CN106002122A - Manufacturing process of automobile transmission shaft - Google Patents
Manufacturing process of automobile transmission shaft Download PDFInfo
- Publication number
- CN106002122A CN106002122A CN201610538175.7A CN201610538175A CN106002122A CN 106002122 A CN106002122 A CN 106002122A CN 201610538175 A CN201610538175 A CN 201610538175A CN 106002122 A CN106002122 A CN 106002122A
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- blank
- manufacturing process
- power transmission
- lathe
- 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.)
- Pending
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Classifications
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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
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
- Forging (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention relates to a manufacturing process of an automobile transmission shaft. The manufacturing process comprises the following steps that metallurgical iron-base powders, lubricants and forming agents are uniformly mixed proportionally to obtain a mixed material, the mixed material is placed in a pressing machine to be pressed to form a transmission shaft blank, the transmission shaft blank is placed in a high temperature furnace to be calcined, the calcined blank is subjected to normalizing and shot-blast, unfavorable structures are refined, the blank subjected to normalizing and shot-blast is placed in a phosphating tank and a saponifying tank to be pickled, the pickled blank is placed on a lathe to be roughly turned after being dried, a large amount of margins are removed through rough turning, machining allowance which is 1-1.5 mm is reserved, the roughly turned blank is placed on the lathe to be finished, a transmission shaft is placed in a tempering furnace to be tempered at low temperature, the cleaned transmission shaft is clamped on a rotor of the lathe to be irradiated and hardened with laser to obtain a finished product, and then rust-proof treatment is performed on the finished product. The manufacturing process has the advantages of being reasonable in process, saving raw materials, reducing cost, and being simple and stable to operate, and high in production efficiency, product qualification ratio and forming quality.
Description
Technical field
The invention belongs to auto parts manufacturing technology field, be specifically related to the manufacturing process of a kind of truck drive shaft.
Background technology
Along with economic development, the living standard of the people has obtained significant raising, and automobile more comes as a kind of vehicles
The most common, the requirement of the speed of service of vehicle and comfortableness thereof is also constantly being improved by people, running velocity continuous
Improving, the requirement to the quality of the part of automobile is more and more higher, and meanwhile, the demand of automotive light weight technology, also to strength of materials requirement
More and more higher, in this case, market is more and more higher to dynamic balancing and the requirement of strength of power transmission shaft product, current transmission shaft tube
The bottleneck of middle product dynamic balancing and intensity is on the welded tube in the middle of power transmission shaft, and is affected by actual strength, and this bottleneck is more difficult to be carried
Height, the requirement of truck drive shaft is the highest, and surface quality requirements is high, and rigidity toughness requires height, and truck drive shaft is in work
Time withstand shocks, reversed bending fatigue load and the effect of moment of torsion, it is desirable to material has enough bending strengths, shearing strength and relatively
Good toughness, truck drive shaft not only requires height in inherent quality, and the pursuit of Surface Quality is more and more higher, existing
The quality of the power transmission shaft that the manufacturing process of power transmission shaft produces it cannot be guaranteed that, power transmission shaft is the carrier of vehicle transmission energy, transmission
The quality of axle directly affects automobile and deteriorates the safety in service life and vehicle traveling process, and therefore a kind of operation of design is closed
Manage, save material, cost-effective, simple to operate, production efficiency is high, conforming product rate is high, product surface hardness high, improve and produce
The hardness of product and rigidity, minimizing deformation of products, the manufacturing process of truck drive shaft that forming quality of products is good are to be highly desirable to
, for improving the production efficiency of power transmission shaft and there is service life important effect.
Summary of the invention
The present invention provide for overcoming the deficiencies in the prior art a kind of operation rationally, save material, cost-effective, operation
Simply, production efficiency is high, conforming product rate is high, product surface hardness is high, improve hardness and rigidity, the change of minimizing product of product
The manufacturing process of the truck drive shaft that shape, forming quality of products are good.
