There are two threadroller shelfs which can prevent looseness, easy operation and facility.
盘带绣机头下置两线轮架具有防松动功能且操作方便、简洁美观。
2
The thread of abraded unequal spiral shifting roller is actually a "uniform increasingly dispersing-ratio spire".
经过磨损的不等距螺旋输送辊的螺纹是一条“等变距螺旋线”。
3
Through the analysis of dimensional chain when rolling thread on double-roller machine tool, the effective factors of thread precision were presented, and the way to solve was given.