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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Manufacturing processes for metal bumpers

I AM A UNIVERSITY STUDENT AND I AM DOING A REPORT ON HOW STEEL BUMPERS ARE MADE, AND I NEED TO DESCRIBE THE MANUFACTURING PROCESSES INVOLVED CAN ANYONE GIVE ME SOME INFORMATION PLEASE.

ADEL FARHAN
COVENTRY UNIVERSITY - BIRMINGHAM, UK
2005

Nowadays, almost only trucks use steel bumpers which are stamped in presses and painted or chrome plated. Common steps for chrome after polishing are (precleaning and in-between rinses omitted): 1-electroclean 2-pickle 3-alkaline copper plate 4-acid copper plate (bright) 5-duplex nickel plate (matt and bright) 6-microporous or microcracked chrome plate.

Guillermo Marrufo
Monterrey, NL, Mexico
2005

Hi,
I noticed you were studying the process of manufacture of steel bumpers. I am wondering what stage you are at, as we are interested to learn a bit more about the process itself. We have a real-life project too, if that is of interest?!
Best regards,

Jai Sharma
Parts imported - London
2005

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