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For high precision applications (G5/G7)
Specifications
Item
Mounting method
Mounting direction
Lubrication method
Output shaft rotation direction
*3
Backlash
Permissible load to motor inertia ratio
(converted into equivalent value on servo motor shaft)
*5
Maximum torque
Maximum speed
(For servo motor shaft)
IP rating (gear reducer area)
*2
Gear reducer efficiency
*1 If the permissible load to motor inertia ratio exceeds the indicated values, contact your local sales office.
*2 The gear reducer efficiency varies depending on the reduction ratio. The gear reducer efficiency also varies depending on the operating
conditions such as output torque, speed, and temperature. The values in the table are the representative values at the rated torque,
rated speed, and the room temperature, and are not guaranteed values.
*3 The unit of backlash is calculated as follows: 1 arc minute = 0.0167 °
*4 The torque characteristics of the HK-ST152(4) is the specifications calculated by derating the HK-ST172(4)W with the output ratio (rated
torque: 7.2 N•m) . The moment of inertia and characteristics of electromagnetic brake are the same as those of the HK-ST172(4)W.
*5 The torque of the geared servo motor does not increase even if in combination with a servo amplifier with a larger capacity.
8 HK-ST SERIES
194
8.7 Geared servo motor
Description
Flange-mounting
Any direction
Grease lubrication (lubricant filled from the factory)
The same direction as the rotary servo motor
3 arc minutes or less on the gear reducer output shaft
10 times or less
*1
3 times the rated torque for the rotary servo motor
3000 r/min
Equivalent to IP44
77 % to 92 %
*4
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