The technical scheme is that the manufacturing process of a kind of truck drive shaft, described technique comprise the following steps:
Step one: batch mixing, the most uniformly mixes metallurgy iron based powders, lubricant and forming agent；
Step 2: compacting, puts into press compacting power transmission shaft blank by the mixing material obtained in step one；
Step 3: forging, puts into high temperature furnace calcining by the power transmission shaft blank obtained in step 2；
Step 4: heat treatment, step 3 in the rough forging that obtains carry out normalized treatment and bead, refine bad
Tissue；
Step 5: soak, puts into phosphating pond and saponification pond carries out pickling by obtaining blank in step 4；
Step 6: roughing, by step 5 to blank dry after be placed on lathe and carry out rough turn, rough turn removing is big
Amount surplus, the allowance of reserved 1-1.5mm；
Step 7: polish, is placed on the rough turn blank obtained in step 6 on lathe and carries out polish, by outside blank
Circle, end face shape according to the size finish turning of drawing requirement, and the product surface surface roughness that finish turning shapes is Ra1.6；
Step 8: modifier treatment and Surface hardened layer, puts into tempering furnace by the power transmission shaft obtained in step 7 and carries out low temperature
Tempering, then carries out alignment to whole power transmission shaft；Cleaned drive shaft cartridge is clipped on the rotor of lathe and carries out laser irradiation
Hardening；
Step 9: antirust, shapes needing the cylindricalo grinding coordinated in the power transmission shaft after overcure in step 8, so
Carry out antirust treatment to obtaining finished product afterwards.
The described calcining heat in step 3 is 900 DEG C, and calcination time is 7 hours.
For the zinc calcium phosphorization liquid that volumetric concentration is 10～15%, the temperature of Phosphating Solution in the described phosphating pond in step 5
Being 70～80 DEG C, dip time is half an hour.
The temperature of the described lonneal in step 8 is 200 DEG C.
The described normalizing temperature in step 4 is 950～1100 DEG C.
The invention has the beneficial effects as follows: for zinc calcium-phosphorus ratio that volumetric concentration is 10～15% in the phosphating pond that the present invention uses
Liquid, the temperature 70 of Phosphating Solution～80 DEG C, dip time is half an hour, improves the hardness of power transmission shaft, intensity and suppleness；Low temperature
The temperature of tempering is 200 DEG C, improves intensity and the hardness of power transmission shaft；Laser irradiates hardening laser facing to the biography being rotating
The place to be hardened of moving axis annular surface carries out the irradiation that the angle of cut is 78-85 °, when the spot center point of the annular surface of power transmission shaft
When temperature reaches 1000～1200 DEG C, irradiating the case hardness height terminating power transmission shaft, deformation is few, and quality is high；The present invention has work
Sequence rationally, save material, cost-effective, simple to operate, production efficiency is high, conforming product rate is high, product surface hardness high, carry
The hardness of high product and rigidity, minimizing deformation of products, advantage that forming quality of products is good.
Detailed description of the invention
Embodiment 1
A kind of manufacturing process of truck drive shaft, described technique comprises the following steps:
Step one: batch mixing, the most uniformly mixes metallurgy iron based powders, lubricant and forming agent；
Step 2: compacting, puts into press compacting power transmission shaft blank by the mixing material obtained in step one；
Step 3: forging, puts into high temperature furnace calcining by the power transmission shaft blank obtained in step 2；
Step 4: heat treatment, step 3 in the rough forging that obtains carry out normalized treatment and bead, refine bad
Tissue；
Step 5: soak, puts into phosphating pond and saponification pond carries out pickling by obtaining blank in step 4；
Step 6: roughing, by step 5 to blank dry after be placed on lathe and carry out rough turn, rough turn removing is big
Amount surplus, the allowance of reserved 1-1.5mm；
Step 7: polish, is placed on the rough turn blank obtained in step 6 on lathe and carries out polish, by outside blank
Circle, end face shape according to the size finish turning of drawing requirement, and the product surface surface roughness that finish turning shapes is Ra1.6；
Step 8: modifier treatment and Surface hardened layer, puts into tempering furnace by the power transmission shaft obtained in step 7 and carries out low temperature
Tempering, then carries out alignment to whole power transmission shaft；Cleaned drive shaft cartridge is clipped on the rotor of lathe and carries out laser irradiation
Hardening；
Step 9: antirust, shapes needing the cylindricalo grinding coordinated in the power transmission shaft after overcure in step 8, so
Carry out antirust treatment to obtaining finished product afterwards.
The invention has the beneficial effects as follows: for zinc calcium-phosphorus ratio that volumetric concentration is 10～15% in the phosphating pond that the present invention uses
Liquid, the temperature 70 of Phosphating Solution～80 DEG C, dip time is half an hour, improves the hardness of power transmission shaft, intensity and suppleness；Low temperature
The temperature of tempering is 200 DEG C, improves intensity and the hardness of power transmission shaft；Laser irradiates hardening laser facing to the biography being rotating
The place to be hardened of moving axis annular surface carries out the irradiation that the angle of cut is 78-85 °, when the spot center point of the annular surface of power transmission shaft
When temperature reaches 1000～1200 DEG C, irradiating the case hardness height terminating power transmission shaft, deformation is few, and quality is high；The present invention has work
Sequence rationally, save material, cost-effective, simple to operate, production efficiency is high, conforming product rate is high, product surface hardness high, carry
The hardness of high product and rigidity, minimizing deformation of products, advantage that forming quality of products is good.
