CN109590788A - A kind of processing technology of piston in CNC machine - Google Patents
A kind of processing technology of piston in CNC machine Download PDFInfo
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- CN109590788A CN109590788A CN201811407130.1A CN201811407130A CN109590788A CN 109590788 A CN109590788 A CN 109590788A CN 201811407130 A CN201811407130 A CN 201811407130A CN 109590788 A CN109590788 A CN 109590788A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000003754 machining Methods 0.000 claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 21
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
-
- 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
- G05B19/401—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 control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
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- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Numerical Control (AREA)
Abstract
The present invention relates to a kind of processing technology of piston in CNC machine, the difference is that: processing technology is the following steps are included: by the storage unit of the nc program of the first angle of wedge inclined wedge contoured surface and the second angle of wedge inclined wedge contoured surface input lathe;Process the first angle of wedge inclined wedge contoured surface and the second angle of wedge inclined wedge contoured surface;The position and deviation size of the first angle of wedge inclined wedge contoured surface and the second angle of wedge inclined wedge contoured surface in process because of deviation caused by deforming are determined respectively;The amendment for carrying out opposite direction to the deviation of two angle of wedge inclined wedge contoured surfaces respectively, forms revised machining locus, regenerates nc program according to revised machining locus;Other workpiece to be processed are processed to qualified parts.Machined parameters of the present invention are controllable, and stability is good, and machining locus can be adjusted accurately, it is easy to accomplish the accurate control to process.
Description
Technical field
The present invention relates to numerical control processing field, processing technology of especially a kind of piston in CNC machine.
Background technique
Piston is the core component for being used to passing movement in the brake system of rail traffic, it will do frequently at work
Back and forth movement.Piston is connect with the part at its both ends respectively by its rounded nose seat and the angle of wedge with inclined wedge contoured surface.Wedge
The inclined wedge contoured surface at angle has relatively high size and status requirement, the inclined wedge of especially two angles of wedge relative to the axis of head seat
Contoured surface to axial dimension difference and its be respectively relative to the position to axis, be to influence transmission efficiency and piston service life
Key.If two inclined wedge contoured surface separate machineds will increase the two location errors of inclined wedge contoured surface relative to axis.
If the two inclined wedge contoured surfaces of simultaneous processing, and the limitation that shelves are big, the diameter of cutter can be used small can be held because of inclined wedge contoured surface,
Can generate allow knife, shake knife etc. the technological problems of processing and can not process.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of processing technology of piston in CNC machine,
Machined parameters are controllable, and stability is good, and machining locus can be adjusted accurately, it is easy to accomplish the accurate control to process.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of processing technology of piston in CNC machine,
The piston include head seat and be symmetrically formed on the head seat first angle of wedge and second angle of wedge, difference exist
In: it is used to make to be symmetrically formed inclined wedge contoured surface, the inclined wedge profile of first angle of wedge on first angle of wedge and second angle of wedge
Face is identical with the inclined wedge contoured surface shape of second angle of wedge, the processing technology the following steps are included:
Step a), the nc program of first angle of wedge inclined wedge contoured surface and the second angle of wedge inclined wedge contoured surface is inputted
In the storage unit of lathe;
Step b), clamping workpiece to be processed is positioned to the fixture of the lathe, then determines adding for the workpiece
The coordinate origin value of work coordinate system X, Y, Z, and working origin is set in the workpiece coordinate system of lathe according to the coordinate origin value
In X, Y, Z coordinate value;
Step c), the nc program according to step a) process first angle of wedge inclined wedge contoured surface and described
Second angle of wedge inclined wedge contoured surface;
Step d), it is measured on first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface respectively each
X, Y, Z actual coordinate value of point, then by measured data and the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge wheel
Size in design of surface drawing is compared, and determines the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge profile respectively
Face in process because deformation caused by deviation position and deviation size;
Step e), according to identified deviation in machining locus and step d), respectively to the first angle of wedge inclined wedge contoured surface and
The deviation of second angle of wedge inclined wedge contoured surface carries out the amendment of opposite direction, forms revised machining locus, is repaired according to described
Machining locus after just regenerates nc program;
Step f), other workpiece to be processed are processed to qualified parts according to the nc program in step e).
