NSK Megatorque PS Series User Manual

— 3-2 —
3.2. Installation
3.2.1. Motor Mounting
 Please follow the notes described below to make full use of the capabilities of the PS series
Megatorque Motor, a highly capable DD (direct drive) motor series.
3.2.1.1. Environmental Conditions of Motor
 Use the Motor in the indoor condition free from corrosive gas.
 The operating ambient temperature for the Motor shall be 0 to 40[°C].
 The PS series Motor is neither dust-proof nor waterproof. (IP30 equivalent)
Do not expose the Motor to water or oil from any source.
3.2.1.2. Motor Installation
 Install and secure the Motor on a rigid base, otherwise mechanical vibrations may occur.
！
Warning : Mount the motor using the tapped or through holes.
 The mounting surface flatness should be lesse than 0.02 [mm].
 The Motor can be installed either horizontally or vertically.
Figure 3-3: Mounting Motor
Table
Fixing bolt
Megatorque
Motor
Mounting base
Motor fixing bolt
Flatness of mounting surface shall be
0.02 mm or less.
N
ot
e
: If the motor is installed as indicated in the figure below, mechanical vibrations will b
e
generated and the velocity loop proportional gain(VG)cannot be increased. It will occu
r
overshoot and the motor can not operate smoothly.
• Attach the load directly to the Motor rotor.
• Mount the motor directly to the base.
Load
Megatorque
Motor
Mounting base
The load is not attached directly to
the rotor.
The Motor is not mounted
directly on the mounting
base.
！
Caution : The bend radius of the motor cable lead and the resolver cable lead
should be R30 [mm]
or more.
Do not use the leads of the motor cable and the resolver cable with
flexing motion.

NSK Megatorque PS Series Specifications

General

Brand	NSK
Model	Megatorque PS Series
Category	Engine
Language	English