Process for manufacturing powder metallurgy pump shell
A manufacturing process, powder metallurgy technology, applied in the manufacturing process of powder metallurgy pump shells, can solve the problems of high cost, low shell efficiency, high pollution, etc., and achieve the effect of reduced production cost, reduced cost, and slight pollution
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[0016] The preferred embodiments of the present invention will be described in detail below.
[0017] A manufacturing process for a powder metallurgy pump housing, the specific steps of which are:
[0018] 1) Mixing powder, cold pressing forming: mixing powder of iron, copper and carbon, cold forming the blank of the hydraulic pump shell through the powder metallurgy forming process;
[0019] 2) Sintering treatment: using the powder metallurgy sintering process, put the above-mentioned blank into a sintering furnace with an ambient temperature of 1100°C-1150°C, and perform sintering treatment for 30-40 minutes;
[0020] 3) steam treatment: put the blank after the treatment in step 2) into a closed steam treatment furnace with an ambient temperature of 450°C-650°C, and feed water vapor;
[0021] 4) Machining treatment: After sintering, the blank piece treated in step 3) is subjected to subsequent machining.
[0022] Adopting the manufacturing process of the present invention ...
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