There are a series of problems in batch production of plating chromium for lining inner bores of inputtube in oil well pump such as parameter choice, clamp design, bath care and adjust.
The utility model discloses a steam heating device for rereeling machines and silk cocoon reeling machines in silk industry, mainly composed of a steam inputtube and a condensation returning tube.
本实用新型公开了一种用于丝绸业中复摇机、缫丝机的蒸汽加热装置。
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It has the advantages of Iow computing cost and simple input data when using this method to study the tube plastic deformation.