coincide with the rotating center of the workpiece.
A: ,main cutting edge
B: ,side cutting edge
C: ,front cutting surface
D: ,blade tip
举一反三
- 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
- 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
- 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
- In turning, the<br/>most cutting heat ()。 A: pass<br/>on the workpiece B: pass<br/>on the cutter C: pass<br/>on the machine tool D: take away by chip
- The dip Angle of the blade is measured in () plane. A: cutting plane, ps B: the main point of orthogonal plane cutting edge selected Po C: Within pr of the base plane passing the selected point of the main<br/>cutting edge D: None of the above is correct
内容
- 0
The technological system consists of A: machine tool B: fixture C: cutting tool D: workpiece
- 1
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 °
- 2
The tool life and cutting efficiency are related to the cutting performance of tool materials.
- 3
When machining three different cylindrical surfaces of a stepped shaft with the same turning tool, there are three operation steps, as the cutting parameters have been changed.
- 4
The three cutting parameters for turning processing are ( ). A: cutting speed, feed and depth of cut B: cutting speed, workpiece rotational frequency and depth of cut C: workpiece rotational frequency, feed and depth of cut D: depth of cut, workpiece rotational frequency and feed