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*1 When the power supply voltage drops, the continuous running duty and the speed cannot be guaranteed.
*2 If the load to motor inertia ratio exceeds the indicated value, contact your local sales office.
*3 The shaft-through portion is excluded. IP classifies the degree of protection provided against the intrusion of solid objects and water in
electrical enclosures.
*4 The vibration directions are shown in the following figure. The value is the one at the part that indicates the maximum value (normally
the opposite to load-side bracket). When the rotary servo motor stops, fretting is likely to occur at the bearing. Therefore, suppress the
vibration to about half of the permissible value.
Rotary servo motor
X
Y
Vibration
1000
100
10
1
0 1000 2000 3000 4000 5000 6000 7000
*5 V10 indicates that the amplitude of a rotary servo motor as a single unit is 10 μm or less. The following figure shows the rotary servo
motor mounting position for measurement and the measuring position.
Rotary servo motor
Top
Measuring position
Bottom
*6 Refer to the following for permissible load for the shaft.
Page 118 Permissible load for the output shaft
*7 Servo motors with an oil seal are also compatible.
*8 The values in ( ) are for when the torque is increased.
*9 When IP67 cables are needed, contact your local sales office.
*10 If the speed is 3000 r/min or less, the recommended load to motor inertia ratio will be 30 times or less.
*11 If the speed is 3000 r/min or less, the recommended load to motor inertia ratio will be 20 times or less.
*12 For the HK-KT053W_J_ (with an oil seal), use it at a derating rate of 80 %.
*13 Servo motors with an electromagnetic brake are also compatible.
6 HK-KT SERIES
110
6.2 Standard specifications
Speed [r/min]
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