中文版|
Type |
Tooth enlarged drawing |
Characteristic code number |
Labelling demonstration |
Use and explanation | |
|
Plain thread |
Coarse thread |
|
M |
|
When the most commonly used one kind of joint thread, the diameter is the same, fine thread's pitch ratio coarse thread's pitch is small, the coarse thread does not pour the pitch |
|
Fine thread |
| ||||
|
Pipe thread |
Non-thread seal |
|
G |
|
In the pipeline joint's commonly used thread, the pitch and the tooth is small, its size code number take in as a unit, is equal to pipe's aperture approximately. The thread great diameter should find out from the related standard, the code number R expression circular cone external screw thread, Rc expresses the circular cone box thread, Rp expresses the column box thread |
|
Thread seal |
|
Rc Rp R |
| ||
|
Trapezoid Thread |
|
Tr |
|
The commonly used two transmission thread, uses in transmitting the movement and the power, the acme thread may transmit the bidirectional power, the zigzag thread uses for to transmit the unidirectional power | |
