CN110479839A - For shaping the envelope roller parameter acquiring method of the high muscle Cylinder shape constructional element of thin-walled - Google Patents
For shaping the envelope roller parameter acquiring method of the high muscle Cylinder shape constructional element of thin-walled Download PDFInfo
- Publication number
- CN110479839A CN110479839A CN201910711659.0A CN201910711659A CN110479839A CN 110479839 A CN110479839 A CN 110479839A CN 201910711659 A CN201910711659 A CN 201910711659A CN 110479839 A CN110479839 A CN 110479839A
- Authority
- CN
- China
- Prior art keywords
- walled
- envelope
- cylinder shape
- constructional element
- point
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/02—Making hollow objects characterised by the structure of the objects
- B21D51/10—Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The present invention relates to the present invention relates to a kind of for shaping the envelope roller parameter acquiring method of the high muscle Cylinder shape constructional element of thin-walled, comprising the following steps: determines the high muscle Cylinder shape constructional element envelope roll milling forming envelope roller design principle of thin-walled；Establish three-dimensional cartesian coordinate system；Rotating ratio between envelope roller and target member is calculated by the equal datum mark of linear velocity, and proposes the equal datum mark constraint condition of linear velocity；Determine envelope roller and the high muscle Cylinder shape constructional element point correspondence of target thin-walled.The present invention is used to shape the envelope roller parameter acquiring method of the high muscle Cylinder shape constructional element of thin-walled, it can be achieved that the high muscle Cylinder shape constructional element envelope roll milling forming envelope roller efficient design of arbitrary target thin-walled, has very strong versatility and practicability.
Description
Technical field
The present invention relates to the high muscle Cylinder shape constructional element figuration manufacture fields of thin-walled, thin for shaping more specifically to one kind
The envelope roller parameter acquiring method of the high muscle Cylinder shape constructional element of wall.
Background technique
With fast developments such as aerospace, petrochemical industry, weaponrys, the high muscle Cylinder shape constructional element application of thin-walled is extremely wide
General, the accuracy of manufacture, performance have a major impact the high-end equipment overall performance such as aircraft.Since there are components for the high muscle tubular of thin-walled
The features such as wall is thin, muscle is high, section is complicated, the techniques such as traditional ring rolling are difficult to manufacture such part.Currently manufactured method is main
It is casting, welding, machining etc..Casting obtains component coarse grains, organizes not fine and closely woven, poor mechanical property, it is difficult to meet high
The high muscle Cylinder shape constructional element requirement of performance thin-walled.Welding forming cannot manufacture the high muscle Cylinder shape constructional element of whole thin-walled, to weaken
The high muscle Cylinder shape constructional element bearing capacity of thin-walled.Machining stock utilization is low, low efficiency, and can destroy metal streamline integrality,
The high muscle Cylinder shape constructional element of high-quality thin-walled can not be manufactured.Therefore how high-performance, high efficiency, the high muscle Cylinder shape constructional element of low cost manufacturing thin-walled
Have become one of the area research hot issue.
Complicated non-rotating component continuous and local revolution Plastic Forming may be implemented in envelope forming, has component performance good, raw
The advantages such as high-efficient, production cost is low are produced, are the high muscle Cylinder shape constructional element advanced manufacturing technologies of thin-walled.The high muscle Cylinder shape constructional element envelope of thin-walled
During roll milling forming, envelope roller careful design is the key that realize the high muscle Cylinder shape constructional element envelope roll milling forming of thin-walled.Currently, also
The not report about the high muscle Cylinder shape constructional element envelope roll milling forming envelope roller careful design of thin-walled, the design parameter of envelope roller can not
Science, efficient acquisition.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of envelope roller ginseng for shaping the high muscle Cylinder shape constructional element of thin-walled
Number acquisition methods have very strong, it can be achieved that the high muscle Cylinder shape constructional element envelope roll milling forming envelope roller efficient design of arbitrary target thin-walled
Versatility and practicability.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of for shaping the high muscle tubular structure of thin-walled
The envelope roller parameter acquiring method of part, the envelope roller are the cylindrical body of belt type cavity, the axis and the high muscle of target thin-walled of envelope roller
