2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
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1、In metal cutting process,about one-third of the workload is hole processing,visible drilling processing holds very important position in the mechanical processing.The most commonly used machining tool is the twist drill,

2、twist drill with cone are the most widely used,but due to the axial force,large faults usually occur which do not really satisfy the machining precision.
  Hence,helicoid twist drill is used to overcome these shortcom

3、ings,which makes its application more widely used.This article is based on two parallel machine tool for spiral face twist drill grinding experiment research.
  Geometric and grinding parameters must be established,he

4、nce this experiment is conducted on two-parallel machine tool,so as to verify and establish the relationship between the movement of the two parallel machine and the grinding parameters simultaneously,establishing sharpe

5、ning and machine parameters to solve the man-machine interface.And through a combination of visual Basic and MATLAB programming,the machine tool interface of the helicoid twist drill can be determined in a3-D simulation.

6、
  Finally drilling and grinding experiments are imputed into the research so as to ascertain the interface.Good grinding bit which is a geometric parameter validates formulas and effective mathematical model(s).Drill

7、ing experiments measure the actual drilling force and torque of the screw surface twist drill with normal cone and comparing the twist drill will determine its effectiveness.
  Research shows that based on the biglide

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