CN104476130A - Shaft pin machining technology - Google Patents
Shaft pin machining technology Download PDFInfo
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- CN104476130A CN104476130A CN201410680803.6A CN201410680803A CN104476130A CN 104476130 A CN104476130 A CN 104476130A CN 201410680803 A CN201410680803 A CN 201410680803A CN 104476130 A CN104476130 A CN 104476130A
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- lathe
- diameter phi
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- milling
- diameter
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
Abstract
The invention discloses a shaft pin machining technology. The shaft pin machining technology comprises first, blanking is carried out through a sawing machine; second, a material which is sawn off is machined with a lathe; third, the lathe is used for threading; fourth, a material clamp is turned around, and the lathe is used for machining the other end of the material; fifth, the lathe is used for machining the other end of the material; sixth, the lathe is used for threading; seventh, the lathe is used for further turning machining; eighth, a milling machine is used for machining the material; ninth, the milling machine is used for milling key grooves in the material; tenth, rounding is carried out on the dividing line of each segment of the material; eleventh, the surface of a finished product is polished; twelfth, the product is inspected and stored. According to the shaft pin machining technology, the accuracy and the strength of machined shaft pins are improved so that the shaft pins can meet the requirements, the defective rate is reduced, and production cost is reduced.
Description
Technical field
The present invention relates to a kind of processing technology of pivot pin, belong to Machining Technology field.
Background technology
Existing a variety of method is manufactured with to pivot pin, but all there are this some problems, such as pivot pin insufficient strength, the hole precision of pivot pin is inadequate, pivot pin global shape is undesirable, and such pivot pin can not be met the need of market, and is unfavorable for carrying out smoothly of production, therefore in order to better enable pivot pin meet the demands, proposing a kind of technological method for processing and solving this problem.
Summary of the invention
For the technical problem of above-mentioned existence, the object of the invention is: propose a kind of machining accuracy accurately, the processing technology of pivot pin that is of the required size.
Technical solution of the present invention is achieved in that a kind of processing technology of pivot pin, the first step: carry out blanking processing with sawing machine, saws out, diameter phi 30mm by material according to figure paper size, long 73mm; Second step: the material sawed is processed with lathe, by material one end diameter car to φ 16mm, length is 30mm; 3rd step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 26mm; 4th step: material fixture is fallen face, processes the material other end with lathe, by material long end finish turning to 70 ± 0.3mm; 5th step: the material other end is processed with lathe, by material other end diameter car to φ 16mm, length is 22mm; 6th step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 18.5mm; 7th step: with the further Vehicle Processing of lathe, diameter phi 16mm and diameter phi 30mm phase boundary are processed, by inside for diameter phi 30mm car to diameter phi 18.5-0.04-0.073mm, length 11.5mm; 8th step: material is processed with milling machine, by material diameter φ 30mm part finish-milling to diameter phi 27mm, then carry out milling opposite side to the cylinder of φ 27mm, two opposite side centre-to-centre spacing are 25 ± 0.2mm; 9th step: keyseat processing is carried out to material with milling machine, at the periphery milling width 4.5mm of φ 16mm, the keyway of degree of depth 2.5mm, length 18.5mm, keyway milling two and be arrangeding in parallel; Tenth step: rounding is carried out to material every section boundary, the fillet of R0.5; 11 step: surface finish is carried out to the product machined, the periphery roughness of diameter phi 18.5-0.04-0.073mm, long 11.5mm reaches Ra0.8, and remaining surface roughness reaches Ra6.3; 12 step: product is tested and warehouse-in.
Preferably, in the 12 step, test selective examination time, carry out outward appearance sampling observation and size inspect by random samples, outward appearance inspects 10 by random samples, and size inspects 6 by random samples.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The processing technology of a kind of pivot pin of the present invention, by sawing machine cutting processing, lathe cutting thread and processing, milling machine keyseat and processing, rounding processing, surface finish, inspection and warehouse-in, meet production requirement, improve precision, the intensity of the pivot pin produced, make it meet the requirements, reduction in the numbers of seconds, reduces production cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the finished product schematic diagram of the processing technology of a kind of pivot pin of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described.
