CN107159738A - A kind of processing technology of aluminium alloy beater or beat-up - Google Patents
A kind of processing technology of aluminium alloy beater or beat-up Download PDFInfo
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- CN107159738A CN107159738A CN201710522067.5A CN201710522067A CN107159738A CN 107159738 A CN107159738 A CN 107159738A CN 201710522067 A CN201710522067 A CN 201710522067A CN 107159738 A CN107159738 A CN 107159738A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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Abstract
The invention belongs to smelting and processing of metals industry technical field, and in particular to a kind of processing technology of aluminium alloy beater or beat-up；Including following procedure of processing：（1）Extrusion forming,（2）Heating and thermal insulation,（3）Quenching Treatment,（4）Profile amendment,（5）Differential arc oxidation.Aluminium alloy extrusions is squeezed into workpiece base by the present invention by extruder, the hardness of workpiece is improved by heating quenching again, then the finishing of workpiece base is polished into complete workpiece, it is again that workpiece plates the special electroplating film of last layer by differential arc oxidization technique, improves high temperature resistant, anti-oxidant, the corrosion resistant ability of workpiece.A kind of beater or beat-up of the processing technology production for aluminium alloy beater or beat-up that the present invention is provided has structural strength high, wear-resisting oxidation resistant feature；And the weight of beater or beat-up can be significantly improved, production cost is reduced, with practical value well.
Description
Technical field
The invention belongs to mechanical industry technical field, and in particular to a kind of processing technology of aluminium alloy beater or beat-up.
Background technology
Beater or beat-up is the vehicle-body outer panel for covering wheel, because the old-fashioned vehicle body component shape and position are gained the name like pinion.Its
Above the wheel for being configured in vehicle, as the outside plate of vehicle side surface side, and by ester moulding, beater or beat-up is by outer plate portion and reinforcement
Portion is formed as one with resin, wherein, outer plate portion is exposed to vehicular sideview, and rib is along configuration in the adjoining abutted with outer plate portion
The edge part extension of the outer plate portion of the inside of part, meanwhile, along between the edge part and the rib of outer plate portion, it is formed with
Auxiliary section for fit adjacent part.The effect of beater or beat-up is, in vehicle traveling process, prevents the sand rolled by wheel
Stone, mud splash the bottom in compartment.It is therefore desirable to which used material has weather-resistant and good molding processibility.
The wing of some cars is made with the plastic material for having certain elasticity.Plastic material has resiliency, relatively safety.Santana
There are 2 beater or beat-ups above car or so front-wheel, weigh about 1.8Kg, it is to be formed with toughening modifying PP through injection moulding；Heavy truck this
The beater or beat-up of Tai Er king is made using FRP fiberglass SMC material；The beater or beat-up of steyr 1491 is then made using PU elastomers.
From now on, it is a kind of relatively broad developing direction with PA/PP alloy injection mouldings.
Beater or beat-up on present automobile is mainly made up of steel alloy and composite, and steel alloy has relatively more high-strength
Degree, preferably can protect car body in fast running and complex road condition, but weight is also relatively heavy, advanced composite material (ACM) solution
Certainly structural strength and light-weighted two problems, can meet the requirement of structural strength, can also accomplish that weight is lighter, this is being chased after
The today for seeking lightweight automobile is a kind of extraordinary material, but composite cost is higher, can not quickly reduce production
In the case of cost, it is difficult to carry out large-scale application.
The content of the invention
For problem above, it is an object of the invention to provide a kind of processing technology of aluminium alloy beater or beat-up, technique profit
With the beater or beat-up used in a kind of aluminium alloy production automobile slight with extraordinary structure.Tied well so that beater or beat-up has
Structure intensity, can also have lighter own wt, and reduce the production cost of beater or beat-up.
A kind of processing technology of aluminium alloy beater or beat-up, comprises the following steps：
（1）Extrusion forming：Size aluminium alloy extrusions cut into needed for preprocessing part, is heated to 375- in holding furnace
450 DEG C, it is put into by the clamping of traction vehicle clamper in mould molding hole, uses extruder extrusion forming, obtain aluminium alloy beater or beat-up blank.
（2）Heating and thermal insulation：By the aluminium alloy beater or beat-up blank of traction machine travel extrusion forming, blank is placed into holding furnace
Conveyer belt on, 30-45s is incubated in holding furnace.
