CN110306134A - A kind of pretreating process of ramming metal plate - Google Patents
A kind of pretreating process of ramming metal plate Download PDFInfo
- Publication number
- CN110306134A CN110306134A CN201910606993.XA CN201910606993A CN110306134A CN 110306134 A CN110306134 A CN 110306134A CN 201910606993 A CN201910606993 A CN 201910606993A CN 110306134 A CN110306134 A CN 110306134A
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- China
- Prior art keywords
- ramming
- metal plate
- pretreating process
- pickling
- processing
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- 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
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention provides a kind of pretreating process of ramming metal plate, the ramming metal plate is aluminum alloy materials, and the pretreating process includes the following steps: a) to make annealing treatment, b) immersing in liquid nitrogen cooling processing, c) pickling processes, d) lonneal processing.Present invention discloses a kind of pretreating process of ramming metal plate, the pretreating process is easy to implement, is scientific and reasonable, the plasticity of ramming metal plate is not only greatly enhanced, but also significantly reduces burr incidence, has better meet the stamping requirement of ramming metal plate.
Description
Technical field
The present invention relates to a kind of pretreating process more particularly to a kind of pretreating process of ramming metal plate, belong to metal plate
Processing technique field.
Background technique
Panel beating is the essential together of the processing technology and metal plate formed product that one kind is important in machining
Process.Panel beating be include the methods of traditional cutting stock, punch press process, curved pressing formation and technological parameter, and include
Various Cold pressing die lamps structures and technological parameter, various equipment working principles and operating method further include new stamping technology and new
Technique.Panel beating master operation is shearing, bent buckling side, brake forming, welding, riveting etc..
Currently, the application of aluminium alloy extrusions is than wide in sheet metal processing field.Aluminum alloy materials metal plate usually needs to lead to
It crosses Sheet Metal Forming Technology and carries out hole and boundary forming, and aluminium alloy often will appear significantly collapse angle, euphotic belt during Sheet Metal Forming Technology
The defects of accounting is small, burr is more, these defects not only affect the presentation quality of metal plate product, have also seriously affected metal plate production
The service performance of product.In order to overcome drawbacks described above, common measure is exactly to eliminate aluminium alloy material using certain treatment process
The internal stress of material, the plasticity for changing aluminum alloy materials, the tissue and size for stablizing aluminum alloy materials.
Summary of the invention
For the demand, the present invention provides a kind of pretreating process of ramming metal plate, which implements
It is easy, scientific and reasonable, the plasticity of ramming metal plate is not only greatly enhanced, but also significantly reduce burr incidence, preferably
Meet the stamping requirement of ramming metal plate.
The present invention is a kind of pretreating process of ramming metal plate, and the ramming metal plate is aluminum alloy materials, and described is pre-
Treatment process includes the following steps: a) to make annealing treatment, b) immersing in liquid nitrogen cooling processing, c) pickling processes, d) lonneal processing.
In a preferred embodiment of the present invention, in the step a), the process conditions of annealing are as follows: annealing temperature
550~560 DEG C, 2~3h of soaking time.
In a preferred embodiment of the present invention, in the step b), immersing in liquid nitrogen cooling processing temperature fall time be 8~
10h。
In a preferred embodiment of the present invention, in the step c), pickling processes include the following steps: 1) with acetic acid into
Row pickling, pickling time are 2~3min；2) it is rinsed with deionized water, washing time is 5~6min；3) 180 DEG C of drying boxes
Middle dry 10min.
In a preferred embodiment of the present invention, in the step d), the process conditions of lonneal processing are as follows: tempering temperature
220~230 DEG C of degree, 8~9h of soaking time.
Present invention discloses a kind of pretreating process of ramming metal plate, which is easy to implement, is scientific and reasonable,
The plasticity of ramming metal plate is not only greatly enhanced, but also significantly reduces burr incidence, has better meet ramming metal plate
The stamping requirement of gold.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is the process step diagram of ramming metal plate pretreating process of the embodiment of the present invention.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Fig. 1 is the process step diagram of ramming metal plate pretreating process of the embodiment of the present invention；The pretreating process includes such as
Lower step: a) make annealing treatment, b) immersing in liquid nitrogen cooling processing, c) pickling processes, d) lonneal processing.
Embodiment 1
Specific processing method is as follows:
A) it makes annealing treatment, the ramming sheet metal work of aluminum alloy materials is put into heating furnace first, be heated to 550 DEG C, heat preservation
Then 3h cools to room temperature taking-up with the furnace.Sheet metal work is after annealing, and internal stress is basically eliminated, thus rear
It can achieve the purpose that stable dimensions in continuous punch process, improve plasticity, reduce deformation and warpage.
