CN108067841A - A kind of preparation method of the high intensity support of bearing - Google Patents
A kind of preparation method of the high intensity support of bearing Download PDFInfo
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- CN108067841A CN108067841A CN201711262082.7A CN201711262082A CN108067841A CN 108067841 A CN108067841 A CN 108067841A CN 201711262082 A CN201711262082 A CN 201711262082A CN 108067841 A CN108067841 A CN 108067841A
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- bearing
- hole
- casting
- product
- bearing hole
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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
Preparation method more particularly to a kind of preparation method of the high intensity support of bearing the present invention relates to a kind of support of bearing.Product structure → blank making → semi-finished product making → assembling → final inspection → purged and packed → storage.A kind of preparation method of the high intensity support of bearing further promotes the quality of product, reduces enterprise's production cost.
Description
Technical field
Preparation method more particularly to a kind of preparation side of the high intensity support of bearing the present invention relates to a kind of support of bearing
Method.
Background technology
The support of bearing is auto parts machinery, and conventional preparation method can not meet the rigidity of product, exist in use
Certain safe mass.
Chinese patent 201310707768.8 discloses a kind of support of bearing milling both ends of the surface technique of automobile middle shaft, special
Sign is, mainly comprises the steps of：(1) first, workpiece material HT200 is chosen, roughness is 12 μm, and lathe is YG6 formula millings
Bed, cutter X52K slotting cutters=100mm, z=10；Cutting fluid is common emulsion；(2) cutting data then, is selected, determines milling
Depth is cut, determines feed engagement；(3) milling cutter pure ground standard and cutter life are selected, and milling cutter tooth knife face greatest wear amount is thick
2.0 during processing, 0.5 during finishing, actual cut speed and feed engagement are 0.125mm/z, cutting speed V=94.2m/
Min, amount of feeding 0.125mm/z；(4) lathe requirement：Selected cutting data 375mm/min during skiver, is symmetrically installed
Milling cutter.This technique is some processing step for the support of bearing, this processing step is relative complex, and the cost is relatively high for manufacture,
Properties of product are not relatively strong.
The content of the invention
The present invention mainly solves the deficiencies in the prior art, and it is scientific and reasonable to provide a kind of step operation, further
Reduce a kind of preparation method of high intensity support of bearing of manufacture cost.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of preparation method of the high intensity support of bearing, carries out according to the following steps：
(1), product structure：
This product is nodular iron casting, by sand casting one-pass molding, the then machined positioning pin that required precision is high
Hole and bearing hole are fixed on the processing of clutch housing over-assemble finally by positioning pin and bolt, ensure the coaxial of bearing hole
Degree；
(2), blank makes：
The blank of product is by casting, and the material of selection is QT600-3, first by mold flow analysis, to casting
Riser in journey, runner carry out simulation casting, so as to find that the possibility of casting flaw is also easy to produce in casting cycle, are adjusted and keep away
Exempt from.According to mold flow analysis come out as a result, design mould structure, machine-shaping.It then will be proportioned by QT600-3 elements
The molten iron of 1300 ° of high temperature is molded into mold cavity, is come out of the stove by 3 heat preservation when small, then carries out every Metallographic Analysis and performance
