CN110193703A - A kind of high-precision processing method of connecting shaft - Google Patents

A kind of high-precision processing method of connecting shaft Download PDF

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Publication number
CN110193703A
CN110193703A CN201910530892.9A CN201910530892A CN110193703A CN 110193703 A CN110193703 A CN 110193703A CN 201910530892 A CN201910530892 A CN 201910530892A CN 110193703 A CN110193703 A CN 110193703A
Authority
CN
China
Prior art keywords
shaft
hole
precision processing
turning
processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910530892.9A
Other languages
Chinese (zh)
Inventor
姜秀英
李辉
张学泳
孙盛丽
魏成双
岳云淼
叶云青
刘剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Turbine Co Ltd
Original Assignee
Harbin Turbine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Turbine Co Ltd filed Critical Harbin Turbine Co Ltd
Priority to CN201910530892.9A priority Critical patent/CN110193703A/en
Publication of CN110193703A publication Critical patent/CN110193703A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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

A kind of high-precision processing method of connecting shaft, it is related to a kind of connecting shaft processing method.The problem of present invention solves existing connecting shaft processing method there are the coaxial low precision of connecting hole, influences the service life and operating accuracy of component.Step 1: axis blank clamping will be connected on horizontal lathe, turning connecting shaft outer circle, centre bore and both ends of the surface;Step 2: carrying out modifier treatment to the connecting shaft after turning in step 1;Step 3: by the connecting shaft clamping after modifier treatment in step 2 on horizontal lathe, smart car connecting shaft outer circle, smart car connecting shaft both ends of the surface;Using the central through hole of positive turning cutting tool processing connecting shaft, connecting shaft right end inner hole is processed, guarantee connecting shaft right end diameter of bore is φ 40mm;Under same clamping station, connecting shaft left end inner hole is processed using anti-turning cutting tool, guarantee connecting shaft left end diameter of bore is φ 40mm;Step 4: pincers worker bores tapping female bore in the left and right end face of connecting shaft.The present invention is for processing connecting shaft.

