CN106041421A - Stabilizing treatment technology of forged piece machining - Google Patents
Stabilizing treatment technology of forged piece machining Download PDFInfo
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- CN106041421A CN106041421A CN201610454411.7A CN201610454411A CN106041421A CN 106041421 A CN106041421 A CN 106041421A CN 201610454411 A CN201610454411 A CN 201610454411A CN 106041421 A CN106041421 A CN 106041421A
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- forging
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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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Abstract
The invention aims at providing a stabilizing treatment technology of forged piece machining. The process of the stabilizing treatment technology comprises the steps of 1, protection coating smearing; 2, preheating before forging; 3, forged piece forging; 4, finish forging treatment; 5, preheating before finish turning, wherein a forged piece is placed in an electric furnace to be preheated to 560 DEG C-580 DEG C, and then the forged piece is discharged out of the furnace after being subjected to furnace cooling to 150 DEG C or below; and 6, finish turning treatment. Stabilizing treatment is carried out on stability of forged piece machining, and therefore the forging ratio is reduced, grains are refined, the mechanical property of the forged piece is improved, special shapes are reduced, the stability of the forged piece is improved, and the forging quality is improved.
Description
Technical field
The present invention relates to the field in terms of forging processing and auxiliary component, particularly at the stabilisation to metal forging
Improvement in terms of reason processing method, refers more particularly to the stabilizing treatment technique of a kind of forging process.
Background technology
Along with China's expanding economy, the living standard of people also increases considerably, growth in the living standard, society to
The requirement of intermetallic composite coating is the most of a relatively high, especially in terms of the processed of forging, due to the length of forging processed and
Sectional dimension is relatively big, when forging, is forged by general forging method, and its forging ratio is often more than 3, due to forging ratio relatively
Greatly, making the horizontal mechanical performance of forging decline, cause forging anisotropy occur, the stability making forging is poor, so that sternly
Ghost image rings the following process of forging.
Therefore it provides the stabilizing treatment technique of a kind of forging process, to can be by the stability to forging process
Carry out stabilizing treatment, to reduce forging ratio, crystal grain carried out micronization processes, improve the mechanical performance of forging, reduce the opposite sex and occur,
Improve the stability of forging, improve forging quality, just become the problem that those skilled in the art need solution badly.
Summary of the invention
It is an object of the invention to provide the stabilizing treatment technique of a kind of forging process, to can be by forging process
Stability carry out stabilizing treatment, to reduce forging ratio, crystal grain is carried out micronization processes, improves the mechanical performance of forging, reduce
The opposite sex occurs, improves the stability of forging, improves forging quality.
For solving technical problem described in background technology, the present invention by the following technical solutions:
A kind of stabilizing treatment technique of forging process, the process of its stabilizing treatment technique is:
Step 1, protective coating are smeared: smear, the forging needing forging before heating at forging before processing
Protective layer is smeared on surface uniformly, smears by forging forges front protective layer, the table of forging during can reduce forging
Carbonization situation in face produces.
Preheating before step 2, forging: be placed in electric furnace by forging and carry out being previously heated to 350 DEG C 380 DEG C, then will
Forging after heating carries out being incubated 2 2.5 hours, forging can be made to carry out high temperature forging when forging by the preheating before forging
Time can carry out moulding process in shorter time, make forging easier.
Step 3, forging process for fuel: by forging equipment by after METAL HEATING PROCESS, carry out forging molding, by metal according to accordingly
Require that forging is forged.
Step 4, finish forge process: forging after forging enters stove immediately and is heated to 1000 DEG C 1100 DEG C insulations, heat time heating time
Being set to 5 10min, temperature retention time is set to 15 20min, the most again forging is put into cyclic water tank and is cooled to room temperature, reaches
Grain refinement, and forging is heated several times warming up treatment, Quenching Treatment of lowering the temperature after melting down heating by multiple high temp,
To improve the plasticity of forging, reach the effect of crystal grain thinning, to improve the plasticity of forging.
