05-22-2009, 08:31 AM
which process of car making do you think will consume highest energy
yes it is the painting ... it is estimated that about 1/3rd of the total energy consumption of any car manufacturer will go to the painting department only
05-22-2009, 08:36 AM
More than melting down steel to make parts? Thousands of them?
05-23-2009, 09:01 AM
wow its an interesting fact to know. well giving a lustrous look to a car is that big a process starnge. well one thing is for sure paints give a definitely personal feel to the owner as it reflects his/her own personality.
05-27-2009, 06:15 PM
I would argue that is not true today. Cars are now painted with water based paints, and that technique takes a lot less process heating to cure the paint. The paint tunnel at Porsche uses about 240Kwh (30 ea of 8 Kwh infrared lamps) when heated by electricity. They cure 6 bodies per hour. Each Kilowatt is about .25, so six cars get painted for $60, or $10 each. Contrast that to the stamping and welding department that uses about 50Kwh per car, or $ 12.50. It takes about 16 man hours to assemble a Porsche (this does not include labor for machining parts, or labor from suppliers like wire harnesses) and wages and benefits are $ 74 per hour. Health care and pension is $ 43 per hour, so each car has $ 688 of that in the assembly before it rolls off the line. That is by far the most expensive part of the car.