CN107116167A - A kind of forging technology of auto parts - Google Patents
A kind of forging technology of auto parts Download PDFInfo
- Publication number
- CN107116167A CN107116167A CN201710563922.7A CN201710563922A CN107116167A CN 107116167 A CN107116167 A CN 107116167A CN 201710563922 A CN201710563922 A CN 201710563922A CN 107116167 A CN107116167 A CN 107116167A
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- CN
- China
- Prior art keywords
- forging
- blank
- auto parts
- heating
- die
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of forging technology of auto parts, examined including determining that measure once heats three heating hot trimming pickling heat treatment forging of the secondary die forging of a die forging reheating, pass through heating for multiple times and multiple die forging, auto parts can be carried out with more accurate forging, the problem of preventing a forging parts coarse occurs.
Description
Technical field
The present invention relates to auto parts processing technology field, more particularly to a kind of forging technology of auto parts.
Background technology
Auto parts machinery processing is the product for constituting the overall each unit of auto parts machinery processing and serving auto parts machinery processing,
The processing of auto parts is needed by forging.
Such as patent CN200610051614.8 makes technique the invention discloses a kind of cold closed-die forging of automobile bearing Internal and external cycle
And its forging mold.It is that what is carried out at normal temperatures connect near net-shaped precision forging technology that the cold closed-die forging, which makes technique, using combined type
Forging mold, including blanking, pretreatment, high pressure forging molding and forging postprocessing working procedures, described high pressure forging molding process
Extruding preheating and extrusion forming step comprising link-up operation.The forging mold is combined type forging mold, mainly by upper and lower mould
Frame, drift, flange body, fastener are constituted, and drift is mounted in top mold frame after being connected with flange body and fixed by fastener, upper,
The supporting correspondence of lower mold holder, the center of described drift is drilled with a through hole, and drift is in upper coarse and lower fine circle with flange body junction
Cone.The present invention has that converted products quality is good, manufacturing cost is low, producing equipment small investment, can accomplish scale production, forge
Mould has rational in infrastructure, service life long, can complete to extrude the advantage of preheating step in forging.There is part and add in the technique
Work precision is not high, the problem of part is coarse.
The content of the invention
A kind of forging technology of auto parts, its step includes：
(1) size is determined：Determine the forging processing dimension of auto parts blank；
(2) blanking：Using abrasive wheel cutting machine blanking, face work, rounding R5；
(3) once heat：Heated using electric furnace, 400-500 DEG C of furnace temperature, heat blank, soaking time 100-200min；
(4) die forgings：Forging equipment is 6800kN friction presses, by blank pressure first on the upset die of forging die
It is flat, then keep flat in type groove material and carry out die forging, and under-voltage 2.0-3.0mm；
(5) reheating：Blank, 450-550 DEG C of furnace temperature are heated, the heating and thermal insulation time is 20-50min；
(6) secondary die forging：Forging mold is placed on heating 2 hours in the electric furnace that temperature is 900-1200 DEG C, then rapidly
Take out, part is placed in one, forged in nominal pressure for quick-make on 315-500t forcing press, forging time is
30-60 seconds；
(7) three heating：Blank, 500-600 DEG C of furnace temperature are heated, the heating and thermal insulation time is 10-15min；
(8) hot trimming：By the edge redundance excision of blank；
(9) pickling：Part is subjected to pickling；
(10) it is heat-treated：By the quenching of Technology for Heating Processing code, artificial aging；
(11) forging is examined：100% checks part indices, and qualified is finished product.
It is preferred that, the part blank used in the step (1) is the steel material containing 10% aluminium component.
It is preferred that, the step (3) preheats to blank before heating, and temperature is 60 DEG C.
It is preferred that, made annealing treatment after step (8) hot trimming.
It is preferred that, the annealing process is：After the completion of forging, moved back in the electric furnace that part is placed on to 100-200 DEG C
Fire, annealing time is 15 minutes.
It is preferred that, the lotion that step (9) pickling is used is volume ratio hydrochloric acid：Hydrofluoric acid：Water 1:2:3 mixing is washed
Agent.
