品目44.17不包括装有第八十二章注释一所述材料制成的刀片、工作刃、工作面或其他工作部件的工具。
Heading 44.17 does not apply to tools in which the blade, working edge, working surface or other working part is formed by any of the materials specified in Note 1 to Chapter 82.
本文对刮削过程中工作角度问题进行了探讨，并对工作刃倾角、工作前角和工作后角进行了具体计算，得到了一些变化规律。
A study is made on the working Angle in scraping process, practical Calculations are taken up to the Angle of working edge, rake Angle and back Angle. Some patterns of such change are found out.
文中提出了考虑径向进给速度时飞刀左右侧刃工作后角的计算方法，实际算例验证了其正确性。
The calculating method of the working orthogonal clearance of the flying cutting tool machining worm wheel in radial feeding way is put forward, and a calculating example is given out.
铣削是采用被称为铣刀的多刃旋转刀具完成的机加工作业。
Milling is a machining process that is carried out by means of a multiedge rotating tool known as a milling cutter.
对虚轴刃磨机床的工作原理进行了分析。
Working principle of a virtual axis machine tool was analyzed.
给出螺旋面钻尖刃磨机床的基本结构及其工作原理。
Basic structure and operation principle of the parallel grinder for helical drill point grinding is presented.
本实用新型增大了护刃器的强度，使割刀在工作过程中更加平稳，不容易折断，提高了刀片的使用寿命。
The utility model increases the intensity of the edge protecting device, which makes the cutter knife work more stably and not be broken, thereby prolonging the service life of the blade.
镗削实践证明新刃磨方法可显著延长刀具的工作寿命。
The result of boring testing has show that the work life of cutter can be extended with the new grinding method.
剪刃位置控制是高速线材生产中所使用的启停式飞剪的关键控制环节，其控制精度的高低直接影响到飞剪的正常工作。
It's very important that accurate position of the edge of start stop shear to high speed wire mill production. Shear would run by accurate controlled.
剪刃位置控制是高速线材生产中所使用的启停式飞剪的关键控制环节，其控制精度的高低直接影响到飞剪的正常工作。
It's very important that accurate position of the edge of start stop shear to high speed wire mill production. Shear would run by accurate controlled.
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