CN107283122B - A kind of manufacturing process of automobile hollow semiaxis - Google Patents

A kind of manufacturing process of automobile hollow semiaxis Download PDF

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Publication number
CN107283122B
CN107283122B CN201710483074.9A CN201710483074A CN107283122B CN 107283122 B CN107283122 B CN 107283122B CN 201710483074 A CN201710483074 A CN 201710483074A CN 107283122 B CN107283122 B CN 107283122B
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semiaxis
automobile
flange
steel pipe
automobile hollow
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CN107283122A (en
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张群
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DAYONG PRECISION MACHINERY (FUZHOU) Co Ltd
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DAYONG PRECISION MACHINERY (FUZHOU) Co Ltd
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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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/50Other automobile vehicle parts, i.e. manufactured in assembly lines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

The invention discloses a kind of manufacturing process of automobile hollow semiaxis, comprising the following steps: a) forged flange blank;B) flange shape turning;C) ring flange drilling, chamfering and drill centers;D) steel pipe cutting, end face, inner chamfer turning;E) spline is rubbed with the hands;F) friction welded;G) intermediate frequency heat treatment and lonneal;H) it is straightened;I) flange smart car;J) antirust and packaging.The present invention replaces solid rod iron using hollow cold pumping pipe, the moiety by weight of semiaxis long axis can be reduced by 50%~60%, the whole solid semiaxis of branch hollow half axle weight ratio can at least reduce by 35% or more, effectively save material and the energy, meet energy-saving and emission-reduction and automotive light weight technology trend;By hollow steel pipe and it is friction welded at whole branch semiaxis before just complete spline processing, spline process requirements can be completed using the gear rolling equipment of common specification, specification of equipment and clamp tool are required to reduce, it is easy to process, production efficiency and qualification rate improve, and production cost is effectively reduced.

