CN104308010A - Generating method and system for stamping die brake bead and modification type brake bead - Google Patents

Generating method and system for stamping die brake bead and modification type brake bead Download PDF

Info

Publication number
CN104308010A
CN104308010A CN201410403497.1A CN201410403497A CN104308010A CN 104308010 A CN104308010 A CN 104308010A CN 201410403497 A CN201410403497 A CN 201410403497A CN 104308010 A CN104308010 A CN 104308010A
Authority
CN
China
Prior art keywords
convex tendon
segmentation
shaped face
radius
bead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410403497.1A
Other languages
Chinese (zh)
Other versions
CN104308010B (en
Inventor
刘罡
赵梦龙
肖琨
张国威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC Volkswagen Automotive Co Ltd
Original Assignee
Shanghai Volkswagen Automotive Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Volkswagen Automotive Co Ltd filed Critical Shanghai Volkswagen Automotive Co Ltd
Priority to CN201410403497.1A priority Critical patent/CN104308010B/en
Publication of CN104308010A publication Critical patent/CN104308010A/en
Application granted granted Critical
Publication of CN104308010B publication Critical patent/CN104308010B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/20Making tools by operations not covered by a single other subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Abstract

The invention provides a generating method and system for a stamping die brake bead and a modification type brake bead. The generating method of the stamping die brake bead comprises the following steps: defining a center line of the brake bead, pressing direction, binder surface, height of the brake bead and die stripping corner radius, selecting from a plurality of preset brake bead types, translating the binder surface in the pressing direction to obtain a concave brake bead bottom surface, translating the concave brake bead bottom surface in the reverse direction of the pressing direction to obtain a convex brake bead top surface, stretching the center line of the brake bead, respectively shifting the stretched sheet to outside and inside to obtain two side wall surfaces, conducting circular bead operation to the two side wall surfaces, the convex brake bead top surface and the binder surface to obtain the convex brake bead molded surface, conducting the circular bead operation to the two side wall surfaces, the concave brake bead bottom surface and the binder surface to obtain the concave brake bead molded surface. The generating method disclosed by the invention can automatically finish modeling of the brake bead according to the related parameters inputted by a user, and is favorable to shorten the design cycle and lower the cost.

