Sliding bearings can be used for structural requirements on opposite occasions
3. radial sliding bearing (1) integral and split division is usually made up of bearing cap, bearing seat, bearing bush and connecting bolt. (2) the Bush is the key part in the bearing. Bearing materials should have small coefficient of friction, good thermal conductivity, small coefficient of thermal expansion, wear resistance, corrosion resistance, strong adhesive resistance, sufficient mechanical strength and plasticity. (3) requirements for bearing materials: bearing alloy (Babbitt), bronze, bearing materials of special properties, etc.. 4. thrust bearing (understand) (1) thrust bearing fixed and tilting. (2) the thrust surface of thrust bearing can use the end surface of the shaft, or can make a convex shoulder or thrust the disc in the middle of the shaft.
A) the types and characteristics of sliding bearing sliding bearing according to the 1. loads are divided into: (1) sliding bearings (radial sliding bearing); mainly bear radial load; (2) the thrust bearing, main bearing axial load. 2. sliding bearings are suitable for low speed, high precision, heavy load and structural requirements. It is also used at low speed and impact.
(two) the types and characteristics of rolling bearings; 1. classification of rolling bearings according to the shape of the rolling body is divided into: ball bearings, roller bearings. 2. characteristics of rolling bearings (1) advantages: compared with plain bearings, rolling bearings have the advantages of small friction resistance, quick starting, high efficiency, simple lubrication and easy replacement. (2) disadvantages: poor shock resistance, noise at high speed and long service life, as opposed to liquid lubricated sliding bearings.
