CN103659493A - Method for machining end face outer circle of step sleeve part - Google Patents
Method for machining end face outer circle of step sleeve part Download PDFInfo
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- CN103659493A CN103659493A CN201210319013.6A CN201210319013A CN103659493A CN 103659493 A CN103659493 A CN 103659493A CN 201210319013 A CN201210319013 A CN 201210319013A CN 103659493 A CN103659493 A CN 103659493A
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- emery wheel
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- grinding wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
Abstract
Provided is a method for machining the end face outer circle of a step sleeve part. The method includes the following steps that A, the tip portion of a grinder grinding wheel makes contact with the middle part of a part step R, and the step begins to be cut and ground; B, cutter feeding is carried out on the grinding wheel along the X axis, and when the outer circle generatrix of the grinding wheel is in contact with the outer circle generatrix of the part, cutter feeding is stopped; C, cutter feeding begins to be conducted on the part along the Z axis, a certain margin is cut when the part arrives at the step end face of the step, and cutter feeding is stopped; D, cutter feeding continues to be conducted on the grinding wheel along the X axis, and the size of the grinding wheel and the size of the outer circle meet the technological requirement when the grinding wheel arrives at the step end face of the part; E, the X axis and the Z axis are in linkage; F, after machining is completed, the grinding wheel returns to the original position along the X axis, then cutter retreating is conducted on the part along the Z axis, and when a cutter retreats to the position, 3-5mm away from the outer end face of the part to the outer side end face, of the grinding wheel, cutter retreating is conducted on the grinding wheel along the X axis. By the adoption of the method, the repairing and maintaining interval of the grinding wheel can be prolonged, and the machining precision of the part is effectively improved.
Description
Technical field
The invention belongs to field of machining, especially a kind of end face cylindrical machining process of step cover parts.A kind of end face cylindrical machining process of step cover parts of carbide alloy material particularly.
Background technology
For " the end face cylindrical of step cover parts " grinding method, be moulding cut-in manner at present, the Wang Xiankui publishing as 2008 Nian06Yue China Machine Press edits the grinding separate edition > > of < < mechanical processing technique handbook and the Li Baimin that China Machine Press 1996 publishes, " the end face cylindrical of step cover parts " grinding method that Zhao Bo shows the books such as the practical grinding technique > of < < > and data introduction is all to adopt forming grinding wheel crush grinding mode, concrete as Fig. 1-5, shown in Figure 15.Step cover parts (only illustrates half-sectional view) as shown in Figure 1, 2, and the end face 1 of unprocessed part and step 2 roots between periphery 3 have a fillet R.Emery wheel 5(Fig. 3,4, the 5th wherein for grinding part shown in Figure 15, Fig. 3, Fig. 4, Fig. 5, partial view), comprise outside end face 10 and periphery 8, and the grinding tip forming between periphery and outside end face.When to part outer grinding, emery wheel first puts cross grinding in place,, first the surplus grinding at step R place complete (as Fig. 3), regrinds and cuts cylindrical (as Fig. 4).Shape after part grinding puts in place as shown in Figure 2.So just cause other position of consumption rate cylindrical of emery wheel tip to consume many, process after several products, the shape of emery wheel tip just becomes arcuate shape 9(as Fig. 5 by the right angle before processing), if now emery wheel is not repaired, the fillet R that processes product will be overproof.Therefore adopt the consumption of this kind of grinding method emery wheel large, 3 of every processing will be repaired emery wheel No. one time.Particularly bowlder outside the end face of Pattern In Grinding Cemented Carbide step cover parts, adopts skive, and diamond finishing is the thing that part bothers very much, and every finishing once needs 5-6 minute, has seriously reduced production efficiency.For the high product of precision, as fillet, R is less than or equal to 0.7mm in addition, cylindrical cylindricity 0.003mm.End face flatness 0.015mm.Its cylindricity of existing processing method, end face flatness do not reach requirement at all, and the R of end face and cylindrical junction is easy out-of-size scope also.