（3）Quenching Treatment：Aluminium alloy beater or beat-up blank after heating and thermal insulation is moved into the quenching passage with cold water,
The cool time is 10-15s in passage.
（4）Profile amendment：By the retained part of aluminium alloy beater or beat-up blank and other unnecessary outline portions excisions, and by base
The burr at the edge of part is polished smooth with polishing machine, obtains beater or beat-up part.
（5）Differential arc oxidation：Beater or beat-up part after polishing is put into containing sodium metasilicate, Boratex sodium, potassium hydroxide, dioxygen
In the aqueous solution of water, carborundum and stabilizer, wherein the concentration of each composition is：Silicate 3.2-3.6mol/L, Boratex sodium
2.2-2.7 mol/L, potassium hydroxide 0.5-0.9 mol/L, additive 0.1-0.4 mol/L open the pulse power and electrolyte are entered
Row electrolysis, obtains the beater or beat-up part with ceramic membrane, by part distilled water flushing 1-3min, and with silicon carbide paper by ceramic layer
Polish smooth.
It is preferred that, step（1）The briquetting pressure of the extruder is 300-350t.
It is preferred that, step（2）Temperature in the holding furnace is 421-530 DEG C.
It is preferred that, step（5）The additive is sodium phosphate.
It is preferred that, step（5）The pH value of the electrolyte is 10-12.
It is preferred that, step（5）The differential arc oxidation time is 40-50min, and electrolyte temperature is 30-45 DEG C.
It is preferred that, step（5）The voltage range of the pulse power is 200-350V, and current density is 10-15A/dm.
It is preferred that, step（5）The FREQUENCY CONTROL of the electric current is between 850-950Hz.
Compared with prior art, the invention has the advantages that：
A kind of processing technology for aluminium alloy beater or beat-up that the present invention is provided, the beater or beat-up of the technique productions is used as original by the use of aluminium alloy
Material, this kind of material is handled by special processing process, with good structural strength, it is ensured that the structure of automobile is steady
Fixed and security, is difficult to form crackle, is influenceed smaller by ambient temperature, service life is longer in use.
Use aluminium alloy to cause vehicle body deadweight reduction with respect to steel and alloy, realize the lightweight of automobile integral body, carry
High travel speed, reduces oil consumption, more energy-conserving and environment-protective.
The processing technology is relative to the beater or beat-up manufactured using composites such as carbon fiber, titanium alloys, and production cost is lower,
Technological process is simpler, with higher economic benefit.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Embodiment 1
（1）Extrusion forming：Size aluminium alloy extrusions cut into needed for preprocessing part, is heated to 450 DEG C in holding furnace,
It is put into by the clamping of traction vehicle clamper in mould molding hole, uses extruder extrusion forming, the briquetting pressure of extruder is 350t, is obtained
Aluminium alloy beater or beat-up blank.
（2）Heating and thermal insulation：By the aluminium alloy beater or beat-up blank of traction machine travel extrusion forming, blank is placed into holding furnace
Conveyer belt on, it is 530 DEG C that temperature in 45s, holding furnace is incubated in holding furnace.
（3）Quenching Treatment：Aluminium alloy beater or beat-up blank after heating and thermal insulation is moved into the quenching passage with cold water,
The cool time is 15s in passage.
（4）Profile amendment：By the retained part of aluminium alloy beater or beat-up blank and other unnecessary outline portions excisions, and by base
The burr at the edge of part is polished smooth with polishing machine, obtains beater or beat-up part.
（5）Differential arc oxidation：Beater or beat-up part after polishing is put into containing sodium metasilicate, Boratex sodium, potassium hydroxide, dioxygen
In the aqueous solution of water, carborundum and stabilizer, wherein the concentration of each composition is：Silicate 3.6mol/L, Boratex sodium 2.7
Mol/L, the mol/L of potassium hydroxide 0.9, the mol/L of sodium phosphate 0.4, the pH value of electrolyte is 12, and electrolyte temperature is 45 DEG C, is opened
Pulse current source is electrolysed to electrolyte, and the voltage of the pulse power is 350V, and current density is 15A/dm, differential arc oxidation time
For 50min, the FREQUENCY CONTROL of electric current obtains the beater or beat-up part with ceramic membrane between 850-950Hz, by part distilled water
3min is rinsed, and is polished smooth ceramic layer with silicon carbide paper.
