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Method for machining brass crafts
Apparatus and process for horizontal continuous casting of copper alloy bars. The cored power frequency heater and melt ditch in the prior art are omitted; the bottom of the thermal insulation package is sloped and inclined toward the channel connecting the crystallizer; the thermal insulation package adopts a multi-layer structure and adopts a variety of thermal insulation materials with good thermal insulation, To improve the thermal insulation of the thermal insulation, a control hole is provided, and the inner chamber of the thermal insulation bag is preheated with coke, and then heated with a diesel heater. It has the advantages of no mixing, ensuring the quality of the drawn cast bar, excellent energy saving, and convenient operation. The device and process of this method are also suitable for drawing cast copper bar.

Production technology of precision polyester cast copper artwork. First of all, shape the shape of various artworks, and use the grouting molding method of the ceramic industry according to its shape to make a disposable working abrasive. After drying and heat treatment, thermal spraying is performed on the inner wall of the abrasive cavity. , Sprayed with metal or non-metallic powder such as bronze or brass, and then coated with polyester resin. After curing, remove the outer mold of the ceramic blank, and then clean, decontaminate, and polish the artwork after de-grinding. After polishing, the crafts with metallic luster have less investment and good artistic effect.

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