举一反三
- Machining is the manufacturing in which the workers can remove the excess material of a part on a machine tool.
- The reference point of CNC machine tool is a fixed position on the machine tool.
- Programmers should ________ the particular NC machine, its capabilities, and specific codes.
- (3 points) The machining process system includes (). A: machine tool, tool, fixture and workpiece B: worker, tool, fixture and workpiece C: machine tool, tool, worker and workpiece D: machine tool, tool, fixture and worker
- (3 points) The core of machining process system is (). A: machine tool B: fixture C: tool D: workpiece
内容
- 0
The following is not the geometric error of machining process system (). A: machining principle error B: geometric error of machine tool C: adjustment error D: tool manufacturing error
- 1
A biologist must have a lot of knowledge about the life and ______ (behave) of both plants and animals
- 2
The following is the machining principle error () . A: approximate profile error of forming tool B: spindle revolving error of machine tool spindle C: guide error of machine tool D: fixture error
- 3
The slotting machine is mainly used for machining the inner surface of the workpiece, and the main motion is the vertical reciprocal rectilinear motion of the tool.
- 4
CNC machining parts with high accuracy is mainly due to ( ). A: Multiple clamping single station machining B: Once clamping multi-station machining C: Multiple clamping and multi-station machining D: Small machine tool vibration