Summary of the invention
A kind of end face Excircle machining method that the object of this invention is to provide step cover parts.Adopt the inventive method, processing plane precision is high, and crushing is long interval time.
In concrete solution of the present invention, describe as follows:
The tip of A, grinder wheel of the present invention first touches part step root fillet R mid portion, and emery wheel rotation, starts to cut step.
B, emery wheel are along X-axis feed, and when the cylindrical bus of emery wheel contacts with part outer bus, X-axis stops feed.
C, part start feed along Z axis, Z axis and horizontal direction parallel.Excise certain surplus to step end face, Z axis stops feed.
D, emery wheel continue feed along X-axis, meet technological requirement to part end face and excircle dimension grinding.
E, X, Z-axis linkage, emery wheel, along the reciprocal feed of X-axis and part along the reciprocal feed of Z axis, is covered one and is taken turns machined surface, X-axis withdrawing, and then get back to original place (position of emery wheel when D step finishes).This step reciprocation cycle, this process is for improving the end face of step and the roughness of periphery and flatness.
When F, emery wheel are got back to original place along X-axis, part starts withdrawing along Z axis again, and when the outer face distance of outside end face distance part that retreats to emery wheel is during for 3-5 millimeter place, emery wheel is along X-axis withdrawing.During conventionally along Z axis withdrawing, can retreat to emery wheel and depart from part completely, but such withdrawing mode, emery wheel is nearer apart from the outer face of part, the contact area of emery wheel and part is less, and grinding force is larger, easily causes the distortion of part machined surface, for the high part of required precision, the axiality of periphery can be affected.Adopt the improved procedure of this step, will effectively overcome this defect.
Grinding method after above-mentioned improvement be cut, grinding method that longitudinal grinding and interlock combine, tip grinding ratio in the past, in grinding, the outside end face of emery wheel tip and periphery and the grinding of part even contact, the end face of emery wheel is consistent with periphery consumption, after part grinding completes, emery wheel can keep the angular shape of tip preferably, can in emery wheel tip, not form very soon an arcuate shape, conventionally can, after tens parts of grinding, just need to repair a die.
Accompanying drawing explanation
Fig. 1 is the partial schematic diagram of step cover parts to be processed.
Fig. 2 is the part schematic diagram after Fig. 1 processes.
Fig. 3 is prior art grinding medium plain emery wheel procedure of processing schematic diagram.
Fig. 4 is prior art grinding medium plain emery wheel procedure of processing schematic diagram.
Fig. 5 is the structural representation after grinding-wheel grinder processing.
Fig. 6 is that the present invention processes A step schematic diagram.
Fig. 7 is Fig. 6 A portion enlarged diagram.
Fig. 8 is that the present invention processes B step schematic diagram.
Fig. 9 is that the present invention processes C step schematic diagram.
Figure 10 is that the present invention processes D step schematic diagram.
Figure 11 is that the present invention processes E step schematic diagram.
Figure 12 is that the present invention processes F step schematic diagram.
Figure 13 is the partial schematic sectional view of the present invention's part to be processed.
Figure 14 is grinding wheel structure schematic diagram of the present invention.
Figure 15 is the grinding wheel structure schematic diagram of prior art.
Figure 16 is Figure 14 B portion enlarged diagram.
Figure 17 is emery wheel assembling schematic diagram of the present invention.
Speed and cutting force decomposing schematic representation when Figure 18 is emery wheel processing of the present invention.
Speed decomposing schematic representation when Figure 19 is emery wheel processing of the present invention.
Figure 20 is that emery wheel of the present invention adds cutting force decomposing schematic representation in man-hour.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of invention only limits to following embodiment.
A, part to be processed as shown in figure 13, comprise inner side end 1, outside end face 8, periphery 3.Between periphery 3 and inner side end 1, form step 2.
