Tungsten alloy cylindrical locating pin is fixed in the hinged hole with tiny interference, which can bear small load. In order to ensure the positioning accuracy and fastening of the connection, it is not recommended to disassemble frequently. It is mainly used for positioning, but also for connecting pin and safety pin.
When cylindrical pin is positioning, it usually does not bear load or very small load. Its number is not less than 2, it is generally distributed in the symmetrical direction of the whole structure of the connector, and the farther away the better. In addition, the length of the pin in each connector is about 1-2 times of the small diameter. In order to ensure the quality of the connection, the two holes of the connected parts should be drilled at the same time. The hole size, shape and surface roughness of the cylinder locating pin are required to be high, and the surface roughness value of the hole wall shall be Ra1.6.
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