Description

A kind of manufacturing process of automobile hollow semiaxis
Technical field
The present invention relates to automobile axle shaft technical field more particularly to a kind of manufacturing process of automobile hollow semiaxis.
Background technique
Automobile axle shaft processing technology common at present is that flange blank and bar are passed through dedicated friction welded equipment pressure It is connected into whole branch automobile axle shaft, is then processed;It will be reprocessed after the molding of whole mandrel, Workpiece length, volume are all bigger, relatively The equipment for needing to increase model answered could complete the processing to workpiece, to increase the cost of equipment, and whole branch automobile half Axis blank volume is big, clamping, positioning and the easy deviation of drilling and the also extremely inconvenience of loading and unloading handling process.
Patent No. 201210167730.1, a kind of entitled automobile axle shaft manufacturing process, technical solution is under including Column step: (one), raw material, the finishing of (two), flange, (three), friction welded, (four), process of axle shaft, (five), semiaxis smart car are ground Mill and rust prevention packaging.This processing method is using solid bar as raw material, and solid bar and ring flange are friction welded Carry out the processing of spline again afterwards, such whole branch Workpiece length, volume are all bigger, and the equipment for needing to increase model could be completed pair The processing of workpiece increases the production cost of enterprise, and processes positioning and be not easy.
Summary of the invention
It is simple, practical it is an object of the invention to provide a kind of structure in place of overcoming the deficiencies in the prior art described above The manufacturing process of automobile hollow semiaxis.
The present invention realizes in the following way:
A kind of manufacturing process of automobile hollow semiaxis, it is characterised in that: the following steps are included:
A) forged flange blank: the layout design according to automobile hollow semiaxis selects corresponding steel will using forging equipment Flange blank forging and molding;
B) flange shape turning: driving advanced to the flange blank forged is cut, process flange surface precision drilling and Required positioning reference plane and clip position when friction welded;
C) ring flange drilling, chamfering and drill centers: first by ring flange bolt hole and centre bore be disposably drilled, and Chamfering;
D) steel pipe cutting, end face, inner chamfer turning: according to the layout design of automobile hollow semiaxis, choosing cold pumping steel pipe, first Cold pumping steel pipe is truncated into required length, then the cold pumping steel pipe both ends end face of turning and inner chamfer, processes and rub spline and friction with the hands Required positioning reference plane and clip position when crimping;
E) it rubs spline with the hands: spline processing is carried out to cold one end for taking out steel pipe;
F) friction welded: the ring flange that step c) is processed and the cold pumping steel pipe that step e) is processed are passed through into dedicated friction Crimping apparatus is crimped into whole branch hollow half axle;Specific friction welded technique are as follows: when friction revolving speed control 1420~1500 turns/ Point, so that joint surface is reached 820~850 DEG C of forging temperature, when the length of automobile axle shaft reaches layout design size, right wink Between brake, using 120kg/cm2Pressure start to crimp, natural cooling after the completion of crimping;
G) heat intermediate frequency heat treatment and lonneal: is carried out to the automobile axle shaft after step f) processing using mid-frequency quenching equipment Processing, the alternating electromagnetic field generated by the induction coil in automobile hollow semiaxis and mid-frequency quenching equipment, in automobile hollow half Alternating current is induced in axis, due to skin effect, current convergence is in automobile hollow semiaxis surface, automobile hollow semiaxis surface temperature Spending moment reaches 750~890 DEG C, then rapid water-spraying control, needed for reaching the outer surface of automobile hollow semiaxis and inner surface Hardness;Then by automobile hollow semiaxis be placed in low-temp temper furnace, 170~180 DEG C at a temperature of keep the temperature 1 hour, be cooled back to Room temperature makes automobile hollow semiaxis have high hardness and wearability and required plasticity and toughness to eliminate quenching stress;
H) it is straightened: school being carried out to the axial bending that automobile hollow semiaxis generates during heat treatment using straightening equipment Just, the circle bounce of automobile hollow semiaxis is made to meet design requirement;
I) flange smart car: the overlap generated when crimping to cold pumping steel pipe with ring flange is modified, while to automobile hollow The flange end of semiaxis carries out finish turning, to guarantee size and Geometrical Tolerance Principle;
J) antirust and packaging: the automobile hollow semiaxis processed is subjected to antirust treatment, is then packed and stored.
The beneficial effects of the present invention are: 1, using hollow cold pumping pipe replace solid rod iron, it can be by the part of semiaxis long axis Weight reduces by 50%~60%, and the whole solid semiaxis of branch hollow half axle weight ratio can at least reduce by 35% or more, effectively saving material And the energy, meet energy-saving and emission-reduction and automotive light weight technology trend;
2, by hollow steel pipe and it is friction welded at whole branch semiaxis before just complete the processing of spline, steel pipe and flange be also at this time It does not crimp, steel pipe shape is smaller, is not limited by half shaft flange shape size, be can be completed using the gear rolling equipment of common specification Spline process requirements, therefore specification of equipment and clamp tool are required to reduce, easy to process, production efficiency and qualification rate improve, and have Effect reduces production cost.
Detailed description of the invention
Fig. 1 step c) structural schematic diagram of the present invention;
Fig. 2 step d) structural schematic diagram of the present invention;
Fig. 3 step f) structural schematic diagram of the present invention;
Fig. 4 step g) structural schematic diagram of the present invention.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.It answers Work as understanding, embodiments of the present invention are not limited by the following examples, the accommodation in any form done to the present invention And/or changes and fall within the scope of the present invention.
Embodiment:
A kind of manufacturing process of automobile hollow semiaxis, as shown in Figure 1, Figure 2, Figure 3, Figure 4, comprising the following steps:
A) forged flange blank: the layout design according to automobile hollow semiaxis selects corresponding steel will using forging equipment Flange blank forging and molding;
B) flange shape turning: driving advanced to the flange blank forged is cut, process flange surface precision drilling and Required positioning reference plane and clip position when friction welded;
C) ring flange drilling, chamfering and drill centers: first by ring flange bolt hole 1 and centre bore 2 be disposably drilled, And chamfering;Since ring flange at this time does not crimp also with steel pipe, flange overall volume is smaller and light, uses the center machine of common specification It may achieve boring requirement, specification of equipment and clamp tool required to reduce, easy to process, improving production efficiency and qualification rate;
D) steel pipe cutting, end face, inner chamfer turning: according to the layout design of automobile hollow semiaxis, choosing cold pumping steel pipe, first Cold pumping steel pipe is truncated into required length, then the cold pumping steel pipe both ends end face of turning and inner chamfer, processes and rub spline and friction with the hands Required positioning reference plane and clip position when crimping;For automobile axle shaft since function needs, the part design of usual axis is longer, Long axis weight usually accounts for the 70~80% of whole branch semiaxis total weight, and hollow steel pipe is used to replace solid rod iron, can be by long axis weight Amount reduce by 50%~60%, the whole solid semiaxis of branch hollow half axle weight ratio can at least reduce by 35% or more, effectively save material and The energy;
E) it rubs spline with the hands: spline processing is carried out to cold one end for taking out steel pipe;Since steel pipe at this time does not crimp also with flange, steel pipe Shape is smaller, is not limited by half shaft flange shape size, and spline processing, which can be completed, using the gear rolling equipment of common specification needs It asks, therefore specification of equipment and clamp tool is required to reduce, easy to process, production efficiency and qualification rate improve;
F) friction welded: the ring flange that step c) is processed and the cold pumping steel pipe that step e) is processed are passed through into dedicated friction Crimping apparatus is crimped into whole branch hollow half axle;Specific friction welded technique are as follows: when friction revolving speed control 1420~1500 turns/ Point, so that joint surface is reached 820~850 DEG C of forging temperature, when the length of automobile axle shaft reaches layout design size, right wink Between brake, using 120kg/cm2Pressure start to crimp, natural cooling after the completion of crimping;It is special by being designed according to operational characteristic With friction welded jig, reach the required precision of crimping, cooperation monitoring system constantly monitors, it is ensured that the reliability of compression joint technique;
G) heat intermediate frequency heat treatment and lonneal: is carried out to the automobile axle shaft after step f) processing using mid-frequency quenching equipment Processing, the alternating electromagnetic field generated by the induction coil in automobile hollow semiaxis and mid-frequency quenching equipment, in automobile hollow half Alternating current is induced in axis, due to skin effect, current convergence is in automobile hollow semiaxis surface, automobile hollow semiaxis surface temperature Spending moment reaches 750~890 DEG C, then rapid water-spraying control, needed for reaching the outer surface of automobile hollow semiaxis and inner surface Hardness;Then by automobile hollow semiaxis be placed in low-temp temper furnace, 170~180 DEG C at a temperature of keep the temperature 1 hour, be cooled back to Room temperature makes automobile hollow semiaxis have high hardness and wearability and required plasticity and toughness to eliminate quenching stress;
H) it is straightened: school being carried out to the axial bending that automobile hollow semiaxis generates during heat treatment using straightening equipment Just, the circle bounce of automobile hollow semiaxis is made to meet design requirement;
I) flange smart car: the overlap generated when crimping to cold pumping steel pipe with ring flange is modified, while to automobile hollow The flange end of semiaxis carries out finish turning, to guarantee size and Geometrical Tolerance Principle;
J) antirust and packaging: the automobile hollow semiaxis processed is subjected to antirust treatment, is then packed and stored.
The automobile hollow process of axle shaft contrast table of the solid semiaxis of conventional vehicle and the application are as follows:
Index The solid semiaxis of automobile Automobile hollow semiaxis
Production efficiency 28/hour 37/hour
Product qualification rate 98% 99.95%
Cost 138 yuan/ 96.8 yuan/
It can be learnt by comparison: the automobile hollow semiaxis manufacturing process of the application process of axle shaft technique more solid than automobile (patent No. 201210167730.1) is no matter all have very big advantage from efficiency, cost or qualification rate, using hollow steel pipe Instead of solid rod iron, long axis weight can be reduced by 50%~60%, the whole solid semiaxis of branch hollow half axle weight ratio can at least reduce 35% or more, effectively save material and the energy.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (1)