Description

The generation method and system of diel bead, variant type bead
Technical field
The present invention relates to the bead design of diel, particularly relate to the generation method and system of a kind of diel bead, variant type bead.
Background technology
In the drawing operation of stamping parts, in order to better control material flowing and web-formation, need to arrange bead in the diel used in drawing operation.
Usually, in the design process, the parameters of bead has standardized restriction, has default preset parameter value to the width of bead and bottom roundings.In prior art, the modeling of bead completes mainly through artificial modeling, such as, manually complete under Catia platform.But the mode of artificial modeling is consuming time longer, workload is comparatively large, and cause the Design of Dies cycle longer, cost is higher.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of generation method of diel bead, automatically can complete the modeling of bead, be conducive to shortening the design cycle, reduce costs according to the relevant parameter of user's input.
For solving the problems of the technologies described above, the invention provides a kind of generation method of diel bead, comprising:
Definition bead center line, pressing direction, binder surface, bead height and depanning radius of corner, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius;
By described binder surface along described pressing direction translation, translation distance is described bead height, to obtain concave bar bottom surface;
By the opposite direction translation of described concave bar bottom surface along described pressing direction, translation distance is convex/concave rib gap width, to obtain convex tendon end face;
Carry out stretched operation to described bead center line, tensile elongation is 2 times of described bead height, and the lamellar body obtained stretching inwardly carries out offset operation outward respectively, and offset distance is the half of described width, obtains two side wall surfaces;
Described two side wall surfaces and described convex tendon end face and binder surface are carried out fillet operation, to obtain convex tendon profile, and fillet operation is carried out, to obtain concave bar profile in described two side wall surfaces and described concave bar bottom surface and binder surface.
According to one embodiment of present invention, the described bead type side of being selected as muscle, the generative process of described convex tendon profile comprises:
Described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, and radius of corner is the root fillet radius of described side's muscle, to obtain convex tendon U-shaped face;
Described two side wall surfaces and described binder surface are carried out fillet operation, and radius of corner is the root fillet radius of described side's muscle, to obtain described convex tendon profile;
The generative process of described concave bar profile comprises:
Described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, and radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face;
Described two side wall surfaces are carried out fillet operation with described binder surface respectively, and radius of corner is described depanning radius of corner, to obtain described concave bar profile.
According to one embodiment of present invention, described bead type is selected as circle muscle, and the generative process of described convex tendon profile comprises:
Described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, and radius of corner is the half of described width, to obtain convex tendon U-shaped face;
Described two side wall surfaces and described binder surface are carried out fillet operation, and radius of corner is the root fillet radius of described round muscle, to obtain described convex tendon profile;
The generative process of described concave bar profile comprises:
Described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, and radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face;
Described two side wall surfaces are carried out fillet operation with described binder surface respectively, and radius of corner is described depanning radius of corner, to obtain described concave bar profile.
In order to solve the problem, present invention also offers a kind of generation method of variant type bead, described variant type bead comprises multiple segmentation, has changeover portion between adjacent sectional, and described method comprises:
For each segmentation, define bead center line, pressing direction, binder surface, bead height and depanning radius of corner respectively, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius, for each changeover portion, define changeover portion center line respectively;
According to the bead center line of the first segmentation and the second segmentation, said method is adopted to form the convex tendon U-shaped face of the first segmentation and the second segmentation;
According to the changeover portion center line between the first segmentation and the second segmentation, obtain changeover portion convex tendon U-shaped face;
Repeat aforesaid operations, until obtain convex tendon U-shaped face and the changeover portion convex tendon U-shaped face of whole segmentation;
Bonding operation is carried out to the convex tendon U-shaped face of whole segmentation and changeover portion convex tendon U-shaped face, obtains convex tendon U-shaped face summation;
According to the bead center line of the first segmentation and the second segmentation, said method is adopted to form the concave bar U-shaped face of the first segmentation and the second segmentation;
According to the changeover portion center line between the first segmentation and the second segmentation, obtain changeover portion concave bar U-shaped face;
Repeat aforesaid operations, until obtain concave bar U-shaped face and the changeover portion concave bar U-shaped face of whole segmentation;
Bonding operation is carried out to the concave bar U-shaped face of whole segmentation and changeover portion concave bar U-shaped face, obtains concave bar U-shaped face summation;
Described convex tendon U-shaped face summation and described binder surface are carried out fillet operation, radius of corner is root fillet radius, to obtain convex tendon profile, and described concave bar U-shaped face summation and described binder surface is carried out fillet operation, radius of corner is described depanning radius of corner, to obtain concave bar profile.
According to one embodiment of present invention, the generation method in described changeover portion convex tendon U-shaped face comprises:
Two end points of the changeover portion center line between described first segmentation and the second segmentation set up normal plane, described normal plane is crossing with the convex tendon U-shaped face of the first segmentation obtains the first segmentation convex tendon section line, and described normal plane is crossing with the convex tendon U-shaped face of described second segmentation obtains the second segmentation convex tendon section line;
Stretched operation is carried out to the changeover portion center line between described first segmentation and the second segmentation, and inside and outside skew is carried out to stretching gained profile, offset distance is the half of described width, to obtain two convex tendon side wall surfaces, described two convex tendon side wall surfaces are crossing with described binder surface obtains two changeover portion convex tendon boundary lines;
Perform the operation of multi-section curved surface, wherein the first profile is described first segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of described first segmentation, second profile is described second segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of described second segmentation, guiding curve is described two changeover portion convex tendon boundary lines, to obtain described changeover portion convex tendon U-shaped face.
In order to solve the problem, present invention also offers a kind of generation system of diel bead, comprising:
Input module, receive the input of user, for defining bead center line, pressing direction, binder surface, bead height and depanning radius of corner, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius;
Concave bar bottom surface generation module, by described binder surface along described pressing direction translation, translation distance is described bead height, to obtain concave bar bottom surface;
Convex tendon end face generation module, by the opposite direction translation of described concave bar bottom surface along described pressing direction, translation distance is convex/concave rib gap width, to obtain convex tendon end face;
Side wall surface generation module, carry out stretched operation to described bead center line, tensile elongation is 2 times of described bead height, and the lamellar body obtained stretching inwardly carries out offset operation outward respectively, offset distance is the half of described width, obtains two side wall surfaces;
Fillet operational module, carries out fillet operation by described two side wall surfaces and described convex tendon end face and binder surface, to obtain convex tendon profile, and fillet operation is carried out, to obtain concave bar profile in described two side wall surfaces and described concave bar bottom surface and binder surface.
According to one embodiment of present invention, the described bead type side of being selected as muscle, described fillet operational module comprises:
Convex tendon fillet submodule, described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, radius of corner is the root fillet radius of described side's muscle, to obtain convex tendon U-shaped face, described two side wall surfaces and described binder surface are carried out fillet operation, radius of corner is the root fillet radius of described side's muscle, to obtain described convex tendon profile;