Beneficial effect：The invention provides a kind of forging technology of auto parts, including determine size-blanking-once plus
- die forging-reheating of the heat-heating-hot trimming-pickling-heat treatment-of secondary die forging-three times forging is examined, by repeatedly adding
Auto parts can be carried out more accurate forging by hot and multiple die forging, and the problem of preventing a forging parts coarse occurs,
The part blank used in the step (1) is the steel material containing 10% aluminium component, and the material can be heated in steel part
The diaphragm of densification is formed in journey, the quality of auto parts can be effectively lifted, the step (3) is entered to blank before heating
Row preheating, temperature is 60 DEG C, and preheating enables to the change of part adaptive temperature, prevent it is heated suddenly part is damaged, institute
Made annealing treatment after stating step (8) hot trimming, the annealing process is：After the completion of forging, part is placed on 100-200 DEG C
Electric furnace in annealed, annealing time is 15 minutes, and the technique can be effectively to part, can be except residual stress, stably
Size, reduces deformation and crackle tendency, and the lotion that step (9) pickling is used is volume ratio hydrochloric acid：Hydrofluoric acid：Water 1:2:3
Mixing lotion, the lotion can eliminate the dirty of piece surface so that piece surface is more smooth.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, is expanded on further the present invention.
Embodiment 1：
A kind of forging technology of auto parts, its step includes：
(1) size is determined：The forging processing dimension of auto parts blank is determined, the part blank used is to contain 10% aluminium
The steel material of composition；
(2) blanking：Using abrasive wheel cutting machine blanking, face work, rounding R5；
(3) once heat：Blank is preheated before heating, temperature is 60 DEG C, is heated using electric furnace, 400 DEG C of furnace temperature, plus
Hot blank, soaking time 200min；
(4) die forgings：Forging equipment is 6800kN friction presses, by blank pressure first on the upset die of forging die
It is flat, then keep flat in type groove material and carry out die forging, and under-voltage 2.0mm；
(5) reheating：Blank, 450 DEG C of furnace temperature are heated, the heating and thermal insulation time is 50min；
(6) secondary die forging：Forging mold is placed on heating 2 hours in the electric furnace that temperature is 900 DEG C, then rapid to take out,
Part is placed in one, forged in nominal pressure for quick-make on 315t forcing press, forging time is 60 seconds；
(7) three heating：Blank, 500 DEG C of furnace temperature are heated, the heating and thermal insulation time is 15min；
(8) hot trimming：The edge redundance of blank is cut off, made annealing treatment after hot trimming, annealing process is：Forging
After the completion of making, part is placed in 100 DEG C of electric furnace and annealed, annealing time is 15 minutes；
(9) pickling：Part is subjected to pickling, the lotion used is volume ratio hydrochloric acid：Hydrofluoric acid：Water 1:2:3 mixing is washed
Agent；
(10) it is heat-treated：By the quenching of Technology for Heating Processing code, artificial aging；
(11) forging is examined：100% checks part indices, and qualified is finished product.
Embodiment 2：
A kind of forging technology of auto parts, its step includes：
(1) size is determined：The forging processing dimension of auto parts blank is determined, the part blank used is to contain 10% aluminium
The steel material of composition；
(2) blanking：Using abrasive wheel cutting machine blanking, face work, rounding R5；
(3) once heat：Blank is preheated before heating, temperature is 60 DEG C, is heated using electric furnace, 450 DEG C of furnace temperature, plus
Hot blank, soaking time 150min；
(4) die forgings：Forging equipment is 6800kN friction presses, by blank pressure first on the upset die of forging die
It is flat, then keep flat in type groove material and carry out die forging, and under-voltage 2.5mm；
(5) reheating：Blank, 500 DEG C of furnace temperature are heated, the heating and thermal insulation time is 35min；
(6) secondary die forging：Forging mold is placed on heating 2 hours in the electric furnace that temperature is 1000 DEG C, then rapid to take out,
Part is placed in one, forged in nominal pressure for quick-make on 408t forcing press, forging time is 45 seconds；
(7) three heating：Blank, 550 DEG C of furnace temperature are heated, the heating and thermal insulation time is 12min；
(8) hot trimming：The edge redundance of blank is cut off, made annealing treatment after hot trimming, annealing process is：Forging
After the completion of making, part is placed in 150 DEG C of electric furnace and annealed, annealing time is 15 minutes；
(9) pickling：Part is subjected to pickling, the lotion used is volume ratio hydrochloric acid：Hydrofluoric acid：Water 1:2:3 mixing is washed
Agent；
(10) it is heat-treated：By the quenching of Technology for Heating Processing code, artificial aging；
(11) forging is examined：100% checks part indices, and qualified is finished product.
