A: Turning machining
B: Milling machining
C: Drilling machining
D: Grinding machining
举一反三
- 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
- 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 principles for machining sequence of each surface should be( )<br/>and perform rough machining before finish machining. A: perform datum surface machining before that of other surfaces B: perform main functional surface machining before less important surface machining C: perform plane surface machining before hole surface machining D: perform complex surface machining before simple surface machining
- A grinder is a type of machining using _______ as the cutting tool.
- The machining quality of parts includes machining accuracy and surface quality.
内容
- 0
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.
- 1
The formal machining can be carried out after the CNC machining program is compiled.
- 2
(10 points) First, position the workpiece in the machine tool or fixture, adjust the relative position of the tool and the positioning element, and keep the position unchanged during the processing of a batch of parts, so as to ensure the machining size of the workpiece is called (). A: trial cutting method B: automatic control method C: fixed size tool method D: adjustment method
- 3
The formal machining can be carried out after the CNC machining program is compiled. A: 正确 B: 错误
- 4
According to the shape and processing requirements, programmer compiles machining process into machining program.（） A: 对 B: 错