CN107283122A - A kind of manufacturing process of automobile hollow semiaxis - Google Patents
A kind of manufacturing process of automobile hollow semiaxis Download PDFInfo
- Publication number
- CN107283122A CN107283122A CN201710483074.9A CN201710483074A CN107283122A CN 107283122 A CN107283122 A CN 107283122A CN 201710483074 A CN201710483074 A CN 201710483074A CN 107283122 A CN107283122 A CN 107283122A
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- Prior art keywords
- semiaxis
- automobile
- flange
- steel pipe
- automobile hollow
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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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- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of manufacturing process of automobile hollow semiaxis, comprise the following steps:a)Forged flange blank;b)Flange profile turning;c)Ring flange drilling, chamfering and drill centers;d)Steel pipe cutting, end face, interior chamfering turning;e)Rub spline with the hands;f)It is friction welded;g)Intermediate frequency is heat-treated and lonneal;h)Alignment;i)Flange smart car;j)Antirust and packaging.The present invention is using hollow cold pipe of taking out instead of solid rod iron, the moiety by weight of semiaxis major axis can be reduced by 50%~60%, whole branch hollow half axle weight can at least reduce by more than 35% than solid semiaxis, effectively save material and the energy, meet energy-saving and emission-reduction and automotive light weight technology trend;By hollow steel pipe with friction welded into the processing that spline is just completed before whole branch semiaxis, 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 are improved, and effectively reduce production cost.
Description
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 technology
Automobile axle shaft processing technology common at present is that flange blank and bar are passed through into special friction welded equipment pressure
Whole branch automobile axle shaft is connected into, is then processed;Will whole mandrel be molded after reprocess, Workpiece length, volume are all than larger, relatively
The equipment of model is increased the need for answering could complete the processing to workpiece, so that increase the cost of equipment, and whole branch automobile half
Axis blank volume is big, clamping, positions and the easy deviation and loading and unloading handling process is also extremely inconvenient of drilling.
Patent No. 201210167730.1, a kind of entitled automobile axle shaft manufacturing process, its technical scheme is under including
Row step:(1), 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 to use 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 than larger, it is necessary to which the equipment for increasing model could be completed pair
The processing of workpiece, adds the production cost of enterprise, and locating and machining is difficult.
The content of the invention
There is provided a kind of simple in construction, practical it is an object of the invention to overcome above-mentioned weak point of the prior art
The manufacturing process of automobile hollow semiaxis.
The present invention is realized in the following way:
A kind of manufacturing process of automobile hollow semiaxis, it is characterised in that:Comprise the following steps:
A) forged flange blank:Layout design according to automobile hollow semiaxis selects corresponding steel will using forging equipment
Flange blank forging and molding;
B) flange profile turning:Driving advanced to the flange blank that has 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 the bolt hole and centre bore on ring flange are disposably drilled, and
Chamfering;
D) steel pipe cutting, end face, interior chamfering turning:According to the layout design of automobile hollow semiaxis, selection is cold to take out steel pipe, first
Cold steel pipe of taking out is truncated into required length, then turning is cold takes out steel pipe two ends end face and interior chamfering, processes stranding spline and friction
Required positioning reference plane and clip position during crimping;
E) spline is rubbed with the hands:Spline processing is carried out to cold one end for taking out steel pipe;
F) it is friction welded:The ring flange that step c) is processed passes through special friction with the cold steel pipe of taking out that step e) is processed
Crimping apparatus crimps into whole branch hollow half axle;Specifically friction welded technique is:During friction rotating speed control 1420~1500 turns/
Point, composition 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 crimping, natural cooling after the completion of crimping;
G) intermediate frequency heat treatment and lonneal:Automobile axle shaft after being processed using mid-frequency quenching equipment to step f) carries out heat
Processing, the alternating electromagnetic field produced by the induction coil in automobile hollow semiaxis and mid-frequency quenching equipment, in automobile hollow half
Alternating current is induced in axle, due to Kelvin effect, current convergence is on automobile hollow semiaxis surface, automobile hollow semiaxis surface temperature
Spending moment reaches 750~890 DEG C, then rapid water-spraying control, needed for the outer surface and inner surface for making automobile hollow semiaxis reach
Hardness;Then automobile hollow semiaxis is inserted into low-temp temper furnace, is incubated 1 hour at a temperature of 170~180 DEG C, is cooled back to
Room temperature makes automobile hollow semiaxis have high hardness and wearability and required plasticity and toughness to eliminate quenching stress;
H) alignment:The axial bending produced using straightening equipment to automobile hollow semiaxis in heat treatment process carries out school
Just, automobile hollow semiaxis is justified bounce and meet design requirement;
I) flange smart car:The cold overlap produced when steel pipe is crimped with ring flange of taking out is repaired, while to automobile hollow
The flange end of semiaxis carries out finish turning, to ensure size and Geometrical Tolerance Principle;
J) antirust and packaging:The automobile hollow semiaxis processed is subjected to antirust treatment, then packaging and storage.