Concave bar fillet submodule, described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face, described two side wall surfaces are carried out fillet operation with described binder surface respectively, radius of corner is described depanning radius of corner, to obtain described concave bar profile.
According to one embodiment of present invention, described bead type is selected as circle muscle, and described fillet operational module comprises:
Convex tendon fillet submodule, described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, radius of corner is the half of described width, to obtain convex tendon U-shaped face, described two side wall surfaces and described binder surface are carried out fillet operation, radius of corner is the root fillet radius of described round muscle, to obtain described convex tendon profile;
Concave bar fillet submodule, described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face, described two side wall surfaces are carried out fillet operation with described binder surface respectively, radius of corner is described depanning radius of corner, to obtain described concave bar profile.
In order to solve the problem, present invention also offers a kind of generation system of variant type bead, described variant type bead comprises multiple segmentation, has changeover portion between adjacent sectional, and described system comprises:
Input module, receive the input of user, for each segmentation, define bead center line, pressing direction, binder surface, bead height and depanning radius of corner respectively, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius, for each changeover portion, defines changeover portion center line respectively;
Above-mentioned convex tendon fillet submodule, for forming the convex tendon U-shaped face of the first segmentation and the second segmentation according to the bead center line of the first segmentation and the second segmentation;
Changeover portion convex tendon U-shaped face generation module, according to the changeover portion center line between the first segmentation and the second segmentation, obtains changeover portion convex tendon U-shaped face;
First control module, controls convex tendon U-shaped face and changeover portion convex tendon U-shaped face that described convex tendon fillet submodule and changeover portion convex tendon U-shaped look unfamiliar into the whole segmentation of CMOS macro cell;
First splice module, carries out bonding operation to the convex tendon U-shaped face of whole segmentation and changeover portion convex tendon U-shaped face, obtains convex tendon U-shaped face summation;
Above-mentioned concave bar fillet submodule, forms the concave bar U-shaped face of the first segmentation and the second segmentation according to the bead center line of the first segmentation and the second segmentation;
Changeover portion concave bar U-shaped face generation module, according to the changeover portion center line between the first segmentation and the second segmentation, obtains changeover portion concave bar U-shaped face;
Second control module, controls convex tendon U-shaped face and changeover portion convex tendon U-shaped face that described concave bar fillet submodule and changeover portion concave bar U-shaped look unfamiliar into the whole segmentation of CMOS macro cell;
Second splice module, carries out bonding operation to the concave bar U-shaped face of whole segmentation and changeover portion concave bar U-shaped face, obtains concave bar U-shaped face summation;
Summation fillet operational module, described convex tendon U-shaped face summation and described binder surface are carried out fillet operation, radius of corner is root fillet radius, to obtain convex tendon profile, and described concave bar U-shaped face summation and described binder surface are carried out fillet operation, radius of corner is described depanning radius of corner, to obtain concave bar profile.
According to one embodiment of present invention, described changeover portion convex tendon U-shaped face generation module comprises:
Convex tendon section line generates submodule, two end points of the changeover portion center line between described first segmentation and the second segmentation set up normal plane, described normal plane is crossing with the convex tendon U-shaped face of the first segmentation obtains the first segmentation convex tendon section line, and described normal plane is crossing with the convex tendon U-shaped face of described second segmentation obtains the second segmentation convex tendon section line;
Changeover portion convex tendon boundary line generates submodule, stretched operation is carried out to the changeover portion center line between described first segmentation and the second segmentation, and inside and outside skew is carried out to stretching gained profile, offset distance is the half of described width, to obtain two convex tendon side wall surfaces, described two convex tendon side wall surfaces are crossing with described binder surface obtains two changeover portion convex tendon boundary lines;
Multi-section curved surface operational module, perform the operation of multi-section curved surface, wherein the first profile is described first segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of described first segmentation, second profile is described second segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of described second segmentation, and guiding curve is described two changeover portion convex tendon boundary lines, to obtain described changeover portion convex tendon U-shaped face.
Compared with prior art, the present invention has the following advantages:
The generation method of the diel bead of the embodiment of the present invention only need define relevant parameter, just can automatically generate bead profile, substantially reduce design and the update cycle of bead, the time of about 4/5 can be shortened than the method for prior art, be conducive to reducing the duplication of labour, reduce bead design error, also help the standardization level improving bead design, effectively shorten diel and relate to the cycle, reduce Mould design and manufacturing cost.
Furthermore, the generation method of the variant type bead of the embodiment of the present invention can according to the relevant parameter of definition, automatically the changeover portion between the bead of each segmentation and adjacent sectional is generated, make the automatic generative process of bead more flexible, the requirement of various somewhat complex design can be met.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the generation method of diel bead according to the embodiment of the present invention;
Fig. 2 to Fig. 3 is the schematic flow sheet of the generation method of variant type bead according to the embodiment of the present invention;
Fig. 4 is the structural representation in the bead U-shaped face obtained according to the generation method of the diel bead of the embodiment of the present invention;
Fig. 5 is the partial structurtes schematic diagram of the bead obtained according to the generation method of the diel bead of the embodiment of the present invention;
Fig. 6 is the overall structure schematic diagram of the bead obtained according to the generation method of the diel bead of the embodiment of the present invention;
Fig. 7 is the structural representation of two segmentations of the bead obtained according to the generation method of the variant type bead of the embodiment of the present invention;
Fig. 8 is the structural representation of two segmentations and the changeover portion therebetween obtained according to the generation method of the variant type bead of the embodiment of the present invention;
Fig. 9 is the structured flowchart of the generation system of diel bead according to the embodiment of the present invention;
Figure 10 is the structured flowchart of the generation system of variant type bead according to the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the invention will be further described, but should not limit the scope of the invention with this.
With reference to figure 1, the generation method of the diel bead of the present embodiment can comprise the steps:
Step S11, definition bead center line, pressing direction, binder surface, bead height and depanning radius of corner, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius;
Step S12, by described binder surface along described pressing direction translation, translation distance is described bead height, to obtain concave bar bottom surface;
Step S13, by the opposite direction translation of described concave bar bottom surface along described pressing direction, translation distance is convex/concave rib gap width, to obtain convex tendon end face;
Step S14, carries out stretched operation to described bead center line, and tensile elongation is 2 times of described bead height, and the lamellar body obtained stretching inwardly carries out offset operation outward respectively, and offset distance is the half of described width, obtains two side wall surfaces;
Step S15, carries out fillet operation by described two side wall surfaces and described convex tendon end face and binder surface, to obtain convex tendon profile, and fillet operation is carried out, to obtain concave bar profile in described two side wall surfaces and described concave bar bottom surface and binder surface.
