CN103846624A - Machining technology of elongated thin-wall C-shaped tubular parts - Google Patents

Machining technology of elongated thin-wall C-shaped tubular parts Download PDF

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Publication number
CN103846624A
CN103846624A CN201310746790.3A CN201310746790A CN103846624A CN 103846624 A CN103846624 A CN 103846624A CN 201310746790 A CN201310746790 A CN 201310746790A CN 103846624 A CN103846624 A CN 103846624A
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thin
machining
wall
tubular member
processing
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CN201310746790.3A
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CN103846624B (en
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方建平
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Zunyi Guizhou Accurate Dynamo-Electric Manufacturing Co Ltd Of Space Of Speeding
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Zunyi Guizhou Accurate Dynamo-Electric Manufacturing Co Ltd Of Space Of Speeding
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The invention discloses a machining technology of elongated thin-wall C-shaped tubular parts and belongs to the technical field of machining precision parts. The machining technology comprises the steps of blanking, hot and cold processing, aging strengthening, rough machining, finish machining and through groove machining, wherein the blanking comprises bar material cutting, the rough machining comprises inner hole drilling and outer circle rough turning, the finish machining comprises outer circle finish turning, inner circle grinding and end surface cutting, the elongated thin-wall C-shaped tubular parts are machined by selecting a bar material, the machining quality and efficiency of the parts can be greatly increased through a concise and practical process route, and the technical difficulties of elongated shaft machining, thin-wall piece machining, deep hole machining, main guide rail groove machining and the like which relate to the elongated thin-wall C-shaped tubular parts can be solved.

Description

A kind of processing technology of thin-wall long and thin C shape tubular member
Technical field
The invention belongs to precision component processing technique field, relate to a kind of processing technology of thin-wall long and thin C shape tubular member.
Background technology
At home in certain aero-engine development, relate to main guide rail groove part, material is 0Cr17Ni7Al, and design of part feature and design parameter require more, draw ratio is larger on the one hand, for 983/30=32.8, on the other hand, deep hole thin-walled, hole depth and aperture ratio are 983/28=35.1, wall thickness is 1mm, and in addition, it is the groove of 13mm that its structure has width vertically.Because this part is domestic processing first, there is no at present ripe technological method for processing, according to domestic prior art, general thinking is for adopting machining moulding after sheet material brake forming, or adopts tubing to carry out machining to obtain part.But, adopt the sheet material brake forming impact due to material bounce-back and sheet material internal stress, be difficult to guarantee designing requirement, and adopt tubing to carry out the section bar of machining without corresponding specification, and tubing is carried out to machining be also difficult to reach designing requirement.
summary of the invention
In order to address the above problem, the invention provides a kind of processing technology of thin-wall long and thin C shape tubular member, for the processing of C shape pipe provides more feasible scheme.
The present invention is achieved by following technical solution.
A processing technology for thin-wall long and thin C shape tubular member, comprises blanking, cold and hot processing and ageing strengthening, roughing, fine finishining and processing groove; Described blanking is cutting bar; Described roughing comprises bores endoporus and rough turn cylindrical; Described fine finishining comprises fine turning outer circle, grinding inner circle and cutting end face;
Specifically comprise the following steps:
A. blanking: select the pole of 0Cr17Ni7Al material, the allowance of the reserved 2~3mm of both ends of the surface and periphery;
B. cold and hot processing and ageing strengthening:
B1. first carry out 1000 ℃~1100 ℃ solution treatment, then at 950 ℃ ± 10 ℃, keep 10min, air cooling is to room temperature;
B2. in 24h, be cooled to-73 ℃ ± 6 ℃ to keep 8h, then after being heated to 510 ℃ ± 10 ℃ maintenance 1h, air cooling arrive room temperature;
C. roughing:
C1. boring: take bar periphery as first benchmark, adopt drill gun to get out endoporus, reserved allowance 0.2~0.3mm;
C2. rough turn cylindrical, reserved allowance 0.3~0.4mm naturally places 48h under normal temperature condition;
D. fine finishining:
D1. fine turning outer circle, guarantees that surface roughness reaches Ra1.6;
D2. grinding removal inner circle allowance to surface roughness reaches Ra1.6;
D3. cut by line or Laser cutting both ends of the surface guarantee that surface roughness reaches Ra3.2;
E. process groove: milling processing groove, guarantees groove width.
Further, in described step c, the special fixture that the fixture that rough turn outer bowlder uses is thin-wall long and thin C shape tubular member.
Further, in described steps d, the fixture using when fine turning outer circle is the special fixture of thin-wall long and thin C shape tubular member.
The invention has the beneficial effects as follows:
The processing technology of a kind of thin-wall long and thin C shape tubular member of the present invention, select the processing thin-walled elongated C shape tubular member of bar, by the process route of simple, crudy and the efficiency of part are greatly improved, overcome the defect that is subject to internal stress influence in thin-walled material forming process, the technological difficulties such as slender axles processing, thin-wall part processing, deep hole machining and the processing of main guide rail groove that thin-wall long and thin C shape tubular member relates to are solved, simultaneously, the frocks such as the special fixture of employing thin-wall long and thin C shape tubular member, tool structure is simple, and part is easy to loading and unloading.
The specific embodiment
The technical scheme that the invention is further illustrated by the following examples, but described in claimed scope is not limited to.
The processing technology of a kind of thin-wall long and thin C shape tubular member of the present invention, comprises blanking, cold and hot processing and ageing strengthening, roughing, fine finishining and processing groove; Described blanking is cutting bar; Described roughing comprises bores endoporus and rough turn cylindrical; Described fine finishining comprises fine turning outer circle, grinding inner circle and cutting end face;
Specifically comprise the following steps:
A. blanking: select the pole of 0Cr17Ni7Al material, the allowance of the reserved 2~3mm of both ends of the surface and periphery;
B. cold and hot processing and ageing strengthening:
B1. first carry out 1000 ℃~1100 ℃ solution treatment, then at 950 ℃ ± 10 ℃, keep 10min, air cooling is to room temperature;
B2. in 24h, be cooled to-73 ℃ ± 6 ℃ to keep 8h, then after being heated to 510 ℃ ± 10 ℃ maintenance 1h, air cooling arrive room temperature;
C. roughing:
C1. boring: take bar periphery as first benchmark, adopt drill gun to get out endoporus, reserved allowance 0.2~0.3mm;
C2. rough turn cylindrical, reserved allowance 0.3~0.4mm naturally places 48h under normal temperature condition;
D. fine finishining:
D1. fine turning outer circle, guarantees that surface roughness reaches Ra1.6;
D2. grinding removal inner circle allowance to surface roughness reaches Ra1.6;
D3. cut by line or Laser cutting both ends of the surface guarantee that surface roughness reaches Ra3.2;
E. process groove: milling processing groove, guarantees groove width.
In the present embodiment, in described step c, the special fixture that the fixture that rough turn outer bowlder uses is thin-wall long and thin C shape tubular member.
In the present embodiment, in described steps d, the fixture using when fine turning outer circle is the special fixture of thin-wall long and thin C shape tubular member.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.