Description

A kind of high-precision processing method of connecting shaft
Technical field
The present invention relates to a kind of high-precision processing methods of connecting shaft.
Background technique
Connecting shaft is a connecting component of welding equipment, and 40 hole φ of left and right ends is connecting hole, and connecting shaft design is wanted Concentricity 0.02mm is sought, using one end finishing working drawing, centering circle end face is then turned over, finishes another side opening again, the processing After mode is processed, the coaxial low precision of the connecting hole at both ends influences the service life and operating accuracy of component.
To sum up, using the existing coaxial low precision of connecting shaft processing method connecting hole, the service life and work of component are influenced Make precision.
Summary of the invention
The present invention is that there are the coaxial low precisions of connecting hole for the existing connecting shaft processing method of solution, and influence component uses the longevity The problem of life and operating accuracy, and then provide a kind of high-precision processing method of connecting shaft.
The technical solution adopted by the present invention to solve the above technical problem is:
A kind of high-precision processing method of connecting shaft is realized according to following steps:
Step 1: lathe turning:
Axis blank clamping will be connected on horizontal lathe, turning connecting shaft outer circle, centre bore and both ends of the surface, outer circle, center Through-hole and the equal single side of both ends of the surface high-volume 3mm;
Step 2: modifier treatment:
Modifier treatment is carried out to the connecting shaft after turning in step 1;
Step 3: smart car connecting shaft:
By the connecting shaft clamping after modifier treatment in step 2 on horizontal lathe, smart car connecting shaft outer circle, smart car connection Axis both ends of the surface;
Using the central through hole of positive turning cutting tool processing connecting shaft, connecting shaft right end inner hole is processed, guarantees connecting shaft right end Diameter of bore is φ 40mm;
Under same clamping station, connecting shaft left end inner hole is processed using anti-turning cutting tool, guarantees connecting shaft left end inner hole Diameter is φ 40mm;
Step 4: boring tapping female bore:
Pincers worker bores tapping female bore in the left and right end face of connecting shaft, along the circumferential direction uniformly processes four on every end face of connecting shaft A threaded hole, each sharp edge is blunt, printing figure number mark.
In one embodiment, connecting shaft is heat-treated to HRC31-35 in step 2.
In one embodiment, the concentricity of connecting shaft right end inner hole and connecting shaft left end inner hole reaches in step 3 Within 0.02mm.
In one embodiment, the size of threaded hole is M8 in step 4.
In one embodiment, guarantee that connecting shaft outside diameter is φ 80mm in step 3.
In one embodiment, guarantee that connection shaft length is 100mm in step 3.
In one embodiment, the diameter for guaranteeing central through hole in step 3 is φ 30mm.
Compared with the prior art, the invention has the following beneficial effects:
The high-precision processing method of connecting shaft of the invention successively uses positive turning, anti-turning under same clamping station Tool sharpening connecting shaft both ends inner hole, has been effectively ensured the coaxial precision of connecting shaft both ends inner hole, and the concentricity of both ends inner hole reaches To within 0.02mm, the machining accuracy of connection shaft member is greatly improved, so that the service life of connection shaft member is extended, The service life of connection shaft member improves 30% or more.
Detailed description of the invention
Fig. 1 is right using positive turning cutting tool processing connecting shaft in the high-precision process steps three of connecting shaft of the invention Hold inner hole schematic diagram;
Fig. 2 is left using anti-turning cutting tool processing connecting shaft in the high-precision process steps three of connecting shaft of the invention Hold inner hole schematic diagram;
Fig. 3 is the main sectional view of connecting shaft of the invention;
Fig. 4 is the left view of Fig. 3.
Specific embodiment
Specific embodiment 1: as shown in figures 1-4, the high-precision processing method of connecting shaft described in present embodiment be by Following steps realize:
Step 1: lathe turning:
Axis blank clamping will be connected on horizontal lathe, turning connecting shaft outer circle, centre bore and both ends of the surface, outer circle, center Through-hole and the equal single side of both ends of the surface high-volume 3mm;
Step 2: modifier treatment:
Modifier treatment is carried out to the connecting shaft after turning in step 1;
Step 3: smart car connecting shaft:
By the connecting shaft clamping after modifier treatment in step 2 on horizontal lathe, smart car connecting shaft outer circle, smart car connection Axis both ends of the surface;
Using the central through hole of positive turning cutting tool processing connecting shaft, connecting shaft right end inner hole is processed, guarantees connecting shaft right end Diameter of bore is φ 40mm;
Under same clamping station, connecting shaft left end inner hole is processed using anti-turning cutting tool, guarantees connecting shaft left end inner hole Diameter is φ 40mm;
Step 4: boring tapping female bore:
Pincers worker bores tapping female bore in the left and right end face of connecting shaft, along the circumferential direction uniformly processes four on every end face of connecting shaft A threaded hole, each sharp edge is blunt, printing figure number mark.
Specific embodiment 2: connecting shaft is heat-treated to HRC31-35 in present embodiment step 2.So operation is adjusted Matter processing can make the performance of connecting shaft, and the material of connecting shaft is significantly adjusted, intensity, plasticity and toughness all compared with It is good, there is good comprehensive mechanical performance;Workpiece hardness can be increased, the service life of couple-extended shaft guarantees that connecting shaft makes With indeformable in the process.
Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 3: in present embodiment step 3 connecting shaft right end inner hole and connecting shaft left end inner hole it is coaxial Degree reaches within 0.02mm.The machining accuracy of connection shaft member is greatly improved, to extend connection axle portion in so operation The service life of part.
Other compositions and connection relationship are the same as one or two specific embodiments.
Specific embodiment 4: the size of threaded hole is M8 in present embodiment step 4.Connecting shaft is convenient in so operation Connection.
Other compositions and connection relationship are the same as the specific implementation mode 3.
Specific embodiment 5: guaranteeing that connecting shaft outside diameter is φ 80mm in present embodiment step 3.So operation, Connecting shaft outer circle can be made to reach required precision.
Other compositions and connection relationship are the same as the specific implementation mode 1,2 or 4.
Specific embodiment 6: guaranteeing that connection shaft length is 100mm in present embodiment step 3.So operation, can be with So that the length of connecting shaft reaches required precision.
Other compositions and connection relationship are identical as specific embodiment five.
Specific embodiment 7: guaranteeing that the diameter of central through hole is φ 30mm in present embodiment step 3.So operation, The central through hole of connecting shaft can be made to reach required precision.
Other compositions and connection relationship and specific embodiment one, two, four or six are identical.

Claims (7)

1. a kind of high-precision processing method of connecting shaft, it is characterised in that the high-precision processing method of the connecting shaft be according to What lower step was realized:
Step 1: lathe turning:
Axis blank clamping will be connected on horizontal lathe, turning connecting shaft outer circle, centre bore and both ends of the surface, outer circle, central through hole With the equal single side of both ends of the surface high-volume 3mm;
Step 2: modifier treatment:
Modifier treatment is carried out to the connecting shaft after turning in step 1;
Step 3: smart car connecting shaft:
By the connecting shaft clamping after modifier treatment in step 2 on horizontal lathe, smart car connecting shaft outer circle, smart car connecting shaft two End face;
Using the central through hole of positive turning cutting tool processing connecting shaft, connecting shaft right end inner hole is processed, guarantees connecting shaft right end inner hole Diameter is φ 40mm;
Under same clamping station, connecting shaft left end inner hole is processed using anti-turning cutting tool, guarantees connecting shaft left end diameter of bore For φ 40mm;
Step 4: boring tapping female bore:
Pincers worker bores tapping female bore in the left and right end face of connecting shaft, along the circumferential direction uniformly processes four spiral shells on every end face of connecting shaft Pit, each sharp edge is blunt, printing figure number mark.
2. the high-precision processing method of connecting shaft according to claim 1, it is characterised in that by connecting shaft heat in step 2 It handles to HRC31-35.
3. the high-precision processing method of connecting shaft according to claim 1 or 2, it is characterised in that connecting shaft is right in step 3 The concentricity of end inner hole and connecting shaft left end inner hole reaches within 0.02mm.
4. the high-precision processing method of connecting shaft according to claim 3, it is characterised in that the ruler of threaded hole in step 4 Very little is M8.
5. the high-precision processing method of connecting shaft according to claim 1,2 or 4, it is characterised in that guarantee to connect in step 3 Spindle outside diameter is φ 80mm.
6. the high-precision processing method of connecting shaft according to claim 5, it is characterised in that guarantee connecting shaft in step 3 Length is 100mm.
7. according to claim 1, the high-precision processing method of connecting shaft described in 2,4 or 6, it is characterised in that guarantee in step 3 The diameter of central through hole is φ 30mm.
CN201910530892.9A 2019-06-19 2019-06-19 A kind of high-precision processing method of connecting shaft Withdrawn CN110193703A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910530892.9A CN110193703A (en) 2019-06-19 2019-06-19 A kind of high-precision processing method of connecting shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910530892.9A CN110193703A (en) 2019-06-19 2019-06-19 A kind of high-precision processing method of connecting shaft