Embodiment 2
（1）Extrusion forming：Size aluminium alloy extrusions cut into needed for preprocessing part, is heated to 375 DEG C in holding furnace,
It is put into by the clamping of traction vehicle clamper in mould molding hole, uses extruder extrusion forming, the briquetting pressure of extruder is 300t, is obtained
Aluminium alloy beater or beat-up blank.
（2）Heating and thermal insulation：By the aluminium alloy beater or beat-up blank of traction machine travel extrusion forming, blank is placed into holding furnace
Conveyer belt on, it is 425 DEG C that temperature in 30s, holding furnace is incubated in holding furnace.
（3）Quenching Treatment：Aluminium alloy beater or beat-up blank after heating and thermal insulation is moved into the quenching passage with cold water,
The cool time is 10s in passage.
（4）Profile amendment：By the retained part of aluminium alloy beater or beat-up blank and other unnecessary outline portions excisions, and by base
The burr at the edge of part is polished smooth with polishing machine, obtains beater or beat-up part.
（5）Differential arc oxidation：Beater or beat-up part after polishing is put into containing sodium metasilicate, Boratex sodium, potassium hydroxide, dioxygen
In the aqueous solution of water, carborundum and stabilizer, wherein the concentration of each composition is：Silicate 3.2mol/L, Boratex sodium 2.2
Mol/L, the mol/L of potassium hydroxide 0.5, the mol/L of sodium phosphate 0.1, the pH value of electrolyte is 10, and electrolyte temperature is 30 DEG C, is opened
Pulse current source is electrolysed to electrolyte, and the voltage of the pulse power is 220V, and current density is 10A/dm, differential arc oxidation time
For 40min, the FREQUENCY CONTROL of electric current obtains the beater or beat-up part with ceramic membrane between 850-950Hz, by part distilled water
1min is rinsed, and is polished smooth ceramic layer with silicon carbide paper.
Embodiment 3
（1）Extrusion forming：Size aluminium alloy extrusions cut into needed for preprocessing part, is heated to 400 DEG C in holding furnace,
It is put into by the clamping of traction vehicle clamper in mould molding hole, uses extruder extrusion forming, the briquetting pressure of extruder is 320t, is obtained
Aluminium alloy beater or beat-up blank.
（2）Heating and thermal insulation：By the aluminium alloy beater or beat-up blank of traction machine travel extrusion forming, blank is placed into holding furnace
Conveyer belt on, it is 475 DEG C that temperature in 40s, holding furnace is incubated in holding furnace.
（3）Quenching Treatment：Aluminium alloy beater or beat-up blank after heating and thermal insulation is moved into the quenching passage with cold water,
The cool time is 12s in passage.
（4）Profile amendment：By the retained part of aluminium alloy beater or beat-up blank and other unnecessary outline portions excisions, and by base
The burr at the edge of part is polished smooth with polishing machine, obtains beater or beat-up part.
（5）Differential arc oxidation：Beater or beat-up part after polishing is put into containing sodium metasilicate, Boratex sodium, potassium hydroxide, dioxygen
In the aqueous solution of water, carborundum and stabilizer, wherein the concentration of each composition is：Silicate 3.4mol/L, Boratex sodium 2.4
Mol/L, potassium hydroxide 0.7 mol/L, sodium phosphate 0.2mol/L, the pH value of electrolyte is 11, and electrolyte temperature is 40 DEG C, open-minded
The pulse power is electrolysed to electrolyte, and the voltage of the pulse power is 300V, and current density is 12A/dm, and the differential arc oxidation time is
45min, the FREQUENCY CONTROL of electric current obtains the beater or beat-up part with ceramic membrane, part is rushed with distilled water between 850-950Hz
2min is washed, and is polished smooth ceramic layer with silicon carbide paper.
Embodiment 4
（1）Extrusion forming：Size aluminium alloy extrusions cut into needed for preprocessing part, is heated to 420 DEG C in holding furnace,
It is put into by the clamping of traction vehicle clamper in mould molding hole, uses extruder extrusion forming, the briquetting pressure of extruder is 310t, is obtained
Aluminium alloy beater or beat-up blank.
