CN104002109B - The processing method of the dark narrow annular groove on a kind of step end face of multidiameter - Google Patents
The processing method of the dark narrow annular groove on a kind of step end face of multidiameter Download PDFInfo
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- CN104002109B CN104002109B CN201410266298.0A CN201410266298A CN104002109B CN 104002109 B CN104002109 B CN 104002109B CN 201410266298 A CN201410266298 A CN 201410266298A CN 104002109 B CN104002109 B CN 104002109B
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- cutter
- annular groove
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- cutter head
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- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 59
- 238000007514 turning Methods 0.000 claims abstract description 11
- 238000003801 milling Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention discloses the processing method of the dark narrow annular groove on a kind of step end face of multidiameter, method, comprise the steps: that (1) cuts out the annular groove of a sidewall band step with positive cutting knife on the step end face of workpiece; (2) first cut with anti-cutter the step that flat previous step produces, then anti-cutter is deepened feeding further and is cut out another side annular groove with the level; (3) select positive cutting knife, change anti-cutter, first cut with positive cutting knife the step that flat previous step produces, then positive cutting knife is deepened feeding further and is cut out annular groove with the level with previous step opposite sides; (4) step (2) and (3) are repeated successively until the annular groove degree of depth reaches projected depth-projected depth allowance; In described step (1-4), the foundation width of annular groove is design width-design width allowance; (5) finish turning; (6) polish.The present invention had both ensured, for cutting knife has enough intensity, not interfere again, thus make depth of cut dark with workpiece.
Description
Technical field
The present invention relates to the processing method of the dark narrow annular groove on a kind of step end face of multidiameter.
Background technology
Current hydropower industry has caused attention both domestic and external, water power occupies extremely important status in energy development history, support the sustainable development of economic society, and in hydraulic turbine structure, the most important thing is turbine shaft, at present with regard to domestic and international turbine shaft, great majority are multidiameters, the step end face of axle body there is dark narrow annular groove, for equipment manufacture, this annular groove is dark because groove is narrow, is difficult to processing, utilizes the dark narrow annular groove process technical difficulty of horizontal lathe processing large, operation requirements is high, needs special equipment and technological means.Adopt traditional diamond-making technique difficulty of processing large, consuming time long, manpower, financial resources expend also larger, also do not process too dark, be worked at most 300mm dark, in the complete pit of slot machining, institute's processing step that stays is many, be difficult to the roughness requirements ensureing groove, the difficult quality guarantee of groove.
Summary of the invention
The technical problem to be solved in the present invention is: the processing method providing the dark narrow annular groove on a kind of step end face processing the dark multidiameter of the annular groove degree of depth.
In order to solve the problems of the technologies described above, the processing method of the dark narrow annular groove on the step end face of multidiameter of the present invention, comprises the steps:
(1) clamping workpiece is fixed on lathe chuck, select positive cutting knife, positive cutting knife is upper side or downside is plane, side relative with described plane on positive cutting knife is step surface, positive cutting knife progressively strengthens from cutter head to the spacing of handle of a knife end upper and lower sides, cuts out the annular groove of a sidewall band step with positive cutting knife on the step end face of workpiece;
(2) select anti-cutter, change positive cutting knife, the structure of anti-cutter is identical with the structure after the mirror image up and down of positive cutting knife, and first cut with anti-cutter the step that flat previous step produces, then anti-cutter is deepened feeding further and cut out another side annular groove with the level;
(3) select positive cutting knife, change anti-cutter, first cut with positive cutting knife the step that flat previous step produces, then positive cutting knife is deepened feeding further and is cut out annular groove with the level with previous step opposite sides;
(4) step (2) and (3) are repeated successively until the annular groove degree of depth reaches projected depth-projected depth allowance; In described step (1-4), the foundation width of annular groove is design width-design width allowance;
(5) finish turning: adopt and strengthen lathe tool, reinforcement lathe tool comprises arc and adds long-cutter holder, cutter head installing handle and cutter head, and it is arc that arc adds long-cutter holder, and cutter head installing handle is bolted on the front end that arc adds long-cutter holder, and cutter head is fixed on cutter head installing handle; Cutter head stretches out extrados or the intrados that arc adds long-cutter holder, by changing cutter head towards, the whole inner surface of finish turning annular groove;
(6) polish: the arc be fixed on by milling tools described in step (5) adds the front end of long-cutter holder, the whole inner surface of polishing annular groove.
