There are many fixtures used in actual production, and there are many classification methods. It can also be divided into lathe fixtures, milling fixtures, etc. according to the process of using the fixtures; it can also be merged into the following categories according to the characteristics of movement on the machine:
1. Lathe type fixtures: including lathes, internal and external cylindrical grinding machines, and jigs for thread grinding machines, which are characterized in that the clamps rotate together with the workpiece.
2, milling machine type fixtures: including milling machines, planers, surface grinders and other machine tool fixtures, which are characterized by the fixture fixed word on the table, only for longitudinal or lateral reciprocating motion or rotary motion.
3, drilling, trampoline type fixture: used for drilling, expanding, reaming and other processes in the drilling machine or in the drilling process, in fact, the fixture is fixed on the machine tool, and the tool is fed through the guiding device on the fixture.