List out any four applications of lapping and buffing.

1 Answer

Answer :

Applications of Lapping: 

A. Hand lapping is used for

i. Press work dies

ii. Moulding dies

iii. Limit gauges

iv. Surface plates

v. Engine valve and valve seat

B. Machine lapping is used for

i. Races of ball and roller bearings

ii. Gears

iii. Piston rings

iv. Slip gauges

v. Crankshaft.

Applications of Buffing:

Automobiles, motor-cycles, boats, bicycles, sporting items, tools, store fixtures, commercial and residential hardware and household utensils and appliances. 

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