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3.2
WARNING
Before starting the work, thoroughly read "1. Attaching, detaching, and replacing the cover" in Chapter 2.
The following shows the parts and tools necessary for the Y-axis harmonic drive replacement work.
3.2.1 Preparation
1.
Replacement parts
1
Harmonic drive
O-ring(Supplied with the
2
harmonic drive.)
3
O-ring
4
O-ring
5
Washer
6
Washer
5
7
Harmonic drive mounting bolt
8
Harmonic drive mounting bolt
9
Harmonic drive mounting bolt
2.
Tools(Torque wrench, etc.)
CAUTION
Use accurately calibrated torque screwdrivers and torque wrenches.
Torque Wrench
A
Replacement head
Torque screwdriver
B
Drive bit
Torque screwdriver
C
Drive bit
* Use a commercially available torque wrench to tighten bolts other than those shown above.
3.
Other tools
Name
Harmonic grease
Cleaning wipe
Phillips screwdriver
Hex wrench set
Screw thread locking
agent
*1: 27g
5-30
Replacing the Y-axis harmonic drive
Part Name
OMRON Part No.
KDS-M2110-00
KN3-M2144-00
KN3-M2143-00
KN4-M257K-00
92902-03600
92902-32000
91312-03020
91312-03030
91312-03008
Name
Part No.
N120SPCK
230HCK4
N30LTDK
B35, opposite
side 2.5×75
N12LTDK
3C1507
Part No.
4B No.2 (*1)
Loctite 262
Part No. / Specs
Cross section diameter: 0.99mm
Inside diameter: 53.28mm
Cross section diameter: 1.5mm
Inside diameter:49.0mm
Cross section diameter: 1.78mm
Inside diameter:72.75mm
M3
M3
M3 × 20
M3 × 30
M3 × 8
Manufacturer
KANON
For M5 hex socket head bolt
(Nakamura Mfg. Co., Ltd.)
Tightening torque: 7.4Nm (76kgfcm)
KANON
Insert M5 hexagon socket wrench (without end ball)
(Nakamura Mfg. Co., Ltd.)
110mm
KANON
For M3 hex socket head bolt
(Nakamura Mfg. Co., Ltd.)
Tightening torque: 1.8Nm (18kgfcm)
Attachment hexagonal width across flat: 6.35mm
Vessel Co., Inc.
Overall length: 75mm
Hexagonal width across flat at tip: 2.5mm
KANON
For M3 set screw
(Nakamura Mfg. Co., Ltd.)
Tightening torque: 0.7Nm (7kgfcm)
Attachment hexagonal width across flat: 6.35mm
NAC
Overall length: 70mm
(Nagahori Industry Co., Ltd.)
Hexagonal width across flat at tip: 1.5mm
Manufacturer
Do not use grease if it was purchased 4 or more years
Harmonic Drive Systems
ago. The grease has probably deteriorated.
Henkel
High strength type (red)
Q'ty
Remarks
1
May deteriorate and must be
1
replaced.
May deteriorate and must be
1
replaced.
May deteriorate and must be
1
replaced.
16
12
16
12
8
Remarks
Remarks
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