The processing method of the dark narrow annular groove on the step end face of the another kind of multidiameter of the present invention, comprises the steps:
(1) clamping workpiece is fixed on lathe chuck, select positive cutting knife, positive cutting knife comprises handle of a knife and cutter head, cutter head is fixed on the front end of handle of a knife, the upper side of handle of a knife is concordant with cutter head upper side, the downside of handle of a knife is the step surface progressively declined based on cutter head downside, and with positive cutting knife, on the step end face of workpiece, cut out inwall be circular hole face outer wall is the annular groove of step surface;
(2) select anti-cutter, change positive cutting knife, the structure of anti-cutter is identical with the structure after the mirror image up and down of positive cutting knife, and first cut with anti-cutter the step that flat previous step produces, then the further feeding of anti-cutter cuts out outer wall be circular hole face inwall is the annular groove of step surface;
(3) select positive cutting knife, change anti-cutter, first cut with positive cutting knife the step that flat previous step produces, then the positive further feeding of cutting knife is cutting out inwall be circular hole face outer wall is the annular groove of step surface;
(4) step (2) and (3) are repeated successively until the annular groove degree of depth reaches projected depth-projected depth allowance; In described step (1-4), the foundation width of annular groove is design width-design width allowance;
(5) finish turning: adopt and strengthen lathe tool, reinforcement lathe tool comprises arc and adds long-cutter holder, cutter head installing handle and cutter head, and it is arc that arc adds long-cutter holder, and cutter head installing handle is bolted on the front end that arc adds long-cutter holder, and cutter head is fixed on cutter head installing handle; Cutter head stretches out extrados or the intrados that arc adds long-cutter holder, by changing cutter head towards, the whole inner surface of finish turning annular groove;
(6) polish: the arc be fixed on by milling tools described in step (5) adds the front end of long-cutter holder, the whole inner surface of polishing annular groove.
In order to obtain good processing effect, described annular groove projected depth is 400-500mm, projected depth allowance 8-12mm, design width is 60-70mm, the monolateral allowance of design width is 2-4mm, the long 750mm of positive cutting knife, wide 35mm and high 80mm, the thickness that arc adds long-cutter holder is 25mm, length is 650mm and height 280mm, and the cutter head strengthening lathe tool is long 115mm, wide 36mm and high 36mm.
The invention has the beneficial effects as follows: the present invention replaces progressively car fraising by adopting positive anti-cutter, due to the special structure of positive anti-cutter, has both ensured, for cutting knife has enough intensity, not interfere again, thus make depth of cut dark with workpiece.When fine finishining, handle of a knife adopts special structure, makes the cross section of handle of a knife enough large, has enough intensity, do not interfere again with workpiece.Thus make fine finishining not stay dead angle.Thus guarantee to process darker deep hole annular groove.Process velocity is fast, and working (machining) efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the positive cutting knife that the present invention uses;
Fig. 2 is the structural representation of the anti-cutter that the present invention uses;
Fig. 3 is the structural representation of the reinforcement lathe tool that the present invention uses;
Fig. 4 is the right view of part 3 in Fig. 3;
Fig. 5 be in Fig. 3 A to partial illustrations;
Fig. 6-Figure 10 is the machining sketch chart that the present invention uses multiple work steps of positive cutting knife or anti-cutter;
Figure 11 is that the present invention uses the machining sketch chart strengthening lathe tool;
Figure 12 is the shaping workpiece figure of the present invention;
In figure: 1, cutter head, 2, handle of a knife, 3, arc adds long-cutter holder, 4, hole for hoist, 5, bolt, 6, cutter head installing handle, 7, cutter head, 8, lathe chuck, 9, workpiece, 10, annular groove, 11, step end face, 12, positive cutting knife, 13, anti-cutter, 14, strengthen lathe tool.
Detailed description of the invention
The processing method of the dark narrow annular groove on the step end face of a kind of multidiameter as shown in figs 6-12, comprises the steps:
(1) workpiece 9 clamping is fixed on lathe chuck 8, select positive cutting knife 12, as shown in Figure 1, positive cutting knife 12 comprises handle of a knife 2 and cutter head 1, cutter head 1 is fixed on the front end of handle of a knife 2, the upper side of handle of a knife 2 is concordant with cutter head 1 upper side, and the downside of handle of a knife 2 is the step surfaces progressively declined based on cutter head 1 downside.As shown in Figure 6, with positive cutting knife 12, on the step end face 11 of workpiece 9, cut out inwall be circular hole face outer wall is the annular groove 10 of step surface.
