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MDS-D-SVJ3/SPJ3 Series Instruction Manual
1-4 Installation of the drive unit
1-4-4 Heating value
Each heating value is calculated with the following values.
The values for the servo drive unit apply at 50% of the stall output. The values for the spindle drive unit apply
for the continuous rated output.
Servo drive unit Spindle drive unit
Type
MDS-D-SVJ3-
Heating value
[W]
Type
MDS-D-SVJ3-
Heating value
[W]
Inside panel Inside panel
03NA 25 075NA 50
04NA 35 22NA 90
07NA 50 37NA 130
10NA 90 55NA 150
20NA 130 75NA 200
35NA 195 110NA 300
1. Design the panel's heating value taking the actual axis operation (load rate) into consideration.
2. The following table shows a load rate in a general machine tool.
POINT
50%
100%
Unit Load rate
Servo drive unit
Spindle drive unit