Cylinder shape constructional element axis is parallel, and envelope roller and the high muscle Cylinder shape constructional element of target thin-walled do active uniform rotation and form envelope relationship,
The high muscle of target Cylinder shape constructional element is shaped by envelope roll shape chamber envelope；Envelope roller parameter acquiring method includes:
Using a point O on the high muscle Cylinder shape constructional element axis of target thin-walled as coordinate origin, the target member cross section where O point is
Point O on the face xOy, O point and envelope roll axis1Horizontal line is x-axis, and target member axis is z-axis, establishes xOy-z rectangular co-ordinate
System；
Choose a point A (x on envelope roller and target member contact area1,y1), target member rotational speed omega1With envelope roller revolving speed
ω2Ratio are as follows:
In formula (1), a O1, distance between O；
The equal datum mark A of linear velocity chooses constraint condition are as follows:
In formula (2), b is that the high muscle Cylinder shape constructional element of target thin-walled indulges muscle number, and t takes positive integer；
Any point coordinate (x on the high muscle Cylinder shape constructional element of target thin-walled2,y2,z2) and envelope roller on corresponding points coordinate (x3,
y3,z3) between meet following formula:
。
In above scheme, any point coordinate (x on the high muscle Cylinder shape constructional element of target thin-walled2,y2,z2) and envelope roller on it is corresponding
Point coordinate (x3,y3,z3) between corresponding relationship, i.e. the acquisition methods of formula (3) are as follows:
Point B'(x on target member2,y2,z2) with envelope roller on corresponding points B " (x3,y3,z3) moved after elapsed-time standards t simultaneously
To B point, point correspondence is thus constructed；By relationship between arc angle, obtain:
ω1∠ B " OB=ω2∠B'OB (5)
Convolution (1), (4), (5) obtain formula (6):
It crosses B " point and makees x-axis vertical line, intersection point is C point, obtain x' at this time:
x3=OC=OO1+O1C (7)
O1C=O1B”cos(∠B”OB) (8)
Convolution (6), (7), (8) obtain formula (9):
y3=B " C (10)
B " C=O1B”sin(∠B”OB) (11)
Convolution (6), (10), (11) obtain formula (12):
Since z point coordinate does not change always, so having:
z3=z2 (13)
Convolution (9), (12), (13) obtain formula (3).
Implement the envelope roller parameter acquiring method for being used to shape the high muscle Cylinder shape constructional element of thin-walled of the invention, has beneficial below
Effect:
1, the achievable high muscle Cylinder shape constructional element envelope roller of arbitrary target thin-walled of the present invention efficiently, careful design, have very strong
Versatility and practicability.
2, the high muscle Cylinder shape constructional element high-performance of thin-walled, high efficiency, inexpensive envelope roll milling forming manufacture may be implemented in the present invention.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the high muscle Cylinder shape constructional element three-dimensional figure of target thin-walled；
Fig. 2 is that three-dimensional cartesian coordinate system establishes schematic diagram；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is envelope roller careful design schematic diagram one；
Fig. 5 is envelope roller careful design schematic diagram two；
Fig. 6 is the envelope roller xOy plan view that the method for the present invention generates；
Fig. 7 is the envelope roller three-dimensional figure that the method for the present invention generates.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in figs. 1-7, of the invention for shaping the envelope roller parameter acquiring method packet of the high muscle Cylinder shape constructional element of thin-walled
Include following steps:
S1, the high muscle Cylinder shape constructional element envelope roll milling forming envelope roller design principle of thin-walled is determined；Fig. 1 is the high muscle cylinder of target thin-walled
Shape component.Envelope roller is the cylindrical body of belt type cavity, and axis is parallel with the high muscle Cylinder shape constructional element axis of target thin-walled, envelope roller and mesh
The mark high muscle Cylinder shape constructional element of thin-walled does active uniform rotation and forms envelope relationship, and the high muscle of target Cylinder shape constructional element is by envelope roll shape chamber
Envelope forming；
S2, three-dimensional cartesian coordinate system is established；As Figure 2-3, it is with a point O on the high muscle Cylinder shape constructional element axis of target thin-walled
Coordinate origin, the target member cross section where O point are the face xOy, point O on O point and envelope roll axis1Horizontal line is x-axis, mesh
Mark component axis is z-axis, establishes xOy-z rectangular coordinate system.
S3, envelope roller and the high muscle Cylinder shape constructional element rotation speed relation of target thin-walled are determined；As illustrated in figures 4-5, choose envelope roller with
A point A (x on target member contact area1,y1), envelope roller is equal with target member linear velocity herein.Point A is circle O', O1' public
Target member rotational speed omega is calculated by two circle relationships in concurrent1With envelope roller rotational speed omega2Ratio:
In formula (1), a O1, distance between O.
