Refurbished case of CNC Lathe V-40

Items	Before	After
Column Scraping	Verticality of Y,Z axis 0.06mm Verticality of X,Z axis 0.08mm	Verticality of Y,Z axis 0.003mm Verticality of X,Z axis 0.004mm
Replace the linear guideway of X,Y,Z axis.	Verticality of Y,Z axis 0.05mm Table flatness 0.6mm	Verticality of Y,Z axis 0.003mm Table flatness 0.010mm
Ball screw refurbishing	0.1mm Clearance 0.1mm	0.005mm Clearance 0.005mm
BT40 Spindle refurbishing	Spring plate replacement, grinding the inner hole of spindle, clamping replacement, dynamic balancing correction.
BT40 Spindle refurbishing	The inner hole accuracy of spindle 0.02mm The accuracy of spindle test bar 0.05mm Pull force of spindle 150psi.	The inner hole accuracy of spindle 0.002mm The accuracy of spindle test bar 0.002mm Pull force of spindle 900psi
Other replacements	Bearings 21 pcs Spindle belt Replace the oil pipelines of X,Y,Z Replace the cylinder FRL set, Air pressure valve and air pressure tube replacement. Work lamp replacement Replace the acrylic of front door and both sides.

Overall testing/cleaning and maintenance:
Circuit disassembly and resume test, control cabinet cleaning, and controller cleaning.
Electrical components replacement/program renewal:
Signal tower, Lubricating oil machine, pulley set of front door, Y-axis micro switch, Y-axis rear linkage tube, tool arm motor.
Sheet metal replacement:
Machine enclosure and the chip removal protective cover of X,Y axis.