A: machinists
B: artists
C: teachers
D: workers
举一反三
- 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
- Different CNC machines tools may use different CNC systems, but the CNC machining program commands are the same.
- They position the metal stock on the machine tool—___________，___________，___________, or other type of machine A: drill press B: lathe C: milling machine D: turning machine
- There are five basic types of machine tools such as lathe or turning machine, drilling or boring machine, milling machine, shaper or planer, and grinder.
- A machine____ is a machine for shaping or machining metal or other rigid materials
内容
- 0
Human ingenuity was initially demonstrated in A: the use of machines to produce science fiction. B: the wide use of machines in manufacturing industry. C: the invention of tools for difficult and dangerous work. D: the elite's cunning tackling of dangerous and boring work.
- 1
Machining is the manufacturing in which the workers can remove the excess material of a part on a machine tool.
- 2
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
- 3
The following machining methods belong to the method of fixed size cutting tool(). A: Turning machining B: Milling machining C: Drilling machining D: Grinding machining
- 4
Conventional milling machine tool is ________ from CNC milling machine tool in construction.