Which is the best lubricant-air, oil or water?
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Answer Posted / harish
Actually the question itself is incomplete for example if
we are machining cast iron then air is the best lubricant,
If we are machining mild steel water is the best lubricant,
If we are machining alloy steels then mineral oils are the
best lubricants so we cant specifically say a particular
lubricant is better all the lubricants are equally
important.
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