CN102717231A - Process for machining sleeve with key - Google Patents
Process for machining sleeve with key Download PDFInfo
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- CN102717231A CN102717231A CN2012101666383A CN201210166638A CN102717231A CN 102717231 A CN102717231 A CN 102717231A CN 2012101666383 A CN2012101666383 A CN 2012101666383A CN 201210166638 A CN201210166638 A CN 201210166638A CN 102717231 A CN102717231 A CN 102717231A
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- key
- grinding
- oil groove
- allowance
- machining
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Abstract
The invention discloses a process for machining a sleeve with a key. The process comprises blank manufacturing, rough machining, heat treatment, finish machining and phosphating, wherein according to the blank manufacturing process, a blank is manufactured by cold extruding; the rough machining process comprises the following steps of: turning the total blank, planning an axial oil groove, milling circular arcs at two ends of the key and milling two end face oil grooves; according to the heat treatment process, carburizing and quenching is adopted; and the finish machining process comprises the following steps of: grinding an inner hole, grinding an excircle, grinding end faces and grinding the key. According to the process for machining the sleeve with the key, the blank is machined by the cold extruding, processes are a few, the machining efficiency is high, the range of reserved machining allowance at each position of the blank can be reached, the subsequent machining difficulty is reduced, the utilization rate of materials is improved, and the production cost is saved.
Description
Technical field
The present invention relates to a kind of cover parts processing technology, relate in particular to a kind of band key cover processing technology.
Background technology
Band key cover is a kind ofly to be used for axle is connected with gear on the gear machining apparatus outer wall and to be provided with the lining that key, inwall are provided with axial oil groove, is generally one machine-shaping, and the band key of prior art overlaps in the processing technology; Adopt turning processing base, need carry out face work and turning, normalized treatment then; Operation is many; And turning is with turning to key end face and reserve certain allowance and be as the criterion, and can't be machined to the lining cylindrical, forms big allowance; Make not only that following process difficulty is big, operation is many, cost is high, and stock utilization is low.
Therefore, need be in addition perfect to existing band key cover processing technology, reduce the following process difficulty, improve stock utilization, save production cost.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of band key cover processing technology, can reduce the following process difficulty, improve stock utilization, save production cost.
Band key cover processing technology of the present invention comprises base, roughing, heat treatment, fine finishining and phosphatization processing; Said base is the cold extrusion base; Said roughing comprises turning length overall, planing axial oil groove, milling key two ends circular arc and milling both ends of the surface oil groove; Said heat treatment is carburizing and quenching; Said fine finishining comprises mill endoporus, cylindrical grinding, face grinding and mill key;
Specifically may further comprise the steps:
A. base: cold extrusion shaped through press, inside and outside circle is reserved 0.4 ~ 0.5mm allowance, monolateral reservation 0.2 ~ 0.25 allowance of key;
B. roughing:
B1. rough turn processing both ends of the surface, length overall is reserved allowance 0.2 ~ 0.3mm;
B2. be positioned at endoporus processed axial oil groove;
B3. milling key two ends circular arc;
B4. be positioned at both ends of the surface Milling Process end face oil groove;
C. heat treatment: carburizing and quenching, case hardness reaches HRC58-63, layer depth 0.5-2mm;
D. fine finishining:
D1. circle allowance to surface roughness reached Ra1.6 in grinding was removed;
D2. grinding removal cylindrical allowance to surface roughness reaches Ra1.6;
D3. grinding both ends of the surface removal length overall allowance to surface roughness reaches Ra1.6;
D4. the monolateral allowance of grinding removal key reaches Ra12.5 to key end face roughness, and key side roughness reaches Ra6.3;
E. phosphatization is handled, and phosphatization thickness is not more than 0.01mm.
The axial oil groove notch seamed edge fillet of falling R1.6 when further, being positioned at endoporus processed axial oil groove among the said step b; The end face oil groove notch seamed edge fillet of falling R1.6 when being positioned at both ends of the surface Milling Process end face oil groove;
Further, be benchmark during cylindrical grinding in the said steps d with interior circle, cylindrical beating degree tolerance is controlled in the 0.01mm.