Be the processing technology of a kind of pivot pin of the present invention as shown in Figure 1, embodiment one: the first step: carry out blanking processing with sawing machine, saws out according to figure paper size by material, diameter phi 30mm, and long 73mm tentatively determines product design size; Second step: the material sawed is processed with lathe, by material one end diameter car to φ 16mm, length is 30mm, carries out the processing of one end according to drawing requirement; 3rd step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 26mm, carries out screw thread process as requested; 4th step: material fixture is fallen face, processes the material other end with lathe, by material long end finish turning to 69.7mm, and the length of precision products; 5th step: the material other end is processed with lathe, by material other end diameter car to φ 16mm, length is 22mm, processes as requested to the material other end; 6th step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 18.5mm, carries out cutting thread processing according to drawing requirement size; 7th step: with the further Vehicle Processing of lathe, diameter phi 16mm and diameter phi 30mm phase boundary are processed, by inside for diameter phi 30mm car to diameter phi 18.427mm, length 11.5mm, carries out the processing of details further to material; 8th step: material is processed with milling machine, by material diameter φ 30mm part finish-milling to diameter phi 27mm, then carry out milling opposite side to the cylinder of φ 27mm, two opposite side centre-to-centre spacing are 24.8mm, material are carried out to the processing of further diameter and profile; 9th step: keyseat processing is carried out to material with milling machine, at the periphery milling width 4.5mm of φ 16mm, the keyway of degree of depth 2.5mm, length 18.5mm, keyway milling two and be arrangeding in parallel, carries out the processing of keyway according to drawing requirement; Tenth step: rounding is carried out to material every section boundary, the fillet of R0.5, carries out details processing further; 11 step: surface finish is carried out to the product machined, the periphery roughness of diameter phi 18.427mm, long 11.5mm reaches Ra0.8, and remaining surface roughness reaches Ra6.3, carries out surface finish processing as requested to product; 12 step: product is tested and warehouse-in, test selective examination time, carry out outward appearance sampling observation and size inspect by random samples, outward appearance inspects 10 by random samples, and size inspects 6 by random samples.
Embodiment two: the first step: carry out blanking processing with sawing machine, saws out according to figure paper size by material, diameter phi 30mm, and long 73mm tentatively determines product design size; Second step: the material sawed is processed with lathe, by material one end diameter car to φ 16mm, length is 30mm, carries out the processing of one end according to drawing requirement; 3rd step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 26mm, carries out screw thread process as requested; 4th step: material fixture is fallen face, processes the material other end with lathe, by material long end finish turning to 70mm, and the length of precision products; 5th step: the material other end is processed with lathe, by material other end diameter car to φ 16mm, length is 22mm, processes as requested to the material other end; 6th step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 18.5mm, carries out cutting thread processing according to drawing requirement size; 7th step: with the further Vehicle Processing of lathe, diameter phi 16mm and diameter phi 30mm phase boundary are processed, by inside for diameter phi 30mm car to diameter phi 18.5mm, length 11.5mm, carries out the processing of details further to material; 8th step: material is processed with milling machine, by material diameter φ 30mm part finish-milling to diameter phi 27mm, then carry out milling opposite side to the cylinder of φ 27mm, two opposite side centre-to-centre spacing are 25mm, material are carried out to the processing of further diameter and profile; 9th step: keyseat processing is carried out to material with milling machine, at the periphery milling width 4.5mm of φ 16mm, the keyway of degree of depth 2.5mm, length 18.5mm, keyway milling two and be arrangeding in parallel, carries out the processing of keyway according to drawing requirement; Tenth step: rounding is carried out to material every section boundary, the fillet of R0.5, carries out details processing further; 11 step: surface finish is carried out to the product machined, the periphery roughness of diameter phi 18.5mm, long 11.5mm reaches Ra0.8, and remaining surface roughness reaches Ra6.3, carries out surface finish processing as requested to product; 12 step: product is tested and warehouse-in, test selective examination time, carry out outward appearance sampling observation and size inspect by random samples, outward appearance inspects 10 by random samples, and size inspects 6 by random samples.
Embodiment three: the first step: carry out blanking processing with sawing machine, saws out according to figure paper size by material, diameter phi 30mm, and long 73mm tentatively determines product design size; Second step: the material sawed is processed with lathe, by material one end diameter car to φ 16mm, length is 30mm, carries out the processing of one end according to drawing requirement; 3rd step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 26mm, carries out screw thread process as requested; 4th step: material fixture is fallen face, processes the material other end with lathe, by material long end finish turning to 70.3mm, and the length of precision products; 5th step: the material other end is processed with lathe, by material other end diameter car to φ 16mm, length is 22mm, processes as requested to the material other end; 6th step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 18.5mm, carries out cutting thread processing according to drawing requirement size; 7th step: with the further Vehicle Processing of lathe, diameter phi 16mm and diameter phi 30mm phase boundary are processed, by inside for diameter phi 30mm car to diameter phi 18.496mm, length 11.5mm, carries out the processing of details further to material; 8th step: material is processed with milling machine, by material diameter φ 30mm part finish-milling to diameter phi 27mm, then carry out milling opposite side to the cylinder of φ 27mm, two opposite side centre-to-centre spacing are 25.2mm, material are carried out to the processing of further diameter and profile; 9th step: keyseat processing is carried out to material with milling machine, at the periphery milling width 4.5mm of φ 16mm, the keyway of degree of depth 2.5mm, length 18.5mm, keyway milling two and be arrangeding in parallel, carries out the processing of keyway according to drawing requirement; Tenth step: rounding is carried out to material every section boundary, the fillet of R0.5, carries out details processing further; 11 step: surface finish is carried out to the product machined, the periphery roughness of diameter phi 18.496mm, long 11.5mm reaches Ra0.8, and remaining surface roughness reaches Ra6.3, carries out surface finish processing as requested to product; 12 step: product is tested and warehouse-in, test selective examination time, carry out outward appearance sampling observation and size inspect by random samples, outward appearance inspects 10 by random samples, and size inspects 6 by random samples.
