When you see the phrase speeds and feeds, it may be referred to as a pair, but it actually refers to two separate measurements in machining: Cutting speed and feed rate.  The combined effect on the cutting process is remarkable.  Cutting speed, or surface speed is the speed difference between the cutting tool and the…

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This 2nd installment by Zagar Inc. continues to expound on the variables involved, in order to help you optimize feed unit utilization, avoiding a slow production rate and frustrated machinists.

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A feed unit is more than just an automatic drill press. It is an automated, self-contained, modular machining unit usually offering two axis of motion-spindle rotation and linear feed.

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