(2) anti-cutter 13 is selected, change positive cutting knife 12, as shown in Figure 2, the structure of anti-cutter 13 is identical with the structure after the mirror image up and down of positive cutting knife 12, as shown in Figure 7, first cut with anti-cutter 13 step that flat previous step produces, as shown in Figure 8, the annular groove 10 of then the further feeding of anti-cutter cuts out outer wall to be circular hole face inwall be step surface.
(3) as shown in Figure 9, select positive cutting knife 12, change anti-cutter 13, first cut with positive cutting knife 12 step that flat previous step produces, as shown in Figure 10, the then annular groove 10 of positive cutting knife 12 feeding is cutting out inwall to be further circular hole face outer wall be step surface.
(4) step (2) and (3) are repeated successively until annular groove 10 degree of depth reaches projected depth-projected depth allowance; In described step (1-4), the foundation width of annular groove 10 is design width-design width allowance; Foundation width refers to the width of the straight trough except band step part.
(5) finish turning: adopt and strengthen lathe tool 14, as shown in Fig. 3, Fig. 4 and Fig. 5, reinforcement lathe tool 14 comprises arc and adds long-cutter holder 3, cutter head installing handle 6 and cutter head 7, arc adds long-cutter holder 3 for arc, cutter head installing handle 6 is fixed on by bolt 5 front end that arc adds long-cutter holder 3, and cutter head 7 is fixed on cutter head installing handle 6; Cutter head 7 stretches out extrados or the intrados that arc adds long-cutter holder 3, by changing cutter head 7 towards, the whole inner surface (as shown in figure 11) of finish turning annular groove 10; Conveniently lift, arc adds on long-cutter holder 3 and is designed with hole for hoist 4.
(6) polish: the arc be fixed on by milling tools described in step (5) adds the front end of long-cutter holder 3, the whole inner surface of polishing annular groove 10, shaping workpiece as shown in figure 12.Can be on the birch that tightly wraps up of sand paper by milling tools.
Annular groove 10 projected depth is 400-500mm, projected depth allowance 8-12mm, design width is 60-70mm, the monolateral allowance of design width is 2-4mm, the long 750mm of positive cutting knife, wide 35mm and high 80mm, the thickness that arc adds long-cutter holder is 25mm, length is 650mm and height 280mm, and the cutter head strengthening lathe tool is long 115mm, wide 36mm and high 36mm.The present invention is not limited to the concrete data of this section.
Claims (3)
1. a processing method for the dark narrow annular groove on the step end face of multidiameter, is characterized in that: comprise the steps:
(1) clamping workpiece is fixed on lathe chuck, select positive cutting knife, positive cutting knife is upper side or downside is plane, side relative with described plane on positive cutting knife is step surface, positive cutting knife progressively strengthens from cutter head to the spacing of handle of a knife end upper and lower sides, cuts out the annular groove of a sidewall band step with positive cutting knife on the step end face of workpiece;
(2) select anti-cutter, change positive cutting knife, the structure of anti-cutter is identical with the structure after the mirror image up and down of positive cutting knife, and first cut with anti-cutter the step that flat previous step produces, then anti-cutter is deepened feeding further and cut out another side annular groove with the level;
(3) select positive cutting knife, change anti-cutter, first cut with positive cutting knife the step that flat previous step produces, then positive cutting knife is deepened feeding further and is cut out annular groove with the level with previous step opposite sides;
(4) step (2) and (3) are repeated successively until the annular groove degree of depth reaches projected depth-projected depth allowance; In described step (1) to step (4), the foundation width of annular groove is design width-design width allowance;
(5) finish turning: adopt and strengthen lathe tool, reinforcement lathe tool comprises arc and adds long-cutter holder, cutter head installing handle and cutter head, and it is arc that arc adds long-cutter holder, and cutter head installing handle is bolted on the front end that arc adds long-cutter holder, and cutter head is fixed on cutter head installing handle; Cutter head stretches out extrados or the intrados that arc adds long-cutter holder, by changing cutter head towards, the whole inner surface of finish turning annular groove;
(6) polish: the arc be fixed on by milling tools described in step (5) adds the front end of long-cutter holder, the whole inner surface of polishing annular groove.
