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forged aluminum wheel

forged aluminum wheel
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Product Name:forged aluminum wheel
Place of Origin:Peoples Republic of China
Post Date:March 29, 2012
Edit Date:March 29, 2012
Company Name :
SHANGHAIFORGEDALUMINUMWHEEL
Tel:86-21-52848173
Fax:86-21-52848173
E-mail:forgedwheels@163.com
Detailed Product Description:

Forging aluminum alloy wheel has two kinds of technology, one is the conventional forging method, namely to casting round billet or extrusion billet for the blank, hot forging, heat treatment, machining, surface treatment and after passing the test is finished hub; the other is a semi-solid machinery forging, casting of semi solid also contains 30% to50% is in liquid state forging machine in a rapid prototyping, the key is must produce small uniform spherical crystal ingot, then according to the required quality sawing blank, in a highly automated to strictly control the heating temperature of the furnace heating to semi-solid state. Semi solid die forging are controlled by a computer automated production line, with high productivity, high size precision, reproducibility, cutting quantity is little wait for an advantage, which in the United States and Germany in the last century has entered commercial production.

The same specifications forging aluminum alloy wheel mechanical properties than casting hub high above 18%, so the quality of the former than latter light 15%. Current, forging aluminum alloy wheel hub is about 75% of the United States of America aluminium company. The company was acquired in 1998 the Hungarian a forging plant, to convert it into a big hub forging plant, thereby forestall world truck, large bus Forging Aluminum Alloy production.

Automotive aluminum alloy wheels with American label A356.2 aluminum alloy as the raw materials, it has four big characteristics:

1, improve the driving comfort. Aluminum alloy wheels with the absorption of vibration and rebound strength properties of metals. Integrally molded. Coupled with the use of CNC machining high precision size, roundness, yaw beating small, well balanced.

In 2, normal running, saving on fuel. Because of the change of aluminum alloy wheel weight ( replaced with steel wheel size comparison ), a decrease of four wheel inertia, make the car improved acceleration, and the relative reduction in the braking energy demand, thus reducing the fuel consumption.

3, enhance traffic safety. For high-speed driving in the car, because of tire friction with the ground, such as braking, braking performance at high temperature to produce flat lowered it is often seen. And aluminum alloy wheels of the bulk temperature coefficient ordinary steel wheel two to three times, plus aluminum alloy wheel hub structure, easy tyre, brake system generating heat dissipated in the air. Even in the long time running of continuous braking condition, also can make the wheel system to maintain proper temperature. Not only can reduce the braking system and the wheel of aging, can reduce the flat tire, thereby improving the driving safety.

4, improving the overall appearance. Modification of a set of aluminum alloy wheel hub appearance, fuel economy, and reduce the flat tire, in the high temperature in summer is very suitable.

The price of steel is expensive 3000yuan, strong degree is5 times lighter than the steel ring, steel ring1 times lighter, less than 50kg.

Automobile wheel hub for iron, aluminum alloy wheels, in aluminium alloy wheels production process is divided into gravity, fork pressure (also known as low pressure), forging.

In 1, the gravity of the manufacturing process:

Aluminum ingots aluminum casting factory into water in the hub model from top to bottom stamping,3 minutes only, this technology is suitable for car production plant as a hub supporting.

2, fork pressure (low pressure ) manufacturing process:

Aluminum ingots aluminum factories into water, through a conveying pipe extruded directly onto the wheel model, up and down and pressed,30 minutes only, auto shop to buy hub for technology.

3, forging manufacturing process:

Forged wheels have 4 kinds of surface treatment methods : anodizing, painting, polishing, electroplating. Production processes are as follows:

A, the design of large diameter cylindrical, a key hub is more thick aluminum to forging, with cast aluminum ring hub using the" raw material" the manufacturing method is quite different.

According to B, aluminum hub width required for the number of J cutting aluminum.

C, the aluminum ingot heating to400 degrees Celsius under, you can then prepare for forging.

D, hot forging, tonnage higher forging machine for aluminum ingot temperature is low, the forging products out smaller grain, high toughness.

E, after high temperature and high pressure molding rough blank temperature is very high, the surface is covered with black carbide, must use the fork motivation to carry, and after pickling surface treatment after the rough blank has a hub of the prototype.

F, T4and T6in two kinds of heat treatment processing of long time after heat treatment, rough blank grain will be more compact, product toughness will improve.

G, forged aluminum hub must rely on mechanical processing, rough processing embryo to hub forming, thus including tread molding, screw drill hole, surface turning, detail processing and so on.

H, before painting, must check in a wheel hub surface is flawed.

The above knowledge more professional, may not be well understood, popular speakers, aluminium molecular structure: aluminum alloy wheels aluminum molecules have been destroyed, forging aluminum alloy wheel hub without failure; weight: aluminum wheel weight is very heavy, forged aluminum wheel light weight:4.3kg /15inch16inch6 kg /17inch 7kg / 18inch 7.5kg.

Forged aluminum wheel hub has the advantages of:1, high strength, light weight, high safety;2, fuel oil saving, high economic efficiency . 3, good heat dissipation, long service life, avoid danger. Disadvantages: high prices.

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