A: the head
B: the end
C: the middle
D: both ends
举一反三
- Usually the machine tool transmission chain () component error has<br/>the greatest impact on the machining error. A: ,the head end B: ,terminal C: , D: ,both ends in the middle
- 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
- 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
- Rough machining and fine machining should be seperated for high precision parts, the main reasons do not include item. A: Detect the blank defects early, and use the equipment reasonably B: Can correct the error caused in rough machining C: Can correct the manufacturing error of fixture and tool in the process system D: Can correct the manufacturing and installation adjustment errors of machine tools in the process system
- Among<br/>the tools listed below, the one whose manufacturing error has no<br/>effect on machining accuracy is (). A: External turning tool B: broach C: Reamer D: Angle milling cutter
内容
- 0
(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
- 1
(3 points) The core of machining process system is (). A: machine tool B: fixture C: tool D: workpiece
- 2
When the spindle has axial movement, when turning workpiece (). A: Cylindricity error will be produced on the rotating surface B: Drum shape error will be produced on the rotating surface C: It will affect the axial dimension accuracy and end face shape D: Roundness error will be produced on the rotating surface
- 3
Because of the spindle has axial movement, when turning workpiece (). A: roundness error will be produced on the rotating surface B: cylindricity error will be produced on the rotating surface C: it will affect the axial dimension accuracy and end face shape D: drum shape error will be produced on the rotating surface
- 4
自定义的异常类可从（ ）类继承 A: AWTError B: Exception 及其子集 C: Virtual Machine Error D: Error