Furthermore, bead comprises the convex tendon and concave bar that cooperatively interact.Bead in diel can be divided into closed profile and open profile according to shape profile; Can be divided into round muscle and square muscle according to cross sectional shape, in addition, what cross sectional shape comprised various shape can be called variant type bead.For the bead of each type, its width, the parameters such as convex/concave rib gap width and root fillet radius all have default standard value, be stored in the present embodiment in standard part database, user can pass through the type that graphic user interface (GUI) selects bead, and automatically generate in the process of bead, by the relevant parameter that the type Automatically invoked calling bead prestores.
Be described in detail for square muscle below.
First, user selects the type side of the being muscle of bead, and the parameters such as definition bead center line, pressing direction, binder surface, bead height and depanning radius of corner, the definition of these parameters such as can have been come by graphic user interface.
Afterwards, by binder surface along pressing direction translation, translation distance is the bead height of previous definition, and the profile that translation obtains is concave bar bottom surface; Translation is carried out again along the opposite direction of pressing direction in this concave bar bottom surface, and translation distance is the convex/concave rib gap width of previous definition, and the profile obtained is convex tendon end face.
Afterwards, stretched operation can be carried out to bead center line according to pressing direction, tensile elongation is 2 times of bead height, the lamellar body obtained stretching again is inwardly outer carries out offset operation respectively, offset distance is the half of bead width (width of the square muscle namely prestored), obtain inside and outside two profiles, be the side wall surface of convex tendon and concave bar.
Fillet operation is carried out to obtained multiple profiles, first two side wall surfaces are carried out fillet operation with convex tendon end face respectively, radius of corner is the root fillet radius prestored in standard part database, and the profile obtained after twice fillet operation is convex tendon U-shaped face, and this convex tendon U-shaped face as shown in Figure 4; Again two side wall surfaces and binder surface are carried out fillet operation, radius of corner is also root fillet radius, and the profile obtained is convex tendon profile.
When carrying out concave bar and generating, two side wall surfaces and concave bar bottom surface are carried out fillet operation, and radius of corner is the root fillet radius of previous definition, obtains concave bar U-shaped face, and this concave bar U-shaped face as shown in Figure 4; Again two side wall surfaces and binder surface are carried out fillet operation, radius of corner is the depanning radius of corner of previous definition, completes the generation of concave bar profile.The moulding surface structure of the bead generated as shown in Figure 5 and Figure 6.
Generative process and the square muscle of circle muscle are similar, and the main distinction is that two side wall surfaces and convex tendon end face carry out fillet when operating, and radius of corner is the half pre-defining the width justifying muscle, and the generative process of other steps and square muscle is similar, repeats no more here.
Fig. 2 to Fig. 3 shows the generation method of the variant type bead of the present embodiment, comprises the steps:
Step S21, for each segmentation, define bead center line, pressing direction, binder surface, bead height and depanning radius of corner respectively, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius, for each changeover portion, define changeover portion center line respectively;
Step S22, according to the bead center line of the first segmentation and the second segmentation, forms the convex tendon U-shaped face of the first segmentation and the second segmentation;
Step S23, according to the changeover portion center line between the first segmentation and the second segmentation, obtains changeover portion convex tendon U-shaped face;
Step S24, repeats aforesaid operations, until obtain convex tendon U-shaped face and the changeover portion convex tendon U-shaped face of whole segmentation;
Step S25, carries out bonding operation to the convex tendon U-shaped face of whole segmentation and changeover portion convex tendon U-shaped face, obtains convex tendon U-shaped face summation;
Step S26, according to the bead center line of the first segmentation and the second segmentation, forms the concave bar U-shaped face of the first segmentation and the second segmentation;
Step S27, according to the changeover portion center line between the first segmentation and the second segmentation, obtains changeover portion concave bar U-shaped face;
Step S28, repeats aforesaid operations, until obtain concave bar U-shaped face and the changeover portion concave bar U-shaped face of whole segmentation;
Step S29, carries out bonding operation to the concave bar U-shaped face of whole segmentation and changeover portion concave bar U-shaped face, obtains concave bar U-shaped face summation;
Step S30, carries out fillet operation by described convex tendon U-shaped face summation and described binder surface, and radius of corner is root fillet radius, to obtain convex tendon profile, and described concave bar U-shaped face summation and described binder surface are carried out fillet operation, radius of corner is described depanning radius of corner, to obtain concave bar profile.
Be described in detail below.
First, for each segmentation, define the parameters such as bead center line, pressing direction, binder surface, bead height and depanning radius of corner respectively, and select the bead type of each segmentation, for each changeover portion between adjacent sectional, define changeover portion center line respectively, afterwards, according to the order of each segmentation, first according to the bead center line of the first segmentation, and the parameter such as the bead height of correspondence, the convex tendon U-shaped face of the first segmentation is generated according to previously described generating mode, then adopt same operation to generate the convex tendon U-shaped face of the second segmentation, the convex tendon U-shaped face of the first segmentation and the second segmentation as shown in Figure 7, utilize the transition wire center line previously between defined first segmentation and the second segmentation, catch two end points of this transition wire center line, normal plane is set up respectively at two end points, obtain the first segmentation convex tendon section line by crossing with the convex tendon U-shaped face of the first segmentation for normal plane, adopt same operation to obtain the second segmentation convex tendon section line, afterwards, carry out stretched operation to the changeover portion center line of the changeover portion between the first segmentation and the second segmentation, and carry out inside and outside skew to the profile of gained, offset distance is the half of the width of the bead of earlier set, thus obtains two convex tendon side wall surfaces, two side wall surfaces of skew gained are crossing with binder surface obtains two line segments, and namely these two line segments are changeover portion convex tendon boundary lines, perform the operation of multi-section curved surface, wherein the first profile is the first segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of the first segmentation, second profile is the second segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of the second segmentation, guiding curve is two the changeover portion convex tendon boundary lines previously obtained, thus obtain changeover portion convex tendon U-shaped face, wherein " operation of multi-section curved surface " refer to according to multiple cross sections of providing, obtain the operation of the curved surface through these cross sections, existing algorithm or other suitable algorithms such as can be adopted in Catia to perform this operation.
Repeat aforesaid operations, until obtain convex tendon U-shaped face and the changeover portion convex tendon U-shaped face of all segmentations; Bonding operation is carried out to the convex tendon U-shaped face of all segmentations and changeover portion convex tendon U-shaped face, obtains convex tendon U-shaped face summation.Fig. 8 shows convex tendon U-shaped face and the changeover portion convex tendon U-shaped face therebetween of 2 segmentations.
Afterwards, similar operation can be adopted to generate concave bar U-shaped face and the changeover portion concave bar U-shaped face of each segmentation, joint is carried out to it and can obtain concave bar U-shaped face summation.
Convex tendon U-shaped face summation and binder surface are carried out fillet operation, and radius of corner is the root fillet radius of earlier set, thus obtains convex tendon profile; Equally concave bar U-shaped face summation and binder surface are carried out fillet operation, radius of corner is depanning radius of corner, thus obtains concave bar profile.
Said method is adopted to generate bead, it is no matter the bead in single cross section, or variant type bead, greatly can shorten design and the update cycle of bead, the working time of about 4/5 can be shortened than usual method, decrease the duplication of labour, decrease bead design error, improve the standardization level of bead design, effectively shorten the Design of Dies cycle, reduce Mould design and manufacturing cost.
With reference to figure 9, Fig. 9 shows the structured flowchart of the generation system of the diel bead of the present embodiment, and this generation system comprises: input module 71, concave bar bottom surface generation module 72, convex tendon end face generation module 73, side wall surface generation module 74, fillet operational module 75 and standard part database 76.
