CN109270891A - Workpiece turning processing method and Vehicle Processing control system - Google Patents
Workpiece turning processing method and Vehicle Processing control system Download PDFInfo
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- CN109270891A CN109270891A CN201710587198.1A CN201710587198A CN109270891A CN 109270891 A CN109270891 A CN 109270891A CN 201710587198 A CN201710587198 A CN 201710587198A CN 109270891 A CN109270891 A CN 109270891A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35349—Display part, programmed locus and tool path, traject, dynamic locus
Abstract
The invention discloses a kind of workpiece turning processing method and Vehicle Processing control systems, wherein workpiece turning processing method, which comprises the steps of:, obtains at least two part model；At least two part model is formed into the first new part model according to predeterminated position relationship；According to the described first new part model Vehicle Processing workpiece.Using workpiece turning processing method and Vehicle Processing control system of the invention, the ratio that effective cutting path area accounts for total machining path area can be increased, effectively reduce empty processing, improve Vehicle Processing efficiency.
Description
Technical field
The invention belongs to Vehicle Processing field more particularly to a kind of workpiece turning processing method and Vehicle Processing control systems.
Background technique
The ordinary circumstance of current processing industry, Vehicle Processing is single-piece work, and as shown in Figs. 1-2, workpiece 11 is fixed on turntable
On 12, multiple cutter locations 116 (comprising cutting position and cutting depth) are set on workpiece 11.Controller controls turntable 12 along C
Axis rotation, lathe tool 13 are fed from turntable edge to turntable center point along the x axis, meanwhile, lathe tool 13 is quickly upper and lower along C axis direction
Movement reaches cutting depth when each cutter location to meet.With the rotation of turntable 12 and the feeding of lathe tool 13,13 edge of lathe tool
The quick up and down motion of C axis direction, lathe tool 13 traverse all cutter locations 116, to complete to process.Fig. 2 shows Vehicle Processing
The schematic top plan view of Cheng Zhong, lathe processing equipment and workpiece, workpiece 11 are fixed on rotary shear 12.Lathe tool 13 is in above-mentioned Vehicle Processing
Motion profile in the process is known as " Cutting trajectory " of lathe tool 13, is somebody's turn to do " Cutting trajectory " and unidirectionally connects all cutter locations 116, should
" Cutting trajectory " in the plane (i.e. turntable is to the supporting surface of workpiece namely the bottom surface of workpiece) perpendicular to C axis be projected as by
11 outermost edge of workpiece is intended to the helix of workpiece centre point A (i.e. turntable upper surface central point), and referred to as Cutting trajectory projects
111.Such processing method has following defects that in processing curve, is greatly empty processing, i.e. lathe tool cannot switch to work
Part.As shown in Fig. 2, path 114 is real machining path, the area covered is real machining path area, i.e. lathe tool is effectively cut
Path area is cut, path 113 is processing total path, and the area of covering is processing total path area.Effective cutting path area
Lower with the ratio of processing total path area, i.e., effective stock-removing efficiency is lower.
Summary of the invention
The technical problem to be solved by the present invention is to during the Vehicle Processing of the prior art, the low problem of effective stock-removing efficiency,
It is proposed a kind of workpiece turning processing method and Vehicle Processing control system.
The present invention solves above-mentioned technical problem by the following technical programs: a kind of workpiece turning processing method, the workpiece vehicle
Processing method comprises the steps of:
S1, at least two part model is obtained；
S2, at least two part model is formed into the first new part model according to predeterminated position relationship；
S3, according to the described first new part model Vehicle Processing workpiece.
Preferably, at least two part model any 2 it is non-intersecting folded.
Preferably, at least two part model is uniformly distributed along a circular circumferential direction.
Preferably, also including in S2: being respectively that extension is arranged in each part model, the extension is by each
The edge of the part model is extended to form to the outside of the part model, by the described first new part model and each described
Extension as a whole, forms the second new part model；
S3 includes:
According to the described second new part model Vehicle Processing workpiece.
Preferably, the edge-smoothing of the part model transits to the extension in S2.