Preheat before step 5, finish turning: forging is placed in electric furnace and carries out being previously heated to 560 DEG C 580 DEG C, then will
Forging after heating carries out being incubated 5 5.5 hours, and then furnace cooling is come out of the stove after less than 150 DEG C, and cool time is set as
12 hours, by preheating before finish turning, it is possible to increase further crystal grain is refined, it is possible to ensure to process at finish turning
Time forging can not become, it is ensured that forging precision during finish turning.
Step 6, finish turning process: the forging after forging is carried out final step finish turning process, can be become half by finish turning
The blank of product carries out finish turning process, to complete the processing of forging.
Preferably, the material smearing protective layer in described step 1 is CVD coating, by using this coating, it is possible to
Preferably reduce the generation of decarburized layer.
Preferably, before the finish turning in described step 5, preheating temperature during preheating is set to preheat the ceiling temperature of temperature,
Using 580 DEG C in this process, and tapping temperature is set to 120 DEG C, carrying out high temperature preheating can be carried out more forging
Sufficiently preheating, makes the effect of preheating reach best.
Preferably, the finish forge in described step 4 processes and is divided into three finish forges, forging is carried out heating for multiple times and water tank is cold
But processing, wherein the temperature of heating and thermal insulation reduces step by step, and respectively 1100 DEG C, 1050 DEG C, 1000 DEG C.Temperature retention time subtracts step by step
Few, and respectively 20min, 18min, 15min, by repeatedly finish forge, and finish forge of lowering the temperature step by step processes, it is possible to more abundant
Forging is carried out finish forge process, can preferably reduce again in forging process the change of crystal grain big, to affect horizontal plasticity.
Preferably, the gentle heat-retaining condition that the adds when finish forge in described step 4 processes is vacuum environment, in vacuum environment
Under when can make heating and air exclusion, reduce the forging when heat treated and aoxidize with air, to affect the forging of forging
Effect.
The invention has the beneficial effects as follows:
1), by the stability of forging process is carried out stabilizing treatment, to reduce forging ratio, crystal grain is carried out at refinement
Reason.
2), improve forging mechanical performance, reduce the opposite sex occur, improve forging stability, improve forging quality.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, the present invention will be made into one below
Being discussed in detail of step.
A kind of stabilizing treatment technique of forging process, the process of its stabilizing treatment technique is:
Step 1, protective coating are smeared: smear, the forging needing forging before heating at forging before processing
Protective layer is smeared on surface uniformly, smears by forging forges front protective layer, the table of forging during can reduce forging
Carbonization situation in face produces.
Preheating before step 2, forging: be placed in electric furnace by forging and carry out being previously heated to 380 DEG C, then by after heating
Forging carries out being incubated 2.5 hours, more when forging can be enable to carry out high temperature forging when forging by the preheating before forging
Carry out in short time moulding process, make forging easier.
Step 3, forging process for fuel: by forging equipment by after METAL HEATING PROCESS, carry out forging molding, by metal according to accordingly
Require that forging is forged.
Step 4, finish forge process: forging after forging enters stove immediately and is heated to 1100 DEG C of insulations, be set to heat time heating time
10min, temperature retention time is set to 0min, the most again forging is put into cyclic water tank and is cooled to room temperature, reaches Grain refinement, and
And forging is heated several times warming up treatment, and melt down, by multiple high temp, Quenching Treatment of lowering the temperature after heating, can with improve forging
Plasticity, reaches the effect of crystal grain thinning, to improve the plasticity of forging.
Preheat before step 5, finish turning: forging is placed in electric furnace and carries out being previously heated to 580 DEG C, then by after heating
Forging carries out being incubated 5.5 hours, and then furnace cooling is come out of the stove after less than 150 DEG C, is set as 2 hours cool time, by essence
Preheating of Herba Plantaginis, it is possible to increase further crystal grain is refined, it is possible to ensure that forging can not be sent out when finish turning processes
Change into, it is ensured that forging precision during finish turning.
