CN103846624A - Machining technology of elongated thin-wall C-shaped tubular parts - Google Patents
Machining technology of elongated thin-wall C-shaped tubular parts Download PDFInfo
- 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
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- tubular member
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- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000003754 machining Methods 0.000 title abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 230000032683 aging Effects 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000005728 strengthening Methods 0.000 claims abstract description 7
- 230000003746 surface roughness Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000003698 laser cutting Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
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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
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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310746790.3A CN103846624B (en) | 2013-12-30 | 2013-12-30 | A kind of processing technology of thin-wall long and thin C shape tubular member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310746790.3A CN103846624B (en) | 2013-12-30 | 2013-12-30 | A kind of processing technology of thin-wall long and thin C shape tubular member |
Publications (2)
| Publication Number | Publication Date |
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| CN103846624A true CN103846624A (en) | 2014-06-11 |
| CN103846624B CN103846624B (en) | 2016-03-30 |
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| CN201310746790.3A Active CN103846624B (en) | 2013-12-30 | 2013-12-30 | A kind of processing technology of thin-wall long and thin C shape tubular member |
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Cited By (18)
| 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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Cited By (26)
| 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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| CN103846624B (en) | 2016-03-30 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Processing technology of a thin-walled slender C-shaped tubular part Effective date of registration: 20200731 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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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220817 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 |
|
| 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. Registration number: Y2022520000039 |