CN105290473B - A kind of processing method of the tapered outer surface biasing milling of casing - Google Patents
A kind of processing method of the tapered outer surface biasing milling of casing Download PDFInfo
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- CN105290473B CN105290473B CN201510819485.1A CN201510819485A CN105290473B CN 105290473 B CN105290473 B CN 105290473B CN 201510819485 A CN201510819485 A CN 201510819485A CN 105290473 B CN105290473 B CN 105290473B
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Abstract
The present invention relates to a kind of processing method of the tapered outer surface biasing milling of casing, following steps：Using UG softwares, carry out working out the tapered outer surface Milling Machining operation of casing；Plan the Milling Machining order and cutter path of the tapered outer surface of casing；Customize the special post processing program of UG softwares；Using special post processing program, the G code program that lathe identifies is created；The Milling Machining of the tapered outer surface of planning casing is sequentially and cutter path is：The tapered outer surface of casing is divided into some curved surface areas, each curved surface area is represented separately as driving body, each curved surface area by (U, V) parameter；The centre position of the single curved surface area of feed point selection, direction of feed are more than 90 °, less than 270 with cutting direction angulation θ.Present invention improves Tool in Cutting angle, increases side edge cutting scope, reduces shear blade cutting, so as to reduce tool wear, improves processing efficiency, successfully solve the NC Milling problem of the tapered outer surface of casing.
Description
Technical field
The present invention relates to the process technology of mechanical manufacturing field, specifically a kind of tapered outer surface biasing milling of casing
Processing method.
Background technology
It is very big that the architectural feature of tapered outer surface occupies ratio in the processing of aero-engine casing part, for example, calming the anger
There is the processing of tapered outer surface structure in the parts such as machine front housing, rear housing, integral ring-shaped casing, traditional diamond-making technique uses knife
Have central axis in tapered outer surface, processing, the party are then rotated around Central of the parts line using rotating part processing or cutter
Process tool contacts part simultaneously using shear blade and side edge in the process of method, causes tool wear serious, cutting parameter is not
Height, processing efficiency are low.
The content of the invention
For casing wimblelike type outer surface structure Milling Machining efficiency in the prior art is low, tool wear is serious etc., numerical control mill adds
Work problem, the technical problem to be solved in the present invention is to provide one kind can improve cutter performance, cutter path of making rational planning for road
Through so as to improve the processing method of the tapered outer surface biasing milling of the casing of part processing efficiency.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of processing method of the tapered outer surface biasing milling of casing of the present invention, comprises the following steps：
Step 1, using UG softwares, carry out working out the tapered outer surface Milling Machining operation of casing；
Step 2, the Milling Machining order and cutter path of the tapered outer surface of casing are planned；
Step 3, the special post processing program of UG softwares is customized；
Step 4, using special post processing program, the G code program that lathe identifies is created.
The Milling Machining of the tapered outer surface of the planning casing is sequentially and cutter path is：
The tapered outer surface of casing is divided into some curved surface areas, each curved surface area is separately as driving body, each curved surface
Region is represented by (U, V) parameter；
The centre position of the single curved surface area of feed point selection, direction of feed are more than with cutting direction angulation θ
90 °, less than 270 °；
For the curved surface area of more cutter tracks processing, the unidirectional processing of cutting direction arrangement, according to chipping allowance, setting layering adds
Work；
The special post processing program of the customization UG softwares is：
Select the double turntable machining centers of five axles, XYZ linear axis, AB worktable rotary axles；
Configured by the post processing program of the Device-General；
To linear mobile and quick mobile module addition self-control processing biasing under Program/Tool Path/Motion
Center cutter line order, preserve post processing program.
The invention has the advantages that and advantage：
1. the present invention is directed to the NC Milling of the tapered outer surface of casing, cutting tool state reasonability is considered, using inclined
Center cutter line is put to tapered outer surface normal distance, improves Tool in Cutting angle, increase side edge cutting scope, reduces shear blade and cut
Cut, so as to reduce tool wear, improve processing efficiency, successfully solve the NC Milling problem of the tapered outer surface of casing.
2. the inventive method is applied in the outer surface Milling Machining of the parts such as forward and backward casing, booster stage stator casing, scene
Using effect is very good, and cutting is stable, improves efficiency more than 30%.
3. with application of the technology on aero-engine casing part, processing method determined by the inventive method has
There is directive significance, quickening Development Schedule for new aero-engine and reduce development cost and have laid a good foundation, from another
One angle is seen, puies forward effect drop originally for aero-engine from now on, applied to production in enormous quantities, the value of creation is bigger.