Embodiment 2
A kind of manufacturing process of truck drive shaft, described technique comprises the following steps:
Step one: batch mixing, the most uniformly mixes metallurgy iron based powders, lubricant and forming agent；
Step 2: compacting, puts into press compacting power transmission shaft blank by the mixing material obtained in step one；
Step 3: forging, puts into high temperature furnace calcining by the power transmission shaft blank obtained in step 2；
Step 4: heat treatment, step 3 in the rough forging that obtains carry out normalized treatment and bead, refine bad
Tissue；
Step 5: soak, puts into phosphating pond and saponification pond carries out pickling by obtaining blank in step 4；
Step 6: roughing, by step 5 to blank dry after be placed on lathe and carry out rough turn, rough turn removing is big
Amount surplus, the allowance of reserved 1-1.5mm；
Step 7: polish, is placed on the rough turn blank obtained in step 6 on lathe and carries out polish, by outside blank
Circle, end face shape according to the size finish turning of drawing requirement, and the product surface surface roughness that finish turning shapes is Ra1.6；
Step 8: modifier treatment and Surface hardened layer, puts into tempering furnace by the power transmission shaft obtained in step 7 and carries out low temperature
Tempering, then carries out alignment to whole power transmission shaft；Cleaned drive shaft cartridge is clipped on the rotor of lathe and carries out laser irradiation
Hardening；
Step 9: antirust, shapes needing the cylindricalo grinding coordinated in the power transmission shaft after overcure in step 8, so
Carry out antirust treatment to obtaining finished product afterwards.
The described calcining heat in step 3 is 900 DEG C, and calcination time is 7 hours.
For the zinc calcium phosphorization liquid that volumetric concentration is 10～15%, the temperature of Phosphating Solution in the described phosphating pond in step 5
Being 70～80 DEG C, dip time is half an hour.
The temperature of the described lonneal in step 8 is 200 DEG C.
The described normalizing temperature in step 4 is 950～1100 DEG C.
For the zinc calcium phosphorization liquid that volumetric concentration is 10～15% in the phosphating pond that the present invention uses, the temperature 70 of Phosphating Solution～
80 DEG C, dip time is half an hour, improves the hardness of power transmission shaft, intensity and suppleness；The temperature of lonneal is 200
DEG C, improve intensity and the hardness of power transmission shaft；Laser irradiates hardening laser treating firmly facing to the power transmission shaft annular surface being rotating
The irradiation that the angle of cut is 78-85 ° is carried out, when the temperature of the spot center point of the annular surface of power transmission shaft reaches 1000～1200 at change
DEG C time, irradiate that to terminate the case hardness of power transmission shaft high, deformation is few, and quality is high；The present invention have operation rationally, save material,
Cost-effective, simple to operate, production efficiency is high, conforming product rate is high, product surface hardness is high, improve the hardness and just of product
Degree, reduce deformation of products, advantage that forming quality of products is good.
Claims (5)
1. the manufacturing process of a truck drive shaft, it is characterised in that: described technique comprises the following steps:
Step one: batch mixing, the most uniformly mixes metallurgy iron based powders, lubricant and forming agent；
Step 2: compacting, puts into press compacting power transmission shaft blank by the mixing material obtained in step one；
Step 3: forging, puts into high temperature furnace calcining by the power transmission shaft blank obtained in step 2；
Step 4: heat treatment, step 3 in the rough forging that obtains carry out normalized treatment and bead, refine bad group
Knit；
Step 5: soak, puts into phosphating pond and saponification pond carries out pickling by obtaining blank in step 4；
Step 6: roughing, by step 5 to blank dry after be placed on lathe and carry out rough turn, rough turn removing is remaining in a large number
Amount, the allowance of reserved 1～1.5mm；
Step 7: polish, is placed on the rough turn blank obtained in step 6 on lathe and carries out polish, by the cylindrical of blank,
End face shapes according to the size finish turning of drawing requirement, and the product surface surface roughness that finish turning shapes is Ra1.6；
Step 8: modifier treatment and Surface hardened layer, puts into tempering furnace by the power transmission shaft obtained in step 7 and carries out lonneal,
Then whole power transmission shaft is carried out alignment；Cleaned drive shaft cartridge is clipped on the rotor of lathe and carries out laser irradiation hardening；
Step 9: antirust is by needing the cylindricalo grinding coordinated to shape in the power transmission shaft after overcure in step 8, the most right
Obtain finished product and carry out antirust treatment.
The manufacturing process of a kind of truck drive shaft the most as claimed in claim 1, it is characterised in that: forging in described step 3
Burning temperature is 900 DEG C, and calcination time is 7 hours.
