How to protect the screw in use?

How to protect the screw in use?

Date:2021-08-16
The screw rod plays an important role in mechanical production. Its main function is to convert rotary motion into linear motion, or convert torque into axial repetitive force, at the same time it has the characteristics of high precision, reversibility and high efficiency. Our company specializes in the production of multiple specifications of multi-head screw rods, trapezoidal screw rods, etc. Then, how to protect the screw rods in use?
First of all, a felt ring is usually used to seal the nut pair. The thickness of the felt ring is 2 to 3 times the pitch, and the inner hole is made into a threaded shape to tightly wrap the screw and install the nut or sleeve. In the slot at the end. In addition to soft felt, the sealing ring can also be made of oil-resistant rubber or nylon.
Secondly, for the lead screw exposed to the outside, a protective cover in the form of spiral rigid belt, telescopic sleeve, tapered sleeve, and folding plastic or artificial leather is generally used to prevent dust and abrasive particles from adhering to the surface of the screw.
Finally, in order to avoid this frictional resistance moment, a non-contact labyrinth seal made of harder plastic can be used, and the inner hole is made into the opposite shape of the screw thread raceway, and a certain gap is left.