Replacing The Y-Axis Harmonic Drive; Preparation - Omron SCARA XE Series Maintenance Manual

2.2

Replacing the Y-axis harmonic drive

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.
2.2.1

Preparation

1. Replacement parts
Part Name
1 Harmonic drive
O-ring
(Supplied with the
2
harmonic drive.)
3 O-ring
4 Washer
5 Harmonic drive mounting bolt
6 Harmonic drive mounting bolt
7 Harmonic drive mounting bolt
2. Tools(Torque wrench, etc.)
CAUTION
Use accurately calibrated torque screwdrivers and torque wrenches.
Name
Torque screwdriver N30LTDK
A
B35, opposite
Drive bit
side 2.5×75
Torque screwdriver N12LTDK
B
Drive bit 3C1507
* Use a commercially available torque wrench to tighten bolts other than those shown above.
3. Other tools
Name
Harmonic grease 4B No.2 (*1)
Cleaning wipe
Phillips screwdriver
Hex wrench set
Screw thread locking
Loctite 262
agent
*1: 27g
OMRON Part No.
KDS-M2510-00
Cross section diameter: 0.8mm
90990-17J016
Inside diameter: 45.40mm
Cross section diameter: 1.78mm
KN4-M1896-00
Inside diameter: 63.22mm
92903-03600 M3
91312-03030 M3 × 30
91312-03018 M3 × 18
91312-03008 M3 × 8
Part No. Manufacturer
KANON
(Nakamura Mfg. Co., Ltd.)
Vessel Co., Inc.
KANON
(Nakamura Mfg. Co., Ltd.)
NAC
(Nagahori Industry Co., Ltd.)
Part No. Manufacturer
Harmonic Drive Systems
Henkel
Part No. / Specs Q'ty
1
1
1
28
12
16
4
For M3 hex socket head bolt
Tightening torque: 1.8Nm (18kgfcm)
Attachment hexagonal width across flat: 6.35mm
Overall length: 75mm
Hexagonal width across flat at tip: 2.5mm
For M3 set screw
Tightening torque: 0.7Nm (7kgfcm)
Attachment hexagonal width across flat: 6.35mm
Overall length: 70mm
Hexagonal width across flat at tip: 1.5mm
Do not use grease if it was purchased 4 or more years
ago. The grease has probably deteriorated.
High strength type (red)
Remarks
May deteriorate and must be
replaced.
May deteriorate and must be
replaced.
Must be replaced
Must be replaced
Must be replaced
Remarks
Remarks
5-11
5