Production method for machine tool guide rail casts
A production method and casting technology, applied in the directions of casting molds, casting mold components, casting molding equipment, etc., can solve the problems of difficult to meet quality requirements, low process yield, and difficult to guarantee quality, and achieve improved production efficiency, unique methods, The effect of reducing slag inclusion defects
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[0019] A method for producing machine tool guide rail castings is characterized in that the method comprises the following steps:
[0020] a. Design gating system: The gating system is composed of sprue and runner. The runner is arranged along the vertical sides of the chip core. The runner is distributed horizontally along the bottom surface of the sand mold. The sprue is distributed vertically to the runner. ;
[0021] b. Mold making: The mold is divided into a core box and a cavity for nesting sand cores. The cavity for nesting sand cores mainly plays the role of nesting sand cores. Its shape is a cuboid with the same height as the core and width It is 100-140mm larger than the width of the core, and 50-70mm is left on each side, which is convenient for sand filling and fixing, and the length is 70-80mm larger than the total length of the nested core. Sprue, core box: design according to the structure of the casting;
[0022] c. Core making;
[0023] d. Core assembly: Pu...
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