1) What is a bumper? A bumper is a shield made of steel, aluminium, rubber, or plastic that is mounted on the front and rear of a passenger car. When a low speed collision occurs, the bumper system absorbs the shock to prevent or reduce damage to the car. Some bumpers use energy absorbers or brackets and others are made with a foam cushioning material. http://www.nhtsa.dot.gov/cars/problems/studies/Bumper/Index.html …
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showed last 75 words of 998 total
…require a rigorous approach to assessing the current state of a stamping process. Stamping operation can be Stretching, drawing, bending or bending and straightening. www.yellowmustangregistry.com/SSinserts.html www.newsteel.com/AssociationNews/NS0009ass.htm www.autofieldguide.com/columns/jeff/0900mat.html http://www.geplastics.com/resins/global/pdf/europe_guides/assemeng.pdf http://aolsearch.aol.co.uk/web?query=processes+used+in+plastic+car+bumper+&location=wholeweb&isinit=true