Step 6, finish turning process: the forging after forging is carried out final step finish turning process, can be become half by finish turning
The blank of product carries out finish turning process, to complete the processing of forging.
In the present embodiment, the material smearing protective layer in described step 1 is CVD coating, by using this coating,
Can preferably reduce the generation of decarburized layer.
In the present embodiment, before the finish turning in described step 5, preheating temperature during preheating is set to preheat the upper limit temperature of temperature
Degree, uses 580 DEG C, and tapping temperature is set to 120 DEG C in this process, carrying out high temperature preheating can be carried out more forging
Add sufficiently preheating, make the effect of preheating reach best.
In the present embodiment, the finish forge in described step 4 processes and is divided into three finish forges, and forging is carried out heating for multiple times and water
Case cooling processes, and wherein the temperature of heating and thermal insulation reduces step by step, and respectively 1100 DEG C, 1050 DEG C, 1000 DEG C.Temperature retention time by
Level reduces, and respectively 20min, 18min, 15min, and by repeatedly finish forge, and finish forge of lowering the temperature step by step processes, it is possible to more
Sufficiently forging is carried out finish forge process, can preferably reduce again the change of crystal grain in forging process big, the most plastic with impact
Property.
In the present embodiment, the gentle heat-retaining condition that the adds when finish forge in described step 4 processes is vacuum environment, in vacuum
When can make heating under environment and air exclusion, reduce the forging when heat treated and aoxidize with air, to affect forging
Forging effect.
When being embodied as, by this batch of forging being carried out stabilizing treatment before finish forge in present invention process, forging is at electric furnace
In be heated to 560 DEG C～580 DEG C, be incubated 5 hours, come out of the stove below furnace cooling to 150 DEG C, refine with the crystal grain to forging
Process, to improve the stabilisation of forging, it is possible to ensure that forging is indeformable when finish turning.
By the way of explanation, only describe some one exemplary embodiment of the present invention above, undoubtedly, for ability
The those of ordinary skill in territory, in the case of without departing from the spirit and scope of the present invention, can be by various different modes to institute
The embodiment described is modified.Therefore, foregoing description is the most illustrative, should not be construed as wanting right of the present invention
Ask the restriction of protection domain.
Claims (5)
1. the stabilizing treatment technique of a forging process, it is characterised in that the process of its stabilizing treatment technique is:
Step 1, protective coating are smeared: smear, the forging needing forging before heating on the surface of forging before processing
Smear protective layer uniformly.
Preheating before step 2, forging: be placed in electric furnace by forging and carry out being previously heated to 350 DEG C 380 DEG C, then will heating
After forging carry out being incubated 2 2.5 hours.
Step 3, forging process for fuel: by forging equipment by after METAL HEATING PROCESS, carry out forging molding, by metal according to corresponding requirement
Forge.
Step 4, finish forge process: forging after forging entering stove immediately and is heated to 1000 DEG C 1100 DEG C insulations, heat time heating time is arranged
Being 5 10min, temperature retention time is set to 15 20min, the most again forging is put into cyclic water tank and is cooled to room temperature, reaches refinement
Crystal grain effect, and forging is heated several times warming up treatment.
Preheat before step 5, finish turning: forging is placed in electric furnace and carries out being previously heated to 560 DEG C 580 DEG C, then will heating
After forging carry out being incubated 5 5.5 hours, then furnace cooling is come out of the stove after less than 150 DEG C, is set as that 12 is little cool time
Time.
Step 6, finish turning process: the forging after forging is carried out final step finish turning process.
The stabilizing treatment technique of a kind of forging process the most according to claim 1, it is characterised in that described step 1
In the material smearing protective layer be CVD coating.
The stabilizing treatment technique of a kind of forging process the most according to claim 1, it is characterised in that described step 5
In finish turning before preheating time preheating temperature be set to preheating temperature ceiling temperature, this process uses 580 DEG C, and
Tapping temperature is set to 120 DEG C.
