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.


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    Title :

    Production method of car back door stopper


    Contributors:
    YU HAI (author)

    Publication date :

    2015-09-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B22C FOUNDRY MOULDING , Gießformen / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge



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