CN102489719A - NC (Numerical Control) machining method for oblique end slot of thin-wall workpiece - Google Patents
NC (Numerical Control) machining method for oblique end slot of thin-wall workpiece Download PDFInfo
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- CN102489719A CN102489719A CN2011103638415A CN201110363841A CN102489719A CN 102489719 A CN102489719 A CN 102489719A CN 2011103638415 A CN2011103638415 A CN 2011103638415A CN 201110363841 A CN201110363841 A CN 201110363841A CN 102489719 A CN102489719 A CN 102489719A
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Abstract
The invention provides an NC machining method for an oblique end slot of a thin-wall workpiece. The method comprises the following steps of: firstly, selecting a non-standard NC end slot cutter, specifically: 1, determining the cutting width of the non-standard NC end slot cutter according to the width of the oblique end slot, and 2, determining the geometric shape of the non-standard NC end slot cutter according to the shape of the oblique end slot; and secondly, programming with NC programming software to obtain an NC program, performing contour machining on the oblique end slot with an programmed NC program by using an NC lathe, specifically: 1, regulating the non-standard NC end slot cutter, 2, performing rough machining on the oblique end slot, and 3, performing fine machining on the roughly machined oblique end slot. According to the NC machining method for the oblique end slot provided by the invention, the conventional lathe cutting machining is replaced with the NC machining method, such that the problem of high machining difficulty of thin-walled workpieces caused by easy deformation due to thin walls is solved, the quality of the thin-walled workpieces is ensured, and the machining time is saved at the same time.
Description
Technical field
The present invention relates to aero-engine manufacturing technology field, especially, relate to a kind of numerical-control processing method of splay end groove of thin-wall part.
Background technology
Certain thin-wall part of aero-engine has place's splay end groove, and the small walled of this thin-wall part is 1.1mm.In the process of carrying out the splay end groove, this thin-wall part easy deformation, difficulty of processing is big.
The splay end groove of domestic existing thin-wall part mainly is to adopt engine lathe and universal cutter processing at present.Regular turning tool whenever just can be used for processing all passing through reconditioning, so promptly loses time and influences quality.Owing to be high temperature alloy, it is very big to add man-hour cutting force, and every batch quantity is many, on engine lathe, processes, and working strength of workers is high, easy fatigue, thus influence crudy and speed.Therefore, higher to workman's competency profiling.
Summary of the invention
The object of the invention is to provide a kind of numerical-control processing method of splay end groove of thin-wall part, adopts engine lathe and universal cutter with the splay end groove that solves thin-wall part in the prior art, and long processing time, mismachining tolerance reach the technical problem of processing trouble greatly.
For realizing above-mentioned purpose, according to an aspect of the present invention, a kind of numerical-control processing method of splay end groove of thin-wall part is provided, may further comprise the steps: at first select nonstandard numerical control end slot cutter; Secondly, use numerical control programming software to programme and obtain numerical control program, numerically controlled lathe adopts the numerical control program that weaves that the splay end groove is carried out copying; Wherein select nonstandard numerical control end slot cutter may further comprise the steps: the first step:, to confirm the cutting width of nonstandard numerical control end slot cutter according to the width of the splay end groove of thin-wall part; Second step:, confirm the geometry of nonstandard numerical control end slot cutter according to the shape of splay end groove.
Further, in the splay end groove being processed, may further comprise the steps: the first step: adjust nonstandard numerical control end slot cutter through Digit Control Machine Tool; Second step: the splay end groove is carried out roughing; The 3rd step: to carrying out fine finishining through rough machined splay end groove.
Further, in the step of the nonstandard numerical control end slot cutter of adjustment, at first, nonstandard numerical control end slot cutter is rotated to and the parallel position of said splay end groove; Then, adjust the tool setting point of nonstandard numerical control end slot cutter and splay end groove again.
Further, when carrying out roughing and fine finishining, nonstandard numerical control end slot cutter receive force direction parallel with the angle of splay end groove.
Further, nonstandard numerical control end slot cutter comprises a cutter head, and how much angles of inclination of cutter head are consistent with the angle of inclination of splay end groove.
Further, cutter head comprises the first relative knife face and second knife face, and first knife face and second knife face are the arc surface of outside protrusion; The splay end groove comprises first ring wall surface and second ring wall surface; In the process that the splay end groove is processed, first knife face and second knife face are processed first ring wall surface and second ring wall surface respectively.
Further, the radius of first knife face of cutter head is less than the radius of first ring wall surface of splay end groove; The radius of second knife face of cutter head is greater than the radius of second ring wall surface of splay end groove.
Further, the cutter head that roughing is used is square, and the cutter head that fine finishining is used is sphere.
