NSK EDD Megatorque Motor - Installation Guidelines

3. Unpacking, Installation and Wiring
— 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 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/PN/PX series Megatorque 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.
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Warning : Mount the Motor using the tapped holes of the bottom of the Motor or
mounting holes of the Motor mounting base.
 The mounting surface flatness should be 0.02 [mm] or less.
 The Motor can be installed either horizontally or vertically.
 The bolt tightening torque and screw insertion depth should be as follows.
Table 3-1: Bolt tightening torque and screw insertion depth
Motor type
PS1
series
PS3
series
PX3 series
Bolt hole
M4
M6
Fixed surface
A(M6)
Fixed surface
B(M5)
Tightening torque
[N･m]
3.4 or less
13 or less
14 or less
9.0 or less
Screw insertion depth
[mm]
4 to 5.5
7 to 8.5
7 to 8.5
6 to 7.5
Table 3-2: Bolt tightening torque and screw insertion depth
Motor type
PN2 series
PN3
series
PN4 series
Tightening torque
[N･m]
5.3 to 6.5
7.8 or less
20 or less
Screw insertion depth
[mm]
5 to 6.5
6 to 7.5
10 to 11.5
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Caution : For the PX3050 Motor, use either fixed surface A or fixed surface B as the
installation surface.
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Caution : When using fixed surface A as the installation surface, set the mating
width of ø78h8 to 3.5 [mm] or less.
 Refer to "Fig 2-27: PX3050 type Motor" for the fixed surface of the PX3 series
Motor