Structural features and axial clearance of spherical roller bearings

Structural features and axial clearance of spherical roller bearings

Spherical roller bearings are divided into the cylindrical bore and a conical bore. The taper of the tapered bore is 1:12, the rear code is K for spherical roller bearings, and the 1:30, the rear code is for spherical roller bearings K30. ...
Thermal insulation mechanism, influencing factors and research status of alumina thermal insulation m

Thermal insulation mechanism, influencing factors and research status of alumina thermal insulation m

Thermal insulation refractory material refers to a material that shields heat and has the characteristics of high porosity, low thermal conductivity, and low heat capacity. Thermal insulation refractory materials are mainly used to prevent h...
Characteristics and uses of zinc sulfide

Characteristics and uses of zinc sulfide

Zinc sulphide is white to off-white or light yellow powder. See the light colour becomes darker. Stable in dry air, gradually oxidized to zinc sulphate when placed in moist air for a long time or containing moisture. Soluble in dilute minera...
Review of research on concrete foaming agent

Review of research on concrete foaming agent

With the introduction of energy-saving and green building concepts in Goaniu, the building insulation material industry has a broad market. Light foam concrete with good heat insulation effect and light quality is vigorously promoted and use...
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