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

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

The machining quality of parts includes machining accuracy and surface quality.

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 formal machining can be carried out after the CNC machining program is compiled.

The formal machining can be carried out after the CNC machining program is compiled. A: 正确 B: 错误

According to the shape and processing requirements, programmer compiles machining process into machining program.（） A: 对 B: 错

The incorrect statement about the locating of the workpiece in the machining process is （ ）. A: Complete locating should be adopted as far as possible to ensure the locating accuracy B: To adopt incomplete locating as far as possible according to machining requirements C: Redundent locating can be used in machining process D: Insufficient locating is strictly prohibited in machining process

“Mechanical machining”的意思（）

The machining operation is a _____ formation process.