2. The characteristic of stud connection is that one part of the connection is thick, a blind hole is made on it, and threads are cut on the blind hole. ?
3, threaded connection, characterized by the need for nuts, through the hole of one connector screwed into the threaded hole of another connector.
4. Set screw connection, characterized in that the set screw is screwed into the threaded hole of another part, and the end of the set screw is pressed against the surface of another part or pushed into the pit of the part.
There are three main types of common threads:
1, common thread, triangular tooth shape, used to connect or fasten parts. Ordinary threads are divided into coarse threads and fine threads according to pitch, and the connection strength of fine threads is higher.
2. Transmission threads with trapezoidal, rectangular, serrated and triangular teeth. It can transmit axial force.
3. Sealing thread is used for sealing connection, mainly including pipe thread, taper thread and taper pipe thread.