precision ground vee and flat table ways are lined with turcite-b to withstand long wear under heavy load. the z axis runs on swiss schneeberger linear bearing ways, a sensitive dc servo motor and a precision leadscrew an......precision ground vee and flat table ways are lined with turcite-b to withstand long wear under heavy load. the z axis runs on swiss schneeberger linear bearing ways, a sensitive dc servo motor and a precision leadscrew and ballscrew provide both manual and automatic control of the precision ram movement.