The beneficial effects of the present invention are:1st, can be by the part of semiaxis major axis using hollow cold pipe of taking out instead of solid rod iron
Weight reduction 50%~60%, whole branch hollow half axle weight can at least reduce by more than 35% than solid semiaxis, effectively save material
And the energy, meet energy-saving and emission-reduction and automotive light weight technology trend;
2nd, by hollow steel pipe with friction welded into the processing that spline is just completed before whole branch semiaxis, now steel pipe with flange also
Do not crimp, steel pipe profile is smaller, do not limited, can be completed using the gear rolling equipment of common specification by half shaft flange profile size
Spline process requirements, therefore specification of equipment and clamp tool are required to reduce, easy to process, production efficiency and qualification rate are improved, and are had
Effect reduction production cost.
Brief description of the drawings
Fig. 1 step c) structural representations of the present invention;
Fig. 2 step d) structural representations of the present invention;
Fig. 3 step f) structural representations of the present invention;
Fig. 4 step g) structural representations of the present invention.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.Should
Work as understanding, embodiments of the present invention are not limited to the following examples, any formal accommodation done to the present invention
And/or change falls 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, comprises the following steps:
A) forged flange blank:Layout design according to automobile hollow semiaxis selects corresponding steel will using forging equipment
Flange blank forging and molding;
B) flange profile turning:Driving advanced to the flange blank that has 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 the bolt hole 1 and centre bore 2 on ring flange are disposably drilled,
And chamfering;Because now ring flange is not crimped 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, interior chamfering turning:According to the layout design of automobile hollow semiaxis, selection is cold to take out steel pipe, first
Cold steel pipe of taking out is truncated into required length, then turning is cold takes out steel pipe two ends end face and interior chamfering, processes stranding spline and friction
Required positioning reference plane and clip position during crimping;Automobile axle shaft is needed due to function, and the part design of usual axle is longer,
Major axis weight generally accounts for the 70~80% of whole branch semiaxis gross weight, and uses hollow steel pipe to replace solid rod iron, can be by major axis weight
Amount reduction by 50%~60%, whole branch hollow half axle weight can at least reduce by more than 35% than solid semiaxis, effectively save material and
The energy;
E) spline is rubbed with the hands:Spline processing is carried out to cold one end for taking out steel pipe;Because now steel pipe is not crimped also with flange, steel pipe
Profile is smaller, is not limited by half shaft flange profile size, and can complete spline processing using the gear rolling equipment of common specification needs
Ask, therefore specification of equipment and clamp tool are required to reduce, easy to process, production efficiency and qualification rate are improved;
F) it is friction welded:The ring flange that step c) is processed passes through special friction with the cold steel pipe of taking out that step e) is processed
Crimping apparatus crimps into whole branch hollow half axle;Specifically friction welded technique is:During friction rotating speed control 1420~1500 turns/
Point, composition 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 crimping, natural cooling after the completion of crimping;By according to operational characteristic design it is special
Friction welded tool is used, reaches the required precision of crimping, coordinates monitoring system constantly to monitor, it is ensured that the reliability of compression joint technique;
G) intermediate frequency heat treatment and lonneal:Automobile axle shaft after being processed using mid-frequency quenching equipment to step f) carries out heat
Processing, the alternating electromagnetic field produced by the induction coil in automobile hollow semiaxis and mid-frequency quenching equipment, in automobile hollow half
Alternating current is induced in axle, due to Kelvin effect, current convergence is on automobile hollow semiaxis surface, automobile hollow semiaxis surface temperature
Spending moment reaches 750~890 DEG C, then rapid water-spraying control, needed for the outer surface and inner surface for making automobile hollow semiaxis reach
Hardness;Then automobile hollow semiaxis is inserted into low-temp temper furnace, is incubated 1 hour at a temperature of 170~180 DEG C, is cooled back to
Room temperature makes automobile hollow semiaxis have high hardness and wearability and required plasticity and toughness to eliminate quenching stress;
H) alignment:The axial bending produced using straightening equipment to automobile hollow semiaxis in heat treatment process carries out school
Just, automobile hollow semiaxis is justified bounce and meet design requirement;
I) flange smart car:The cold overlap produced when steel pipe is crimped with ring flange of taking out is repaired, while to automobile hollow
The flange end of semiaxis carries out finish turning, to ensure size and Geometrical Tolerance Principle;
J) antirust and packaging:The automobile hollow semiaxis processed is subjected to antirust treatment, then packaging and storage.