The stabilizing treatment technique of a kind of forging process the most according to claim 1, it is characterised in that described step 4
In finish forge process and be divided into three finish forges, forging is carried out heating for multiple times and water tank cooling and processes, the wherein temperature of heating and thermal insulation
Reduce step by step, and respectively 1100 DEG C, 1050 DEG C, 1000 DEG C.Temperature retention time reduces step by step, and respectively 20min, 18min,
15min。
The stabilizing treatment technique of a kind of forging process the most according to claim 1, it is characterised in that described step 4
In the finish forge gentle heat-retaining condition that adds when processing be vacuum environment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610454411.7A CN106041421B (en) | 2016-06-20 | 2016-06-20 | A kind of stabilizing treatment technique of forging process |
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| CN201610454411.7A CN106041421B (en) | 2016-06-20 | 2016-06-20 | A kind of stabilizing treatment technique of forging process |
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| CN106041421B CN106041421B (en) | 2018-05-08 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262642A (en) * | 2017-06-21 | 2017-10-20 | 安徽金越轴承有限公司 | Process for stabilizing is forged in a kind of bearing holder (housing, cover) hot extrusion |
| CN107900627A (en) * | 2017-12-27 | 2018-04-13 | 重庆市华阳光学仪器有限公司 | A kind of telescope steel stent forging molding process |
| CN108188334A (en) * | 2017-12-29 | 2018-06-22 | 重庆全茂合渝科技有限公司 | A kind of air valve of motor cycle rocker arm shaft forging technology |
| CN111097873A (en) * | 2019-12-25 | 2020-05-05 | 徐州比亚机械设备有限公司 | Processing technology of trailer connecting frame |
| CN111167986A (en) * | 2020-02-26 | 2020-05-19 | 建龙北满特殊钢有限责任公司 | Forging method for improving net shape of roller blank by using radial forging machine |
| CN113290179A (en) * | 2021-05-25 | 2021-08-24 | 浙江洋平机械股份有限公司 | Forging process of motorcycle handle |
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| CN1492942A (en) * | 2001-01-11 | 2004-04-28 | ���Ͽع�����˾ | Tantalum and niobium billets and methods of producing the same |
| CN1966176A (en) * | 2006-09-12 | 2007-05-23 | 钟六妹 | Forging method of high grade carbon steel hook, ring parts |
| CN104589005A (en) * | 2015-01-15 | 2015-05-06 | 四川众友机械有限责任公司 | Molding process for straight bevel gear |
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| CN1492942A (en) * | 2001-01-11 | 2004-04-28 | ���Ͽع�����˾ | Tantalum and niobium billets and methods of producing the same |
| CN1439467A (en) * | 2002-10-23 | 2003-09-03 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for extruding and precisive roller forging thermal strength titanium alloy blades |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262642A (en) * | 2017-06-21 | 2017-10-20 | 安徽金越轴承有限公司 | Process for stabilizing is forged in a kind of bearing holder (housing, cover) hot extrusion |
| CN107900627A (en) * | 2017-12-27 | 2018-04-13 | 重庆市华阳光学仪器有限公司 | A kind of telescope steel stent forging molding process |
| CN108188334A (en) * | 2017-12-29 | 2018-06-22 | 重庆全茂合渝科技有限公司 | A kind of air valve of motor cycle rocker arm shaft forging technology |
| CN111097873A (en) * | 2019-12-25 | 2020-05-05 | 徐州比亚机械设备有限公司 | Processing technology of trailer connecting frame |
| CN111167986A (en) * | 2020-02-26 | 2020-05-19 | 建龙北满特殊钢有限责任公司 | Forging method for improving net shape of roller blank by using radial forging machine |
| CN113290179A (en) * | 2021-05-25 | 2021-08-24 | 浙江洋平机械股份有限公司 | Forging process of motorcycle handle |
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| Publication number | Publication date |
|---|---|
| CN106041421B (en) | 2018-05-08 |
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