Wherein, input module 71 receives the input of user, for defining bead center line, pressing direction, binder surface, bead height and depanning radius of corner, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius, and default multiple bead type and the information comprised thereof can be pre-stored in standard part database 76; Concave bar bottom surface generation module 72 is by described binder surface along described pressing direction translation, and translation distance is described bead height, to obtain concave bar bottom surface; Convex tendon end face generation module 73 is by the opposite direction translation of described concave bar bottom surface along described pressing direction, and translation distance is convex/concave rib gap width, to obtain convex tendon end face; Side wall surface generation module 74 carries out stretched operation to described bead center line, tensile elongation is 2 times of described bead height, and the lamellar body obtained stretching inwardly carries out offset operation outward respectively, offset distance is the half of described width, obtains two side wall surfaces; Described two side wall surfaces and described convex tendon end face and binder surface are carried out fillet operation by fillet operational module 75, to obtain convex tendon profile, and fillet operation are carried out, to obtain concave bar profile in described two side wall surfaces and described concave bar bottom surface and binder surface.
Wherein, when the bead side of being selected as muscle, this fillet operational module 75 can comprise: convex tendon fillet submodule, described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, radius of corner is the root fillet radius of described side's muscle, to obtain convex tendon U-shaped face, described two side wall surfaces and described binder surface is carried out fillet operation, radius of corner is the root fillet radius of described side's muscle, to obtain described convex tendon profile; Concave bar fillet submodule, described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face, described two side wall surfaces are carried out fillet operation with described binder surface respectively, radius of corner is described depanning radius of corner, to obtain described concave bar profile.
When bead is selected as circle muscle, fillet operational module 75 can comprise: convex tendon fillet submodule, described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, radius of corner is the half of described width, to obtain convex tendon U-shaped face, described two side wall surfaces and described binder surface are carried out fillet operation, and radius of corner is the root fillet radius of described round muscle, to obtain described convex tendon profile; Concave bar fillet submodule, described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face, described two side wall surfaces are carried out fillet operation with described binder surface respectively, radius of corner is described depanning radius of corner, to obtain described concave bar profile.
About the details of this generation system, refer to the associated description about the generation method of diel bead in previous embodiment, repeat no more here.
Figure 10 shows the structured flowchart of the generation system of the variant type bead of the present embodiment, and this generation system can comprise: input module 81, convex tendon fillet submodule 82, changeover portion convex tendon U-shaped face generation module 83, first control module 84, first splice module 85, concave bar fillet submodule 86, changeover portion concave bar U-shaped face generation module 87, second control module 88, second splice module 89, summation fillet operational module 90 and standard part database 91.
Wherein, input module 81 receives the input of user, for each segmentation, define bead center line, pressing direction, binder surface, bead height and depanning radius of corner respectively, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius, for each changeover portion, define changeover portion center line respectively, wherein, the bead type preset and the information comprised thereof can be pre-stored in standard part database 91; Convex tendon fillet submodule 82 is for forming the convex tendon U-shaped face of the first segmentation and the second segmentation according to the bead center line of the first segmentation and the second segmentation; Changeover portion convex tendon U-shaped face generation module 83, according to the changeover portion center line between the first segmentation and the second segmentation, obtains changeover portion convex tendon U-shaped face; First control module 84 controls convex tendon U-shaped face and the changeover portion convex tendon U-shaped face that described convex tendon fillet submodule 82 and changeover portion convex tendon U-shaped face generation module 83 generate whole segmentation; First splice module 85 carries out bonding operation to the convex tendon U-shaped face of whole segmentation and changeover portion convex tendon U-shaped face, obtains convex tendon U-shaped face summation; Concave bar fillet submodule 86 forms the concave bar U-shaped face of the first segmentation and the second segmentation according to the bead center line of the first segmentation and the second segmentation; Changeover portion concave bar U-shaped face generation module 87, according to the changeover portion center line between the first segmentation and the second segmentation, obtains changeover portion concave bar U-shaped face; Second control module 88 controls convex tendon U-shaped face and the changeover portion convex tendon U-shaped face that described concave bar fillet submodule 86 and changeover portion concave bar U-shaped face generation module 87 generate whole segmentation; Second splice module 89 carries out bonding operation to the concave bar U-shaped face of whole segmentation and changeover portion concave bar U-shaped face, obtains concave bar U-shaped face summation; Described convex tendon U-shaped face summation and described binder surface are carried out fillet operation by summation fillet operational module 90, radius of corner is root fillet radius, to obtain convex tendon profile, and described concave bar U-shaped face summation and described binder surface are carried out fillet operation, radius of corner is described depanning radius of corner, to obtain concave bar profile.
About the more information of the generation system of this variant type bead, refer to the associated description about the generation method of variant type bead in previous embodiment, repeat no more here.
As a nonrestrictive example, the generation system of the generation system of the diel bead shown in Fig. 9 and the variant type bead shown in Figure 10 can adopt the mode of software program to realize, such as, can be realized by secondary development on the basis of professional software Catia.Furthermore, this generation system can realize the interactive selection with geometric element in Catia, by this mode, allows user in Catia, freely select required master control element, and exports the result of generation to Catia.In addition, when performing the operations such as translation, stretching, skew, fillet, the application interface that Catia provides can also be utilized.
Certainly, the generation system shown in Fig. 9 and Figure 10 is not limited to the secondary development in Catia, such as, independently software program also can be utilized to realize, or also can adopt hardware to realize.
Those skilled in the art will understand further, and the various illustrative logic plates, module, circuit and the algorithm steps that describe in conjunction with embodiment disclosed herein can be embodied as electronic hardware, computer software or the combination of both.For clearly explaining orally this interchangeability of hardware and software, various illustrative components, frame, module, circuit and step are done vague generalization above with its functional form and are described.This type of is functional is implemented as hardware or software depends on embody rule and puts on the design constraint of total system.Technical staff can realize described functional by different modes for often kind of application-specific, but such realize decision-making and should not be interpreted to and cause having departed from scope of the present invention.
The various illustrative logic plates, module and the circuit that describe in conjunction with embodiment disclosed herein can realize with general processor, digital signal processor (DSP), special IC (ASIC), field programmable gate array (FPGA) or other PLD, discrete door or transistor logic, discrete nextport hardware component NextPort or its any combination being designed to perform function described herein or perform.General processor can be microprocessor, but in alternative, and this processor can be the processor of any routine, controller, microcontroller or state machine.Processor can also be implemented as the combination of computing equipment, the combination of such as DSP and microprocessor, multi-microprocessor, with one or more microprocessor of DSP central cooperation or any other this type of configure.
The method described in conjunction with embodiment disclosed herein or the step of algorithm can be embodied directly in hardware, in the software module performed by processor or in the combination of both and embody.Software module can reside in the storage medium of RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, removable dish, CD-ROM or any other form known in the art.Exemplary storage medium is coupled to processor and can reads and written information from/to this storage medium to make this processor.In alternative, storage medium can be integrated into processor.Processor and storage medium can reside in ASIC.ASIC can be in the user terminal resident.In alternative, it is in the user terminal resident that processor and storage medium can be used as discrete assembly.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.

