槽铣刀刀杆

The traditional way to manufacture the gashes of gear hob cutter is to mill it one by one, but the efficiency is quite low. With the proposed manufacturing process, the gashes could be generated by another specially designed hob cutter so that the manufacturing efficiency could be improved 2~3 times.

滚齿刀容屑槽之传统加工方式，系利用成型铣刀逐槽加工而成，除加工时程冗长外，铣制ZK 型蜗杆之缺点亦无法避免，本文再次利用滚制方式形成容屑槽，并解决传统制程上述之缺失。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。