Test, to confirm material qualification；(3), semi-finished product make：
Blank is improved surface roughness quality, then by job instruction, workpiece is put in designed by ball blast
On three work position hydraulic fixtures, processed at one time, mainly comprised the following steps using high efficiency machining center：
One station：Upwardly, first to plane using high feed milling cutter, material is the novel hard alloy material of PR1510 to big end
Material with the fast feed of the rotating speed of 4000r/min, 6000mm/min, obtains higher metal removal rate, blank allowance is controlled
Within 0.2~0.3mm, plane machining is then ensured to flatness 0.04mm in place with finishing cutter, for bearing hole system
Using combined type boring cutter, by once moving back and forth, by processes such as size bearing hole, step, chamferings, with turning for 200r/min
Speed, the feed speed of 42mm/min machine, and main purpose is to save the tool changing frequency, improves production efficiency, and reduction is produced into
This；
Two stations：Emphasis locating and machining pin hole and bearing hole ensure the position degree of hole system；It is positioned with the plane processed
Benchmark, using with chamfering and smoothing effect milling reamer, control tolerance within 0.02mm, roughness can reach Ra0.8 with
Under, two dowel holes are worked into size, bearing hole is finally worked into semifinishing size with fine boring cutter, are final size
Stay the allowance of 0.4mm, it is ensured that the bearing hole processed is consistent with the position degree of dowel hole；
Three stations：Workpiece is packed into fixtures with 90 ° of vertical direction, with 125 face and side cutters of diameter ￠, with the side of upmilling
Formula, from left to right, the rotating speed of 156r/min, the feeding of 220mm/min, by locking plate groove processing to size, then with the brill of ￠ 12
Milling cutter, with the rotating speed of 1600r/min, the feeding of 380mm/min, through locking plate slot；
(4), assemble：
Grinding process is carried out to semi-finished product, removes burrs on edges, flange；Then cleaned up with supersonic wave cleaning machine,
Two pieces of 13 opening spring pins of ￠ are pressed at dowel hole, the dowel hole press-in being aligned on clutch housing；Using 0.02mm
Clearance gauge checks whether binding face is bonded closely, then with 12.9 grade high-strength bolt M12 of GB/T5786 standards, penetrates screw hole,
Screwed in the torque of 68N.m, develop the fastening of bolt plane, then with clutch housing time processing stent and housing bearings at both ends
Hole in place, ensure that the concentricity of two end axles bearing bore within 0.05mm；After machining, in the support of bearing and clutch housing
Pairing identification code is stamped on designated position by drawing with laser marking machine, in order to be used in pairing from now on；
(5), final inspection：
It is required according to product drawing, tested to the physical dimension of product；
(6), purged and packed：
Disassemble assembly, be respectively put into special-purpose ultrasonic cleaning machine, by ultrasonic cleaning, rinsing, dry, oil it is clear
Journey is washed, the cleannes standard of workpiece is controlled within 10 grades, workpiece is then packed into cartonning by packing instructions；
(7), be put in storage：
The qualified products accompanying quality certification handles storage formality.
This product is conventional products, using scientific and reasonable operating procedure, promotes the quality of product, while reduces enterprise's life
Produce cost.By the linkage of equipment and equipment technical parameters, effective Control platform.
Therefore, the preparation method of a kind of high intensity support of bearing of the invention further promotes the quality of product, reduces enterprise
Industry production cost.
Specific embodiment
Below by embodiment, the technical solutions of the present invention will be further described.
