Grinding Time...

Grinding Time Calculation

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Q. Grinding ratio is defined as

$\frac{V o l u m e o f w h e e l w e a r}{V o l u m e w o r k m a t e r i a l r e m o v e d}$
$\frac{V o l u m e o f w o r k m a t e r i a l r e m o v e d}{V o l u m e o f w h e e l w e a r}$
$\frac{C u t t i n g s p e e d}{f e e d}$
$\frac{L o n g i t u d i n a l f e e d}{T r a n s v e r s e f e e d}$

Q. During grinding of a C.I specimen of 10 mm wide and 100 mm long with A 27 K 6V grinding wheel of 300 mm dia and 25 mm wide, the wheel has undergone a radial wheel wear of 50 microns after removing a layer of 5 mm. The grinding ratio is

21.2
2.12
42.4
4.24

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