Shaft Designs


Flange shaft
Bearing Design


Pretensioned angular contact bearings at the output in an O-arrangement, ideally suited for helical geared rack and pinion drive.
Mounting Positions


- Any mounting position.
- You can find the explanation of the mounting positions and the respective quantities of lubricant in the document Quantity of lubricant for gear units ID 441871
Lubricants and Maintenance


- Synthetic lubricant CLP HC ISO VG 150
- Lubricated for life
- Maintenance-free
Paint Finish


- Housing and connector black RAL 9005
- Motor cover b-side magenta RAL 4010
Synchronous Servo Motor EZ


- Extremely compact. 
- Highest power per unit volume. 
- Large torque. 
- High dynamic.
Synchronous Servo Motor EZ
External Fan


- According to DIN EN 60034-6, IC416
- To increase torque and continuous performance.
- In case of higher surrounding temperatures.
- Also available as a retrofit kit.
External Fan
Motor Brake


Optionally the motor b-side can be equipped with a permanent magnet holding brake.
EZ Brake
Encoder


- Optical or inductive measuring principle
- High system accuracy with up to 23 bits resolution 
- Up to 4096 recordable resolutions in multiturn version
- Electronic nameplate ensures fast and easy commissioning
- Compatible with STOBER drive controllers and drive controllers of many third-party manufacturers
Resolver
- High temperature resistance
- High vibration strength and shock resistance
Power and Encoder Interface


- Rotating plug connectors with quick lock.
- Option: Supplied with mating connectors.
EZ Connection Method
Encoder One Cable Solution (OCS)


HIPERFACE DSL One Cable Solution (OCS)
- Significantly reduced wiring effort by eliminating the encoder cable
- Significantly reduced space requirements by eliminating the encoder plug connector
- High system accuracy with up to 20 bits resolution 
- Up to 4096 recordable resolutions in multiturn version
- Electronic nameplate ensures fast and easy commissioning
- Additional information transferred with the position value
Power and Encoder Interface One Cable Solution (OCS)


- Rotating plug connector with quick lock (connection lines between the encoder and drive controller are routed along in the motor's power cable).
- Option: Supplied with mating connector.
EZ Connection Method (OCS)
Winding Protection


PTC thermistors are installed in STOBER synchronous servo motors as a configuration feature to implement thermal winding protection. This makes it possible for the motor to exceed the maximum permitted winding temperature with the appropriate devices turned off.
Drive Controller Recommendation


- POSIDRIVE MDS 5000 with power range 0.75 to 45 kW
- POSIDYN SDS 5000 with power range 0.75 to 45 kW
- SD6 with power range 0.75 kW to 45 kW
- SI6 with power range 0.75 kW to 25.9 kW
For further information see Drive Controllers

Type	Ratio	Max. perm. acceleration torque [Nm]	Stall torque on the gear unit output [Nm]	Max. perm. input speed in cyclic operation [1/min]	Backlash [arcmin]	Torsional stiffness [Nm/arcmin]
PH321_KX3_	5 – 30	26 – 62	9 – 45	4500 – 6000	5 – 6	7 – 9
PH322_KX3_	35 – 50	65	30 – 44	4500 – 5500	4.5	14
PH421_KX4_	4 – 30	53 – 120	17 – 81	4000 – 5500	4 – 5.5	11 – 19
PH422_KX3_	32 – 105	82 – 130	28 – 99	4500 – 6000	3 – 3.5	22 – 26
PH521_KX5_	4 – 30	121 – 302	39 – 227	3500 – 5000	4 – 5.5	28 – 47
PH522_KX4_	32 – 210	144 – 320	49 – 238	4000 – 5500	3 – 3.5	52 – 65
PH721_KX7_	4 – 30	227 – 650	84 – 491	3000 – 4000	4 – 5.5	83 – 119
PH722_KX5_	32 – 150	273 – 700	96 – 528	3500 – 5000	3 – 3.5	111 – 140
PH821_KX8_	4 – 30	465 – 1600	163 – 957	2000 – 3000	4 – 5.5	174 – 288
PH822_KX7_	32 – 210	733 – 2000	241 – 1466	3000 – 4000	3 – 3.5	304 – 448
PH932_KX8_	12 – 180	1649 – 5000	684 – 3430	2000 – 3000	3 – 4	788 – 1055
PH1032_KX8_	18 – 180	2028 – 7500	712 – 5563	2000 – 3000	3 – 3.5	1302 – 1589