Embodiment 1：A kind of preparation method of the high intensity support of bearing, carries out according to the following steps：
(1), product structure：
This product is nodular iron casting, by sand casting one-pass molding, the then machined positioning pin that required precision is high
Hole and bearing hole are fixed on the processing of clutch housing over-assemble finally by positioning pin and bolt, ensure the coaxial of bearing hole
Degree；
(2), blank makes：
The blank of product is by casting, and the material of selection is QT600-3, first by mold flow analysis, to casting
Riser in journey, runner carry out simulation casting, so as to find that the possibility of casting flaw is also easy to produce in casting cycle, are adjusted and keep away
Exempt from.According to mold flow analysis come out as a result, design mould structure, machine-shaping.It then will be proportioned by QT600-3 elements
The molten iron of 1300 ° of high temperature is molded into mold cavity, is come out of the stove by 3 heat preservation when small, then carries out every Metallographic Analysis and performance
Test, to confirm material qualification；
(3), semi-finished product make：
Blank is improved surface roughness quality, then by job instruction, workpiece is put in designed by ball blast
On three work position hydraulic fixtures, processed at one time, mainly comprised the following steps using high efficiency machining center：
One station：Upwardly, first to plane using high feed milling cutter, material is the novel hard alloy material of PR1510 to big end
Material with the fast feed of the rotating speed of 4000r/min, 6000mm/min, obtains higher metal removal rate, blank allowance is controlled
Within 0.2~0.3mm, plane machining is then ensured to flatness 0.04mm in place with finishing cutter, for bearing hole system
Using combined type boring cutter, by once moving back and forth, by processes such as size bearing hole, step, chamferings, with turning for 200r/min
Speed, the feed speed of 42mm/min machine, and main purpose is to save the tool changing frequency, improves production efficiency, and reduction is produced into
This；
Two stations：Emphasis locating and machining pin hole and bearing hole ensure the position degree of hole system；It is positioned with the plane processed
Benchmark, using with chamfering and smoothing effect milling reamer, control tolerance within 0.02mm, roughness can reach Ra0.8 with
Under, two dowel holes are worked into size, bearing hole is finally worked into semifinishing size with fine boring cutter, are final size
Stay the allowance of 0.4mm, it is ensured that the bearing hole processed is consistent with the position degree of dowel hole；
Three stations：Workpiece is packed into fixtures with 90 ° of vertical direction, with 125 face and side cutters of diameter ￠, with the side of upmilling
Formula, from left to right, the rotating speed of 156r/min, the feeding of 220mm/min, by locking plate groove processing to size, then with the brill of ￠ 12
Milling cutter, with the rotating speed of 1600r/min, the feeding of 380mm/min, through locking plate slot；
(4), assemble：
Grinding process is carried out to semi-finished product, removes burrs on edges, flange；Then cleaned up with supersonic wave cleaning machine,
Two pieces of 13 opening spring pins of ￠ are pressed at dowel hole, the dowel hole press-in being aligned on clutch housing；Using 0.02mm
Clearance gauge checks whether binding face is bonded closely, then with 12.9 grade high-strength bolt M12 of GB/T5786 standards, penetrates screw hole,
Screwed in the torque of 68N.m, develop the fastening of bolt plane, then with clutch housing time processing stent and housing bearings at both ends
Hole in place, ensure that the concentricity of two end axles bearing bore within 0.05mm；After machining, in the support of bearing and clutch housing
Pairing identification code is stamped on designated position by drawing with laser marking machine, in order to be used in pairing from now on；
(5), final inspection：
It is required according to product drawing, tested to the physical dimension of product；
(6), purged and packed：
Disassemble assembly, be respectively put into special-purpose ultrasonic cleaning machine, by ultrasonic cleaning, rinsing, dry, oil it is clear
Journey is washed, the cleannes standard of workpiece is controlled within 10 grades, workpiece is then packed into cartonning by packing instructions；
(7), be put in storage：
The qualified products accompanying quality certification handles storage formality.
Claims (1)
1. a kind of preparation method of the high intensity support of bearing, it is characterised in that carry out according to the following steps：
(1), product structure：
This product is nodular iron casting, by sand casting one-pass molding, then the machined dowel hole that required precision is high and
Bearing hole is fixed on the processing of clutch housing over-assemble finally by positioning pin and bolt, ensures the concentricity of bearing hole；
(2), blank makes：
The blank of product is by casting, and the material of selection is QT600-3, first by mold flow analysis, in casting cycle
Riser, runner carries out simulation casting, so as to find that the possibility of casting flaw is also easy to produce in casting cycle, is adjusted and avoids.