The present invention has following beneficial effect: the numerical-control processing method of the splay end groove of this thin-wall part provided by the invention; Utilize the method for digital control processing to replace traditional machine cut processing; Solved thin-wall part because of the thin easy deformation of wall; Cause the big problem of difficulty of processing, guarantee the quality of thin-wall part, practiced thrift process time simultaneously.
Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the thin-wall part of the preferred embodiment of the present invention;
Fig. 2 is the splay end groove working state figure of processing thin-walled of the nonstandard numerical control end slot cutter of the preferred embodiment of the present invention; And
Fig. 3 is the flow chart of numerical-control processing method of splay end groove of the thin-wall part of the preferred embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1 and Fig. 2, the numerical-control processing method of the splay end groove of thin-wall part of the present invention is used for the angled end-face groove 11 of processing thin-walled 1 annular.Angled end-face groove 11 comprises first ring wall surface 111 and second ring wall surface 112 of inclination, and this first ring wall surface 111 and second ring wall surface 112 are parallel to each other.This second ring wall surface 112 is the thin-walled 12 of this thin-wall part 1, and the thickness of this thin-walled 12 is 1.1 ± 0.12mm.The angle of inclination of splay end groove 11 is 45 degree.
In conjunction with referring to Fig. 3, the numerical-control processing method of thin-wall part splay end groove specifically may further comprise the steps:
Step S1: at first select nonstandard numerical control end slot cutter 2; Select the detailed process of nonstandard numerical control end slot cutter 2 following:
Step S11: the cutting width of confirming nonstandard numerical control end slot cutter 2.According to the width of splay end groove 11, reasonably confirm nonstandard numerical control end slot cutter 2 cutting widths.In addition, nonstandard numerical control end slot cutter 2 has good wearability and cutting power, and the cutting force of nonstandard like this numerical control end slot cutter 2 is little, and thin-wall part 1 can not produce too big distortion.
Step S12: the geometry of confirming nonstandard numerical control end slot cutter 2.
As shown in Figure 2, nonstandard numerical control end slot cutter 2 comprises cutter head 21, and this cutter head 21 comprises that first knife face 211 and second knife face, 212, the first knife faces 211 and second knife face 212 are the arc surface that outwards protrudes; How much angles of inclination of cutter head 21 are consistent with the angle of inclination of splay end groove 11.When cutting, first knife face 211 of cutter head 21 contacts with first ring wall surface 111 of splay end groove 11, and first knife face, 211 radiuses of cutter head 21 are less than the radius of first ring wall surface 111 of splay end groove 11.Second knife face 212 of cutter head 21 contacts with second ring wall surface 112 of splay end groove 11, and second knife face, 212 radiuses of cutter head 21 are greater than the radius of second ring wall surface 112 of splay end groove 11.
Preferably, this cutter head 21 adopts carbide alloy, and the surface scribbles carbon nitride coatings, adopts the cutter head of this material, can guarantee the wearability of nonstandard numerical control end slot cutter 2, and this cutter head 21 separates with handle of a knife, during tool changing, only needs to change cutter head.
Step S2: use numerical control programming software to programme and obtain numerical control program, numerically controlled lathe adopts the numerical control program that weaves that said splay end groove (11) is carried out copying; Its concrete procedure of processing is following:
Step S21: adjust nonstandard numerical control end slot cutter 2.At first, nonstandard numerical control end slot cutter 2 is rotated to the position parallel with splay end groove 11, so just guarantee nonstandard numerical control end slot cutter 2 when feed, the cutting line of nonstandard numerical control end slot cutter 2 is consistent with the angle of inclination of splay end groove 11; Then, adjust the tool setting point of nonstandard numerical control end slot cutter 2 and splay end groove 11 again, the accuracy when guaranteeing 2 times cuttves of nonstandard numerical control end slot cutter.
Step S22: carry out roughing; Splay end groove 11 is worked into the size of regulation, and keeps certain allowance.Preferably, when carrying out roughing, select for use the nonstandard numerical control end slot cutter 2 of square cutter head 21 to carry out cut.During feed, nonstandard numerical control end slot cutter 2 receive force direction parallel with the angle of splay end groove 11, to reduce the distortion of part.
Step S23: carry out fine finishining; To pass through rough machined splay end groove 11 and carry out fine finishining, and be machined to the size of regulation, and will guarantee the surface roughness of splay end groove 11 sidewalls.Preferably, before carrying out fine finishining, repeat above-mentioned steps S1 and process square cutter head 21 is replaced by spherical cutter head 21.
Preferably, adopt the MASTERCAM9.0 programming, in other embodiments, can adopt other programming software.
