目前我厂使用的四头单动钢球冲模立式淬火机是在单头单动立式淬火机基础上改进而成的。利用四个喷头可以同时对四个工件进水淬火,每个喷头均配备有一个水泵。从 At present, I use four single-action steel ball vertical die quenching machine is single-head single-action vertical quenching machine made on the basis of improvement. Four nozzles are used to quench four workpieces simultaneously, each with a water pump. From