According to mold flow analysis come out as a result, design mould structure, machine-shaping.It then will be proportioned 1300 ° by QT600-3 elements
The molten iron of high temperature is molded into mold cavity, is come out of the stove by 3 heat preservation when small, then carries out every Metallographic Analysis and performance test,
To confirm material qualification；
(3), semi-finished product make：
Blank improves surface roughness quality, then by job instruction, workpiece is put in designed three work by ball blast
On the hydraulically operated fixture of position, processed at one time, mainly comprised the following steps using high efficiency machining center：
One station：Upwardly, first to plane using high feed milling cutter, material is the novel hard alloy material of PR1510 to big end,
With the fast feed of the rotating speed of 4000r/min, 6000mm/min, higher metal removal rate is obtained, blank allowance control is existed
Within 0.2~0.3mm, plane machining is then ensured to flatness 0.04mm in place with finishing cutter, system adopts for bearing hole
With combined type boring cutter, by once moving back and forth, by processes such as size bearing hole, step, chamferings, with the rotating speed of 200r/min,
The feed speed of 42mm/min machines, and main purpose is to save the tool changing frequency, improves production efficiency, reduces production cost；
Two stations：Emphasis locating and machining pin hole and bearing hole ensure the position degree of hole system；Positioning base is done with the plane processed
Standard, using the milling reamer with chamfering and smoothing effect, for control tolerance within 0.02mm, roughness can reach below Ra0.8,
Two dowel holes are worked into size, bearing hole is finally worked into semifinishing size with fine boring cutter, is stayed for final size
The allowance of 0.4mm, it is ensured that the bearing hole processed is consistent with the position degree of dowel hole；
Three stations：Workpiece is packed into fixtures with 90 ° of vertical direction, with 125 face and side cutters of diameter ￠, in a manner of upmilling, from
Left-to-right, the rotating speed of 156r/min, the feeding of 220mm/min, by locking plate groove processing to size, then with the drill mill of ￠ 12,
With the rotating speed of 1600r/min, the feeding of 380mm/min, through locking plate slot；
(4), assemble：
Grinding process is carried out to semi-finished product, removes burrs on edges, flange；Then cleaned up, positioned with supersonic wave cleaning machine
Two pieces of 13 opening spring pins of ￠ are pressed at pin hole, the dowel hole press-in being aligned on clutch housing；Using 0.02mm clearance gauges
It checks whether binding face is bonded closely, then with 12.9 grade high-strength bolt M12 of GB/T5786 standards, penetrates screw hole, with
The torque of 68N.m screws in, and develops the fastening of bolt plane, then with clutch housing time processing stent and housing two end axles bearing bore
In place, it ensure that the concentricity of two end axles bearing bore within 0.05mm；After machining, refer in the support of bearing and clutch housing
Positioning is put stamps pairing identification code with laser marking machine by drawing, in order to be used in pairing from now on；
(5), final inspection：
It is required according to product drawing, tested to the physical dimension of product；
(6), purged and packed：
Assembly is disassembled, is respectively put into special-purpose ultrasonic cleaning machine, passes through ultrasonic cleaning, rinsing, the cleaning dried, oiled
The cleannes standard of workpiece is controlled within 10 grades, workpiece then is packed cartonning by packing instructions by journey；
(7), be put in storage：
The qualified products accompanying quality certification handles storage formality.