2. a processing method for the dark narrow annular groove on the step end face of multidiameter, is characterized in that: comprise the steps:
(1) clamping workpiece is fixed on lathe chuck, select positive cutting knife, positive cutting knife comprises handle of a knife and cutter head, cutter head is fixed on the front end of handle of a knife, the upper side of handle of a knife is concordant with cutter head upper side, the downside of handle of a knife is the step surface progressively declined based on cutter head downside, and with positive cutting knife, on the step end face of workpiece, cut out inwall be circular hole face outer wall is the annular groove of step surface;
(2) select anti-cutter, change positive cutting knife, the structure of anti-cutter is identical with the structure after the mirror image up and down of positive cutting knife, and first cut with anti-cutter the step that flat previous step produces, then the further feeding of anti-cutter cuts out outer wall be circular hole face inwall is the annular groove of step surface;
(3) select positive cutting knife, change anti-cutter, first cut with positive cutting knife the step that flat previous step produces, then the positive further feeding of cutting knife is cutting out inwall be circular hole face outer wall is the annular groove of step surface;
(4) step (2) and (3) are repeated successively until the annular groove degree of depth reaches projected depth-projected depth allowance; In described step (1) to step (4), the foundation width of annular groove is design width-design width allowance;
(5) finish turning: adopt and strengthen lathe tool, reinforcement lathe tool comprises arc and adds long-cutter holder, cutter head installing handle and cutter head, and it is arc that arc adds long-cutter holder, and cutter head installing handle is bolted on the front end that arc adds long-cutter holder, and cutter head is fixed on cutter head installing handle; Cutter head stretches out extrados or the intrados that arc adds long-cutter holder, by changing cutter head towards, the whole inner surface of finish turning annular groove;
(6) polish: the arc be fixed on by milling tools described in step (5) adds the front end of long-cutter holder, the whole inner surface of polishing annular groove.
3. processing method according to claim 2, it is characterized in that: described annular groove projected depth is 400-500mm, projected depth allowance 8-12mm, design width is 60-70mm, the monolateral allowance of design width is 2-4mm, the long 750mm of positive cutting knife, wide 35mm and high 80mm, the thickness that arc adds long-cutter holder is 25mm, length is 650mm and height 280mm, and the cutter head strengthening lathe tool is long 115mm, wide 36mm and high 36mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410266298.0A CN104002109B (en) | 2014-06-16 | 2014-06-16 | The processing method of the dark narrow annular groove on a kind of step end face of multidiameter |
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| CN201410266298.0A CN104002109B (en) | 2014-06-16 | 2014-06-16 | The processing method of the dark narrow annular groove on a kind of step end face of multidiameter |
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| CN104002109B true CN104002109B (en) | 2016-04-20 |
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| CN105479099A (en) * | 2015-12-23 | 2016-04-13 | 常熟市淼泉压缩机配件有限公司 | Improved technology for machining deep groove parts by numerically-controlled lathe |
| CN112008100A (en) * | 2020-08-29 | 2020-12-01 | 中国航发南方工业有限公司 | Annular end face groove machining tool |
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| US7637010B2 (en) * | 2005-12-01 | 2009-12-29 | General Electric Company | Methods for machining turbine engine components |
| CN101537509B (en) * | 2008-03-19 | 2010-12-15 | 中煤张家口煤矿机械有限责任公司 | Method and tool for machining step deep holes |
| CN201693221U (en) * | 2010-04-15 | 2011-01-05 | 吉林大学 | Depth-adjustable counterboring tool |
| CN103464967A (en) * | 2013-09-10 | 2013-12-25 | 崔严 | Method for manufacturing deep hole |
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Denomination of invention: Method for machining deep narrow annular groove in step end face of stepped shaft Effective date of registration: 20190227 Granted publication date: 20160420 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: 2019990000162 |
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Date of cancellation: 20210304 Granted publication date: 20160420 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: 2019990000162 |
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Denomination of invention: A processing method of deep narrow ring groove on step end face of step shaft Effective date of registration: 20210304 Granted publication date: 20160420 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: Y2021990000216 |
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Date of cancellation: 20230320 Granted publication date: 20160420 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: Y2021990000216 |
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Denomination of invention: A machining method for deep and narrow ring grooves on the step end face of a stepped shaft Effective date of registration: 20230323 Granted publication date: 20160420 Pledgee: Yucheng Branch of Agricultural Bank of China Ltd. Pledgor: TONGYU HEAVY INDUSTRY Co.,Ltd. Registration number: Y2023980035948 |