A: 正确
B: 错误
举一反三
- The rake angle of the cutting tool affects the deformation in the cutting process, and the strength of the tool. A: 正确 B: 错误
- The sum of rake Angle, clearance angle and wedge Angle is ( ).The sum of the major cutting edge angle, minor cutting edge angle, and tool included angle. is ( ) A: 90 ° , 180 ° B: 90 ° , 90 ° C: 180 ° , 180 ° D: 180 ° , 90 °
- The tool life and cutting efficiency are related to the cutting performance of tool materials.
- The tool tip of the external turning tool is installed higher than the workpiece rotation axis, the working rake Angle of turning tool is （ ）than that of marked rake angle A: lager B: smaller C: equal to D: unidentified
- When installing the turning tool, the turning tool ( ) must coincide with the rotating center of the workpiece. A: main cutting edge B: side cutting edge C: front cutting surface D: blade tip
内容
- 0
When installing the turning tool, the turning tool () must<br/>coincide with the rotating center of the workpiece. A: ,main cutting edge B: ,side cutting edge C: ,front cutting surface D: ,blade tip
- 1
When the tip of turning tool is at the highest position of the main cutting edge, The inclination angle of the edge is ( ) A: - B: + C: 0 D: uncertain
- 2
The technological system consists of A: machine tool B: fixture C: cutting tool D: workpiece
- 3
On a CNC milling machine, actual position of the cutting tool is detected by ( ).
- 4
The<br/>back angle of the tool is measured in the () plane. A: Cutting plane PS B: In the orthogonal plane Po passing the selected point of the main<br/>cutting edge C: None of the above is true D: Inside the base PR passing the selected point of the main cutting<br/>edge