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| CN201711262082.7A CN108067841B (en) | 2017-12-04 | 2017-12-04 | A kind of preparation method of the high intensity support of bearing |
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| CN201711262082.7A CN108067841B (en) | 2017-12-04 | 2017-12-04 | A kind of preparation method of the high intensity support of bearing |
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| CN108067841A true CN108067841A (en) | 2018-05-25 |
| CN108067841B CN108067841B (en) | 2019-10-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807642A (en) * | 2019-03-06 | 2019-05-28 | 济南海马机械设计有限公司 | A kind of rain perforaled strainer automatic production line |
| CN111975303A (en) * | 2020-08-27 | 2020-11-24 | 西藏大学 | Method for manufacturing supporting seat for separating effective ingredients of plant medicines |
| CN112610574A (en) * | 2020-12-14 | 2021-04-06 | 西安鑫垚陶瓷复合材料有限公司 | Metal reinforcing component for ceramic matrix composite material support and support assembling method |
| CN115055742A (en) * | 2022-08-05 | 2022-09-16 | 徐州考拉机器人科技有限公司 | Milling process for conical pipe shell part |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5253417A (en) * | 1992-06-22 | 1993-10-19 | Geenral Motors Corporation | Method of manufacturing crankshafts |
| CN103447755A (en) * | 2012-05-30 | 2013-12-18 | 安徽华菱汽车有限公司 | Cylinder cover and machining method thereof |
| CN103737081A (en) * | 2013-12-20 | 2014-04-23 | 柳州正菱集团有限公司 | Technique for milling intermediate convex plane of bearing support of automobile intermediate shaft |
| CN103737259A (en) * | 2013-12-20 | 2014-04-23 | 柳州正菱集团有限公司 | Machining method of bearing supporting frame of middle shaft of small car |
| CN106195009A (en) * | 2016-08-20 | 2016-12-07 | 南宁钛银科技有限公司 | Large size bearing and manufacturing process thereof |
-
2017
- 2017-12-04 CN CN201711262082.7A patent/CN108067841B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5253417A (en) * | 1992-06-22 | 1993-10-19 | Geenral Motors Corporation | Method of manufacturing crankshafts |
| CN103447755A (en) * | 2012-05-30 | 2013-12-18 | 安徽华菱汽车有限公司 | Cylinder cover and machining method thereof |
| CN103737081A (en) * | 2013-12-20 | 2014-04-23 | 柳州正菱集团有限公司 | Technique for milling intermediate convex plane of bearing support of automobile intermediate shaft |
| CN103737259A (en) * | 2013-12-20 | 2014-04-23 | 柳州正菱集团有限公司 | Machining method of bearing supporting frame of middle shaft of small car |
| CN106195009A (en) * | 2016-08-20 | 2016-12-07 | 南宁钛银科技有限公司 | Large size bearing and manufacturing process thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807642A (en) * | 2019-03-06 | 2019-05-28 | 济南海马机械设计有限公司 | A kind of rain perforaled strainer automatic production line |
| CN109807642B (en) * | 2019-03-06 | 2022-02-18 | 济南海马机械设计有限公司 | Rainwater grate automation line |
| CN111975303A (en) * | 2020-08-27 | 2020-11-24 | 西藏大学 | Method for manufacturing supporting seat for separating effective ingredients of plant medicines |
| CN112610574A (en) * | 2020-12-14 | 2021-04-06 | 西安鑫垚陶瓷复合材料有限公司 | Metal reinforcing component for ceramic matrix composite material support and support assembling method |
| CN115055742A (en) * | 2022-08-05 | 2022-09-16 | 徐州考拉机器人科技有限公司 | Milling process for conical pipe shell part |
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| Publication number | Publication date |
|---|---|
| CN108067841B (en) | 2019-10-08 |
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Effective date of registration: 20190807 Address after: Room 708-23, 1816 Harbour Avenue, Xitangqiao Street Economic Development Zone, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Mingyuan Machinery Co.,Ltd. Address before: 311254 No. 1 Xinguang Road, Suoqian Town, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU SITONG TRANSMISSION Co.,Ltd. |
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Denomination of invention: A kind of preparation method of high-strength bearing bracket Effective date of registration: 20220816 Granted publication date: 20191008 Pledgee: Xitangqiao sub branch of Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Mingyuan Machinery Co.,Ltd. Registration number: Y2022330001760 |
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Address after: No. 677 Hangzhou Bay Avenue, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province, 314300 Patentee after: Zhejiang Mingyuan Orion Hydrogen Energy Technology Co.,Ltd. Address before: Room 708-23, No. 1816 Haigang Avenue, Xitangqiao Street Economic Development Zone (Xitangqiao Street), Haiyan County, Jiaxing City, Zhejiang Province, 314300 Patentee before: Zhejiang Mingyuan Machinery Co.,Ltd. |