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Ford, GM pursue the perfect paint job

An F-150 goes through Ford’s dirt-detection system at the Dearborn, Mich., truck plant to digitally identify paint and surface imperfections.


An F-150 goes through Ford’s dirt-detection system at the Dearborn, Mich., truck plant to digitally identify paint and surface imperfections.

General Motors and Ford are touting the processes and efforts behind the perfect paint finish, which is the first thing to catch a prospective buyer's eye and a huge source of complaints if a defect is detected.

At GM, members of the Blue Suit Crew are trained experts in elaborate precautions to ensure that final vehicle paint finishes are pristine, while Ford is rolling out dirt-detection technology across its plants to find and fix imperfections.

Ford said its F-series pickups are the latest to use the technology to ensure a perfect paint surface before the spray guns come out. The system uses high-resolution cameras to take microscopic scans under special lighting that digitally identify surface imperfections finer than a grain of salt. In the past, automakers relied on the human eye to detect imperfections.

If a speck is found at the end of the final vehicle assembly line, workers will polish and buff out any imperfection.

Ford said the result is an 82 percent reduction in customer complaints about their vehicle's finish within a year, as measured by customer warranty data for F-series models made at the Dearborn, Mich., truck plant.

"This system ensures better paint jobs and surface finishes for Ford customers around the world," said Tom Dougan, project manager for Ford global paint applications.

"This is one of the most exciting integrations of optical science and digital technology in the automotive industry," he said.

At GM, the Blue Suit Crew searches out potential paint contaminants including silicon and personal hygiene items such as lotion, cologne, hair spray and deodorant, all of which are prohibited in GM paint shops to prevent defects.

"The process of painting a vehicle properly is much harder than the average person would assume. We have many different factors that we have to be cognizant of at all times," said Anton Busuttil, manager at the Orion Assembly Paint Shop Area near Detroit. "The weather — including temperature and humidity — is one of those major factors which we have no control over."

"There are precise stages each vehicle goes through in order to leave GM's paint shop with phenomenal colors," Busuttil said. "The vehicles are prepped, dipped in treatment and sprayed with PVC antichip material, primer, base coat and finally clear coat. The vehicles are then checked to ensure they are in compliance in terms of quality. If they meet expectations, they are sent to General Assembly to continue the build process."

Ford, GM pursue the perfect paint job 09/22/13 [Last modified: Wednesday, September 25, 2013 11:59am]
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