Claims (10)

1. a generation method for diel bead, is characterized in that, comprising:
Definition bead center line, pressing direction, binder surface, bead height and depanning radius of corner, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius;
By described binder surface along described pressing direction translation, translation distance is described bead height, to obtain concave bar bottom surface;
By the opposite direction translation of described concave bar bottom surface along described pressing direction, translation distance is convex/concave rib gap width, to obtain convex tendon end face;
Carry out stretched operation to described bead center line, tensile elongation is 2 times of described bead height, and the lamellar body obtained stretching inwardly carries out offset operation outward respectively, and offset distance is the half of described width, obtains two side wall surfaces;
Described two side wall surfaces and described convex tendon end face and binder surface are carried out fillet operation, to obtain convex tendon profile, and fillet operation is carried out, to obtain concave bar profile in described two side wall surfaces and described concave bar bottom surface and binder surface.
2. generation method according to claim 1, is characterized in that, the described bead type side of being selected as muscle, and the generative process of described convex tendon profile comprises:
Described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, and radius of corner is the root fillet radius of described side's muscle, to obtain convex tendon U-shaped face;
Described two side wall surfaces and described binder surface are carried out fillet operation, and radius of corner is the root fillet radius of described side's muscle, to obtain described convex tendon profile;
The generative process of described concave bar profile comprises:
Described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, and radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face;
Described two side wall surfaces are carried out fillet operation with described binder surface respectively, and radius of corner is described depanning radius of corner, to obtain described concave bar profile.
3. generation method according to claim 1, is characterized in that, described bead type is selected as circle muscle, and the generative process of described convex tendon profile comprises:
Described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, and radius of corner is the half of described width, to obtain convex tendon U-shaped face;
Described two side wall surfaces and described binder surface are carried out fillet operation, and radius of corner is the root fillet radius of described round muscle, to obtain described convex tendon profile;
The generative process of described concave bar profile comprises:
Described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, and radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face;
Described two side wall surfaces are carried out fillet operation with described binder surface respectively, and radius of corner is described depanning radius of corner, to obtain described concave bar profile.
4. a generation method for variant type bead, described variant type bead comprises multiple segmentation, has changeover portion, it is characterized in that between adjacent sectional, and described method comprises:
For each segmentation, define bead center line, pressing direction, binder surface, bead height and depanning radius of corner respectively, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius, for each changeover portion, define changeover portion center line respectively;
According to the bead center line of the first segmentation and the second segmentation, the method described in Claims 2 or 3 is adopted to form the convex tendon U-shaped face of the first segmentation and the second segmentation;
According to the changeover portion center line between the first segmentation and the second segmentation, obtain changeover portion convex tendon U-shaped face;
Repeat aforesaid operations, until obtain convex tendon U-shaped face and the changeover portion convex tendon U-shaped face of whole segmentation;
Bonding operation is carried out to the convex tendon U-shaped face of whole segmentation and changeover portion convex tendon U-shaped face, obtains convex tendon U-shaped face summation;
According to the bead center line of the first segmentation and the second segmentation, the method described in Claims 2 or 3 is adopted to form the concave bar U-shaped face of the first segmentation and the second segmentation;
According to the changeover portion center line between the first segmentation and the second segmentation, obtain changeover portion concave bar U-shaped face;
Repeat aforesaid operations, until obtain concave bar U-shaped face and the changeover portion concave bar U-shaped face of whole segmentation;
Bonding operation is carried out to the concave bar U-shaped face of whole segmentation and changeover portion concave bar U-shaped face, obtains concave bar U-shaped face summation;
Described convex tendon U-shaped face summation and described binder surface are carried out fillet operation, radius of corner is root fillet radius, to obtain convex tendon profile, and described concave bar U-shaped face summation and described binder surface is carried out fillet operation, radius of corner is described depanning radius of corner, to obtain concave bar profile.
5. generation method according to claim 4, is characterized in that, the generation method in described changeover portion convex tendon U-shaped face comprises:
Two end points of the changeover portion center line between described first segmentation and the second segmentation set up normal plane, described normal plane is crossing with the convex tendon U-shaped face of the first segmentation obtains the first segmentation convex tendon section line, and described normal plane is crossing with the convex tendon U-shaped face of described second segmentation obtains the second segmentation convex tendon section line;
Stretched operation is carried out to the changeover portion center line between described first segmentation and the second segmentation, and inside and outside skew is carried out to stretching gained profile, offset distance is the half of described width, to obtain two convex tendon side wall surfaces, described two convex tendon side wall surfaces are crossing with described binder surface obtains two changeover portion convex tendon boundary lines;
Perform the operation of multi-section curved surface, wherein the first profile is described first segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of described first segmentation, second profile is described second segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of described second segmentation, guiding curve is described two changeover portion convex tendon boundary lines, to obtain described changeover portion convex tendon U-shaped face.
6. a generation system for diel bead, is characterized in that, comprising:
Input module, receive the input of user, for defining bead center line, pressing direction, binder surface, bead height and depanning radius of corner, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius;
Concave bar bottom surface generation module, by described binder surface along described pressing direction translation, translation distance is described bead height, to obtain concave bar bottom surface;
Convex tendon end face generation module, by the opposite direction translation of described concave bar bottom surface along described pressing direction, translation distance is convex/concave rib gap width, to obtain convex tendon end face;
