YAMAHA-YG系列 换螺杆指导书.pdf - 第21页

Service Engineer Service I nformati on SI080 2008 E-000 = YG series: Replacement proc edure for ball screws of each axis 21/65  Wh en mountin g the ball screw of YGD, YG 88 and YG100 mod els. 3. Insert the HOUSING BRG. …

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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
Service Engineer
Service Information
SI0802008E-000= YG series: Replacement procedure for ball screws of each axis
21/65
When mounting the ball screw of YGD, YG88 and YG100 models.
3. Insert the HOUSING BRG. Y into the HOLDER BRG. Y, and fix the HOUSING BRG Y
temporarily with the four fixing bolts (M5*14).
Figure 26
4. Temporarily tighten the six bolts (M4*30) of the coil springs that pull the ball screw with fingers.
Figure 27
Caution:
If a shim plate was put between the HOLDER BRG Y and the Y-axis frame before replacement, put the
shim back to where it was when assembling them.
HOLDER, BRG. Y
Bolts to fix the holder (Qty:4)
SCREW BALL Y AXIS
SCREW BALL Y AXIS
HOLDER, BRG. Y
Bolts for the coil
springs of the
Y-axis ball screw
Service Engineer
Service Information
SI0802008E-000= YG series: Replacement procedure for ball screws of each axis
22/65
When mounting the ball screw of YG88R, YG100R, YG200, YG200L and YG300 models.
5. Assemble the bearing on the dead-end side of the SCREW BALL Y AXIS.
1) Insert the dead-end side of the SCREW BALL Y AXIS into the bearing.
2) Tighten the LOCK NUT with a spanner while inserting a hex wrench into a hole (for
anti-rotation) on the SCREW BALL Y AXIS.
3) Tighten the set screw for anti-backlash on a corner of the LOCK NUT with a hex wrench.
Figure 28
* The following procedure is common to all the models.
6. Temporarily tighten one of the two bolts at the slotted part of the coupling on the ball screw side.
Figure 29
Setscrew for fixing the LOCK NUT
LOCK NUT
HOLDER, BRG. Y
*Please do not remove this part.
SCREW BALL Y AXIS
FRAME R, Y AXIS
Hex wrench (Size 3)
SCREW BALL Y AXIS
Coupling