By above technical scheme, fixture described in the step b) includes for accommodating the pedestal of the head seat, setting
In the locating piece cooperated on the pedestal and with angle of wedge root described in one of them and it is symmetrically set on the pedestal for pushing down
Two pressing plates of the head seat offer the limit hole with the cooperation of the head seat of the piston, each pressure on the pedestal
Plate passes through first rotating shaft respectively and is rotatably connected with the pedestal, and the axis of the axis of the first rotating shaft and the limit hole is flat
It goes, one is respectively arranged on each pressing plate through pressing plate and the compressing member for pushing against head seat, the compressing member is spiral shell
Line part offers threaded hole parallel with the axis of the limit hole and with compressing member cooperation on the pressing plate, described fixed
Position block is connect by the second shaft with the pedestal, and the axis of second shaft is vertical with the axis of the limit hole, described
Locating piece is able to rotate to offseting with the angle of wedge described in one of them and passing through fastener and fixes with the pedestal.
By above technical scheme, clamping workpiece to be processed is positioned to the fixture of the lathe in the step b)
Specific steps are as follows: step b1), by the locating piece and press plate rotary to the limit hole is completely exposed, then by the workpiece
Head seat be inserted into the limit hole;Step b2), the rotation locating piece prolongs to it towards limit hole aperture direction
It stretches, tightens the fastener again then with the fixation locating piece and pedestal;Step b3), the rotation piston, make one of them
The root side of the inclined wedge contoured surface of the angle of wedge offsets with the locating piece, then rotates two pressing plates, makes its difference
The head seat is pushed down, being then screwed into compressing member pushes against it with the head seat.
By above technical scheme, the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface in the step a)
Nc program specific forming method are as follows: in automatic programming software, by the first angle of wedge inclined wedge contoured surface and described
The model establishment of two angle of wedge inclined wedge contoured surfaces generates the nc program, first angle of wedge inclined wedge contoured surface and described the
The model of two angle of wedge inclined wedge contoured surfaces is the theoretical mould established in three-dimensional software with the shape and size in the design drawing
Type, the automatic programming software are the calculating that the language that numerically controlled processing equipment can identify is generated using three-dimensional stereo model layout
Machine software.
By above technical scheme, measured data and the first angle of wedge inclined wedge contoured surface and described second in the step d)
The specific steps that size in angle of wedge inclined wedge contoured surface design drawing compares are as follows: first re-establish the according to the actual coordinate value
The Model Measured of one angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface, is then respectively compared two re-established
The theoretical model that the Model Measured and the shape and size in the design drawing are established in three-dimensional software.
By above technical scheme, the step d) the actual coordinate value and first angle of wedge inclined wedge in CAD software
Theoretical coordinate value in contoured surface and second angle of wedge inclined wedge contoured surface design drawing.
By above technical scheme, in the step e), after regenerating nc program, with the number regenerated
Control the nc program in processing program covering step a).
Compare the prior art, beneficial features of the invention are as follows: processing technology of the piston in CNC machine, to processing number
According to progress sunykatuib analysis, the machining locus of the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface can be accurate
Adjustment, this method is flexible high, adapts to wide;The machining accuracy of the machining tool controlled using data, lathe is high, and machined parameters can
Control, stability are good, it is easy to accomplish the accurate control to process;In process respectively to two inclined wedge profiles of processing
Surface error is modified, and is realized the stable production of the batch of part, is reduced scrapping for part, improves the efficiency of production.
Detailed description of the invention
Fig. 1 is piston structure schematic diagram in the embodiment of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the bottom view of Fig. 1;
Fig. 4 is the top view of Fig. 1;
Fig. 5 is clamp structure schematic diagram in the embodiment of the present invention;
Fig. 6 is the top view of Fig. 5, and wherein locating piece is not shown;
Fig. 7 is that piston is fixed to the structural schematic diagram on fixture in the embodiment of the present invention;
Fig. 8 is the top view of Fig. 7, and wherein locating piece is not shown;
Wherein: 1- piston (101- head seat, first angle of wedge of 102- (the inclined wedge contoured surface of first angle of wedge of 1021-), 103-
Two angles of wedge (the inclined wedge contoured surface of second angle of wedge of 1031-)), 2- pedestal (201- limit hole), 3- locating piece, 4- pressing plate, 5- first
Shaft, 6- compressing member, the second shaft of 7-, 8- fastener.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
Please refer to figs. 1 to 4, and piston 1 includes head seat 101 and is symmetrically formed in the head in the embodiment of the present invention
First angle of wedge 102 and second angle of wedge 103 on seat 101.Processing technology of the piston of the embodiment of the present invention in CNC machine is for adding
The inclined wedge contoured surface 1021 of first angle of wedge 102 on work piston 1 and the inclined wedge contoured surface 1031 of second angle of wedge 103, first angle of wedge
Inclined wedge contoured surface 1021 and second angle of wedge inclined wedge contoured surface 1031 be symmetrical arranged and shape it is identical.
