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介绍日本几种高效率加工用的工具:1 增速刀头 圣和精机公司生产。该装置所用增速头可将转速增大5～7倍,最高达2000～30000r/min。
Introduce several kinds of high-efficiency processing tools in Japan: a growth rate Sheng and Seiki produced. The device used to increase the speed of the head can increase the speed of 5 to 7 times, up to 2000 ~ 30000r / min.