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
16.09.2015
Patent
Elektronische Ressource
Englisch
ELEVATOR DOOR STOPPER AND METHOD FOR INSTALLING ELEVATOR DOOR STOPPER
Europäisches Patentamt | 2018
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