Rolling mill bearing features and protection

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Rolling mill bearing features and protection

Source: China Bearing Network Time: 2013-12-30

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First, the rolling mill bearing features:
1. The roller and the raceway are touched by the line or the line is touched; the radial load can be large; it is suitable for receiving heavy load and impact load. The friction coefficient is more difficult to attack.
2, can be moved axially; can be used to change the relative orientation of the shaft and the shell caused by thermal expansion or device error; can be used for free end support.
3. The processing demand for the shaft or the seat hole is high; the relative deflection of the outer ring axis of the bearing device should be strictly controlled; avoid the formation of touch stress.
4, the inner ring or outer ring can be separated; easy to install and disassemble.
5, steel stamping cage, high-speed bearings or bearings that require smooth operation; use solid cages. According to the application and user needs; can also depict and supply cages with glass fiber reinforced plastic.
Second, the rolling mill bearing protection, overhaul and abnormal disposal:
1. In order to maintain the original bearing function in an outstanding condition for as long as possible; it must be protected, repaired, and prevented from accidents; ensure the reliability of work; improve productivity and economy.
2, to protect the work specifications of the most appropriate mechanical working conditions; timed. Contents include supervision of working conditions, make up or replace lubricants, time to open the view. Valve imported pump industrial washing machine
3, as a maintenance item in the work; there are bearing rotation, oscillation, temperature, lubricant status, etc.

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Guide Ring

Guide Ring is a mechanical seal, also known as a guide ring. It is usually made of metal or plastic and used to support and position pistons or rods. Guide Ring has excellent wear resistance and corrosion resistance, which can effectively reduce leakage and friction, thereby extending equipment life. Guide Ring is widely used in the hydraulic, pneumatic, mechanical, and automotive industries as an important mechanical seal.


The classification of Guide Ring can be divided by material, structure, and purpose. According to material classification, Guide Rings are mainly divided into metal Guide Rings and plastic Guide Rings. Metal Guide Rings are usually made of metals such as copper, iron, and stainless steel, which have high strength, wear resistance, and high-temperature resistance; The plastic Guide Ring is usually made of polytetrafluoroethylene (PTFE), nylon, polyimide and other materials, with good corrosion resistance and low friction coefficient.


According to structural classification, Guide Rings are mainly divided into unidirectional Guide Rings and bidirectional Guide Rings. A unidirectional guide ring can only withstand pressure in one direction and is typically used in hydraulic and pneumatic systems; The bidirectional guide ring can withstand bidirectional pressure and is typically used in the mechanical and automotive industries.


According to usage classification, Guide Rings are mainly divided into piston Guide Rings and rod Guide Rings. The piston guide ring is usually used to support and position the piston, preventing friction and leakage between the piston and the cylinder liner; The rod guide ring is used to support and position the rod, preventing friction and leakage between the rod and the seal.


In summary, Guide Ring is an important mechanical seal with a wide range of applications. Guide Rings with different materials, structures, and uses have their own characteristics and advantages. Choosing the appropriate Guide Ring can effectively improve the performance and lifespan of the equipment, reduce maintenance costs and failure rates.

Wearing,Guide Ring,Guide Strip

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