The processing technology of a kind of pivot pin of the present invention, by sawing machine cutting processing, lathe cutting thread and processing, milling machine keyseat and processing, rounding processing, surface finish, inspection and warehouse-in, meet production requirement, improve precision, the intensity of the pivot pin produced, make it meet the requirements, reduction in the numbers of seconds, reduces production cost.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (2)
1. a processing technology for pivot pin, is characterized in that: the first step: carry out blanking processing with sawing machine, saws out, diameter phi 30mm by material according to figure paper size, long 73mm; Second step: the material sawed is processed with lathe, by material one end diameter car to φ 16mm, length is 30mm; 3rd step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 26mm; 4th step: material fixture is fallen face, processes the material other end with lathe, by material long end finish turning to 70 ± 0.3mm; 5th step: the material other end is processed with lathe, by material other end diameter car to φ 16mm, length is 22mm; 6th step: use lathe cutting thread, the screw thread of the M16 that gets on the bus at the cylinder of diameter phi 16mm, reach 18.5mm; 7th step: with the further Vehicle Processing of lathe, diameter phi 16mm and diameter phi 30mm phase boundary are processed, by inside for diameter phi 30mm car to diameter phi 18.5-0.04-0.073mm, length 11.5mm; 8th step: material is processed with milling machine, by material diameter φ 30mm part finish-milling to diameter phi 27mm, then carry out milling opposite side to the cylinder of φ 27mm, two opposite side centre-to-centre spacing are 25 ± 0.2mm; 9th step: keyseat processing is carried out to material with milling machine, at the periphery milling width 4.5mm of φ 16mm, the keyway of degree of depth 2.5mm, length 18.5mm, keyway milling two and be arrangeding in parallel; Tenth step: rounding is carried out to material every section boundary, the fillet of R0.5; 11 step: surface finish is carried out to the product machined, the periphery roughness of diameter phi 18.5-0.04-0.073mm, long 11.5mm reaches Ra0.8, and remaining surface roughness reaches Ra6.3; 12 step: product is tested and warehouse-in.
2. the processing technology of a kind of pivot pin as claimed in claim 1, is characterized in that: in the 12 step, test selective examination time, carry out outward appearance sampling observation and size inspect by random samples, outward appearance inspects 10 by random samples, and size inspects 6 by random samples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680803.6A CN104476130A (en) | 2014-11-24 | 2014-11-24 | Shaft pin machining technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680803.6A CN104476130A (en) | 2014-11-24 | 2014-11-24 | Shaft pin machining technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104476130A true CN104476130A (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410680803.6A Pending CN104476130A (en) | 2014-11-24 | 2014-11-24 | Shaft pin machining technology |
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| Country | Link |
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| CN (1) | CN104476130A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608166A (en) * | 2016-12-12 | 2018-10-02 | 中国航空工业标准件制造有限责任公司 | There is the stud processing method of keyway on a kind of screw thread |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090067947A1 (en) * | 2006-11-17 | 2009-03-12 | Mitsubishi Heavy Industries, Ltd. | Fastening device |
| CN202056169U (en) * | 2011-05-23 | 2011-11-30 | 富美科技有限公司 | Threaded shaft pin being easy to disassemble |
| CN102601589A (en) * | 2012-03-29 | 2012-07-25 | 苏州新凌电炉有限公司 | Process for manufacturing quincuncial dowel screws |
| CN103089781A (en) * | 2012-12-04 | 2013-05-08 | 安徽六方重联机械股份有限公司 | Method for machining high-strength double end bolt |
| CN103711779A (en) * | 2014-01-19 | 2014-04-09 | 方义飞 | Pin shaft connecting assembly, pin shaft thereof and manufacturing method of pin shaft |
-
2014
- 2014-11-24 CN CN201410680803.6A patent/CN104476130A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090067947A1 (en) * | 2006-11-17 | 2009-03-12 | Mitsubishi Heavy Industries, Ltd. | Fastening device |
| CN202056169U (en) * | 2011-05-23 | 2011-11-30 | 富美科技有限公司 | Threaded shaft pin being easy to disassemble |
| CN102601589A (en) * | 2012-03-29 | 2012-07-25 | 苏州新凌电炉有限公司 | Process for manufacturing quincuncial dowel screws |
| CN103089781A (en) * | 2012-12-04 | 2013-05-08 | 安徽六方重联机械股份有限公司 | Method for machining high-strength double end bolt |
| CN103711779A (en) * | 2014-01-19 | 2014-04-09 | 方义飞 | Pin shaft connecting assembly, pin shaft thereof and manufacturing method of pin shaft |
Non-Patent Citations (2)
| Title |
|---|
| 万忠贤等: "销轴加工新工艺", 《煤矿机械》 * |
| 孟祥喜等: "一种轴销的加工工艺改进", 《河南科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608166A (en) * | 2016-12-12 | 2018-10-02 | 中国航空工业标准件制造有限责任公司 | There is the stud processing method of keyway on a kind of screw thread |
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Application publication date: 20150401 |
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