(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
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
举一反三
- (3 points) The core of machining process system is (). A: machine tool B: fixture C: tool D: workpiece
- The technological system consists of A: machine tool B: fixture C: cutting tool D: workpiece
- When determining the coordinate system of the CNC machine tool, which of the following principles is adopted for the movement relationship between the tool and the workpiece? ( ) A: Assuming the tool moves, the workpiece is stationary B: Assuming the workpiece moves, the tool is stationary C: It depends on the situation D: Assuming that the tool and workpiece are not moving
- (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
- The technological system consists of machine tool， fixture，______ . and______ .