Processing technique of reversing valve body
A processing technology and reversing valve technology, which is applied in the field of reversing valve body processing technology, can solve the problems of enterprise loss, reduced service life of reversing valve, imperfect processing method of reversing valve body, etc., and improve the overall use Long life, reduced loss, good quality of the valve body
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[0017] A process for processing a reversing valve body according to an embodiment of the present invention includes the following steps:
[0018] 1) Cutting: Saw square steel billets according to the size of the reversing valve;
[0019] 2) Forging: use free forging or die forging to forge the blank, the unilateral machining allowance of free forging is more than 5mm, and the unilateral machining allowance of die forging is more than 2.5mm;
[0020] 3) Heat treatment: first anneal the forging, then quench and temper at high temperature;
[0021] 4) Milling shape: milling the shape of the valve body, using the cutter head to mill the large surface, and using the end mill to mill the steps;
[0022] 5) Drill mounting holes: use radial drilling machine or milling center to process mounting holes;
[0023] 6) Grinding the mounting surface: Grinding the mounting surface with a grinding wheel;
[0024] 7) Boring: It is processed by a horizontal machining center, and the main hole...
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