Preferably, before above-mentioned startup Digit Control Machine Tool, also carry out below step:
When the size of splay end groove 11 is different; The preceding employing programming software that needs of first part of processing this size carry out profiling; Confirm the cutting line of nonstandard numerical control end slot cutter 2; What guarantee nonstandard numerical control end slot cutter 2 receives force direction parallel with the angle of inclination of splay end groove 11 as far as possible, so also just reduces the distortion of thin-wall part 1.
The numerical-control processing method of the splay end groove of thin-wall part of the present invention replaces traditional machine cut processing; Cutting speed is than very fast; Will lack traditional relatively process time of the time that cutting needs, and adopts the cutter of carbide alloy making, guaranteed the wearability of cutter; Practiced thrift the cost of production and processing, and the quality problems of having avoided human factor to cause.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the numerical-control processing method of the splay end groove of a thin-wall part is characterized in that, may further comprise the steps:
Step S1 selects nonstandard numerical control end slot cutter (2);
Step S2 uses numerical control programming software to programme and obtains numerical control program, and numerically controlled lathe adopts the said numerical control program that weaves that said splay end groove (11) is carried out copying;
Wherein, said step S1 comprises:
Step S11:, confirm the cutting width of said nonstandard numerical control end slot cutter (2) according to the width of said splay end groove (11); With
Step S12:, confirm the geometry of said nonstandard numerical control end slot cutter (2) according to the shape of said splay end groove (11).
2. the numerical-control processing method of the splay end groove of thin-wall part according to claim 1 is characterized in that, said step S2 may further comprise the steps:
Step S21: adjust said nonstandard numerical control end slot cutter (2);
Step S22: said splay end groove (11) is carried out roughing; With
Step S23: to carrying out fine finishining through rough machined said splay end groove (11).
3. the numerical-control processing method of the splay end groove of thin-wall part according to claim 2 is characterized in that, in said step S21, at first, said nonstandard numerical control end slot cutter (2) is rotated to and the parallel position of said splay end groove (11); Then, adjust the tool setting point of said nonstandard numerical control end slot cutter (2) and said splay end groove (11) again.
4. the numerical-control processing method of the splay end groove of thin-wall part according to claim 2 is characterized in that, when carrying out said roughing and said fine finishining, said nonstandard numerical control end slot cutter (2) receive force direction parallel with the angle of said splay end groove (11).
5. the numerical-control processing method of the splay end groove of thin-wall part according to claim 2 is characterized in that, said nonstandard numerical control end slot cutter (2) comprises a cutter head (21), and how much angles of inclination of said cutter head (21) are consistent with the angle of inclination of said splay end groove (11).
6. the numerical-control processing method of the splay end groove of thin-wall part according to claim 5; It is characterized in that; Said cutter head (21) comprises relative first knife face (211) and second knife face (212), and said first knife face (211) and said second knife face (212) are the arc surface of outside protrusion; Said splay end groove (11) comprises first ring wall surface (111) and second ring wall surface (112); In the process that said splay end groove (11) is processed, said first knife face (211) and said second knife face (212) are processed said first ring wall surface (111) and said second ring wall surface (112) respectively.
7. the numerical-control processing method of the splay end groove of thin-wall part according to claim 6 is characterized in that, the radius of first knife face (211) of said cutter head (21) is less than the radius of first ring wall surface (111) of said splay end groove (11); The radius of second knife face (212) of said cutter head (21) is greater than the radius of second ring wall surface (112) of said splay end groove (11).
8. the numerical-control processing method of the splay end groove of thin-wall part according to claim 6 is characterized in that, the said cutter head (21) that said roughing is used is square, and the said cutter head (21) that said fine finishining is used is spherical.