The invention has the beneficial effects as follows: band key cover processing technology of the present invention, through cold extrusion processing base, operation is few, and working (machining) efficiency is high, can reach blank and reserve the allowance scope everywhere, reduces the following process difficulty, improves stock utilization, saves production cost.
The specific embodiment
The band key cover processing technology of present embodiment comprises base, roughing, heat treatment, fine finishining and phosphatization processing; Said base is the cold extrusion base; Said roughing comprises turning length overall, planing axial oil groove, milling key two ends circular arc and milling both ends of the surface oil groove; Said heat treatment is carburizing and quenching; Said fine finishining comprises mill endoporus, cylindrical grinding, face grinding and mill key;
Specifically may further comprise the steps:
A. base: cold extrusion shaped through press, inside and outside circle is reserved 0.4 ~ 0.5mm allowance, monolateral reservation 0.2 ~ 0.25 allowance of key;
B. roughing:
B1. rough turn processing both ends of the surface, length overall is reserved allowance 0.2 ~ 0.3mm;
B2. be positioned at endoporus processed axial oil groove;
B3. milling key two ends circular arc;
B4. be positioned at both ends of the surface Milling Process end face oil groove;
C. heat treatment: carburizing and quenching, case hardness reaches HRC58-63, layer depth 0.5-2mm;
D. fine finishining:
D1. circle allowance to surface roughness reached Ra1.6 in grinding was removed;
D2. grinding removal cylindrical allowance to surface roughness reaches Ra1.6;
D3. grinding both ends of the surface removal length overall allowance to surface roughness reaches Ra1.6;
D4. the monolateral allowance of grinding removal key reaches Ra12.5 to key end face roughness, and key side roughness reaches Ra6.3;
E. phosphatization is handled, and phosphatization thickness is not more than 0.01mm.
In the present embodiment, the axial oil groove notch seamed edge fillet of falling R1.6 when being positioned at endoporus processed axial oil groove among the said step b; The end face oil groove notch seamed edge fillet of falling R1.6 when being positioned at both ends of the surface Milling Process end face oil groove.
In the present embodiment, be benchmark with interior circle during cylindrical grinding in the said steps d, cylindrical beating degree tolerance is controlled in the 0.01mm.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. a band key cover processing technology is characterized in that: comprise base, roughing, heat treatment, fine finishining and phosphatization processing; Said base is the cold extrusion base; Said roughing comprises turning length overall, planing axial oil groove, milling key two ends circular arc and milling both ends of the surface oil groove; Said heat treatment is carburizing and quenching; Said fine finishining comprises mill endoporus, cylindrical grinding, face grinding and mill key;
Specifically may further comprise the steps:
A. base: cold extrusion shaped through press, inside and outside circle is reserved 0.4～0.5mm allowance, monolateral reservation 0.2～0.25 allowance of key;
B. roughing:
B1. rough turn processing both ends of the surface, length overall is reserved allowance 0.2～0.3mm;
B2. be positioned at endoporus processed axial oil groove;
B3. milling key two ends circular arc;
B4. be positioned at both ends of the surface Milling Process end face oil groove;
C. heat treatment: carburizing and quenching, case hardness reach HRC58～63, layer depth 0.5～2mm;
D. fine finishining:
D1. circle allowance to surface roughness reached Ra1.6 in grinding was removed;
D2. grinding removal cylindrical allowance to surface roughness reaches Ra1.6;
D3. grinding both ends of the surface removal length overall allowance to surface roughness reaches Ra1.6;
D4. the monolateral allowance of grinding removal key reaches Ra12.5 to key end face roughness, and key side roughness reaches Ra6.3;
E. phosphatization is handled, and phosphatization thickness is not more than 0.01mm.
2. band key cover processing technology according to claim 1 is characterized in that: the axial oil groove notch seamed edge fillet of falling R1.6 when being positioned at endoporus processed axial oil groove among the said step b; The end face oil groove notch seamed edge fillet of falling R1.6 when being positioned at both ends of the surface Milling Process end face oil groove.