Preferably, described is respectively that extension is arranged in each part model, the extension is by each work
The edge of part model is extended to form to the outside of the part model comprising the steps of:
S21, according to the part model be the multiple cutter locations of the workpiece setting；
S22, respectively according to every intersection curve matched curve expression formula, or, respectively according on intersection curve described in every
Multiple cutter location matched curve expression formulas, the intersection curve be the part model the first preset range of edge in song
Face and the intersecting lens for expanding section, the expansion section are by expanding projection ray and perpendicular to the bottom surface of the part model
Plane, the projection ray of expanding is from bottom center's point of the part model and by edge cutter location subpoint
Ray, the edge cutter location subpoint be projection of the multiple cutter location on the bottom surface of the part model；
S23, according to the curve representation formula, the intersection curve is extended to the outer workpiece, formed extension curve
Section, the extension curve section are no more than the second preset range；
S3 includes:
Extension curve section cutter location is set in the extension curve section, and the Cutting trajectory of lathe tool is set, the cutting
Track unidirectionally connects all cutter locations and the extension curve section cutter location, and Cutting trajectory is projected as being intended to the workpiece
The helix of model bottom center point, the Cutting trajectory are projected as throwing of the Cutting trajectory on the part model bottom surface
Shadow.
The present invention also provides a kind of Vehicle Processing control system, the Vehicle Processing control system includes arithmetic element, control list
Member；
The arithmetic element is formed for obtaining part model, and by least two part model according to predeterminated position relationship
First new part model；
Described control unit is for controlling lathe according to the described first new part model Vehicle Processing workpiece.
Preferably, any 2 at least two part model are non-intersecting folded.
Preferably, at least two part model is uniformly distributed along a circular circumferential direction.
Preferably, described form the first new part model according to predeterminated position relationship at least two part model, include:
Respectively each part model is arranged extension, and the extension is from the edge of each part model to the work
The outside of part model extends to form, and as a whole with each extension by the described first new part model, it is new to form second
Part model；
Described control unit is for controlling lathe according to the described second new part model Vehicle Processing workpiece.
Preferably, the edge-smoothing of the part model transits to the extension.
Preferably, described is respectively that extension is arranged in each part model, the extension is by each work
The edge of part model is extended to form to the outside of the part model, includes: being the workpiece setting according to the part model
Multiple cutter locations；Respectively according to every intersection curve matched curve expression formula, or, respectively according on intersection curve described in every
Multiple cutter location matched curve expression formulas, the intersection curve are the curved surface in the first preset range of edge of the part model
With the intersecting lens for expanding section, the expansion section is by expanding projection ray and perpendicular to the bottom surface of the part model
Plane, the projection ray of expanding is from bottom center's point of the part model and by edge cutter location subpoint
Ray, the edge cutter location subpoint are projection of the multiple cutter location on the bottom surface of the part model；According to institute
Curve representation formula is stated, the intersection curve is extended to the outer workpiece, forms extension curve section, the extension curve section is not
More than the second preset range；
Described control unit is used to that extension curve section cutter location to be arranged in the extension curve section, and cutting for lathe tool is arranged
Track is cut, the Cutting trajectory unidirectionally connects all cutter locations and the extension curve section cutter location, Cutting trajectory projection
For the helix for being intended to the part model bottom center point, the Cutting trajectory is projected as the Cutting trajectory in the work
Projection on part model bottom surface.
The positive effect of the present invention is that:
1, increase the ratio that effective cutting path area accounts for total machining path area, effectively reduce empty processing, improve vehicle and add
Work efficiency rate；
2, the processing remanent point for leaving the protrusion that do not process effectively is avoided the occurrence of；
3, multiple workpiece simultaneous processings reduce clamping times, reduce resetting error.
Detailed description of the invention
Fig. 1 is the schematic diagram of lathe machining device (containing workpiece) in the prior art.
Fig. 2 be in the prior art, during machining, the top view of workpiece and rotary shear.
Fig. 3 is the structural schematic diagram of the workpiece Vehicle Processing control system of embodiment 1.
Fig. 4 is the first effect diagram (top view) of the workpiece turning processing method of embodiment 1.
Fig. 5 is the flow chart of the workpiece turning processing method of embodiment 1.
Fig. 6 is the second effect diagram (top view) of the workpiece turning processing method of embodiment 1.
Fig. 7 is the side view of part model shape and extension in embodiment 2.
Fig. 8 is the schematic diagram (top view) of the second workpiece model of embodiment 2.
Fig. 9 in the prior art, during Vehicle Processing, when lathe tool enters the edge of work by outer workpiece, the operation rail of lathe tool
Longitudinal sectional drawing of mark and workpiece, rotary shear.
Figure 10 is the side view of part model shape and extension in embodiment 3.