Brief description of the drawings
Fig. 1 is using the tool position that special post processing program generates in the inventive method；
Fig. 2 is tool-path planning schematic diagram in the inventive method；
Fig. 3 is that UG operating parameters set schematic diagram in the inventive method；
Fig. 4 is the schematic diagram of more cutter track processing in the inventive method；
Fig. 5 is general postprocessing program in the inventive method；
Fig. 6 A are that the interface diagram that center cutter order is biased in special postpositive disposal is worked out in the inventive method；
Fig. 6 B are to bias center cutter command interface diagram in the inventive method in special postpositive disposal；
Fig. 7 is the tool position of existing process technology generation.
Wherein, 1 is casing, and 2 be cutter, and 3 be shear blade, and 4 be side edge, and 5 be acting surface, and 6 be the tapered outer surface of casing,
Embodiment
With reference to Figure of description, the present invention is further elaborated.
The processing method of the tapered outer surface biasing milling of casing of the present invention comprises the following steps：
Step 1, using UG softwares, carry out working out the tapered outer surface Milling Machining operation of casing；
Step 2, the Milling Machining order and cutter path of the tapered outer surface of casing are planned；
Step 3, the special post processing program of UG softwares is customized；
Step 4, using special post processing program, the G code program that lathe identifies is created.
In step 1, the tapered outer surface Milling Machining knife rail of casing is established using UG softwares, the milling operation of generation variable profile is main
Parameter is wanted to be arranged to：Driving method selection curved surface, projection vector selection cutter shaft, cutter shaft rotation are perpendicular to driving body, remaining acquiescence
Parameter, design parameter set as shown in Figure 3.
In step 2, the tapered outer surface of casing is divided into some curved surface areas, each curved surface area separately as driving body,
Each curved surface area represents that the centre position of the single curved surface area of feed point selection, i.e. (a, 50%), a is vertical by (U, V) parameter
To step-length, direction of feed and cutting direction angulation θ ensure between more than 90 ° while less than 270 °, as shown in Figure 2；
For the curved surface area of more cutter tracks processing, the unidirectional processing of cutting direction arrangement, according to chipping allowance, setting layering adds
Work, as shown in Figure 4.
In step 3, the special postpositive disposals of UG are customized, select the double turntable machining centers of five axles, XYZ linear axis, AB workbench
Rotary shaft, configured first by the post processing program of the Device-General, as shown in Figure 5；In Program/Tool Path/
It is as follows to linear mobile and quick mobile module addition self-control processing biasing center cutter line order, processing procedure under Motion：
If current kinetic type motion is feed,
If the value of previous point position X-axis is less than 0, by current point position X values=current point position X values-tool diameter/2；If
The value of previous point position X-axis is more than 0, current point position X values=current point position X values+tool diameter/2；
Export " G1X Y Z "；
Suppress X, Y, Z, the 4th axle；
Force the 5th axle of output；
If current kinetic type is cut for cutting or for the first time, suppress X, Y, Z, the 4th axle；
If current kinetic type is withdrawing or left, suppress X, Y, force output Z, G1；
If current kinetic type is stepping, suppress X, Z, the 4th axle；
If current kinetic type is quick, module is left；
Specifically as shown in Fig. 6 A, 6B, post processing program is preserved.
In step 4, the tool position that is generated using special post processing program, as shown in figure 1, the G of generation lathe identification
Program in machine code.The tool position generated using existing process technology, as shown in Figure 7.
The present invention drives the distance of point by biasing center cutter line and tapered outer surface, realizes that cutter is cut using side edge
Part, improve cutter performance, cutter path of making rational planning for road warp, so as to improve part processing efficiency.
The present invention is on the basis of traditional CNC milling cutter, by the displacement of tangential direction upper offset Tool in Cutting in processing,
Numerical control program is generated using special postpositive disposal, the path of cutter, successfully solves casing outer cone after change of making rational planning for
The low NC Milling problem of Surface Machining efficiency, so as to improve the durable performance of tool sharpening.