3. band key according to claim 1 cover processing technology is characterized in that: be benchmark with interior circle during cylindrical grinding in the said steps d, cylindrical beating degree tolerance is controlled in the 0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210166638.3A CN102717231B (en) | 2012-05-25 | 2012-05-25 | Process for machining sleeve with key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210166638.3A CN102717231B (en) | 2012-05-25 | 2012-05-25 | Process for machining sleeve with key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102717231A true CN102717231A (en) | 2012-10-10 |
| CN102717231B CN102717231B (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210166638.3A Expired - Fee Related CN102717231B (en) | 2012-05-25 | 2012-05-25 | Process for machining sleeve with key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102717231B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273277A (en) * | 2013-06-14 | 2013-09-04 | 沈阳飞机工业（集团）有限公司 | Method for machining regulating ring part |
| CN103862237A (en) * | 2014-03-11 | 2014-06-18 | 宁波固远管件有限公司 | Small square sleeve step-by-step cold extrusion process |
| CN109420879A (en) * | 2017-08-22 | 2019-03-05 | 徐州徐工履带底盘有限公司 | A kind of crawler belt guide processing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201077A (en) * | 1998-06-15 | 1998-12-09 | 许红喜 | Method for producing shaft sleeve by tetrachronium 13 bar material |
| US7347075B2 (en) * | 2002-11-12 | 2008-03-25 | Amafa Service S.R.L. | Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods |
| CN201047401Y (en) * | 2007-06-18 | 2008-04-16 | 四川绵阳德鑫机械有限公司 | Cold extrusion formed type vehicle steering transmission gear 12 teeth telescopic hub splines pipe |
| CN201047402Y (en) * | 2007-06-18 | 2008-04-16 | 四川绵阳德鑫机械有限公司 | Cold extrusion formed type vehicle steering transmission gear 4 teeth telescopic hub splines pipe |
| TWI322064B (en) * | 2006-12-08 | 2010-03-21 | Leo Shih | Method of manufacturing tool with outer peripheral teeth |
| CN102359492A (en) * | 2011-10-19 | 2012-02-22 | 台州科锦轴承有限公司 | Shaft sleeve |
-
2012
- 2012-05-25 CN CN201210166638.3A patent/CN102717231B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201077A (en) * | 1998-06-15 | 1998-12-09 | 许红喜 | Method for producing shaft sleeve by tetrachronium 13 bar material |
| US7347075B2 (en) * | 2002-11-12 | 2008-03-25 | Amafa Service S.R.L. | Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods |
| TWI322064B (en) * | 2006-12-08 | 2010-03-21 | Leo Shih | Method of manufacturing tool with outer peripheral teeth |
| CN201047401Y (en) * | 2007-06-18 | 2008-04-16 | 四川绵阳德鑫机械有限公司 | Cold extrusion formed type vehicle steering transmission gear 12 teeth telescopic hub splines pipe |
| CN201047402Y (en) * | 2007-06-18 | 2008-04-16 | 四川绵阳德鑫机械有限公司 | Cold extrusion formed type vehicle steering transmission gear 4 teeth telescopic hub splines pipe |
| CN102359492A (en) * | 2011-10-19 | 2012-02-22 | 台州科锦轴承有限公司 | Shaft sleeve |
Non-Patent Citations (1)
| Title |
|---|
| 李志浩: "自制带键套备件", 《机械制造》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273277A (en) * | 2013-06-14 | 2013-09-04 | 沈阳飞机工业（集团）有限公司 | Method for machining regulating ring part |
| CN103273277B (en) * | 2013-06-14 | 2015-10-14 | 沈阳飞机工业（集团）有限公司 | A kind of processing method of adjustable ring part |
| CN103862237A (en) * | 2014-03-11 | 2014-06-18 | 宁波固远管件有限公司 | Small square sleeve step-by-step cold extrusion process |
| CN103862237B (en) * | 2014-03-11 | 2016-08-17 | 宁波固远管件有限公司 | A kind of little four square set multiple step format cold-extrusion technologies |
| CN109420879A (en) * | 2017-08-22 | 2019-03-05 | 徐州徐工履带底盘有限公司 | A kind of crawler belt guide processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102717231B (en) | 2015-06-03 |
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