Processing grinding wheel is as shown in Figure 14 and 16, and its periphery becomes 30 degree oblique angle c with horizontal plane, and abrasive wheel end face and periphery have an inclined-plane b, and inclined-plane b is vertical with inclined-plane c.
As Figure 17,18, emery wheel 5 is assemblied on the main shaft 12 of X-axis workbench 11,13 one-tenth 30 degree angles of the axis direction of main shaft and horizontal plane direction, and processed part 4 is along moving with the Z-direction of horizontal direction parallel.X-axis becomes the angle of 60 degree with Z axis.When emery wheel removes grinding part 4 along X-axis with certain speed V and certain grinding force F, speed V and grinding force F can resolve into horizontal direction be Z-direction and vertical Z to two component velocity V1, V2 and component F1, F2, see Figure 19 and Figure 20.
The tip of B, emery wheel 5 first touches part 4 step root fillet R mid portions, and emery wheel rotation, starts to cut step.(as Fig. 6, Fig. 7)
Emery wheel is along X-axis feed, and when the cylindrical bus 7 of emery wheel contacts with part outer bus 6, X-axis stops feed.As shown in Figure 8.
C, part start feed along Z axis, and Z axis is horizontal direction.To the surplus of step end face excision 3-5 silk, Z axis stops feed.As shown in Figure 9.
D, emery wheel continue feed along X-axis, meet technological requirement to part end face and excircle dimension grinding.As shown in figure 10.
E, X, Z-axis linkage, emery wheel, along the reciprocal feed of X-axis and part along the reciprocal feed of Z axis, is covered one and is taken turns machined surface, X-axis withdrawing, and then get back to original place (position of emery wheel when D step finishes) (as Figure 11).This step reciprocation cycle three times.This process is for improving the end face of step and the roughness of periphery and flatness.
When F, emery wheel are got back to original place along X-axis, part starts withdrawing along Z axis again, and when retreating to the outer face of the outside end face distance part of emery wheel and be 3-5 millimeter place apart from a (as Figure 12), emery wheel is along X-axis withdrawing, and now whole part end face and Excircle machining complete.
Adopt the emery wheel of special processing and the end face cylindrical of grinding method abrasive product of the present invention, after grinding, the cylindrical cylindricity of product has reached 0.003mm, the flatness of end face has reached 0.003 mm, the R of cylindrical and step end face junction is less than 0.5 mm, the finishing number of times of skive is by an emery wheel of 3 finishings of original every processing, bring up to an emery wheel of 30 finishings of every processing, working (machining) efficiency has improved more than 30%.
Above-mentioned part processing adopts MK1620 numerically control grinder.The program of this product of grinding is as follows:
| N1 M96 P0005 ； |
| N2 IF [#502 LT #503 ] GOTO 7 ； |
| N3 M98 P9000 L#505 ； |
| N4 G01 G91 G94 Z2 F500 ； |
| N5 G01 G90 G94 X#550 F2000 ； |
| N6 Z#561 ； |
| N7 M60 ； |
| N8 M83 ； |
| N9 M09 ； |
| N10 #530=#510+10 ； |
| N11 #531=#511+#514 ； |
| ∕N12 M03 S300 ； |
| ∕N13 M08 ； |
| N14 M40 ； |
| N15 G01 G90 G94 X0 F3000 ； |
| N16 M41 ； |
| N17 G90 G01 G94 Z[#531+0.15] ； |
| N18 M40 ； |
| N19 G01 G90 G94 X#530 ； |
| N20 G91 G01 G94 X-9.3 F500 ； |
| N21 X-0.3 F5 ； |
| N22 X-0.25 F1 ； |
| N23 X-015 F0.4 ； |
| N24 M41 ； |
| N25 G01 G91 G94 Z-0.13 F0.4 ； |
| N26 M40 ； |
| ∕N27 M70 ； |
| ∕N28 G31 P2 X-0.8 F0.3 ； |
| ∕N29 G31 P3 X-0.3 F0.2 ； |
| ∕N30 G31 P4 X-0.2 F0.1 ； |
| ∕N31 M75 ； |
| N32 M41 ； |
| N33 G01 G91 G94 X4 F20 ； |
| N34 G01 G91 G94 X-0.39 F30 ； |
| N35 G01 G91 G94 X-0.1 F0.5 ； |
| N36 G04 X1 ； |
| N37 G01 G91 G94 Z10 F55 ； |
| N38 M40 ； |
| N39 G01 G91 G94 X2 F200 ； |
| N40 G01 G91 G94 X#550 F3500 ； |
| N41 M41 ； |
| N42 M09 ； |
| N43 M05 ； |
| N44 #502=#502+1 ； |
| N45 M97 ； |
| N46 M30 ； |
In the situation that not departing from spirit of the present invention and essential characteristic, the present invention can be embodied as other concrete forms.Therefore example of the present invention can be thought and is all illustratives in all respects and do not have restrictive; the scope that is better than above-mentioned description by the indicated scope of the invention of the claim of adding, so all changes within culvert within it and claim equivalent scope are all included among its scope required for protection.