The equal datum mark A of linear velocity chooses constraint condition are as follows:
In formula (2), b is that the high muscle Cylinder shape constructional element of target thin-walled indulges muscle number, and t takes positive integer.
The point A (50,0) for meeting constraint condition is taken, target member linear velocity and envelope roller at circle O' are justifying O1' place
Linear velocity is equal, and obtaining the two rotating ratio k is 0.5.
S4, envelope roller and the high muscle Cylinder shape constructional element point correspondence of target thin-walled are determined；Target member any point B'(x2,
y2) on justifying O ", then corresponding points B " is justifying O on envelope roller1" on.Using O as the center of circle, radius is circle O "Circle O1" with
O1It is for the center of circle and tangent with circle O ".
S5, envelope roller careful design calculating process is determined；The high muscle Cylinder shape constructional element of target thin-walled and envelope roller moment keep line
Contact, is calculated envelope roller precise calculation with this principle:
(x2,y2,z2) it is any point coordinate on the high muscle Cylinder shape constructional element of target thin-walled, (x3,y3,z3) it is corresponding on envelope roller
Point coordinate.
Specific calculation is as follows:
As illustrated in figures 4-5, point B'(x on target member2,y2,z2) with envelope roller on corresponding points B " (x3,y3,z3) through lasting
Between move to B point simultaneously after t, thus construct point correspondence.By relationship between arc angle, obtain:
ω1∠ B " OB=ω2∠B'OB (5)
Convolution (1), (4), (5) obtain formula (6):
It crosses B " point and makees x-axis vertical line, intersection point is C point, obtain x' at this time:
x3=OC=OO1+O1C (7)
O1C=O1B”cos(∠B”OB) (8)
Convolution (6), (7), (8) obtain formula (9):
y3=B " C (10)
B " C=O1B”sin(∠B”OB) (11)
Convolution (6), (10), (11) obtain formula (12):
Since z point coordinate does not change always, so having:
z3=z2 (13)
Convolution (9), (12), (13) obtain envelope roller design equation (3).
A point G (48,2) on component is taken, solves corresponding points G'(47.961 on envelope roller at this time, 1.91).With the calculating of equation 3
Envelope roller, xOy plane as shown in figure 4, threedimensional model as shown in fig. 6-7.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (2)
1. a kind of for shaping the envelope roller parameter acquiring method of the high muscle Cylinder shape constructional element of thin-walled, the envelope roller is the circle of belt type cavity
The axis of cylinder, envelope roller is parallel with the high muscle Cylinder shape constructional element axis of target thin-walled, envelope roller and the high muscle Cylinder shape constructional element of target thin-walled
It does active uniform rotation and forms envelope relationship, the high muscle of target Cylinder shape constructional element is shaped by envelope roll shape chamber envelope；Its feature exists
In envelope roller parameter acquiring method includes:
Using a point O on the high muscle Cylinder shape constructional element axis of target thin-walled as coordinate origin, the target member cross section where O point is xOy
Point O on face, O point and envelope roll axis1Horizontal line is x-axis, and target member axis is z-axis, establishes xOy-z rectangular coordinate system；
Choose a point A (x on envelope roller and target member contact area1,y1), target member rotational speed omega1With envelope roller rotational speed omega2Than
Value are as follows:
In formula (1), a O1, distance between O；
The equal datum mark A of linear velocity chooses constraint condition are as follows:
In formula (2), b is that the high muscle Cylinder shape constructional element of target thin-walled indulges muscle number, and t takes positive integer；
Any point coordinate (x on the high muscle Cylinder shape constructional element of target thin-walled2,y2,z2) and envelope roller on corresponding points coordinate (x3,y3,z3)
Between meet following formula:
2. according to claim 1 for shaping the envelope roller parameter acquiring method of the high muscle Cylinder shape constructional element of thin-walled, feature
It is, any point coordinate (x on the high muscle Cylinder shape constructional element of target thin-walled2,y2,z2) and envelope roller on corresponding points coordinate (x3,y3,z3)
Between corresponding relationship, i.e. the acquisition methods of formula (3) are as follows:
Point B'(x on target member2,y2,z2) with envelope roller on corresponding points B " (x3,y3,z3) B is moved to after elapsed-time standards t simultaneously
