YAMAHA-YG系列 换螺杆指导书.pdf - 第19页

Service Engineer Service I nformati on SI080 2008 E-000 = YG series: Replacement proc edure for ball screws of each axis 19/65 2.2.1. Sub-assembly Note: Please ship the ball screw as a Sub-Assy . Assem ble the parts taki…

100%1 / 65
Service Engineer
Service Information
SI0802008E-000= YG series: Replacement procedure for ball screws of each axis
18/65
3. Loosen the two bolts at the slotted part of the coupling on the ball screw side.
Figure 21
4. Remove the bolts that fix the nut bearing located under the X-axis frame.
Figure 22
5. Slowly move the X-axis frame backwards by hand ino order to remove the ball screw.
Note:
The X-axis frame needs to be moved to the concave part of the Y-axis frame in order to remove the
ball screw.
Hex wrench (Size 3)
SCREW BALL Y AXIS
Coupling
X-axis frame
Fixing bolts (Qty:4)
Y-axis nut bearing
SCREW BALL Y
AXIS
Service Engineer
Service Information
SI0802008E-000= YG series: Replacement procedure for ball screws of each axis
19/65
2.2.1. Sub-assembly
Note:
Please ship the ball screw as a Sub-Assy.
Assemble the parts taking the replaced Ball screw Assy. as a model.
Figure 23
Caution:
When you assemble the parts by yourself without using the sub-Assy., please make sure to check and
adjust the center position of the bearing.
1. Assemble the parts at the dead end side of the ball screw. (Bearing, seal, shim and housing)
2. Mount the SUPPORT UNIT assembled in procedure 1 on the ball screw on the motor side, and fix
it by tightening the LOCK NUT. Then tighten the set screw on a corner of the LOCK NUT and
make a mark with a marker pen.
3. Set the stopper to the ball screw.
Service Engineer
Service Information
SI0802008E-000= YG series: Replacement procedure for ball screws of each axis
20/65
2.3. How to assemble the ball screw Assy. and other attached components
Caution:
Stick the shims to where they were before with the grease. Please be careful not to lose them when
assembling the parts.
1. Set the ball screw sub-Assy. to the HOLDER NUT Y AXIS.
2. Insert the SUPOPRT UNIT into the HOLDER MOTOR Y and fix it by fully tightening the four bolts
(M4*14).
Figure 24
Figure 25
SUPPORT UNIT
Fixing bolt for the
SUPPORT UNIT (Qty:4)
SCREW BALL Y AXIS
Motor for the Y-axis
X-axis frame
Fixing bolts (Qty:4)
Y-axis nut bearing
SCREW BALL Y
AXIS