Publications (1)

Publication Number Publication Date
CN110193703A true CN110193703A (en) 2019-09-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910530892.9A Withdrawn CN110193703A (en) 2019-06-19 2019-06-19 A kind of high-precision processing method of connecting shaft

Country Status (1)

Country Link
CN (1) CN110193703A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002239847A (en) * 2001-02-16 2002-08-28 Seiko Epson Corp Machining method of tool for molding component, and tool for molding component manufactured using the machining method
DE10346075A1 (en) * 2003-10-04 2005-04-21 Bosch Gmbh Robert Method of machining a guide section of inner bore in a nozzle body of fuel injection valve, involves making an inner bore by drilling or turning, with grinding pin being fed into a section of inner bore
CN102179677A (en) * 2011-05-27 2011-09-14 大连滨城活塞制造有限公司 Processing process of piston cylinder sleeve
CN102371468A (en) * 2010-08-08 2012-03-14 朱国萍 Process for machining thin-wall air cylinder sleeve
CN102588426A (en) * 2012-03-20 2012-07-18 中冶南方工程技术有限公司 Cold-rolling flying shear synchronous connection shaft device and manufacture method
CN103659158A (en) * 2013-12-05 2014-03-26 重庆跃进机械厂有限公司 Method for machining ultrathin wall sleeve parts
CN103692152A (en) * 2013-09-17 2014-04-02 马鞍山市益华液压机具有限公司 Manufacturing method for withdrawing sleeve
CN106312484A (en) * 2016-11-17 2017-01-11 陕西高华知本化工科技有限公司 Double drive ring machining method
CN106694963A (en) * 2017-01-24 2017-05-24 威海伯特利萨克迪汽车安全系统有限公司 Stepped boring and drilling composite tool and boring and drilling machining technology thereof
CN109048238A (en) * 2018-07-06 2018-12-21 哈尔滨汽轮机厂有限责任公司 A kind of processing method of the connecting shaft for lifting tool
CN109175905A (en) * 2018-09-30 2019-01-11 成都飞机工业(集团)有限责任公司 A kind of bilateral stepped hole part single side clamping method for drilling

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002239847A (en) * 2001-02-16 2002-08-28 Seiko Epson Corp Machining method of tool for molding component, and tool for molding component manufactured using the machining method
DE10346075A1 (en) * 2003-10-04 2005-04-21 Bosch Gmbh Robert Method of machining a guide section of inner bore in a nozzle body of fuel injection valve, involves making an inner bore by drilling or turning, with grinding pin being fed into a section of inner bore
CN102371468A (en) * 2010-08-08 2012-03-14 朱国萍 Process for machining thin-wall air cylinder sleeve
CN102179677A (en) * 2011-05-27 2011-09-14 大连滨城活塞制造有限公司 Processing process of piston cylinder sleeve
CN102588426A (en) * 2012-03-20 2012-07-18 中冶南方工程技术有限公司 Cold-rolling flying shear synchronous connection shaft device and manufacture method
CN103692152A (en) * 2013-09-17 2014-04-02 马鞍山市益华液压机具有限公司 Manufacturing method for withdrawing sleeve
CN103659158A (en) * 2013-12-05 2014-03-26 重庆跃进机械厂有限公司 Method for machining ultrathin wall sleeve parts
CN106312484A (en) * 2016-11-17 2017-01-11 陕西高华知本化工科技有限公司 Double drive ring machining method
CN106694963A (en) * 2017-01-24 2017-05-24 威海伯特利萨克迪汽车安全系统有限公司 Stepped boring and drilling composite tool and boring and drilling machining technology thereof
CN109048238A (en) * 2018-07-06 2018-12-21 哈尔滨汽轮机厂有限责任公司 A kind of processing method of the connecting shaft for lifting tool
CN109175905A (en) * 2018-09-30 2019-01-11 成都飞机工业(集团)有限责任公司 A kind of bilateral stepped hole part single side clamping method for drilling

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Application publication date: 20190903