B) immersing in liquid nitrogen cooling is handled, and the sheet metal work after annealing is put into -196 DEG C of liquid nitrogen environments first, is soaked
10h is steeped, then takes out and stands 1h, be warmed to room temperature.After immersing in liquid nitrogen subzero treatment, plasticity is significantly mentioned sheet metal work
Height, burr incidence significantly reduce.
C) pickling processes, first will cooling treated that sheet metal work is put into pickling tube, carry out pickling, pickling with acetic acid
Time is 3min, and the metal oxide layer of workpiece surface can be removed by pickling, to guarantee workpiece punch process quality；Then
It is rinsed again with sheet metal work of the deionized water to pickling, washing time 6min, to remove workpiece surface residual pickling
Liquid；Finally sheet metal work is placed in 180 DEG C of drying boxes, is taken out after dry 10min.
D) lonneal is handled, and the sheet metal work after pickling processes is put into heating furnace first, is heated to 220 DEG C, is protected
Then warm 9h cools to room temperature taking-up with the furnace.After lonneal is handled, plasticity is further enhanced sheet metal work,
It is hereby achieved that preferable resistance to stress and resistance to corrosion.
Embodiment 2
Specific processing method is as follows:
A) it makes annealing treatment, the ramming sheet metal work of aluminum alloy materials is put into heating furnace first, be heated to 560 DEG C, heat preservation
Then 2h cools to room temperature taking-up with the furnace.Sheet metal work is after annealing, and internal stress is basically eliminated, thus rear
It can achieve the purpose that stable dimensions in continuous punch process, improve plasticity, reduce deformation and warpage.
B) immersing in liquid nitrogen cooling is handled, and the sheet metal work after annealing is put into -196 DEG C of liquid nitrogen environments first, is soaked
8h is steeped, then takes out and stands 1h, be warmed to room temperature.After immersing in liquid nitrogen subzero treatment, plasticity is significantly mentioned sheet metal work
Height, burr incidence significantly reduce.
C) pickling processes, first will cooling treated that sheet metal work is put into pickling tube, carry out pickling, pickling with acetic acid
Time is 2min, and the metal oxide layer of workpiece surface can be removed by pickling, to guarantee workpiece punch process quality；Then
It is rinsed again with sheet metal work of the deionized water to pickling, washing time 5min, to remove workpiece surface residual pickling
Liquid；Finally sheet metal work is placed in 180 DEG C of drying boxes, is taken out after dry 10min.
D) lonneal is handled, and the sheet metal work after pickling processes is put into heating furnace first, is heated to 230 DEG C, is protected
Then warm 8h cools to room temperature taking-up with the furnace.After lonneal is handled, plasticity is further enhanced sheet metal work,
It is hereby achieved that preferable resistance to stress and resistance to corrosion.
Present invention discloses a kind of pretreating process of ramming metal plate, which is easy to implement, is scientific and reasonable,
The plasticity of ramming metal plate is not only greatly enhanced, but also significantly reduces burr incidence, has better meet ramming metal plate
The stamping requirement of gold.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any to be familiar with
Those skilled in the art within the technical scope disclosed by the invention, without the variation that creative work is expected or can replace
It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Protection scope subject to.
Claims (5)
1. a kind of pretreating process of ramming metal plate, which is characterized in that the ramming metal plate is aluminum alloy materials, described
Pretreating process include the following steps: a) make annealing treatment, b) immersing in liquid nitrogen cooling processing, c) pickling processes, d) lonneal
Processing.
2. the pretreating process of ramming metal plate according to claim 1, which is characterized in that in the step a), move back
The process conditions of fire processing are as follows: 550~560 DEG C of annealing temperature, 2~3h of soaking time.
3. the pretreating process of ramming metal plate according to claim 1, which is characterized in that in the step b), liquid
The temperature fall time that nitrogen impregnates cooling processing is 8~10h.
4. the pretreating process of ramming metal plate according to claim 1, which is characterized in that in the step c), acid
It washes processing to include the following steps: 1) to carry out pickling with acetic acid, pickling time is 2~3min；2) it is rinsed, is rushed with deionized water
Washing the time is 5~6min；3) dry 10min in 180 DEG C of drying boxes.
5. the pretreating process of ramming metal plate according to claim 1, which is characterized in that low in the step d)
The process conditions of warm tempering are as follows: 220~230 DEG C of tempering temperature, 8~9h of soaking time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606993.XA CN110306134A (en) | 2019-07-06 | 2019-07-06 | A kind of pretreating process of ramming metal plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910606993.XA CN110306134A (en) | 2019-07-06 | 2019-07-06 | A kind of pretreating process of ramming metal plate |
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| CN110306134A true CN110306134A (en) | 2019-10-08 |
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| CN103717774A (en) * | 2011-07-29 | 2014-04-09 | 新日铁住金株式会社 | High-strength zinc-plated steel sheet and high-strength steel sheet having superior moldability, and method for producing each |
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Application publication date: 20191008 |
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