Lapping Process and its Applications

It is a surface finishing process. The basics of lapping process is moving the work piece surface (to be finished) very slowly against some sort of abrasives. The abrasives can be either loosely spread over a hard substrate or rigidly glued over the substrate surface. Also, the process of lapping can be either performed manually or by using a machine.

 

Fig.1: Lapping Process

Level of surface finish achieved: 0.8-0.012 micro meters

Advantages:

–      Variety of materials can be chosen

–      Great surface finish

–      Tight tolerance can be achieved

Disadvantages:

–      It is a slow process

 

Ideal applications: Ideal for making surface specimens for metallurgical testing.

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