The manufacturing process of a kind of truck drive shaft the most as claimed in claim 1, it is characterised in that: the described phosphorus in step 5
Changing in pond as the zinc calcium phosphorization liquid that volumetric concentration is 10～15%, the temperature of Phosphating Solution is 70～80 DEG C, and dip time is half
Hour.
The manufacturing process of a kind of truck drive shaft the most as claimed in claim 1, it is characterised in that: low in described step 8
The temperature of temperature tempering is 200 DEG C.
The manufacturing process of a kind of truck drive shaft the most as claimed in claim 1, it is characterised in that: in described step 4 just
Fire temperature is 950～1100 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610538175.7A CN106002122A (en) | 2016-06-30 | 2016-06-30 | Manufacturing process of automobile transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610538175.7A CN106002122A (en) | 2016-06-30 | 2016-06-30 | Manufacturing process of automobile transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106002122A true CN106002122A (en) | 2016-10-12 |
Family
ID=57109349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610538175.7A Pending CN106002122A (en) | 2016-06-30 | 2016-06-30 | Manufacturing process of automobile transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106002122A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425345A (en) * | 2016-12-09 | 2017-02-22 | 徐玉炜 | Transmission shaft manufacturing process |
| CN107214476A (en) * | 2017-06-07 | 2017-09-29 | 孔晓静 | A kind of heart production method of shaft |
| CN110977350A (en) * | 2019-12-11 | 2020-04-10 | 常德市鼎城区正荣机械制造有限公司 | One-step forming machining method for machining outer circle of main arm mounting shaft |
| CN111299481A (en) * | 2019-11-19 | 2020-06-19 | 湖北坚丰科技股份有限公司 | Closed forging and pressing forming process for gear shaft of new energy automobile engine |
| CN114434104A (en) * | 2022-01-27 | 2022-05-06 | 宝玛医疗科技(无锡)有限公司 | Processing method of nail box base for anastomat |
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| DE10306865B3 (en) * | 2003-02-19 | 2004-08-12 | Daimlerchrysler Ag | Manufacturing method for hardened shaft used in automobile drive transmission has shaft straightened before hardening process |
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| CN103447781A (en) * | 2013-09-06 | 2013-12-18 | 上海秋乐实业有限公司 | Rotor shaft processing technic and rotor shaft thereof |
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| CN105710618A (en) * | 2014-12-04 | 2016-06-29 | 重庆聆益机械有限公司 | 20CrMnTi gear machining process |
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2016
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10306865B3 (en) * | 2003-02-19 | 2004-08-12 | Daimlerchrysler Ag | Manufacturing method for hardened shaft used in automobile drive transmission has shaft straightened before hardening process |
| TWI294812B (en) * | 2006-09-21 | 2008-03-21 | ||
| CN102554583A (en) * | 2010-12-13 | 2012-07-11 | 梦想科技股份有限公司 | Shift joint of steering system for vehicles and manufacturing method thereof |
| CN103447781A (en) * | 2013-09-06 | 2013-12-18 | 上海秋乐实业有限公司 | Rotor shaft processing technic and rotor shaft thereof |
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| CN105710618A (en) * | 2014-12-04 | 2016-06-29 | 重庆聆益机械有限公司 | 20CrMnTi gear machining process |
| CN104668920A (en) * | 2015-01-29 | 2015-06-03 | 柳州市俊杰汽配制造有限公司 | Process for manufacturing transmission shafts of automobiles |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425345A (en) * | 2016-12-09 | 2017-02-22 | 徐玉炜 | Transmission shaft manufacturing process |
| CN107214476A (en) * | 2017-06-07 | 2017-09-29 | 孔晓静 | A kind of heart production method of shaft |
| CN111299481A (en) * | 2019-11-19 | 2020-06-19 | 湖北坚丰科技股份有限公司 | Closed forging and pressing forming process for gear shaft of new energy automobile engine |
| CN111299481B (en) * | 2019-11-19 | 2021-12-07 | 湖北坚丰科技股份有限公司 | Closed forging and pressing forming process for gear shaft of new energy automobile engine |
| CN110977350A (en) * | 2019-12-11 | 2020-04-10 | 常德市鼎城区正荣机械制造有限公司 | One-step forming machining method for machining outer circle of main arm mounting shaft |
| CN110977350B (en) * | 2019-12-11 | 2020-12-11 | 常德市鼎城区正荣机械制造有限公司 | One-step forming machining method for machining outer circle of main arm mounting shaft |
| CN114434104A (en) * | 2022-01-27 | 2022-05-06 | 宝玛医疗科技(无锡)有限公司 | Processing method of nail box base for anastomat |
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| C06 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |