The invention discloses a production method of a car back door stopper, and relates to the technical field of casting of parts of a car. The production method is characterized by comprising the steps of designing a shape, making a model, selecting sand, making a stopper, baking the stopper, feeding a filler, polishing the surface of the stopper, washing the surface of the stopper, finely polishing, and checking a product. The method disclosed by the invention is reasonable, the operation is convenient, and the preparation is simple.
Production method of car back door stopper
2015-09-16
Patent
Electronic Resource
English
ELEVATOR DOOR STOPPER AND METHOD FOR INSTALLING ELEVATOR DOOR STOPPER
European Patent Office | 2018
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