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| CN2011103638415A CN102489719A (en) | 2011-11-16 | 2011-11-16 | NC (Numerical Control) machining method for oblique end slot of thin-wall workpiece |
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| CN2011103638415A CN102489719A (en) | 2011-11-16 | 2011-11-16 | NC (Numerical Control) machining method for oblique end slot of thin-wall workpiece |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317176A (en) * | 2013-07-15 | 2013-09-25 | 中国南方航空工业(集团)有限公司 | Processing method for parts |
| CN104028782A (en) * | 2014-06-06 | 2014-09-10 | 中国南方航空工业(集团)有限公司 | Lathe machining method for end face deep narrow groove in aerial engine crankcase |
| CN104475766A (en) * | 2014-11-10 | 2015-04-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Numerical control finish turning processing method of annular Omega-shaped groove of titanium alloy thin wall disc ring piece |
| CN104741627A (en) * | 2015-03-03 | 2015-07-01 | 长治清华机械厂 | Thin-wall cylinder barrel extruding, filling and steady-stage outer circle machining method |
| CN105328507A (en) * | 2015-11-04 | 2016-02-17 | 上海大众汽车有限公司 | Machining methods for die characteristic lines |
| CN106312158A (en) * | 2016-09-30 | 2017-01-11 | 中国南方航空工业(集团)有限公司 | Chute machining method for inner wall face of case of aero-engine |
| CN106424758A (en) * | 2016-11-25 | 2017-02-22 | 北京动力机械研究所 | Machining method of numerical control lathe |
| CN106623987A (en) * | 2016-12-27 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Precision machining method for deep and narrow groove of flame tube thin-walled part |
| CN108032047A (en) * | 2017-12-19 | 2018-05-15 | 马鞍山市恒泰重工机械有限公司 | A kind of processing installation method of scrap cutter |
| CN108176959A (en) * | 2017-12-19 | 2018-06-19 | 马鞍山市恒泰重工机械有限公司 | A kind of processing method of scrap cutter tool apron |
| CN109500406A (en) * | 2018-12-28 | 2019-03-22 | 贵州凯星液力传动机械有限公司 | A kind of processing method, cutter and the tooling of lip seal circle |
| CN112589132A (en) * | 2020-12-02 | 2021-04-02 | 四川航天长征装备制造有限公司 | Pecker type grooving method for machining end face groove and radial groove |
| CN117483851A (en) * | 2023-12-29 | 2024-02-02 | 成都和鸿科技股份有限公司 | Machining feed method for annular thin-wall part |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317176A (en) * | 2013-07-15 | 2013-09-25 | 中国南方航空工业(集团)有限公司 | Processing method for parts |
| CN104028782A (en) * | 2014-06-06 | 2014-09-10 | 中国南方航空工业(集团)有限公司 | Lathe machining method for end face deep narrow groove in aerial engine crankcase |
| CN104475766A (en) * | 2014-11-10 | 2015-04-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Numerical control finish turning processing method of annular Omega-shaped groove of titanium alloy thin wall disc ring piece |
| CN104741627A (en) * | 2015-03-03 | 2015-07-01 | 长治清华机械厂 | Thin-wall cylinder barrel extruding, filling and steady-stage outer circle machining method |
| CN105328507A (en) * | 2015-11-04 | 2016-02-17 | 上海大众汽车有限公司 | Machining methods for die characteristic lines |
| CN106312158A (en) * | 2016-09-30 | 2017-01-11 | 中国南方航空工业(集团)有限公司 | Chute machining method for inner wall face of case of aero-engine |
| CN106312158B (en) * | 2016-09-30 | 2019-02-26 | 中国南方航空工业(集团)有限公司 | The skewed slot processing method of casing inner wall for aero-engine |
| CN106424758B (en) * | 2016-11-25 | 2018-10-26 | 北京动力机械研究所 | A kind of processing method of numerical control lathe |
| CN106424758A (en) * | 2016-11-25 | 2017-02-22 | 北京动力机械研究所 | Machining method of numerical control lathe |
| CN106623987A (en) * | 2016-12-27 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Precision machining method for deep and narrow groove of flame tube thin-walled part |
| CN108032047A (en) * | 2017-12-19 | 2018-05-15 | 马鞍山市恒泰重工机械有限公司 | A kind of processing installation method of scrap cutter |
| CN108176959A (en) * | 2017-12-19 | 2018-06-19 | 马鞍山市恒泰重工机械有限公司 | A kind of processing method of scrap cutter tool apron |
| CN108176959B (en) * | 2017-12-19 | 2019-07-02 | 马鞍山市恒泰重工机械有限公司 | A kind of processing method of scrap cutter tool apron |
| CN108032047B (en) * | 2017-12-19 | 2019-07-19 | 马鞍山市恒泰重工机械有限公司 | A kind of processing installation method of scrap cutter |
| CN109500406A (en) * | 2018-12-28 | 2019-03-22 | 贵州凯星液力传动机械有限公司 | A kind of processing method, cutter and the tooling of lip seal circle |
| CN109500406B (en) * | 2018-12-28 | 2020-08-11 | 贵州凯星液力传动机械有限公司 | Method for processing lip type sealing ring |
| CN112589132A (en) * | 2020-12-02 | 2021-04-02 | 四川航天长征装备制造有限公司 | Pecker type grooving method for machining end face groove and radial groove |
| CN117483851A (en) * | 2023-12-29 | 2024-02-02 | 成都和鸿科技股份有限公司 | Machining feed method for annular thin-wall part |
| CN117483851B (en) * | 2023-12-29 | 2024-04-30 | 成都和鸿科技股份有限公司 | Machining feed method for annular thin-wall part |
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Application publication date: 20120613 |