There are a series of problems in batch production of plating chromium for lining inner bores of input tube in oil well pump such as parameter choice, clamp design, bath care and adjust.
油井抽油泵输入泵衬套内孔尺寸镀铬批量生产中存在着工艺参数准确选择、夹具合理设计、槽液维护和调整等一系列问题。
The plating technology, bath formular, technological conditions and the coating properties of electrodeposited colourful chromium film in the low-chromium acid were introduced.
介绍了低铬酸电沉积彩色铬膜工艺及其膜层性能、电解液的最佳配方和工艺条件。
The plating bath is stable and easy to control, it can substitute all rack plating chromium.
镀液稳定容易控制，可以代替部分挂镀铬和全部滚镀铬。
The method was characterized by easy operation, rapid measurement, and good accuracy, and could be readily used to monitor the nickel impurity in the chromium-plating bath.
本方法简单、快速而准确，能够满足对镀铬溶液中镍杂质监控的要求。
In this paper, three types of bath for trivalent chromium plating are gained: chloride-glycine bath, chloride-U bath and sulfate-oxalic bath.
本文新近研究了一种以甲酸盐-羧酸盐作为络合剂的三价铬电镀新工艺，并对该溶液和镀层进行了性能测试。
Chromium plating in low chromic anhydride-containing bath at low temperature has been widely used for years for its peculiar advantages.
低温、低浓度镀铬具有其独特的优点，已推广使用多年。
Chromium plating in low chromic anhydride-containing bath at low temperature has been widely used for years for its peculiar advantages.
低温、低浓度镀铬具有其独特的优点，已推广使用多年。
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