Answer / shriram.....

Function of lead screw & ball screw are same like nut & bolt
Lead screw means it one threaded screw.

Lead screw used for conventional machines like lath,
sapping, drilling machines
Lead screw gives 20-micron accuracy & it has wear & tear is
more as compare to ball screw.

Ball screw used where high accuracy & performance required
like in CNC machining center. In ball screw balls are used
for smooth operation in this case
Wear & tear is less as compare to lead screw.

Answer / deepak

the major difference between ball screw & lead screw is the load caaring capacitymechanism

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