1. a kind of manufacturing process of automobile hollow semiaxis, it is characterised in that: the following steps are included:
A) forged flange blank: according to the layout design of automobile hollow semiaxis, selecting corresponding steel, using forging equipment by method Blue blank forging forming;
B) flange shape turning: driving advanced to the flange blank forged is cut, and flange surface precision drilling and friction are processed Required positioning reference plane and clip position when crimping;
C) ring flange drilling, chamfering and drill centers: first by ring flange bolt hole and centre bore be disposably drilled, and fall Angle;
D) steel pipe cutting, end face, inner chamfer turning: according to the layout design of automobile hollow semiaxis, choosing cold pumping steel pipe, first will be cold Take out steel pipe and be truncated into required length, then cold the pumpings steel pipe both ends of the surface of turning and inner chamfer, process stranding spline and it is friction welded when Required positioning reference plane and clip position;
E) it rubs spline with the hands: spline processing is carried out to cold one end for taking out steel pipe;
F) friction welded: the cold pumping steel pipe that ring flange and step e) that step c) is processed are processed passes through dedicated friction welded Equipment is crimped into whole branch hollow half axle;Specific friction welded technique are as follows: revolving speed control makes to connect at 1420-1500 revs/min when friction Conjunction face reaches 820-850 DEG C of forging temperature, and when the length of automobile axle shaft reaches the size of layout design, moment brake is adopted Use 120kg/cm2Pressure start to crimp, natural cooling after the completion of crimping;
G) heat intermediate frequency heat treatment and lonneal: is carried out to the automobile hollow semiaxis after step f) processing using mid-frequency quenching equipment Processing, the alternating electromagnetic field generated by the induction coil in automobile hollow semiaxis and mid-frequency quenching equipment, in automobile hollow half Alternating current is induced in axis, due to skin effect, current convergence is in automobile hollow semiaxis surface, automobile hollow semiaxis surface temperature Spending moment reaches 750-890 DEG C, then rapid water-spraying control, hard needed for reaching the outer surface of automobile hollow semiaxis and inner surface Degree;Then by automobile hollow semiaxis be placed in low-temp temper furnace, 170~180 DEG C at a temperature of keep the temperature 1 hour, be cooled back to room Temperature makes automobile hollow semiaxis have high hardness and wearability and required plasticity and toughness to eliminate quenching stress;
H) it is straightened: being corrected, made using the axial bending that straightening equipment generates automobile hollow semiaxis during heat treatment The circle bounce of automobile hollow semiaxis meets design requirement;
I) flange smart car: the overlap generated when crimping to cold pumping steel pipe with ring flange is modified, while to automobile hollow semiaxis Flange end carry out finish turning, to guarantee size and Geometrical Tolerance Principle;
J) antirust and packaging: the automobile hollow semiaxis processed is subjected to antirust treatment, is then packed and stored.
CN201710483074.9A 2017-06-23 2017-06-23 A kind of manufacturing process of automobile hollow semiaxis Active CN107283122B (en)

