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Grinding wheel Structure of grinding wheel Abrasive grain (artificial abrasice) Grain size Grade Structure Bond Bond subdivision symbols Grinding wheel specification and indication method Grinding wheel's shapes and size Process of grinding wheel Grinding operations and how to select grinding wheel Basic conditions for selection Prerequisite for selection standart by JIS. Standard selection of grinding wheel by JIS. Processing conditions Management of grinding operation problem Grinding wheel safety Treatment and storage Installation Points of caution when using Safety level Protective equipment CBN and Diamond wheels Bond characteristics Application examples by bond Concentration Indication Wheel shape symbols Truing and dressing Basic conditions on wheel selection

Truing and dressing

Truing and dressing for super abrsive grain have considerable effects on grinding characteristic and are important processes which require stricter control than for ordinary wheels.

Generally used truing and dressing methods are listed.

Bond type	Truing	Dressing
Vitrified	Single-point dresser Multi-point dresser Rotary dresser	Songle-point dresser Multi-point dresser
Resinoid	Brake dresser Rotary dresser Steel (before quenching)	Stick (WA220H V)
Metal	Grinding process (GC wheel) Brake dresser Rotary dresser	Stick (GC)