（2）Heating and thermal insulation：By the aluminium alloy beater or beat-up blank of traction machine travel extrusion forming, blank is placed into holding furnace
Conveyer belt on, it is 520 DEG C that temperature in 42s, holding furnace is incubated in holding furnace.
（3）Quenching Treatment：Aluminium alloy beater or beat-up blank after heating and thermal insulation is moved into the quenching passage with cold water,
The cool time is 12s in passage.
（4）Profile amendment：By the retained part of aluminium alloy beater or beat-up blank and other unnecessary outline portions excisions, and by base
The burr at the edge of part is polished smooth with polishing machine, obtains beater or beat-up part.
（5）Differential arc oxidation：Beater or beat-up part after polishing is put into containing sodium metasilicate, Boratex sodium, potassium hydroxide, dioxygen
In the aqueous solution of water, carborundum and stabilizer, wherein the concentration of each composition is：Silicate 3.3mol/L, Boratex sodium 2.5
Mol/L, the mol/L of potassium hydroxide 0.8, the mol/L of sodium phosphate 0.2, the pH value of electrolyte is 12, and electrolyte temperature is 37 DEG C, is opened
Pulse current source is electrolysed to electrolyte, and the voltage of the pulse power is 340V, and current density is 11A/dm, differential arc oxidation time
For 48min, the FREQUENCY CONTROL of electric current obtains the beater or beat-up part with ceramic membrane between 850-950Hz, by part distilled water
2.5min is rinsed, and is polished smooth ceramic layer with silicon carbide paper.
Embodiment 5
（1）Extrusion forming：Size aluminium alloy extrusions cut into needed for preprocessing part, is heated to 425 DEG C in holding furnace,
It is put into by the clamping of traction vehicle clamper in mould molding hole, uses extruder extrusion forming, the briquetting pressure of extruder is 315t, is obtained
Aluminium alloy beater or beat-up blank.
（2）Heating and thermal insulation：By the aluminium alloy beater or beat-up blank of traction machine travel extrusion forming, blank is placed into holding furnace
Conveyer belt on, it is 510 DEG C that temperature in 37s, holding furnace is incubated in holding furnace.
（3）Quenching Treatment：Aluminium alloy beater or beat-up blank after heating and thermal insulation is moved into the quenching passage with cold water,
The cool time is 12s in passage.
（4）Profile amendment：By the retained part of aluminium alloy beater or beat-up blank and other unnecessary outline portions excisions, and by base
The burr at the edge of part is polished smooth with polishing machine, obtains beater or beat-up part.
（5）Differential arc oxidation：Beater or beat-up part after polishing is put into containing sodium metasilicate, Boratex sodium, potassium hydroxide, dioxygen
In the aqueous solution of water, carborundum and stabilizer, wherein the concentration of each composition is：Silicate 3.2mol/L, Boratex sodium 2.5
Mol/L, the mol/L of potassium hydroxide 0.9, the mol/L of sodium phosphate 0.3, the pH value of electrolyte is 12, and electrolyte temperature is 37 DEG C, is opened
Pulse current source is electrolysed to electrolyte, and the voltage of the pulse power is 250V, and current density is 10A/dm, differential arc oxidation time
For 47min, the FREQUENCY CONTROL of electric current obtains the beater or beat-up part with ceramic membrane between 850-950Hz, by part distilled water
3min is rinsed, and is polished smooth ceramic layer with silicon carbide paper.