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CN109483188A (en) * 2019-01-14 2019-03-19 郑州工商学院 A kind of technique manufacturing half shaft with flange plate with steel pipe
CN110153654B (en) * 2019-05-24 2021-10-29 重庆荆江汽车半轴股份有限公司 Large-modulus high-hardness automobile half-shaft spline machining process
CN110332214A (en) * 2019-08-23 2019-10-15 宁波巨航冷挤科技有限公司 A kind of motor shaft and its manufacturing process of the new-energy automobile high-speed driving based on light-weight design
CN111791031B (en) * 2020-07-20 2023-07-07 江苏狼博管道制造有限公司 Pipe fitting and flange manufacturing and assembling method
CN112238205A (en) * 2020-09-17 2021-01-19 东风商用车有限公司 Manufacturing method of heavy-duty automobile hollow half shaft and hollow half shaft
CN112276499A (en) * 2020-10-19 2021-01-29 抚州申铃汽车配件有限责任公司 Automobile rear axle half shaft annealing gear rolling processing technology
CN114043172B (en) * 2021-11-12 2023-04-25 保定市立中车轮制造有限公司 Commercial vehicle hub processing technology
CN114227169B (en) * 2021-12-23 2024-06-07 普乐(合肥)光技术有限公司 Special high-voltage insulating flange for ion implanter and processing method

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN1036354A (en) * 1988-12-15 1989-10-18 江西省地质矿产局地质建设工程大队 The method and the device of the amalgamation of automobile axle shaft friction welding (FW)
CN102000754A (en) * 2010-09-26 2011-04-06 青特集团有限公司 Manufacturing process of half shaft with flange plate
CN102672436A (en) * 2012-05-28 2012-09-19 大永精机(福州)有限公司 Manufacturing process of automobile half shaft
CN202573644U (en) * 2012-05-09 2012-12-05 韩传怀 Engineering motor tractor axle shaft
CN103568722A (en) * 2012-08-07 2014-02-12 洪泽县汽车半轴制造有限公司 Mini-bus half axle manufacturing process
CN105773078A (en) * 2016-03-31 2016-07-20 十堰园钧工贸有限公司 Machining and molding technology for automobile semi-axle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1036354A (en) * 1988-12-15 1989-10-18 江西省地质矿产局地质建设工程大队 The method and the device of the amalgamation of automobile axle shaft friction welding (FW)
CN102000754A (en) * 2010-09-26 2011-04-06 青特集团有限公司 Manufacturing process of half shaft with flange plate
CN202573644U (en) * 2012-05-09 2012-12-05 韩传怀 Engineering motor tractor axle shaft
CN102672436A (en) * 2012-05-28 2012-09-19 大永精机(福州)有限公司 Manufacturing process of automobile half shaft
CN103568722A (en) * 2012-08-07 2014-02-12 洪泽县汽车半轴制造有限公司 Mini-bus half axle manufacturing process
CN105773078A (en) * 2016-03-31 2016-07-20 十堰园钧工贸有限公司 Machining and molding technology for automobile semi-axle

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