Embodiment 3：
A kind of forging technology of auto parts, its step includes：
(1) size is determined：The forging processing dimension of auto parts blank is determined, the part blank used is to contain 10% aluminium
The steel material of composition；
(2) blanking：Using abrasive wheel cutting machine blanking, face work, rounding R5；
(3) once heat：Blank is preheated before heating, temperature is 60 DEG C, is heated using electric furnace, 500 DEG C of furnace temperature, plus
Hot blank, soaking time 100min；
(4) die forgings：Forging equipment is 6800kN friction presses, by blank pressure first on the upset die of forging die
It is flat, then keep flat in type groove material and carry out die forging, and under-voltage 3.0mm；
(5) reheating：Blank, 550 DEG C of furnace temperature are heated, the heating and thermal insulation time is 20min；
(6) secondary die forging：Forging mold is placed on heating 2 hours in the electric furnace that temperature is 1200 DEG C, then rapid to take out,
Part is placed in one, forged in nominal pressure for quick-make on 500t forcing press, forging time is 30 seconds；
(7) three heating：Blank, 600 DEG C of furnace temperature are heated, the heating and thermal insulation time is 10min；
(8) hot trimming：The edge redundance of blank is cut off, made annealing treatment after hot trimming, annealing process is：Forging
After the completion of making, part is placed in 200 DEG C of electric furnace and annealed, annealing time is 15 minutes；
(9) pickling：Part is subjected to pickling, the lotion used is volume ratio hydrochloric acid：Hydrofluoric acid：Water 1:2:3 mixing is washed
Agent；
(10) it is heat-treated：By the quenching of Technology for Heating Processing code, artificial aging；
(11) forging is examined：100% checks part indices, and qualified is finished product.
The sample for extracting each embodiment is tested and analyzed, and is compareed with prior art, draws following data：
It can be drawn according to above table data, when implementing 3 parameter of embodiment, the forging work of auto parts of the present invention
Skill, its technological parameter is that auto parts qualification rate is 99%, and part hardness is 460HRB, and part compressive property is 1742kgf/
cm2, auto parts service life is 12 years, and prior art standard automobile part qualification rate is 95%, and part hardness is
388HRB, part compressive property is 1523kgf/cm2, auto parts service life is 10 years, the forging of auto parts of the present invention
Auto parts prepared by technique possess higher qualification rate, higher hardness, higher compressive property, and part service life is more
It is long, therefore the present invention has significant superiority.
The invention provides a kind of forging technology of auto parts, the invention provides a kind of forging work of auto parts
Skill, including determination size-blanking-once heat-die forging-reheating-heating of secondary die forging-three times-hot trimming-acid
- forging inspection is washed-be heat-treated, by heating for multiple times and multiple die forging, auto parts can be carried out with more accurate forging, prevented
A problem of only forging parts are coarse occurs, and the part blank used in the step (1) is the steel containing 10% aluminium component
Material, the material can form the diaphragm of densification in steel part heating process, can effectively lift the matter of auto parts
Amount, the step (3) preheats to blank before heating, and temperature is 60 DEG C, and preheating enables to the change of part adaptive temperature
Change, preventing from being heated suddenly causes part to be damaged, and is made annealing treatment after step (8) hot trimming, the annealing process is：Forging
After the completion of making, annealed in the electric furnace that part is placed on to 100-200 DEG C, annealing time is 15 minutes, and the technique can have
Effect to part, can remove residual stress, stable dimensions, reduce deformation and crackle tendency, what step (9) pickling was used washes
Agent is volume ratio hydrochloric acid：Hydrofluoric acid：Water 1:2:3 mixing lotion, the lotion can eliminate the dirty of piece surface so that part
Surface is more smooth.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (6)
1. a kind of forging technology of auto parts, it is characterised in that its preparation process includes：
(1) size is determined：Determine the forging processing dimension of auto parts blank；
(2) blanking：Using abrasive wheel cutting machine blanking, face work, rounding R5；
(3) once heat：Heated using electric furnace, 400-500 DEG C of furnace temperature, heat blank, soaking time 100-200min；
(4) die forgings：Forging equipment is 6800kN friction presses, first flattens blank on the upset die of forging die, then
Material is kept flat in type groove and carries out die forging, and under-voltage 2.0-3.0mm；
(5) reheating：Blank, 450-550 DEG C of furnace temperature are heated, the heating and thermal insulation time is 20-50min；
(6) secondary die forging：Forging mold is placed on heating 2 hours in the electric furnace that temperature is 900-1200 DEG C, then rapid to take out,
Part is placed in one, forged in nominal pressure for quick-make on 315-500t forcing press, forging time is 30-60
Second；
(7) three heating：Blank, 500-600 DEG C of furnace temperature are heated, the heating and thermal insulation time is 10-15min；
(8) hot trimming：By the edge redundance excision of blank；
(9) pickling：Part is subjected to pickling；
(10) it is heat-treated：By the quenching of Technology for Heating Processing code, artificial aging；
(11) forging is examined：100% checks part indices, and qualified is finished product.
