Grinding and Finishing Processes Flashcards
What are the two main categories of grinding operations?
Rough grinding and precision grinding.
What are the different types of grinding based on the type of surface to be ground?
External cylindrical grinding
Internal cylindrical grinding
Surface grinding
Form grinding
What are the two types of grinding machines based on workpiece support?
Centre type
Centreless type
What is centreless grinding?
A grinding operation where the workpiece is supported by a blade, and the grinding wheel and regulating wheel rotate it.
What are the two classifications of cylindrical grinding machines?
Plain cylindrical grinding machine
Universal cylindrical grinding machine
What determines the largest workpiece that can be held on a grinder?
The size and specification of the grinding machine.
What defines the normal capacity or power of a grinding machine?
The motor power and capacity of the grinder.
What is the maximum traverse of the table in a grinding machine?
The longest distance the table can travel.
What is a key specification related to the grinding wheel?
The wheel diameter.
What affects the grinding machine’s ability to handle different workpiece heights?
The height of the grinding head.
What is meant by the self-sharpening character of a grinding wheel?
The ability of the wheel to expose new sharp grains as dull and worn-out grains are removed.
What is glazing of a grinding wheel?
The condition when the grains become dull, causing a shiny surface on the wheel, reducing its cutting ability.
What is the dressing of a grinding wheel?
A process used to restore the sharpness of the wheel by removing glazed surfaces and reshaping it.
What is the loading of a grinding wheel?
The condition where material clogs the spaces between abrasive grains, reducing grinding efficiency.
What is the truning of a grinding wheel?
Reshaping or truing the grinding wheel to restore its original profile or to make it concentric.
