Under which conditions use of semi solid lubricants is preferred?

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Define grease under which situation it is used as lubricant?

1 Answer

Semisolid lubricant is a solid to semi-fluid product of dispersion of a thickening agent in a liquid lubricant. The most widely used semisolids lubricants are greases and Vaseline.

The semi solid lubricants are used under working conditions:

  • Low speed and high pressure and high temperature upto 800C
  • In places where the bearing has to be scaled against entry of dirty water, dust and grit.
  • Machines where liquid lubricant cannot be maintained in position due to intermittent operations of machine parts such as shaft.
  • Machines used in textile mills, paper and food product manufacturing etc., where spilling and spurting of lubricant is harmful to the product.
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