Claims (3)

1. a processing technology for thin-wall long and thin C shape tubular member, is characterized in that: comprise blanking, cold and hot processing and ageing strengthening, roughing, fine finishining and processing groove; Described blanking is cutting bar; Described roughing comprises bores endoporus and rough turn cylindrical; Described fine finishining comprises fine turning outer circle, grinding inner circle and cutting end face;
Specifically comprise the following steps:
A. blanking: select the pole of 0Cr17Ni7Al material, the allowance of the reserved 2~3mm of both ends of the surface and periphery;
B. cold and hot processing and ageing strengthening:
B1. first carry out 1000 ℃~1100 ℃ solution treatment, then at 950 ℃ ± 10 ℃, keep 10min, air cooling is to room temperature;
B2. in 24h, be cooled to-73 ℃ ± 6 ℃ to keep 8h, then after being heated to 510 ℃ ± 10 ℃ maintenance 1h, air cooling arrive room temperature;
C. roughing:
C1. boring: take bar periphery as first benchmark, adopt drill gun to get out endoporus, reserved allowance 0.2~0.3mm;
C2. rough turn cylindrical, reserved allowance 0.3~0.4mm naturally places 48h under normal temperature condition;
D. fine finishining:
D1. fine turning outer circle, guarantees that surface roughness reaches Ra1.6;
D2. grinding removal inner circle allowance to surface roughness reaches Ra1.6;
D3. cut by line or Laser cutting both ends of the surface guarantee that surface roughness reaches Ra3.2;
E. process groove: milling processing groove, guarantees groove width.
2. the processing technology of a kind of thin-wall long and thin C shape tubular member according to claim 1, is characterized in that: in described step c, and the special fixture that the fixture that rough turn outer bowlder uses is thin-wall long and thin C shape tubular member.
3. the processing technology of a kind of thin-wall long and thin C shape tubular member according to claim 1, is characterized in that: in described steps d, the fixture using when fine turning outer circle is the special fixture of thin-wall long and thin C shape tubular member.
CN201310746790.3A 2013-12-30 2013-12-30 A kind of processing technology of thin-wall long and thin C shape tubular member Active CN103846624B (en)