2. a kind of forging technology of the auto parts described in claim 1, it is characterised in that zero used in the step (1)
Part blank is the steel material containing 10% aluminium component.
3. the forging technology of the auto parts described in a kind of claim 1, it is characterised in that the step (3) is right before heating
Blank is preheated, and temperature is 60 DEG C.
4. the forging technology of the auto parts described in a kind of claim 1, it is characterised in that step (8) hot trimming is laggard
Row annealing.
5. the forging technology of auto parts according to claim 4, it is characterised in that the annealing process is：Forge
Annealed in Cheng Hou, the electric furnace that part is placed on to 100-200 DEG C, annealing time is 15 minutes.
6. the forging technology of the auto parts described in a kind of claim 1, it is characterised in that step (9) pickling is used
Lotion is volume ratio hydrochloric acid：Hydrofluoric acid：Water 1:2:3 mixing lotion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710563922.7A CN107116167A (en) | 2017-07-12 | 2017-07-12 | A kind of forging technology of auto parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710563922.7A CN107116167A (en) | 2017-07-12 | 2017-07-12 | A kind of forging technology of auto parts |
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| CN107116167A true CN107116167A (en) | 2017-09-01 |
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ID=59731046
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|---|---|---|---|
| CN201710563922.7A Pending CN107116167A (en) | 2017-07-12 | 2017-07-12 | A kind of forging technology of auto parts |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555531A (en) * | 2017-12-29 | 2018-09-21 | 天津圣金特汽车配件有限公司 | A kind of forging technology of auto parts connecting rod blank |
| CN110076523A (en) * | 2019-04-04 | 2019-08-02 | 苏州胜利精密制造科技股份有限公司 | A kind of manufacturing method of laptop case |
| CN110605539A (en) * | 2019-09-23 | 2019-12-24 | 临海市乾鑫锻件有限公司 | Production process of rod end bearing and material cutting equipment for production |
| CN110948243A (en) * | 2019-12-17 | 2020-04-03 | 江苏珀然车轮智造有限公司 | Passenger car forging production process |
| CN111633163A (en) * | 2020-05-14 | 2020-09-08 | 上海盈豪锻造有限公司 | Forging and pressing processing technology and processing system thereof |
| CN113669528A (en) * | 2021-09-01 | 2021-11-19 | 扬中市旭晨精密模锻有限公司 | Flange forging and forging method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555531A (en) * | 2017-12-29 | 2018-09-21 | 天津圣金特汽车配件有限公司 | A kind of forging technology of auto parts connecting rod blank |
| CN110076523A (en) * | 2019-04-04 | 2019-08-02 | 苏州胜利精密制造科技股份有限公司 | A kind of manufacturing method of laptop case |
| CN110605539A (en) * | 2019-09-23 | 2019-12-24 | 临海市乾鑫锻件有限公司 | Production process of rod end bearing and material cutting equipment for production |
| CN110948243A (en) * | 2019-12-17 | 2020-04-03 | 江苏珀然车轮智造有限公司 | Passenger car forging production process |
| CN111633163A (en) * | 2020-05-14 | 2020-09-08 | 上海盈豪锻造有限公司 | Forging and pressing processing technology and processing system thereof |
| CN113669528A (en) * | 2021-09-01 | 2021-11-19 | 扬中市旭晨精密模锻有限公司 | Flange forging and forging method thereof |
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