Figure 11 is the top view of part model shape and extension in embodiment 3.
Figure 12 is the top view of part model shape and extension in embodiment 3.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Embodiment 1
The present embodiment provides a kind of Vehicle Processing control systems, as shown in figure 3, the Vehicle Processing control system includes operation list
First 201, control unit 202.As shown in figure 4, arithmetic element 201 (in the present invention, claims workpiece vehicle for obtaining part model 112
The target shape of processing is " part model "), and at least two part model 112 is new according to predeterminated position relationship composition first
Part model 115.
Specifically, arithmetic element 201, as numerically-controlled machine tool numerical control device, CAD (Computer Aided is installed
Design, CAD) etc. engineering drawings software or figure, image processing software computer, can be used for obtaining workpiece
Model 112, and at least two part model 112 is formed into the first new part model 115 according to predeterminated position relationship.
As a kind of preferred embodiment, any 2 at least two part model 112 are non-intersecting folded.Further
Ground, as shown in figure 4, at least two part model 112 is uniformly distributed along a circular circumferential direction.
Control unit 202 is for controlling lathe according to the first new 115 Vehicle Processing workpiece of part model.Specifically, control is single
Member 202, such as the numerical control device of numerically-controlled machine tool, numerical control device generate multiple cutter locations 116 for the first new part model 115, and
The Cutting trajectory of lathe tool is set, then controls lathe and completes Vehicle Processing.
The present embodiment also provides a kind of workpiece turning processing method, as shown in figure 5, the workpiece turning processing method includes following
Step:
S101, at least two part model is obtained.
S102, at least two part model is formed into the first new part model according to predeterminated position relationship.Preferably,
In at least two part model any 2 it is non-intersecting folded.Further, as shown in Figure 4.At least two part model is along a circle
The circumferential direction of shape is uniformly distributed.
S103, according to the described first new part model Vehicle Processing workpiece.Specifically, as shown in fig. 6, being the first new workpiece mould
Type 115 generates multiple cutter locations 116, and the Cutting trajectory of lathe tool is arranged.The Cutting trajectory unidirectionally connects all cutter locations
116, Cutting trajectory is projected as being intended to the geometric center point A of the first new part model bottom surface (that is, by 6 workpiece according to
When the corresponding position of 6 part models 112 in one new part model 115 is fixed on rotary shear, the center of rotary shear
Point) helix, Cutting trajectory is projected as projection of the Cutting trajectory on part model bottom surface.Then, as shown in fig. 6, by 6
Workpiece is fixed on rotary shear according to the corresponding position of 6 part models 112 in the first new part model 115.Then, it controls
Lathe processed completes Vehicle Processing.
In the present embodiment, multiple workpiece are fixed on rotary shear simultaneously and are processed, as shown in fig. 6, the vehicle adds
The processing total path area of work process is the area for the annular region that the inside and outside contour line of diagram surrounds；Effective cutting path area
For the summation of the floor space of 6 workpiece.This kind of workpiece setting mode and turning processing method, compared to the prior art middle single-piece work
Turning processing method, can make workpiece to be processed effectively occupy according in prior art single-piece turning processing method process total path in
Empty machining area, thus effectively improve effective cutting path area and process total path area ratio, that is, increase effectively
Stock-removing efficiency.
Fig. 6 show a preferred embodiment, in the workpiece turning processing method of the present embodiment, forms the first new part model
Mode, however it is not limited to predeterminated position relationship shown in fig. 6, but flexile predeterminated position relationship can be used.Also, this
It in the workpiece turning processing method of embodiment, is also not limited to while the multiple identical workpiece of Vehicle Processing, that is, form the first new workpiece
At least two part model of model, can for different part model (such as: both include P1The dorsal shield of mobile phone, and include P2Hand
The dorsal shield of machine).Therefore, by geometry operation, by same or different part model, according to regularly or irregularly pre-
If positional relationship, the first new part model is formed, can rationally reach and improve effective cutting path area and processing total path face
Long-pending ratio increases the technical effect of effective stock-removing efficiency.
Meanwhile in prior art single-piece Vehicle Processing, when lathe tool is fed at turntable center point A, since linear velocity is zero, often
Often the processing remanent point for the protrusion that one is not processed can be left at the center of workpiece.And as shown in fig. 6, using the present embodiment
Workpiece turning processing method, workpiece will not cover rotary shear center, therefore it is possible to prevente effectively from the problem of leaving processing remanent point.
In addition, when prior art single-piece work, often process a workpiece will clamping again, the resetting being also easy to produce
Error.And the workpiece turning processing method of the present embodiment is used, each multiple workpiece of clamping reduce the number of clamping at double, because
This greatly reduces the probability that resetting error occurs.
Embodiment 2
The Vehicle Processing control system of the present embodiment and the Vehicle Processing control system of embodiment 1 are essentially identical, and difference is, this
In the Vehicle Processing control system of embodiment, as shown in fig. 7, arithmetic element 201 is for being respectively that each part model 112 is set
Extension 117 is set, extension 117 is to be extended to form from the edge of each part model 118 to the outside of part model 112.So
Afterwards, as shown in figure 8, as a whole with each extension 117 by the first new part model 115, forming the second new part model
119。
Control unit 202 is for controlling lathe according to the second new 119 Vehicle Processing workpiece of part model.
The present embodiment also provides a kind of workpiece turning processing method, the workpiece vehicle of the workpiece turning processing method and embodiment 1
Processing method is essentially identical, and difference is, in the workpiece turning processing method of the present embodiment:
Also include in S102: being respectively each part model setting extension, the extension is by each described
The edge of part model is extended to form to the outside of the part model, by the described first new part model and each extension
Portion as a whole, forms the second new part model.
Include in S103: according to the described second new part model Vehicle Processing workpiece.
Specifically, in S102, as shown in fig. 7, extension 117 is arranged in respectively each part model 112, extend
Portion 117 is to be extended to form from the edge of each part model 118 to the outside of part model 112.Then, as shown in figure 8, by
One new part model 115 as a whole, forms the second new part model 119 with each extension 117.Preferably, part model
The smooth transition of edge 118 to extension 117.In S103, as shown in figure 8, generating multiple knives for the second new part model 119
Site 116, and the Cutting trajectory of lathe tool is set.Then, as shown in figure 8, by 6 workpiece according in the second new part model 119
The corresponding positions of 6 part models 112 be fixed on rotary shear.Then, control lathe completes Vehicle Processing.
In the prior art, lathe tool moves horizontally in void processing stroke (i.e. in the stroke of outer workpiece), does not have
Moving up and down in C axis direction.Therefore, when lathe tool enters the edge of work by outer workpiece, for the knife for cooperating the edge
The cutting level in site, lathe tool usually have the biggish step along C axis direction.Arrow shows lathe tool close in Fig. 9
11 edge of workpiece and the running track (target shape 125 that dotted line is Vehicle Processing at the edge of work) when above-mentioned step occurs.On
Stating step causes lathe tool running track discontinuous.For example, needing lathe tool to meet the time that lathe tool realizes biggish step at this
Minibreak in the X-axis direction, it reduce the efficiency of Vehicle Processing, and influence cutting effect.
And in the present embodiment, because having expanded extension outside part model, during Vehicle Processing, lathe tool is from work
Before reaching workpiece outside part, virtual processing action can be carried out to virtual extension, i.e. lathe tool is pressed in extension region
According to the virtual cutter location and Cutting trajectory of extension setting, movement is generated on C axis (vertical) direction.Due to extension system according to
The shape (e.g., curved surface, curve) at part model edge is expanded to extend and be obtained, and therefore, the edge and extension of part model are flat
It slips over and crosses.So will not generate aforementioned biggish longitudinal step when lathe tool reaches the edge of work by extension, lathe tool runs rail
Mark is smooth, coherent.The application of the Vehicle Processing control system of the present embodiment, improves Vehicle Processing operational efficiency, and guarantees cutting effect
Fruit.
Although after expanding extension outside part model, compared to the workpiece turning processing method of embodiment 1, void processing road
The ratio of diameter is risen, it is understood by one of ordinary skill in the art that by the reasonable setting to predeterminated position relationship, this implementation
The workpiece turning processing method of example compared to the prior art in single-piece workpiece Vehicle Processing method, it is effective still to easily reach raising
The ratio of cutting path area and processing total path area, that is, increase the technical effect of effective stock-removing efficiency.
Embodiment 3
The Vehicle Processing control system of the present embodiment and the Vehicle Processing control system of embodiment 2 are essentially identical, and difference is, such as
Shown in Figure 10, arithmetic element 201 is used to according to part model 112 be the multiple cutter locations 116 of workpiece setting, and respectively according to every
120 matched curve expression formula of intersection curve, intersection curve 120 are the curved surface in 108 first preset range of edge of part model
With the intersecting lens for expanding section, as shown in figure 11, the expansion section is by expanding projection ray 121 and perpendicular to the work
The plane of the bottom surface of part model, the expansion projection ray 121 are the bottom center point A from the part model and pass through
The ray of edge cutter location subpoint 122, the edge cutter location subpoint 122 are the multiple cutter location 116 in the work
Projection on the bottom surface of part model.Arithmetic element 201 is also used to according to the curve representation formula, by intersection curve 120 to described
Outer workpiece extends, and forms extension curve section 123, and the extension curve section 123 is no more than the second preset range.Arithmetic element
201 are also used to that extension curve section cutter location 124 is arranged in extension curve section 123, and the expansion Cutting trajectory of lathe tool, institute is arranged
It states expansion Cutting trajectory and unidirectionally connects all cutter locations 116 and the extension curve section cutter location 124, expand Cutting trajectory
It is projected as being intended to the helix of the part model bottom center point, the expansion Cutting trajectory is projected as the expansion cutting
Projection of the track on the part model bottom surface.
First preset range and the second preset range are set, are in complicated in the accuracy and operation for carrying out extension operation
The considerations of spending the balance between (i.e. efficiency).First preset range can be limited according to size, for example, by the workpiece mould
Range of the adjacent edges of type no more than 5mm is set as the first preset range；First preset range can also be proportionally
It limits, for example, inside/outside diameter size difference and workpiece mould of the part model in projection of the curved surface on part model bottom surface of edge
The range of the ratio of the diameter dimension of type is 0.2%~20%.As shown in figure 12, the curved surface of part model edge is in workpiece mould
The outer diameter R of projection on type bottom surface2With the internal diameter R of the projection of the curved surface of part model edge on part model bottom surface1Difference
Value, as the inside/outside diameter size difference D of projection of the curved surface of part model edge on part model bottom surface1, the internal-and external diameter
Size difference D1With size (the i.e. outer diameter R of projection of the curved surface of part model edge on part model bottom surface of workpiece2) ratio
The range of value is 0.2%~20%.In part model, the shape of the curved surface of surface and edge usually has larger difference,
The reference significance that surface extends outward part model edge is little；In addition, only in accordance with the curved surface of part model edge
Shape carries out external extension, while the precision that can extend outside guarantee, reduces the operand of software program, improves effect
Rate.Therefore, the first preset range is set, can achieve preferable effect and efficiency.The set-up mode of second preset range is similar,
For example, the range of the ratio of the inside/outside diameter size difference of projection of the extension on part model bottom surface and the diameter of work size
It is 0.5%~40%.As shown in figure 12, the outer diameter R of projection of the workpiece extension on part model bottom surface3With workpiece extension
In the internal diameter of the projection on part model bottom surface, (i.e. projection of the curved surface of part model edge on part model bottom surface is outer
Diameter R2) difference, the as inside/outside diameter size difference D of projection of the extension on part model bottom surface2, the inside/outside diameter size is poor
D2With diameter dimension (the i.e. outer diameter R of projection of the curved surface of part model edge on part model bottom surface of workpiece2) ratio
Range be 0.5%~40%.Second preset range is set according to the ratio range, can achieve preferable effect and effect
Rate.
It is to carry out extension operation respectively for object with single part model 112 shown in the present embodiment, and by the workpiece
Model 112 and corresponding extension curve section 123 as a whole, then replicate the entirety according to predeterminated position relationship more
It is a, to form the second new part model 119.It is of course also possible to the multiple part models being arranged according to predeterminated position relationship
112 are considered as one (the first new part model 115), then extend for each part model 112, then new by first
Part model 115 and all extension curve sections 123 as a whole, form the second new part model 119.
The present embodiment also provides a kind of workpiece Vehicle Processing control method, the workpiece Vehicle Processing control method and embodiment 2
The difference of workpiece Vehicle Processing control method is, in S102: being respectively the multiple cutter locations of workpiece setting according to part model 112
116, and respectively according to every 120 matched curve expression formula of intersection curve, intersection curve 120 is the edge 108 the of part model
Curved surface in one preset range and the intersecting lens for expanding section, the expansion section is by expansion projection ray 121 and vertically
Plane in the bottom surface of the part model, the expansion projection ray 121 are to go out from the bottom center point A of the part model
It sends out and by the ray of edge cutter location subpoint 122, the edge cutter location subpoint 122 is the multiple cutter location 116
Projection on the bottom surface of the part model.Then, according to the curve representation formula, by intersection curve 120 to the workpiece
Outside extends, and forms extension curve section 123, and the extension curve section 123 is no more than the second preset range.Then, new by first
Part model 115 and all extension curve sections 123 as a whole, form the second new part model 119.
As a kind of preferred embodiment, the curve representation formula is 3 order polynomials, that is, in S102, fitting is every respectively
3 order polynomials of intersection curve 120.This kind of fit approach, both ensure that precision, in turn avoid fitting more high order (namely more
It is complicated) resource and time cost consumed by multinomial.
In S103, extension curve section cutter location 124 is set in every extension curve section 123, and opening up for lathe tool is arranged
Cutting trajectory is opened up, the expansion Cutting trajectory unidirectionally connects all cutter locations 116 and the extension curve section cutter location
124, it expands Cutting trajectory and is projected as being intended to the helix of the part model bottom center point, the expansion Cutting trajectory is thrown
Shadow is projection of the expansion Cutting trajectory on the part model bottom surface.Lathe tool and turntable are controlled, is cut according to the expansion
Track is cut to machine workpiece.
Other steps of the workpiece Vehicle Processing control method of the present embodiment repeat no more.
Embodiment 4
The Vehicle Processing control system of the present embodiment and the Vehicle Processing control system of embodiment 3 are essentially identical, and difference is, such as
Shown in Figure 10, arithmetic element 201 is respectively according to the 116 matched curve expression formula of multiple cutter locations on every intersection curve 120.Respectively
The coordinate value of a cutter location 116 has been stored in arithmetic element, is eliminated and is obtained the required time again；Also, using
The 116 matched curve expression formula of cutter location set can effectively control referenced numerical value quantity (the i.e. number of reference point of fitting
Amount), to reduce the complexity of fitting operation while guaranteeing that fit procedure meets accuracy, improve efficiency, reduce cost.
The present embodiment also provides a kind of workpiece turning processing method, the workpiece vehicle of the workpiece turning processing method and embodiment 2
The difference of processing method is, in step s 102, is fitted respectively according to multiple cutter locations 116 on every intersection curve 120
Curve representation formula.
Other steps of the workpiece Vehicle Processing control method of the present embodiment repeat no more.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (12)
1. a kind of workpiece turning processing method, which is characterized in that the workpiece turning processing method comprises the steps of:
S1, at least two part model is obtained；
S2, at least two part model is formed into the first new part model according to predeterminated position relationship；
S3, according to the described first new part model Vehicle Processing workpiece.
2. workpiece turning processing method as described in claim 1, which is characterized in that any 2 at least two part model
It is non-intersecting folded.
3. workpiece turning processing method as described in claim 1, which is characterized in that at least two part model is along a circle
Circumferential direction be uniformly distributed.
4. workpiece turning processing method as described in claim 1, which is characterized in that also include in S2: being respectively each work
Extension is arranged in part model, and the extension is to be extended from the edge of each part model to the external of the part model
It is formed, as a whole with each extension by the described first new part model, forms the second new part model；
S3 includes:
According to the described second new part model Vehicle Processing workpiece.
5. workpiece turning processing method as claimed in claim 4, which is characterized in that in S2, the edge-smoothing of the part model
Transit to the extension.
6. workpiece turning processing method as claimed in claim 4, which is characterized in that described is respectively that each part model is set
Extension is set, the extension is to be extended to form from the edge of each part model to the outside of the part model, is wrapped
Containing following steps:
S21, according to the part model be the multiple cutter locations of the workpiece setting；
S22, respectively according to every intersection curve matched curve expression formula, or, respectively according to more on intersection curve described in every
A cutter location matched curve expression formula, the intersection curve be the part model the first preset range of edge in curved surface with
The intersecting lens of section is expanded, the section of expanding is by expanding projection ray and perpendicular to the flat of the bottom surface of the part model
Face, the expansion projection ray are bottom center's point from the part model and penetrating by edge cutter location subpoint
Line, the edge cutter location subpoint are projection of the multiple cutter location on the bottom surface of the part model；
S23, according to the curve representation formula, the intersection curve is extended to the outer workpiece, formed extension curve section, institute
Extension curve section is stated no more than the second preset range；
S3 includes:
Extension curve section cutter location is set in the extension curve section, and the Cutting trajectory of lathe tool is set, the Cutting trajectory
All cutter locations and the extension curve section cutter location are unidirectionally connected, Cutting trajectory is projected as being intended to the part model
The helix of bottom center's point, the Cutting trajectory are projected as projection of the Cutting trajectory on the part model bottom surface.