Point, thus constructs point correspondence；By relationship between arc angle, obtain:
ω1∠ B " OB=ω2∠B'OB (5)
Convolution (1), (4), (5) obtain formula (6):
It crosses B " point and makees x-axis vertical line, intersection point is C point, obtain x' at this time:
x3=OC=OO1+O1C (7)
O1C=O1B”cos(∠B”OB) (8)
Convolution (6), (7), (8) obtain formula (9):
y3=B " C (10)
B " C=O1B”sin(∠B”OB) (11)
Convolution (6), (10), (11) obtain formula (12):
Since z point coordinate does not change always, so having:
z3=z2 (13)
Convolution (9), (12), (13) obtain formula (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910711659.0A CN110479839B (en) | 2019-08-02 | 2019-08-02 | Envelope roller parameter obtaining method for forming thin-wall high-rib cylindrical component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910711659.0A CN110479839B (en) | 2019-08-02 | 2019-08-02 | Envelope roller parameter obtaining method for forming thin-wall high-rib cylindrical component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110479839A true CN110479839A (en) | 2019-11-22 |
| CN110479839B CN110479839B (en) | 2020-08-04 |
Family
ID=68549201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910711659.0A Active CN110479839B (en) | 2019-08-02 | 2019-08-02 | Envelope roller parameter obtaining method for forming thin-wall high-rib cylindrical component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110479839B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111090910A (en) * | 2019-11-26 | 2020-05-01 | 武汉理工大学 | Enveloping die compensation method for improving space enveloping forming precision of conical thin-wall high-rib component |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106551A (en) * | 1985-08-24 | 1987-04-15 | 沈培基 | Cycloidal equidistant line gear transmission mechanism and device thereof |
| US20060272375A1 (en) * | 2005-06-07 | 2006-12-07 | Profiroll Technologies Gmbh | Method for producing an inner contour with an internal arbor acting on the inside wall of a workpiece |
| CN101943245A (en) * | 2010-09-07 | 2011-01-12 | 安徽工业大学 | Tooth shape optimization design method for linear-circular arc tooth outline internal engaged cylindrical gear pair |
| DE102009059265A1 (en) * | 2009-12-22 | 2011-06-30 | WF-Maschinenbau und Blechformtechnik GmbH & Co. KG, 48324 | Method for manufacturing internal gears of transmission part, involves pressing outer gear forming roller in progressive circumferential direction under formation of gears against inner lateral surface of molding blank |
| CN102307694A (en) * | 2008-12-08 | 2012-01-04 | 三菱重工业株式会社 | Method of controlling machine tool and machine tool |
| CN102921847A (en) * | 2012-11-20 | 2013-02-13 | 武汉理工大学 | Method and device for precision-rolling and forming cylindrical part |
| CN103056259A (en) * | 2013-01-09 | 2013-04-24 | 武汉理工大学 | Method and device for precisely rolling and forming cylindrical gear |
| CN103111561A (en) * | 2013-02-06 | 2013-05-22 | 武汉理工大学 | Internal deep groove annular piece precision rolling forming method and device |
| CN104112038A (en) * | 2014-06-25 | 2014-10-22 | 陕西高华知本化工科技有限公司 | Method for designing linear conjugate inner gearing pump tooth profile |
| CN105234498A (en) * | 2015-11-17 | 2016-01-13 | 安徽工程大学 | Equal-arc-length slotting method of non-circular gears |
| US20160067804A1 (en) * | 2014-09-04 | 2016-03-10 | Eaton Corporation | Modified tooth proportion gear cutter |
| CN105921651A (en) * | 2016-06-28 | 2016-09-07 | 中国南方航空工业(集团)有限公司 | Rolling method of high-temperature alloy high cylinder thin-walled ring part |
| CN106845048A (en) * | 2017-04-24 | 2017-06-13 | 北京航空航天大学 | A kind of inside engaged gear axle decelerator Nonlinear dynamic models method for counting friction and backlash |
-
2019
- 2019-08-02 CN CN201910711659.0A patent/CN110479839B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106551A (en) * | 1985-08-24 | 1987-04-15 | 沈培基 | Cycloidal equidistant line gear transmission mechanism and device thereof |
| US20060272375A1 (en) * | 2005-06-07 | 2006-12-07 | Profiroll Technologies Gmbh | Method for producing an inner contour with an internal arbor acting on the inside wall of a workpiece |
| CN102307694A (en) * | 2008-12-08 | 2012-01-04 | 三菱重工业株式会社 | Method of controlling machine tool and machine tool |
| DE102009059265A1 (en) * | 2009-12-22 | 2011-06-30 | WF-Maschinenbau und Blechformtechnik GmbH & Co. KG, 48324 | Method for manufacturing internal gears of transmission part, involves pressing outer gear forming roller in progressive circumferential direction under formation of gears against inner lateral surface of molding blank |