Claims (1)
1. an end face Excircle machining method for step cover parts, is characterized in that: comprise the steps:
The tip of A, grinder wheel first touches part step root fillet R mid portion, starts emery wheel rotation, starts to cut step;
B, emery wheel are along X-axis feed, and when the cylindrical bus of emery wheel contacts with part outer bus, X-axis stops feed;
C, part start feed along Z axis, Z axis and horizontal direction parallel; To the surplus of step end face excision 3-5 silk, Z axis stops feed;
D, emery wheel continue feed along X-axis, meet technological requirement to part end face and excircle dimension grinding;
E, X, Z-axis linkage, emery wheel, along the reciprocal feed of X-axis and part along the reciprocal feed of Z axis, is covered one and is taken turns machined surface, X-axis withdrawing, and then get back to original place, the position of emery wheel when D step finishes; Repeat this step;
F, grinding finish, and when emery wheel is got back to original place along X-axis, part starts withdrawing along Z axis again, and when end face distance part outer face, the outside distance that retreats to emery wheel is during for 3-5 millimeter place, emery wheel is along X-axis withdrawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319013.6A CN103659493B (en) | 2012-08-31 | 2012-08-31 | The angle head cylindrical processing method of step cover parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319013.6A CN103659493B (en) | 2012-08-31 | 2012-08-31 | The angle head cylindrical processing method of step cover parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103659493A true CN103659493A (en) | 2014-03-26 |
| CN103659493B CN103659493B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210319013.6A Active CN103659493B (en) | 2012-08-31 | 2012-08-31 | The angle head cylindrical processing method of step cover parts |
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| Country | Link |
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| CN (1) | CN103659493B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994668A (en) * | 2018-08-28 | 2018-12-14 | 海目星激光智能装备（江苏）有限公司 | A kind of grinding method of pedestal right-angle surface and parallel surface |
| CN113977430A (en) * | 2021-11-30 | 2022-01-28 | 中国航发中传机械有限公司 | Grinding processing method of double-abrasive grinding wheel |
| CN114131438A (en) * | 2021-12-13 | 2022-03-04 | 烟台安信精密机械有限公司 | Small excircle machining process for flange plate type parts |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4205488A (en) * | 1977-02-18 | 1980-06-03 | The Warner & Swasey Company | Grinding machine |
| US4337599A (en) * | 1979-04-03 | 1982-07-06 | Toyoda Koki Kabushiki Kaisha | Method of shoulder grinding |
| JPS5959343A (en) * | 1982-09-25 | 1984-04-05 | Mitsubishi Heavy Ind Ltd | Method for setting origin in cylinder grinding machine |
| JPS6161754A (en) * | 1984-08-29 | 1986-03-29 | Toyoda Mach Works Ltd | Grinding method using angular grinding wheel |
| US4615149A (en) * | 1984-05-23 | 1986-10-07 | Toyoda Koki Kabushiki Kaisha | Feed control apparatus for grinding machine |