Side wall surface generation module, carry out stretched operation to described bead center line, tensile elongation is 2 times of described bead height, and the lamellar body obtained stretching inwardly carries out offset operation outward respectively, offset distance is the half of described width, obtains two side wall surfaces;
Fillet operational module, carries out fillet operation by described two side wall surfaces and described convex tendon end face and binder surface, to obtain convex tendon profile, and fillet operation is carried out, to obtain concave bar profile in described two side wall surfaces and described concave bar bottom surface and binder surface.
7. system according to claim 6, is characterized in that, the described bead type side of being selected as muscle, and described fillet operational module comprises:
Convex tendon fillet submodule, described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, radius of corner is the root fillet radius of described side's muscle, to obtain convex tendon U-shaped face, described two side wall surfaces and described binder surface are carried out fillet operation, radius of corner is the root fillet radius of described side's muscle, to obtain described convex tendon profile;
Concave bar fillet submodule, described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face, described two side wall surfaces are carried out fillet operation with described binder surface respectively, radius of corner is described depanning radius of corner, to obtain described concave bar profile.
8. system according to claim 6, is characterized in that, described bead type is selected as circle muscle, and described fillet operational module comprises:
Convex tendon fillet submodule, described two side wall surfaces are carried out fillet operation with described convex tendon end face respectively, radius of corner is the half of described width, to obtain convex tendon U-shaped face, described two side wall surfaces and described binder surface are carried out fillet operation, radius of corner is the root fillet radius of described round muscle, to obtain described convex tendon profile;
Concave bar fillet submodule, described two side wall surfaces and described concave bar bottom surface are carried out fillet operation, radius of corner is the root fillet radius of described side's muscle, to obtain concave bar U-shaped face, described two side wall surfaces are carried out fillet operation with described binder surface respectively, radius of corner is described depanning radius of corner, to obtain described concave bar profile.
9. a generation system for variant type bead, described variant type bead comprises multiple segmentation, has changeover portion, it is characterized in that between adjacent sectional, and described system comprises:
Input module, receive the input of user, for each segmentation, define bead center line, pressing direction, binder surface, bead height and depanning radius of corner respectively, and select in the multiple bead type preset, described default multiple bead type comprises following information: width, convex/concave rib gap width and root fillet radius, for each changeover portion, defines changeover portion center line respectively;
Convex tendon fillet submodule described in claim 6 or 7, for forming the convex tendon U-shaped face of the first segmentation and the second segmentation according to the bead center line of the first segmentation and the second segmentation;
Changeover portion convex tendon U-shaped face generation module, according to the changeover portion center line between the first segmentation and the second segmentation, obtains changeover portion convex tendon U-shaped face;
First control module, controls convex tendon U-shaped face and changeover portion convex tendon U-shaped face that described convex tendon fillet submodule and changeover portion convex tendon U-shaped look unfamiliar into the whole segmentation of CMOS macro cell;
First splice module, carries out bonding operation to the convex tendon U-shaped face of whole segmentation and changeover portion convex tendon U-shaped face, obtains convex tendon U-shaped face summation;
Concave bar fillet submodule described in claim 6 or 7, forms the concave bar U-shaped face of the first segmentation and the second segmentation according to the bead center line of the first segmentation and the second segmentation;
Changeover portion concave bar U-shaped face generation module, according to the changeover portion center line between the first segmentation and the second segmentation, obtains changeover portion concave bar U-shaped face;
Second control module, controls convex tendon U-shaped face and changeover portion convex tendon U-shaped face that described concave bar fillet submodule and changeover portion concave bar U-shaped look unfamiliar into the whole segmentation of CMOS macro cell;
Second splice module, carries out bonding operation to the concave bar U-shaped face of whole segmentation and changeover portion concave bar U-shaped face, obtains concave bar U-shaped face summation;
Summation fillet operational module, described convex tendon U-shaped face summation and described binder surface are carried out fillet operation, radius of corner is root fillet radius, to obtain convex tendon profile, and described concave bar U-shaped face summation and described binder surface are carried out fillet operation, radius of corner is described depanning radius of corner, to obtain concave bar profile.
10. system according to claim 9, is characterized in that, described changeover portion convex tendon U-shaped face generation module comprises:
Convex tendon section line generates submodule, two end points of the changeover portion center line between described first segmentation and the second segmentation set up normal plane, described normal plane is crossing with the convex tendon U-shaped face of the first segmentation obtains the first segmentation convex tendon section line, and described normal plane is crossing with the convex tendon U-shaped face of described second segmentation obtains the second segmentation convex tendon section line;
Changeover portion convex tendon boundary line generates submodule, stretched operation is carried out to the changeover portion center line between described first segmentation and the second segmentation, and inside and outside skew is carried out to stretching gained profile, offset distance is the half of described width, to obtain two convex tendon side wall surfaces, described two convex tendon side wall surfaces are crossing with described binder surface obtains two changeover portion convex tendon boundary lines;
Multi-section curved surface operational module, perform the operation of multi-section curved surface, wherein the first profile is described first segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of described first segmentation, second profile is described second segmentation convex tendon section line, tangent plane is the convex tendon U-shaped face of described second segmentation, and guiding curve is described two changeover portion convex tendon boundary lines, to obtain described changeover portion convex tendon U-shaped face.
CN201410403497.1A 2014-08-15 2014-08-15 Generating method and system for stamping die brake bead and modification type brake bead Active CN104308010B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410403497.1A CN104308010B (en) 2014-08-15 2014-08-15 Generating method and system for stamping die brake bead and modification type brake bead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410403497.1A CN104308010B (en) 2014-08-15 2014-08-15 Generating method and system for stamping die brake bead and modification type brake bead