7. a kind of Vehicle Processing control system, which is characterized in that the Vehicle Processing control system includes arithmetic element, control unit；
The arithmetic element forms first according to predeterminated position relationship for obtaining part model, and by least two part model
New part model；
Described control unit is for controlling lathe according to the described first new part model Vehicle Processing workpiece.
8. Vehicle Processing control system as claimed in claim 7, which is characterized in that any 2 at least two part model
It is a non-intersecting folded.
9. Vehicle Processing control system as claimed in claim 7, which is characterized in that at least two part model is along a circle
Circumferential direction be uniformly distributed.
10. Vehicle Processing control system as claimed in claim 7, which is characterized in that it is described by least two part model according to pre-
If positional relationship forms the first new part model, include: being respectively each part model setting extension, the extension
To be extended to form from the edge of each part model to the outside of the part model, by the described first new part model with
Each extension as a whole, forms the second new part model；
Described control unit is for controlling lathe according to the described second new part model Vehicle Processing workpiece.
11. Vehicle Processing control system as claimed in claim 10, which is characterized in that the edge-smoothing transition of the part model
To the extension.
12. Vehicle Processing control system as claimed in claim 10, which is characterized in that described is respectively each part model
Extension is set, the extension is to be extended to form from the edge of each part model to the outside of the part model,
Include: being the multiple cutter locations of the workpiece setting according to the part model；Respectively according to every intersection curve matched curve table
Up to formula, or, respectively according to multiple cutter location matched curve expression formulas on intersection curve described in every, the intersection curve is institute
It states the curved surface in the first preset range of edge of part model and expands the intersecting lens of section, the expansion section is by expanding
Projection ray and the plane of the bottom surface perpendicular to the part model, the expansion projection ray are from the bottom of the part model
Face central point sets out and by the ray of edge cutter location subpoint, and the edge cutter location subpoint is the multiple cutter location
Projection on the bottom surface of the part model；According to the curve representation formula, by the intersection curve to the outer workpiece
Extend, form extension curve section, the extension curve section is no more than the second preset range；
Described control unit is used to that extension curve section cutter location to be arranged in the extension curve section, and the cutting rail of lathe tool is arranged
Mark, the Cutting trajectory unidirectionally connect all cutter locations and the extension curve section cutter location, and Cutting trajectory is projected as
To in the helix of the part model bottom center point, the Cutting trajectory is projected as the Cutting trajectory in the workpiece mould
Projection on type bottom surface.
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| CN1569375A (en) * | 2003-03-12 | 2005-01-26 | 发那科株式会社 | Method and apparatus for preparing program for die machining |
| CN101058966A (en) * | 2006-04-21 | 2007-10-24 | 上海颉灏机械有限公司 | Embedded sleeve for concrete switch tie and preparation method for screw shell thereof |
| JP2009093281A (en) * | 2007-10-04 | 2009-04-30 | Hitachi Global Storage Technologies Netherlands Bv | Conveyance control method and conveyance control system |
| CN102689238A (en) * | 2011-02-24 | 2012-09-26 | 苹果公司 | Smart automation of robotic surface finishing |
| CN106079196A (en) * | 2016-06-23 | 2016-11-09 | 凌云光技术集团有限责任公司 | A kind of generation method and device of burr cutting path |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569375A (en) * | 2003-03-12 | 2005-01-26 | 发那科株式会社 | Method and apparatus for preparing program for die machining |
| CN101058966A (en) * | 2006-04-21 | 2007-10-24 | 上海颉灏机械有限公司 | Embedded sleeve for concrete switch tie and preparation method for screw shell thereof |
| JP2009093281A (en) * | 2007-10-04 | 2009-04-30 | Hitachi Global Storage Technologies Netherlands Bv | Conveyance control method and conveyance control system |
| CN102689238A (en) * | 2011-02-24 | 2012-09-26 | 苹果公司 | Smart automation of robotic surface finishing |
| CN106079196A (en) * | 2016-06-23 | 2016-11-09 | 凌云光技术集团有限责任公司 | A kind of generation method and device of burr cutting path |
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