Performance test：
Method of testing with national standard is added according to the general aluminium of GBT 3880-2006 industry and aluminium alloy plate, to the reality of the present invention
The tensile strength for applying example and common alloy steel and carbon fiber beater or beat-up test obtaining following result：
Table 1：The tensile strength test result of embodiment
| Embodiment | Steel alloy | Carbon fiber | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Tensile strength（Rm/MPa） | 264 | 278 | 259 | 258 | 253 | 255 | 257 |
Test result shows that the beater or beat-up tensile strength of the present embodiment is suitable with the beater or beat-up performance of steel alloy and composite,
And the technique of the present invention also has production cost low, product weight relatively light advantage.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of processing technology of aluminium alloy beater or beat-up, it is characterised in that：Comprise the following steps：
（1）Extrusion forming：Size aluminium alloy extrusions cut into needed for preprocessing part, is heated to 375- in holding furnace
450 DEG C, it is put into by the clamping of traction vehicle clamper in mould molding hole, uses extruder extrusion forming, obtain aluminium alloy beater or beat-up blank；
（2）Heating and thermal insulation：By the aluminium alloy beater or beat-up blank of traction machine travel extrusion forming, blank is placed into the biography of holding furnace
Send and take, 30-45s is incubated in holding furnace；
（3）Quenching Treatment：Aluminium alloy beater or beat-up blank after heating and thermal insulation is moved into the quenching passage with cold water, in passage
The middle cool time is 10-15s；
（4）Profile amendment：By the retained part of aluminium alloy beater or beat-up blank and other unnecessary outline portions excisions, and by blank
The burr at edge is polished smooth with polishing machine, obtains beater or beat-up part；
（5）Differential arc oxidation：By the beater or beat-up part after polishing be put into containing sodium metasilicate, Boratex sodium, potassium hydroxide, hydrogen peroxide,
In the aqueous solution of carborundum and stabilizer, wherein the concentration of each composition is：Silicate 3.2-3.6mol/L, Boratex sodium 2.2-
2.7 mol/L, potassium hydroxide 0.5-0.9 mol/L, additive 0.1-0.4 mol/L, open the pulse power and electrolyte are carried out
Electrolysis, obtains the beater or beat-up part with ceramic membrane, by part distilled water flushing 1-3min, and is beaten ceramic layer with silicon carbide paper
Ground smooth.
2. a kind of processing technology of aluminium alloy beater or beat-up according to claim 1, it is characterised in that：Step（1）It is described to squeeze
The briquetting pressure of press is 300-350t.
3. a kind of processing technology of aluminium alloy beater or beat-up according to claim 1, it is characterised in that：Step（2）It is described to protect
Temperature in warm stove is 421-530 DEG C.
4. a kind of processing technology of aluminium alloy beater or beat-up according to claim 1, it is characterised in that：Step（5）It is described to add
Plus agent is sodium phosphate.
5. a kind of processing technology of aluminium alloy beater or beat-up according to claim 1, it is characterised in that：Step（5）The electricity
The pH value for solving liquid is 10-12.
6. a kind of processing technology of aluminium alloy beater or beat-up according to claim 1, it is characterised in that：Step（5）It is described micro-
Arc oxidization time is 40-50min, and electrolyte temperature is 30-45 DEG C.
7. a kind of processing technology of aluminium alloy beater or beat-up according to claim 1, it is characterised in that：Step（5）The arteries and veins
The voltage range for rushing power supply is 200-350V, and current density is 10-15A/dm.
8. a kind of processing technology of aluminium alloy beater or beat-up according to claim 1, it is characterised in that：Step（5）The electricity
The FREQUENCY CONTROL of stream is between 850-950Hz.
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Cited By (4)
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| CN108315609A (en) * | 2018-01-24 | 2018-07-24 | 合肥同佑电子科技有限公司 | A kind of aluminum alloy casing of electronic product |
| CN113353155A (en) * | 2021-06-21 | 2021-09-07 | 合肥至信机械制造有限公司 | Fender mounting bracket and working method thereof |
| CN114043317A (en) * | 2021-10-21 | 2022-02-15 | 常州市丰润特种纤维有限公司 | Surface treatment method for enhancing fatigue resistance of metal matrix composite |
| CN117428631A (en) * | 2023-11-23 | 2024-01-23 | 浙江铭博汽车部件股份有限公司 | Manufacturing method of high-strength light-weight vehicle fender |
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| CN113353155A (en) * | 2021-06-21 | 2021-09-07 | 合肥至信机械制造有限公司 | Fender mounting bracket and working method thereof |
| CN114043317A (en) * | 2021-10-21 | 2022-02-15 | 常州市丰润特种纤维有限公司 | Surface treatment method for enhancing fatigue resistance of metal matrix composite |
| CN117428631A (en) * | 2023-11-23 | 2024-01-23 | 浙江铭博汽车部件股份有限公司 | Manufacturing method of high-strength light-weight vehicle fender |
| CN117428631B (en) * | 2023-11-23 | 2024-04-02 | 浙江铭博汽车部件股份有限公司 | Manufacturing method of high-strength light-weight vehicle fender |
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Application publication date: 20170915 |