| US4619083A (en) * | 1984-03-19 | 1986-10-28 | Toyoda Koki Kabushiki Kaisha | Grinding method of rounded annular corner on workpiece |
| JPS63212466A (en) * | 1987-02-27 | 1988-09-05 | Mitsubishi Heavy Ind Ltd | Grinding method for numerically controlled cylindrical grinder |
| US4773187A (en) * | 1986-03-28 | 1988-09-27 | Toyoda Koki Kabushiki Kaisha | Numerically controlled grinding machine |
| EP0477732A1 (en) * | 1990-09-28 | 1992-04-01 | Toyoda Koki Kabushiki Kaisha | Method and machine for grinding |
| JPH0584648A (en) * | 1991-09-24 | 1993-04-06 | Toyoda Mach Works Ltd | Grinding method |
| US20050095961A1 (en) * | 1999-01-03 | 2005-05-05 | Michael Laycock | Angle head grinding apparatus |
| JP2011131320A (en) * | 2009-12-24 | 2011-07-07 | Jtekt Corp | Grinding program, automatic grinding program, and cylindrical grinding machine |
-
2012
- 2012-08-31 CN CN201210319013.6A patent/CN103659493B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4205488A (en) * | 1977-02-18 | 1980-06-03 | The Warner & Swasey Company | Grinding machine |
| US4337599A (en) * | 1979-04-03 | 1982-07-06 | Toyoda Koki Kabushiki Kaisha | Method of shoulder grinding |
| JPS5959343A (en) * | 1982-09-25 | 1984-04-05 | Mitsubishi Heavy Ind Ltd | Method for setting origin in cylinder grinding machine |
| US4619083A (en) * | 1984-03-19 | 1986-10-28 | Toyoda Koki Kabushiki Kaisha | Grinding method of rounded annular corner on workpiece |
| US4615149A (en) * | 1984-05-23 | 1986-10-07 | Toyoda Koki Kabushiki Kaisha | Feed control apparatus for grinding machine |
| JPS6161754A (en) * | 1984-08-29 | 1986-03-29 | Toyoda Mach Works Ltd | Grinding method using angular grinding wheel |
| US4773187A (en) * | 1986-03-28 | 1988-09-27 | Toyoda Koki Kabushiki Kaisha | Numerically controlled grinding machine |
| JPS63212466A (en) * | 1987-02-27 | 1988-09-05 | Mitsubishi Heavy Ind Ltd | Grinding method for numerically controlled cylindrical grinder |
| EP0477732A1 (en) * | 1990-09-28 | 1992-04-01 | Toyoda Koki Kabushiki Kaisha | Method and machine for grinding |
| JPH0584648A (en) * | 1991-09-24 | 1993-04-06 | Toyoda Mach Works Ltd | Grinding method |
| US20050095961A1 (en) * | 1999-01-03 | 2005-05-05 | Michael Laycock | Angle head grinding apparatus |
| JP2011131320A (en) * | 2009-12-24 | 2011-07-07 | Jtekt Corp | Grinding program, automatic grinding program, and cylindrical grinding machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994668A (en) * | 2018-08-28 | 2018-12-14 | 海目星激光智能装备（江苏）有限公司 | A kind of grinding method of pedestal right-angle surface and parallel surface |
| CN113977430A (en) * | 2021-11-30 | 2022-01-28 | 中国航发中传机械有限公司 | Grinding processing method of double-abrasive grinding wheel |
| CN114131438A (en) * | 2021-12-13 | 2022-03-04 | 烟台安信精密机械有限公司 | Small excircle machining process for flange plate type parts |
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| Publication number | Publication date |
|---|---|
| CN103659493B (en) | 2015-11-11 |
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