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MDS-D/DH Series Specifications Manual
7-3 Selection of the power supply unit
(b) Spindle rated output
The spindle rated output is calculated from the following expression.
Spindle rated output
=Spindle motor rated output x motor output coefficient β of the combined spindle drive unit
For the spindle motor rated output of the above expression, use the value calculated in (a).
For the motor output coefficient of the combined spindle drive unit, use the value corresponding to the
used spindle drive unit in the table 2.
Table 2. Motor output coefficient list of combined spindle drive unit
< MDS-D Series >
< MDS-DH Series >
Spindle motor
rated output
Combined spindle drive unit MDS-D-SP-
20 40 80 160 200 240 320 400 640
～ 1.5kW
1.001.151.25------
～ 2.2kW
-1.001.151.30-----
～ 3.7kW
-1.001.051.20-----
～ 5.5kW
--1.001.101.20----
～ 7.5kW
- - - 1.00 1.15 1.20 - - -
～ 11.0kW
- - - 1.00 1.05 1.10 1.15 - -
～ 15.0kW
- - - - 1.00 1.05 1.10 - -
～ 18.5kW
- - - - 1.00 1.00 1.05 1.10 -
～ 22kW
-----1.001.001.051.15
～ 26kW
------1.001.001.10
～ 30kW
------1.001.001.05
～ 37kW
-------1.001.05
～ 45kW
--------1.0
～ 55kW
--------1.0
Spindle motor
rated output
Combined spindle drive unit MDS-DH-SP-
20 40 80 100 160 200 320 480
～ 2.2kW
1.001.151.30-----
～ 3.7kW
1.001.051.20-----
～ 5.5kW
- 1.00 1.10 1.20 - - - -
～ 7.5kW
- - 1.00 1.15 - - - -
～ 11.0kW
- - 1.00 1.05 1.15 - - -
～ 15.0kW
- - - 1.00 1.10 - - -
～ 18.5kW
- - - 1.00 1.05 1.10 - -
～ 22kW
- - - - 1.00 1.05 1.15 -
～ 26kW
- - - - 1.00 1.00 1.10 1.20
～ 30kW
- - - - 1.00 1.00 1.05 1.15
～ 37kW
- - - - - 1.00 1.05 1.10
～ 45kW
------1.001.05
～ 55kW
------1.001.00
～ 75kW
-------1.00
1. When the spindle motor applies to the wide range constant output specification or the high-torque
specification, the spindle rated output may become large.
2. The spindle rated output is calculated from the motor output coefficient of the spindle drive unit
used in combination with the spindle motor.
POINT