Machining process of round mold insert
A processing technology, circular technology, applied in the field of processing technology of mold circular inserts, can solve the problem that the mold is dependent on labor, processing efficiency affects the cost of production, etc., to achieve less workpiece damage, improve production efficiency, and avoid errors Effect
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[0017] The processing technology of a kind of mold circular insert of the present invention, its processing step is as follows:
[0018] (1) Material preparation: prepare the blank of SKD61 material, and the diameter of the blank is greater than 2.0mm;
[0019] (2) Rough machining: The shape of the lathe is roughened, leaving a margin of 0.3-0.35mm;
[0020] (3) Use special fixtures to process the back waterway and escape holes;
[0021] (4) Heat treatment: Heat treated material reaches the optimum hardness; the heat treatment is quenched first: first stage preheating: 500-550°C, second stage preheating: 750-800°C, quenching temperature 1000-1050°C, blowing cooling or High-pressure gas cooling; the heat treatment is tempered after quenching: preheating: 300-350 ° C, tempering heating: 550-680 ° C, air cooling to room temperature, tempering three times; the optimal hardness is 50-52HRC
[0022] (5) Grinding: the shape of the cylindrical grinder is in place;
[0023] (6) Wire...
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