... protect case++spidle cooling system +liquid injecting/returing system1100kg670kg * The bed , table , column , beam , XZ slide ... and the spidle seat are made in one body , and is accurately machined, so has the best rigidty ... and precision. And the Z guide way are mounted on the Y-Z slide ... manual lubrication system , as long as the pressure of the handle once a day , to ensure 15 ...