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US 5,394,654 AGranted
Method of wet-sanding defective parts of coating on vehicle body and system for carrying out the method
AssigneeMazda Motor Corporation
InventorsYoshimi Shimbara, Hiroshi Kiba, Hitoshi Sasaki
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Abstract
A coated surface on a vehicle body is visually inspected for defective parts and the defective parts found are marked with defect marks. A TV camera searches the coated surface for the defect marks and transfers data on the positions of the defect marks. A sanding robot wet-sands the marked portions of the coated surface of the vehicle body on the basis of the data given the TV camera.
Claims10
A method of wet-sanding defective parts of a coated surface of a vehicle body while the vehicle body is intermittently conveyed along a conveyor line comprising:
- visually inspecting the coated surface of the vehicle body for defective parts at a first station;
- marking each of the defective parts found with a predetermined defect mark in accordance with a type of defect found at the first station;
- searching the coated surface for said predetermined defect marks with a detecting means and generating a defect signal indicative of the type of defect found while the vehicle body is stopped at a second station downstream of the first station;
- sanding the marked parts of the coated surface of the vehicle body with a sanding means;
- and
- controlling the sanding of the coated surface in accordance with the defect signal of the detecting means.
3 more elements
Dependencies are inferred from the claim text.