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104289870A (en) * 2014-09-03 2015-01-21 安徽应流机电股份有限公司 Machining process of thin-wall groove milling stainless steel part
CN104384825A (en) * 2014-08-01 2015-03-04 中国人民解放军第五七一九工厂 Machining deformation control method of bushing thin-wall part
CN104588991A (en) * 2014-12-04 2015-05-06 金丰(中国)机械工业有限公司 Machining method for semicircular thin-wall lantern ring matched with shaft
CN104607874A (en) * 2014-12-15 2015-05-13 遵义市遵云制冷配件有限公司 Machining process of ultra-long cylindrical thin-wall part
CN105583493A (en) * 2016-02-29 2016-05-18 上海建工(江苏)钢结构有限公司 Synchronous linkage semiautomatic ring plate cutting machine
CN105750843A (en) * 2016-04-29 2016-07-13 中国原子能科学研究院 Inner hole machining method for molybdenum alloy thin-walled long pipe
CN105880922A (en) * 2014-11-24 2016-08-24 重庆长安工业(集团)有限责任公司 Machining method for extractor groove cathode of gun barrel
CN106181226A (en) * 2015-04-29 2016-12-07 哈尔滨建成集团有限公司 A kind of aspect is than the processing method of thin plate porous part
CN106312462A (en) * 2016-11-02 2017-01-11 贵州航飞精密制造有限公司 Machining technology of extra-long thin-walled parts
CN106514137A (en) * 2016-09-26 2017-03-22 安徽远丰回转支承有限责任公司 Machining process of no-tooth strip blockage rotating support structural part and support
CN107344282A (en) * 2017-07-05 2017-11-14 浙江工贸职业技术学院 A kind of shock absorber suspension ring production technology and its production system
CN110253225A (en) * 2019-07-08 2019-09-20 苏州真懿精密器械有限公司 Tiny thin-wall part product combined machining method
CN110253226A (en) * 2019-07-08 2019-09-20 苏州真懿精密器械有限公司 Micro parts product combined machining method
CN110293371A (en) * 2019-06-20 2019-10-01 苏州真懿精密器械有限公司 Long line footpath is than thin-walled parts turning-milling complex processing method
CN111037216A (en) * 2019-12-06 2020-04-21 深圳市伸展精密科技有限公司 Processing technology of nitrogen spring cylinder barrel
CN111515627A (en) * 2020-04-30 2020-08-11 中国航发哈尔滨东安发动机有限公司 Machining method for spiral retainer ring parts
CN111774820A (en) * 2020-07-29 2020-10-16 上海第一机床厂有限公司 Method for processing ultra-long channel pipe with inner groove
CN112008476A (en) * 2020-08-29 2020-12-01 中国航发南方工业有限公司 Machining deformation control method for thin-wall shaft part

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JP2002103147A (en) * 2000-09-22 2002-04-09 Kawato Tekko Kk Method of manufacturing for hole saw
CN1508278A (en) * 2002-12-20 2004-06-30 中国科学院金属研究所 High temperature alloy tube processing method
CN101418399A (en) * 2007-10-24 2009-04-29 沈阳黎明航空发动机(集团)有限责任公司 Process for producing Gh4648 alloy seamless thin wall pipes
CN101966642A (en) * 2010-08-27 2011-02-09 江苏曙光华阳钻具有限公司 Manufacturing technology of deep-well drill collar
CN103358100A (en) * 2013-07-26 2013-10-23 江南工业集团有限公司 Forging and molding process method for titanium alloy tubular piece
CN103447757A (en) * 2012-06-04 2013-12-18 山迈工程机械(上海)有限公司 Eccentric sleeve machining process

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Publication number Priority date Publication date Assignee Title
JP2002103147A (en) * 2000-09-22 2002-04-09 Kawato Tekko Kk Method of manufacturing for hole saw
CN1508278A (en) * 2002-12-20 2004-06-30 中国科学院金属研究所 High temperature alloy tube processing method
CN101418399A (en) * 2007-10-24 2009-04-29 沈阳黎明航空发动机(集团)有限责任公司 Process for producing Gh4648 alloy seamless thin wall pipes
CN101966642A (en) * 2010-08-27 2011-02-09 江苏曙光华阳钻具有限公司 Manufacturing technology of deep-well drill collar
CN103447757A (en) * 2012-06-04 2013-12-18 山迈工程机械(上海)有限公司 Eccentric sleeve machining process
CN103358100A (en) * 2013-07-26 2013-10-23 江南工业集团有限公司 Forging and molding process method for titanium alloy tubular piece

