What materials are used to manufacture ABS braking systems and why are those materials used?

December 30, 2009

What materials are used to manufacture ABS braking systems and why are those materials used?

Filed under: Engineering — Tags: Extrude, Extruded, extruded aluminum, Extruder, Extruding, Extrusion, extrusion process, Extrusions — Bruno Holloway @ 6:59 am

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The routine of extrusion has a lot of types, and one of them is called plastic extrusion. In this process, raw plastic is used and transformed to manufacture assorted items such as rods, seals, plastic tubing, adhesive tape and plastic sheets by using tools like plastic extruders.

Some of the most ordinarily employed plastic materials in plastic extrusion are nylon, polycarbonate, acetal, polyethylene, ABS or acrylonitrile butadiene styrene and acrylic.

What are the types of plastic extrusion?

1. Blown film extrusion

This method is employed when you want to manufacture plastic films to develop buying goods bags and objects similar to that. It is in general similar to a regular extrusion except for the die. In this method, the die used is like an upright cylinder that has a circular opening that may be as little as a couple of centimeters in diameter to as huge as at least three meters. One vantage of this method is the quality variations it may provide.

2. Sheet or film extrusion

In this method, the materials are cooled by pulling them through a series of cooling rolls. They are also competent to achieve the desired surface texture and sheet thickness thru this method. A routine that follows this peculiar extrusion routine is called thermoforming, in which a sheet is exposed to heat until it turns into soft plastic so that you may mold it into any shape. But, if you are going to use vacuum when doing this, the method is called vacuum forming.

3. Tubing extrusion

In this process, plastic extruders are used to create tubes like medical tubing and drinking straws. It is also similar to regular extrusion except for the die. In this case, a mandrel or pin is employed to extrude hollow sections. You may use one or various die depending on the number of lumens or holes necessary.

4. Compound extrusion

This routine uses one or a combining of assorted polymers to develop plastic compounds. You may use powder, liquid or pellets as feeds for injection molding and extrusion. Machineries are exceedingly helpful if you determine to use this method. You may get those little laboratory machines or those big extruders found in huge industries.

Those are just four of the numerous extrusion processes known today. They have evolved and bettered over the years. Each of them has it is own vantages and less favorable advantages over the others. Each also requires dissimilar types of equipment.

What Materials Are Used To Manufacture Abs Braking Systems And Why Are Those Materials Used

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Comments (2)

2 Comments

Humberto

An anti-lock braking system, or ABS (from the German, Antiblockiersystem) is a safety system which prevents the wheels on a motor vehicle from locking while braking.
A rotating road wheel allows the driver to maintain steering control under heavy braking by preventing a skid and allowing the wheel to continue interacting tractively with the road surface as directed by driver steering inputs. While ABS offers improved vehicle control, and may decrease stopping distances on dry and especially slippery surfaces, it can also increase braking distance on loose surfaces such snow and gravel . ABS has also been claimed to create a false sense of security in some drivers, who may drive more aggressively as a result, but a reduced level of braking in some other drivers when they feel the ABS pulsating.
Since initial widespread use in production cars, anti-lock braking systems have evolved considerably. Recent versions not only prevent wheel lock under braking, but also electronically control the front-to-rear brake bias. This function, depending on its specific capabilities and implementation, is known as electronic brakeforce distribution (EBD), traction control system, emergency brake assist, or electronic stability control.

The anti-lock brake controller is also known as the CAB (Controller Anti-lock Brake).

A typical ABS is composed of a central electronic control unit (ECU), four wheel speed sensors — one for each wheel — and two or more hydraulic valves within the brake hydraulics. The ECU constantly monitors the rotational speed of each wheel, and when it detects a wheel rotating significantly slower than the others — a condition indicative of impending wheel lock — it actuates the valves to reduce hydraulic pressure to the brake at the affected wheel, thus reducing the braking force on that wheel. The wheel then turns faster; when the ECU detects it is turning significantly faster than the others, brake hydraulic pressure to the wheel is increased so the braking force is reapplied and the wheel slows. This process is repeated continuously, and can be detected by the driver via brake pedal pulsation. A typical anti-lock system can apply and release braking pressure up to 20 times a second

For more information try
en.wikipedia.org/wiki/Anti-lock_braking_system

The other ABS is the Air Bag System which protect the vehicle impact at the time of impact.

But neither ABS is a braking system. Anti Braking prevents the vehicle from skidding especially on wet surfaces.

Comment by Carlos — December 31, 2009 @ 8:12 pm
Ines

You have above an explanation of what ABS brake systems are.
They were developed as an attempt to “idiot proof” automotive braking.
Lots of accidents happen because drivers brake too hard, locking the wheels (especially the front wheels) in an emergency.
Wet or slippery road coditions are other areas where the technology can help.
In a sense, therefore, they are innovative. They provide a further addition to road safety.
They are an electronically controlled hydraulic system.
Disadvantages?
More complications for cars, more things to go wrong, could result in causing accident.
Can actually extend a braking distance, resulting in accident, sometimes.
Advantages?
The idiot proofing, and probably lots more sensible than electric windows, heated seats, and all the other unnecessary paraphanalia a modern car is fitted with, in order to gain sales.
The materials used are based on time proven braking system componentry, with electronic complications.

Comment by Wanda — December 31, 2009 @ 11:40 pm

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December 30, 2009

What materials are used to manufacture ABS braking systems and why are those materials used?

Find What Materials Are Used To Manufacture Abs Braking Systems And Why Are Those Materials Used at Amazon

What Materials Are Used To Manufacture Abs Braking Systems And Why Are Those Materials Used

2 Comments