Introduction to Universal Grinding Machine
Grinding:
Grinding is a process carried out with a
grinding wheel made up of abrasive grains for removing very fine quantities of
material from the work piece surface. The required size of abrasive grains are
thoroughly mixed with the bonding material and then pressed into a disc shaped of
given diameter and thickness. Grinding process is used for two reasons
(i) Higher value of surface finish and accuracy that cannot be provided
with the machining process.
(ii) Hard and brittle materials that cannot be machined or it is
uneconomical to use machining
Grinding wheel
A grinding wheel is made of abrasive grains held together by a bond. These
grains cut like teeth when the wheel is revolved at high speed and is brought
to bear against a work piece. The properties
of a wheel that determine how it acts are the ginding parameters
including the kind and size of an abrasive matereial, how closely the grains
are packed together and the type and amount of the bonding material.
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