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384825A (en) * 2014-08-01 2015-03-04 中国人民解放军第五七一九工厂 Machining deformation control method of bushing thin-wall part
CN104384825B (en) * 2014-08-01 2017-02-01 中国人民解放军第五七一九工厂 Machining deformation control method of bushing thin-wall part
CN104289870B (en) * 2014-09-03 2017-01-18 安徽应流机电股份有限公司 Machining process of thin-wall groove milling stainless steel part
CN104289870A (en) * 2014-09-03 2015-01-21 安徽应流机电股份有限公司 Machining process of thin-wall groove milling stainless steel part
CN105880922A (en) * 2014-11-24 2016-08-24 重庆长安工业(集团)有限责任公司 Machining method for extractor groove cathode of gun barrel
CN104588991A (en) * 2014-12-04 2015-05-06 金丰(中国)机械工业有限公司 Machining method for semicircular thin-wall lantern ring matched with shaft
CN104607874A (en) * 2014-12-15 2015-05-13 遵义市遵云制冷配件有限公司 Machining process of ultra-long cylindrical thin-wall part
CN106181226A (en) * 2015-04-29 2016-12-07 哈尔滨建成集团有限公司 A kind of aspect is than the processing method of thin plate porous part
CN105583493A (en) * 2016-02-29 2016-05-18 上海建工(江苏)钢结构有限公司 Synchronous linkage semiautomatic ring plate cutting machine
CN105583493B (en) * 2016-02-29 2018-03-09 上海建工(江苏)钢结构有限公司 The semi-automatic ring flat-plate cutting machine of synchronous interaction
CN105750843A (en) * 2016-04-29 2016-07-13 中国原子能科学研究院 Inner hole machining method for molybdenum alloy thin-walled long pipe
CN105750843B (en) * 2016-04-29 2017-12-26 中国原子能科学研究院 A kind of method for machining bore of molybdenum alloy thin-wall long pipe
CN106514137B (en) * 2016-09-26 2018-11-23 安徽远丰回转支承有限责任公司 A kind of processing technology and bearing of anodontia band blocking pivoting support structure member
CN106514137A (en) * 2016-09-26 2017-03-22 安徽远丰回转支承有限责任公司 Machining process of no-tooth strip blockage rotating support structural part and support
CN106312462A (en) * 2016-11-02 2017-01-11 贵州航飞精密制造有限公司 Machining technology of extra-long thin-walled parts
CN107344282A (en) * 2017-07-05 2017-11-14 浙江工贸职业技术学院 A kind of shock absorber suspension ring production technology and its production system
CN107344282B (en) * 2017-07-05 2019-03-22 浙江工贸职业技术学院 A kind of damper hanging ring production technology and its production system
CN110293371A (en) * 2019-06-20 2019-10-01 苏州真懿精密器械有限公司 Long line footpath is than thin-walled parts turning-milling complex processing method
CN110253225A (en) * 2019-07-08 2019-09-20 苏州真懿精密器械有限公司 Tiny thin-wall part product combined machining method
CN110253226A (en) * 2019-07-08 2019-09-20 苏州真懿精密器械有限公司 Micro parts product combined machining method
CN111037216A (en) * 2019-12-06 2020-04-21 深圳市伸展精密科技有限公司 Processing technology of nitrogen spring cylinder barrel
CN111515627A (en) * 2020-04-30 2020-08-11 中国航发哈尔滨东安发动机有限公司 Machining method for spiral retainer ring parts
CN111774820A (en) * 2020-07-29 2020-10-16 上海第一机床厂有限公司 Method for processing ultra-long channel pipe with inner groove
CN111774820B (en) * 2020-07-29 2022-04-26 上海第一机床厂有限公司 Method for processing ultra-long channel pipe with inner groove
CN112008476A (en) * 2020-08-29 2020-12-01 中国航发南方工业有限公司 Machining deformation control method for thin-wall shaft part
CN112008476B (en) * 2020-08-29 2021-12-14 中国航发南方工业有限公司 Machining deformation control method for thin-wall shaft part

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Denomination of invention: Processing technology of a thin-walled slender C-shaped tubular part

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Granted publication date: 20160330

Pledgee: Guizhou Province Industry and State-owned Enterprises Green Development Fund Co.,Ltd.

Pledgor: GUIZHOU ZUNYI CHI YU PRECISION MACHINERY MANUFACTURING Co.,Ltd.

Registration number: Y2020980004621

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Pledgee: Guizhou Province Industry and State-owned Enterprises Green Development Fund Co.,Ltd.

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Registration number: Y2020980004621

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A kind of processing technology of thin-walled slender C-shaped tubular parts

Effective date of registration: 20220822

Granted publication date: 20160330

Pledgee: Guizhou Industrial Investment Development Co.,Ltd.

Pledgor: GUIZHOU ZUNYI CHI YU PRECISION MACHINERY MANUFACTURING CO.,LTD.

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