| CN101943245A (en) * | 2010-09-07 | 2011-01-12 | 安徽工业大学 | Tooth shape optimization design method for linear-circular arc tooth outline internal engaged cylindrical gear pair |
| CN102921847A (en) * | 2012-11-20 | 2013-02-13 | 武汉理工大学 | Method and device for precision-rolling and forming cylindrical part |
| CN103056259A (en) * | 2013-01-09 | 2013-04-24 | 武汉理工大学 | Method and device for precisely rolling and forming cylindrical gear |
| CN103111561A (en) * | 2013-02-06 | 2013-05-22 | 武汉理工大学 | Internal deep groove annular piece precision rolling forming method and device |
| CN104112038A (en) * | 2014-06-25 | 2014-10-22 | 陕西高华知本化工科技有限公司 | Method for designing linear conjugate inner gearing pump tooth profile |
| US20160067804A1 (en) * | 2014-09-04 | 2016-03-10 | Eaton Corporation | Modified tooth proportion gear cutter |
| CN105234498A (en) * | 2015-11-17 | 2016-01-13 | 安徽工程大学 | Equal-arc-length slotting method of non-circular gears |
| CN105921651A (en) * | 2016-06-28 | 2016-09-07 | 中国南方航空工业(集团)有限公司 | Rolling method of high-temperature alloy high cylinder thin-walled ring part |
| CN106845048A (en) * | 2017-04-24 | 2017-06-13 | 北京航空航天大学 | A kind of inside engaged gear axle decelerator Nonlinear dynamic models method for counting friction and backlash |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111090910A (en) * | 2019-11-26 | 2020-05-01 | 武汉理工大学 | Enveloping die compensation method for improving space enveloping forming precision of conical thin-wall high-rib component |
| CN111090910B (en) * | 2019-11-26 | 2023-07-25 | 武汉理工大学 | Envelope model compensation method for improving space envelope forming precision of conical thin-wall high-strength member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110479839B (en) | 2020-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhu et al. | Research on rotary surface topography by orthogonal turn-milling | |
| CN104440214A (en) | Tenon positioning device and method of zero-allowance hollow high-pressure turbine working blade | |
| CN112873851B (en) | 3D printing path of rotating member and additive manufacturing method thereof | |
| CN109894614A (en) | The method and its application of trajectory planning are filled on a kind of developable surface | |
| CN109214083B (en) | Precise design method for space envelope forming envelope mold under circular track | |
| RU2583570C2 (en) | Device for coating airfoil of turbine blades, having rotatable trough-shaped holder | |
| Peng et al. | Modeling and controlling of surface micro-topography feature in micro-ball-end milling | |
| WO2021174518A1 (en) | Flutter-free milling surface topography simulation method | |
| CN109783930B (en) | Method for improving rock breaking efficiency based on full-rotation directional drilling tool | |
| CN105773961B (en) | 3D printing method | |
| CN109177174B (en) | 3D printing method suitable for cylindrical part | |
| CN111090910B (en) | Envelope model compensation method for improving space envelope forming precision of conical thin-wall high-strength member | |
| CN111695259B (en) | Processing method of TPMS structure with continuous gradient wall thickness based on 3D printing | |
| CN109271689B (en) | Accurate calculation method for space envelope forming envelope mould track under circular track | |
| CN110479839A (en) | For shaping the envelope roller parameter acquiring method of the high muscle Cylinder shape constructional element of thin-walled | |
| CN112325773A (en) | Method for calibrating beam direction vector and origin position of laser displacement sensor | |
| CN1371775A (en) | Mould for casting golf club handle and method thereof | |
| CN111375666B (en) | Radial and axial enveloping rolling forming method for complex ribbed curved surface component | |
| CN107045578B (en) | A kind of chip pocket processing grinding wheel pose method for solving based on NPSO algorithm | |
| CN115647440A (en) | Method for solving milling infinitesimal energy consumption characteristic parameters of main and auxiliary cutting edges of square shoulder milling cutter | |
| CN110497727A (en) | A kind of optimal processing space choosing method of solid stone carving processing | |
| CN110543681B (en) | Accurate construction method for large non-revolving component split type space envelope forming roller | |
| CN108536093A (en) | The processing method of non-rotating type tool Complex Surface in NC Machining | |
| CN110826252A (en) | Enveloping mold design method for improving space enveloping forming precision under linear track | |
| CN207830468U (en) | The oblique line gear mechanism of active line tooth is constructed with plane spiral of Archimedes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |