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MANUFACTURING AND PRODUCTION TECHNOLOGY

Manufacturing And Production Technology
The mechanism of material removal in EDM process is

Melting and Corrosion
Melting and Evaporation
Erosion and Cavitations
Cavitations and Evaporation

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Manufacturing And Production Technology
In gear hobbing

Only gear blank rotates
Neither hob nor gear blank rotates
Both hob and gear blank rotates
Only hob rotates

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Manufacturing And Production Technology
The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel)

πdn cosα
πd
πdn sinα
πdn

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Manufacturing And Production Technology
In order to grind soft material

Coarse grained grinding wheel is used
Any one of these
Medium grained grinding wheel is used
Fine grained grinding wheel is used

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Manufacturing And Production Technology
The in-feed grinding is used to

Grind long, slender shafts or bars
Grind shoulders and formed surfaces
Produce tapers
All of these

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