NSK MEGATORQUE M-ESB-YSB2020AB300 - Installation; Motor Mounting; Fixing Motor; Loading Attachment (Work) to Motor

— 3-2 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
3.2. Installation
3.2.1. Motor Mounting
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
3.2. Installation
3.2.1. Motor Mounting
à Megatorque Motor YSB Series
The standard series is neither dust-proof nor waterproof (IP30 equivalent).
The area where the Motor is used must be free of oil vapor and water.
3.2.1.1. Fixing Motor
！
Warning: Use the boltholes on the flange of Motor mounting base or the tapped
holes on its bottom, and fully fasten all bolts.
l The flatness of Motor mounting surface shall be 0.02mm or less.
！
Danger: When installing a Motor equipped with brake, be sure to keep the friction
plate of brake free from iron powder or oil.
！
Danger: The brake may not function if iron made member exists near the brake.
Please provide 15 mm or more clearance around the Motor.
3.2.1.2. Loading Attachment (Work) to Motor
！
Warning: Use all of the tapped holes on the rotor of Motor to fix an attachment.
Fasten the bolts securely so that there will be no play between the rotor
and the attachment (load).
3.2.1.3. Checking Load Inertia
l The load inertia is generally much bigger than the rotor inertia in the Megatorque Motor System.
The measures of allowable load inertia for each Motor size are shown in Table 3-2.
Table 3-2 [Unit: kg
･ m
2
]
High speed positioning For general use
YSB2020
0.025 to 1 1 to 2
YSB3040
0.05 to 2 2 to 4
YSB4080
0.1 to 4 4 to 8
YSB5120
0.15 to 6 6 to 12
！
Warning: Check the use conditions if the load is under the allowable thrust load
and moment load of the Motor.
l Refer to the specifications of Motors.