Please refer to Fig. 1 to Fig. 8, the process step of the invention are as follows:
Step a), in automatic programming software, by the first angle of wedge inclined wedge contoured surface 1021 and the second angle of wedge inclined wedge contoured surface
1031 model establishment generates nc program, and the automatic programming software is to generate numerical control using three-dimensional stereo model layout
The computer software for the language that process equipment can identify, first angle of wedge inclined wedge contoured surface 1021 and the second angle of wedge inclined wedge wheel
The model of profile surface 1031 is the three-dimensional model established in three-dimensional software with the shape and size in design drawing, then by first
The nc program of angle of wedge inclined wedge contoured surface 1021 and the second angle of wedge inclined wedge contoured surface 1031 is input in the memory of lathe,
And it by process tool and is used for the fixture of clamping workpiece and is installed to lathe.
Step b), clamping workpiece to be processed positioned to fixture again, then determines the Cutter coordinate system X, Y, Z of workpiece
Coordinate origin value, and the coordinate origin value is set as to X, Y, Z machining coordinate origin in the coordinate system of lathe.
Step c), the nc program according to step a) process first angle of wedge inclined wedge contoured surface, 1021 He
Second angle of wedge inclined wedge contoured surface 1031.
Step d), machined first angle of wedge inclined wedge contoured surface 1021 and second angle of wedge inclined wedge are measured respectively
X, Y, Z actual coordinate value of contoured surface 1031 re-establish the first angle of wedge inclined wedge contoured surface according to the actual measurement outline data
1021 and second angle of wedge inclined wedge contoured surface 1031 Model Measured.Compare first angle of wedge re-established in CAD software
The Model Measured of 103 inclined wedge contoured surface 1031 of 102 inclined wedge contoured surfaces 1021 and second angle of wedge and described with the design drawing
The theoretical model that shape and size in paper are established in three-dimensional software determines first angle of wedge, 102 inclined wedge contoured surface 1021 respectively
With second angle of wedge, the 103 inclined wedge contoured surface 1031 in process because deforming, allowing the position and partially of deviation caused by knife etc.
Poor size;The table if the gross data position of the position in the actual coordinate value of X, Y, Z of corresponding position deviation design drawing
It is bright mismachining tolerance occur at this;The distance of deviation is bigger, then shows that mismachining tolerance is more severe at this.
Step e), according to identified deviation in the machining locus and step d) of process tool, respectively to first angle of wedge 102
The deviation of 103 inclined wedge contoured surface 1031 of inclined wedge contoured surface 1021 and second angle of wedge carries out opposite direction and (subtracts according to experience to deviation
Small direction) amendment, form revised machining locus, the machining locus of the revised process tool regenerates number
Processing program is controlled, with the nc program in the nc program covering step a) regenerated;After amendment
The processing trace curve of process tool should be continuous with adjacent curve therewith, and be independent of each other, keep phase between each contour curve
It is mutually independent.
Step f), other workpiece to be processed are processed according to the nc program in step e) to qualified parts,
If still there is deviation at deviation, step d) to step f) is repeated.
Preferably, Fig. 5 to Fig. 8 is please referred to, fixture described in the step b) includes for accommodating the head seat 101
Pedestal 2, on the pedestal 2 and with first angle of wedge, 102 root cooperation locating piece 3 and be symmetrically set on the pedestal 2
For pushing down two pressing plates 4 of the head seat 101, offered on the pedestal 2 and the cooperation of the head seat 101 of the piston
Limit hole 201, each pressing plate 4 are rotatably connected by first rotating shaft 5 with the pedestal 2 respectively, the axis of the first rotating shaft 5
Line is parallel with the axis of the limit hole 201, one is respectively arranged on each pressing plate 4 through pressing plate 4 and for pushing against head
The compressing member 6 of portion's seat 101, the compressing member 6 are screw element, are offered on the pressing plate 4 flat with the axis of the limit hole 201
Row and threaded hole with the compressing member 6 cooperation, the locating piece 3 are connect by the second shaft 7 with the pedestal 2, and described the
The axis of two shafts 7 is vertical with the axis of the limit hole 201, the locating piece 3 be able to rotate to first angle of wedge, 102 root phase
It supports and passes through fastener 8 and the pedestal 2 is fixed.It is determined in the step b) according to the position of the fixed head seat 101 of fixture
The Cutter coordinate system of workpiece is used for the axis of fixing head seat 101,201 axis coordinate of limit hole according to the limit hole 201 of fixture
It is consistent with the axis of head seat 101.Locating piece 3 is that the inclined wedge contoured surface 1021 and 1031 of piston when guaranteeing processing is being processed
In remain in the same position.
Preferably, Fig. 7 to Fig. 8 is please referred to, positions clamping workpiece to be processed to the lathe in the step b)
Specific steps on fixture are as follows: step b1), the locating piece 3 and pressing plate 4 turned to are completely exposed the limit hole 201, so
The head seat 101 is inserted into the limit hole 201 afterwards;Step b2), the rotation locating piece 3 is to it towards the limit
201 aperture direction of hole extends, and tightens the fastener 8 again then with the fixation locating piece 3 and pedestal 2;Step b3), rotation
The piston 1 makes the root side of the inclined wedge contoured surface 1021 of first angle of wedge 102 offset with the locating piece 3, then rotates two
A pressing plate 4 makes pressing plate 4 push down the head seat 101 respectively, and being then screwed into compressing member 6 supports it with the head seat 101
Tightly.
Referring to FIG. 7, after on clamping workpiece to fixture to be processed, first angle of wedge 102 is located in the embodiment of the present invention
The surface of second angle of wedge 103.The inclined wedge contoured surface 1031 of the inclined wedge contoured surface 1021 of first angle of wedge 102 and second angle of wedge 103
The math equation of the identical chamfered shape for referring to two inclined wedge contoured surfaces of shape is identical (referring to FIG. 2, the math equation is
Piecewise function:
X and Y is variable of the work pieces process track in two reference axis of coordinate system, and other letters are all constant), and first
The inclined wedge contoured surface 1031 of the inclined wedge contoured surface 1021 of the angle of wedge 102 and second angle of wedge 103 is in the same plane.
In the embodiment of the present invention, when working out the nc program after correcting deviation, respectively according to the oblique of first angle of wedge 102
After the measured data of the inclined wedge contoured surface 1031 of wedge contoured surface 1021 and second angle of wedge 103 is adjusted reduction deviation, program
A new processing program is obtained after modifying.Due to the inclined wedge contoured surface 1021 and second angle of wedge 103 of first angle of wedge 102
Inclined wedge contoured surface 1031 is processed in two times, the cammed surface 1031 of the cammed surface 1021 of first angle of wedge 102 and second angle of wedge 103
The actual size for being respectively relative to axis has difference.Different differences is mainly from Workpiece structure, cutter rigidity, cutting edge
Position difference, machining deformation etc., except the individual reason of part.The inclined wedge contoured surface 1021 and the second wedge of first angle of wedge 102
The different difference of 1031 actual size of inclined wedge contoured surface at angle 103 can not exceed the processing request of part.First angle of wedge 102 it is oblique
Maximum position, which occurs, in the difference of the inclined wedge contoured surface 1031 of wedge contoured surface 1021 and second angle of wedge 103 can pass through math equation
It shows on machining locus figure, modified machining locus can reduce the inclined wedge contoured surface 1021 of first angle of wedge 102
With the difference of the inclined wedge contoured surface 1031 of second angle of wedge 103, modified machining locus can be compiled into the oblique of first angle of wedge 102
The revised processing program of the inclined wedge contoured surface 1031 of wedge contoured surface 1021 and second angle of wedge 103.
The above content is combine specific embodiment to the further description of the invention done, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For the those of ordinary skill of the technical field belonging to the present invention, not
Under the premise of being detached from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to guarantor of the invention
Protect range.
Claims (7)
1. a kind of processing technology of piston in CNC machine, the piston includes head seat and is symmetrically formed in the head seat
On first angle of wedge and second angle of wedge, it is characterised in that: it is used to make to be symmetrically formed on first angle of wedge and second angle of wedge tiltedly
Wedge contoured surface, the inclined wedge contoured surface of first angle of wedge and the inclined wedge contoured surface shape of second angle of wedge are identical, the processing technology
The following steps are included:
Step a), the nc program of first angle of wedge inclined wedge contoured surface and the second angle of wedge inclined wedge contoured surface is inputted into lathe
Storage unit in;
Step b), clamping workpiece to be processed is positioned to the fixture of the lathe, then determines that the processing of the workpiece is sat
The coordinate origin value of mark system X, Y, Z, and working origin is set in the workpiece coordinate system of lathe according to the coordinate origin value
X, Y, Z coordinate value;
Step c), the nc program according to step a) process first angle of wedge inclined wedge contoured surface and described second
Angle of wedge inclined wedge contoured surface;
Step d), each point on first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface is measured respectively
X, Y, Z actual coordinate value, then by measured data and the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface
Size in design drawing is compared, and determines that the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface exist respectively
Position and deviation size in process because of deviation caused by deforming;
Step e), according to identified deviation in machining locus and step d), respectively to the first angle of wedge inclined wedge contoured surface and described
The deviation of second angle of wedge inclined wedge contoured surface carries out the amendment of opposite direction, revised machining locus is formed, after the amendment
Machining locus regenerate nc program;
Step f), other workpiece to be processed are processed to qualified parts according to the nc program in step e).
2. processing technology of the piston as described in claim 1 in CNC machine, it is characterised in that: described in the step b)
Fixture include for accommodating the pedestal of the head seat, being set on the pedestal and cooperate with angle of wedge root described in one of them
Locating piece and be symmetrically set on the pedestal for pushing down two pressing plates of the head seat, offered on the pedestal and institute
The limit hole of the head seat cooperation of piston is stated, each pressing plate passes through first rotating shaft respectively and is rotatably connected with the pedestal, institute
The axis for stating first rotating shaft is parallel with the axis of the limit hole, and one is respectively arranged on each pressing plate and is used in combination through pressing plate
In the compressing member for pushing against head seat, the compressing member is screw element, is offered on the pressing plate flat with the axis of the limit hole
Row and the threaded hole cooperated with the compressing member, the locating piece are connect by the second shaft with the pedestal, and described second turn
The axis of axis is vertical with the axis of the limit hole, and the locating piece is able to rotate to the angle of wedge described in one of them and offsets and pass through
Fastener is fixed with the pedestal.
3. processing technology of the piston as claimed in claim 2 in CNC machine, it is characterised in that: will be in the step b)
The clamping workpiece of processing is positioned to the specific steps on the fixture of the lathe are as follows: step b1), the locating piece and pressing plate turned
It moves to the limit hole is completely exposed, then the head seat of the workpiece is inserted into the limit hole;Step b2), rotation institute
Locating piece is stated to extend to it towards limit hole aperture direction, then tighten again the fastener with the fixation locating piece and
Pedestal;Step b3), the rotation piston, make the inclined wedge contoured surface of one of them angle of wedge root side and the positioning
Block offsets, and then rotates two pressing plates, so that it is pushed down the head seat respectively, being then screwed into compressing member makes itself and the head
Portion's seat pushes against.
4. processing technology of the piston as described in claim 1 in CNC machine, it is characterised in that: first in the step a)
The specific forming method of the nc program of angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface are as follows: compiling automatically
In journey software, the establishment of the model of the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface is generated into the numerical control and is added
The model of engineering sequence, first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface is in the design drawing
The theoretical model established in three-dimensional software of shape and size, the automatic programming software is to use three-dimensional stereo model layout
Generate the computer software for the language that numerically controlled processing equipment can identify.
5. processing technology of the piston as described in claim 1 in CNC machine, it is characterised in that: surveyed in the step d)
Tool of the data obtained compared with the size in the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface design drawing
Body step are as follows: the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge profile are first re-established according to the actual coordinate value
Then the Model Measured in face is respectively compared two Model Measureds and the shape in the design drawing re-established
The theoretical model that shape and size are established in three-dimensional software.
6. processing technology of the piston as described in claim 1 in CNC machine, it is characterised in that: the step d) is soft in CAD
In part in the actual coordinate value and the first angle of wedge inclined wedge contoured surface and second angle of wedge inclined wedge contoured surface design drawing
Theoretical coordinate value.
7. such as processing technology of the piston as claimed in any one of claims 1 to 6 in CNC machine, it is characterised in that: the step
E) in, after regenerating nc program, with the number in the nc program covering step a) regenerated
Control processing program.
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CN201811407130.1A CN109590788B (en) | 2018-11-23 | 2018-11-23 | Machining process of piston on CNC (computer numerical control) machine tool |
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CN104759942A (en) * | 2015-04-22 | 2015-07-08 | 华中科技大学 | Online milling deformation measurement and complementation machining method for thin-walled part |
CN105242637A (en) * | 2015-10-27 | 2016-01-13 | 华中科技大学 | Aviation thin-wall blade compensation processing method |
CN205765024U (en) * | 2016-05-25 | 2016-12-07 | 大连汇隆活塞股份有限公司 | A kind of single-piece piston locating and machining structure |
CN107243761A (en) * | 2017-07-27 | 2017-10-13 | 安徽金力泵业科技有限公司 | A kind of twin type automobile water pump housing clamp for machining |
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