Claims (3)
1. a kind of processing method of the tapered outer surface biasing milling of casing, it is characterised in that comprise the following steps：
Step 1, using UG softwares, carry out working out the tapered outer surface Milling Machining operation of casing；
Step 2, the Milling Machining order and cutter path of the tapered outer surface of casing are planned；
Step 3, the special post processing program of UG softwares is customized；
Step 4, using special post processing program, the G code program that lathe identifies is created；
In step 3, the special postpositive disposals of UG are customized, select the double turntable machining centers of five axles, XYZ linear axis, AB worktable rotaries
Axle, configured by the post processing program of the Device-General, to linear mobile and fast under Program/Tool Path/Motion
Fast mobile module addition self-control processing biasing center cutter line order, processing procedure are as follows：
If current kinetic type motion is feed, and it is previous point position X-axis value be less than 0, by current point position X values=currently
Point position X values-tool diameter/2；If the value of previous point position X-axis is more than 0, current point position X values=current point position X values+cutter is straight
Footpath/2；
Export " G1X Y Z "；
Suppress X, Y, Z, the 4th axle；
Force the 5th axle of output；
If current kinetic type is cut for cutting or for the first time, suppress X, Y, Z, the 4th axle；
If current kinetic type is withdrawing or left, suppress X, Y, force output Z, G1；
If current kinetic type is stepping, suppress X, Z, the 4th axle；
If current kinetic type is quick, module is left；
Preserve post processing program.
2. the processing method of the tapered outer surface biasing milling of casing as described in claim 1, it is characterised in that the planning machine
The Milling Machining of the tapered outer surface of casket is sequentially and cutter path is：
The tapered outer surface of casing is divided into some curved surface areas, each curved surface area is separately as driving body, each curved surface area
Represented by (U, V) parameter；
The centre position of the single curved surface area of feed point selection, direction of feed and cutting direction angulation θ be more than 90 °, it is small
In 270 °.
3. the processing method of the tapered outer surface biasing milling of casing as described in claim 2, it is characterised in that：For more cutter tracks
The curved surface area of processing, cutting direction arrange unidirectional processing, according to chipping allowance, setting layering processing.
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| CN201510819485.1A CN105290473B (en) | 2015-11-22 | 2015-11-22 | A kind of processing method of the tapered outer surface biasing milling of casing |
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| CN201510819485.1A CN105290473B (en) | 2015-11-22 | 2015-11-22 | A kind of processing method of the tapered outer surface biasing milling of casing |
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| CN105290473B true CN105290473B (en) | 2018-01-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106293867A (en) * | 2016-08-17 | 2017-01-04 | 庆铃汽车（集团）有限公司 | A kind of post processor automatic division method based on UG NX system and system |
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| CN101767218A (en) * | 2008-12-30 | 2010-07-07 | 沈阳黎明航空发动机(集团)有限责任公司 | Five-axis plunge milling method of aeroengine crankcase |
| CN102085576A (en) * | 2010-12-29 | 2011-06-08 | 沈阳黎明航空发动机(集团)有限责任公司 | Five-axis linkage variable-axis plunge milling numerically controlled processing method for blade part of integral impeller |
| CN103056625A (en) * | 2012-12-29 | 2013-04-24 | 中国人民解放军总参谋部第六十研究所 | Integral impeller 5-axis machining method based on UG NX system platform |
| CN104690490A (en) * | 2015-01-28 | 2015-06-10 | 襄阳华中科技大学先进制造工程研究院 | Double main shaft turning-milling combined machining method for aeroengine case |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8977382B2 (en) * | 2012-05-11 | 2015-03-10 | D.P. Technology Corp. | Automatic method for milling complex channel-shaped cavities |
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| CN101767218A (en) * | 2008-12-30 | 2010-07-07 | 沈阳黎明航空发动机(集团)有限责任公司 | Five-axis plunge milling method of aeroengine crankcase |
| CN102085576A (en) * | 2010-12-29 | 2011-06-08 | 沈阳黎明航空发动机(集团)有限责任公司 | Five-axis linkage variable-axis plunge milling numerically controlled processing method for blade part of integral impeller |
| CN103056625A (en) * | 2012-12-29 | 2013-04-24 | 中国人民解放军总参谋部第六十研究所 | Integral impeller 5-axis machining method based on UG NX system platform |
| CN104690490A (en) * | 2015-01-28 | 2015-06-10 | 襄阳华中科技大学先进制造工程研究院 | Double main shaft turning-milling combined machining method for aeroengine case |
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| 偏心车铣技术在航空发动机机匣加工中的应用;俸跃伟等;《沈阳航空航天大学学报》;20120831;第29卷(第4期);第39-41页 * |
Cited By (1)
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| CN106293867A (en) * | 2016-08-17 | 2017-01-04 | 庆铃汽车（集团）有限公司 | A kind of post processor automatic division method based on UG NX system and system |
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| CN105290473A (en) | 2016-02-03 |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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