Publications (2)

Publication Number Publication Date
CN104308010A true CN104308010A (en) 2015-01-28
CN104308010B CN104308010B (en) 2017-01-18

Family

ID=52363399

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410403497.1A Active CN104308010B (en) 2014-08-15 2014-08-15 Generating method and system for stamping die brake bead and modification type brake bead

Country Status (1)

Country Link
CN (1) CN104308010B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109506121A (en) * 2018-12-27 2019-03-22 东风汽车集团股份有限公司乘用车公司 Cross drawing structure, stamping products and stamping die
CN110254610A (en) * 2019-06-21 2019-09-20 中船黄埔文冲船舶有限公司 A kind of three-dimensional modeling method of U-shaped Boardside protection structure
CN111729982A (en) * 2020-07-31 2020-10-02 东莞市中泰模具股份有限公司 Punching machine cutting station manufacturing method, storage medium and CNC machine tool
CN111889570A (en) * 2020-07-27 2020-11-06 格致汽车科技股份有限公司 Locking rib in stamping die and application thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109877210B (en) * 2019-03-25 2020-05-05 武汉理工大学 Optimized regulation and control method for high-strength integral side wall stamping process of passenger vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6785640B1 (en) * 2000-08-07 2004-08-31 Daimlerchrysler Corporation Surface evaluation in a stamping manufacturing process utilizing true reflection line methodology and computer graphics technology
CN201702266U (en) * 2010-05-24 2011-01-12 湖南大学 Draw bead structure of drawing die
JP2012166225A (en) * 2011-02-14 2012-09-06 Toyota Central R&D Labs Inc Spring-back analysis method, spring-back analysis device, program, and storage medium
CN102799735A (en) * 2012-07-24 2012-11-28 湖南大学 Springback compensation method based on technological parameter control

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6785640B1 (en) * 2000-08-07 2004-08-31 Daimlerchrysler Corporation Surface evaluation in a stamping manufacturing process utilizing true reflection line methodology and computer graphics technology
CN201702266U (en) * 2010-05-24 2011-01-12 湖南大学 Draw bead structure of drawing die
JP2012166225A (en) * 2011-02-14 2012-09-06 Toyota Central R&D Labs Inc Spring-back analysis method, spring-back analysis device, program, and storage medium
CN102799735A (en) * 2012-07-24 2012-11-28 湖南大学 Springback compensation method based on technological parameter control

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
傅旻等: "汽车覆盖件成形中拉延筋的设计与数值模拟", 《机械设计与制造》 *
尹雁飞等: "汽车覆盖件拉延筋参数化设计", 《冲压》 *
蒋向华等: "基于有限元分析的覆盖件拉延筋设计与优化", 《冲压》 *
陈文亮: "《板料成形CAE分析教程》", 31 March 2005, 机械工业出版社 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109506121A (en) * 2018-12-27 2019-03-22 东风汽车集团股份有限公司乘用车公司 Cross drawing structure, stamping products and stamping die
CN109506121B (en) * 2018-12-27 2024-01-23 东风汽车集团股份有限公司 Over-drawing structure, stamping product and stamping die
CN110254610A (en) * 2019-06-21 2019-09-20 中船黄埔文冲船舶有限公司 A kind of three-dimensional modeling method of U-shaped Boardside protection structure
CN111889570A (en) * 2020-07-27 2020-11-06 格致汽车科技股份有限公司 Locking rib in stamping die and application thereof
CN111729982A (en) * 2020-07-31 2020-10-02 东莞市中泰模具股份有限公司 Punching machine cutting station manufacturing method, storage medium and CNC machine tool
CN111729982B (en) * 2020-07-31 2022-09-30 东莞市中泰模具股份有限公司 Punching machine cutting station manufacturing method, storage medium and CNC (computerized numerical control) machine tool

Also Published As

Publication number Publication date
CN104308010B (en) 2017-01-18

Similar Documents

Publication Publication Date Title
CN104308010A (en) Generating method and system for stamping die brake bead and modification type brake bead
CN105069226B (en) A kind of three-dimensional modeling modeling method based on template
KR101398306B1 (en) Computer-implemented process for creating a parametric surface
US20140065728A1 (en) Method for post decomposition density balancing in integrated circuit layouts, related system and program product
CN104991965A (en) Method and apparatus for creating extended question based on standard question
CN104392013B (en) Modeling Calculation system and method integrated by substation project cable duct based on CAD
CN109344497B (en) Design implementation method of die foundation body
CN107146285A (en) A kind of any free form surface Meshing Method based on surface fitting
CN103914601A (en) Near-net forming die digitalized design system and method based on UG NX software
Petersen et al. Finite element remeshing: a metal forming approach for quadrilateral mesh generation and refinement
CN104148514B (en) The generation method and system of diel edge-trimming cutter block and flange cutter block
CN106446413A (en) Parameterization technological designing method for waveguide
CN108763668A (en) The model of gear region parameter method replaced with boundary based on subdivision technology
CN105005638B (en) A kind of High Level Synthesis dispatching method based on linear delay model
CN107369185B (en) Oil painting stylization method based on image
US9355202B2 (en) Promoting efficient cell usage to boost QoR in automated design
CN115577447B (en) Unmanned aerial vehicle structure optimization method based on double-scale parallel topology optimization
Ceruti et al. Fairing with neighbourhood LOD filtering to upgrade interactively B-Spline into Class-A curve
CN116394451A (en) Method for improving warp deformation of skylight support
CN104298807B (en) The intelligent generation method and system of stamping mold pipe-line system
Petersen et al. Automatic generation of quadrilateral meshes for the finite element analysis of metal forming processes
CN102999557A (en) Multi-angle curved surface feature hierarchy parameterization method
CN107330199A (en) A kind of automobile radiators the Automation Design system and its design method based on CATIA
CN111625977B (en) Tire section generating method
Paramio et al. A procedure for plastic parts demoldability analysis

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: Anting Jiading District Town, Shanghai City Road No. 123 in 201805

Applicant after: SAIC VOLKSWAGEN AUTOMOTIVE COMPANY LIMITED

Address before: Anting Jiading District Town, Shanghai City Road No. 123 in 201805

Applicant before: Dazhang Automobile Co., Ltd., Shanghai

COR Change of bibliographic data
C14 Grant of patent or utility model
GR01 Patent grant