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   Grinding Wheel Surface Generated By
   Dressing With Single Point & Blade
   Dressers - A Comparative Study

 

 

 

   

With single point dresser with
an idle pass for "better finish"
wheel grains are completely
burnished resulting in
total loss of abrasive action

With a "blunt" single point dresser
grains have been pulled out
resulting in cavities and chances of
wheel getting loaded quickly
grinding during operation


With a single point dresser at a lower
dressing rate for "better finish" cavities
filled with loose unbounded abrasive
grains which initially result in a
rubbing action
and later in "wheel loading"

 

With blade dresser notable features

1. Proper grain fracture and greater abrasive
    action of individual grains

2. No cavity formation- less chances of
    wheel loading ¬greater abrasive area

3. No grains pull out ¬greater abrasive area

4. No loose grains "filled up" consistency in surface finish
 

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