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 contrast:The automobile hollow semiaxis manufacturing process process of axle shaft technique more solid than automobile of the application
(patent No. 201210167730.1) from efficiency, cost, or qualification rate no matter all have very big advantage, using hollow steel pipe
Instead of solid rod iron, major axis weight reduction 50%~60%, whole branch hollow half axle weight be able to can at least be reduced than solid semiaxis
More than 35%, effectively save material and the energy.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related 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:Comprise the following steps:
a)Forged flange blank:Layout design according to automobile hollow semiaxis uses forging equipment by method from corresponding steel
Blue blank forging shaping;
b)Flange profile turning:The advanced driving of flange blank forged is cut, flange surface precision drilling and friction is processed
Required positioning reference plane and clip position during crimping;
c)Ring flange drilling, chamfering and drill centers:First the bolt hole and centre bore on ring flange are disposably drilled, and fallen
Angle;
d)Steel pipe cutting, end face, interior chamfering turning:According to the layout design of automobile hollow semiaxis, selection is cold to take out steel pipe, first will be cold
Take out steel pipe and be truncated into required length, then turning is cold takes out steel pipe two ends end face and interior chamfering, process stranding spline and friction welded
When required positioning reference plane and clip position;
e)Rub spline with the hands:Spline processing is carried out to cold one end for taking out steel pipe;
f)It is friction welded:By step c)The ring flange processed and step e)Process it is cold take out steel pipe pass through it is special friction welded
Equipment crimps into whole branch hollow half axle;Specifically friction welded technique is:Rotating speed control makes at 1420~1500 revs/min during friction
Composition surface reaches 820~850 DEG C of forging temperature, when the length of automobile axle shaft reaches layout design size, right moment brake,
Using 120kg/cm2Pressure start crimping, natural cooling after the completion of crimping;
g)Intermediate frequency is heat-treated and lonneal:Using mid-frequency quenching equipment to step f)Automobile axle shaft after processing carries out hot place
Reason, the alternating electromagnetic field produced by the induction coil in automobile hollow semiaxis and mid-frequency quenching equipment, in automobile hollow semiaxis
Alternating current is inside induced, due to Kelvin effect, current convergence is on automobile hollow semiaxis surface, automobile hollow semiaxis surface temperature
Moment reaches 750~890 DEG C, then rapid water-spraying control, and the outer surface and inner surface for making automobile hollow semiaxis are hard needed for reaching
Degree;Then automobile hollow semiaxis is inserted into low-temp temper furnace, is incubated 1 hour at a temperature of 170~180 DEG C, is cooled back to room
Temperature makes automobile hollow semiaxis have high hardness and wearability and required plasticity and toughness to eliminate quenching stress;
h)Alignment:The axial bending produced using straightening equipment to automobile hollow semiaxis in heat treatment process is corrected, and is made
The circle bounce of automobile hollow semiaxis meets design requirement;
i)Flange smart car:The cold overlap produced when steel pipe is crimped with ring flange of taking out is repaired, while to automobile hollow semiaxis
Flange end carry out finish turning, to ensure size and Geometrical Tolerance Principle;
j)Antirust and packaging:The automobile hollow semiaxis processed is subjected to antirust treatment, then packaging and storage.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109434394A (en) * | 2018-12-26 | 2019-03-08 | 湛江明迪汽车零部件制造有限公司 | A kind of high pressure resistant lubricating oil pipe processing method |
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 |
CN110153654A (en) * | 2019-05-24 | 2019-08-23 | 重庆荆江汽车半轴股份有限公司 | Large modulus high rigidity automobile axle shaft spline processing technology |
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 |
CN111791031A (en) * | 2020-07-20 | 2020-10-20 | 陈小苗 | Pipe fitting and flange manufacturing process 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 |
CN114043172A (en) * | 2021-11-12 | 2022-02-15 | 保定市立中车轮制造有限公司 | Commercial vehicle hub machining process |
CN114227169A (en) * | 2021-12-23 | 2022-03-25 | 普乐(合肥)光技术有限公司 | Special high-voltage insulating flange for ion implanter and processing method |
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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 |
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CN102000754A (en) * | 2010-09-26 | 2011-04-06 | 青特集团有限公司 | Manufacturing process of half shaft with flange plate |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109434394A (en) * | 2018-12-26 | 2019-03-08 | 湛江明迪汽车零部件制造有限公司 | A kind of high pressure resistant lubricating oil pipe processing method |
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 |
CN110153654A (en) * | 2019-05-24 | 2019-08-23 | 重庆荆江汽车半轴股份有限公司 | Large modulus high rigidity automobile axle shaft spline processing technology |
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 |
CN111791031A (en) * | 2020-07-20 | 2020-10-20 | 陈小苗 | Pipe fitting and flange manufacturing process and assembling method |
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 |
CN114043172A (en) * | 2021-11-12 | 2022-02-15 | 保定市立中车轮制造有限公司 | Commercial vehicle hub machining process |
CN114227169A (en) * | 2021-12-23 | 2022-03-25 | 普乐(合肥)光技术有限公司 | Special high-voltage insulating flange for ion implanter and processing method |
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 |
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