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]
PHQA421	5.5	45 – 170	18 – 84	6000	1	42
PHQA422	22 – 55	100 – 170	34 – 131	6500 – 8000	1	35 – 37
PHQA521	5.5	106 – 425	55 – 221	5500	1	107
PHQA522	22 – 55	174 – 425	61 – 327	6000 – 7000	1	87 – 95
PHQA721	5.5	528 – 950	196 – 496	5000	1	235
PHQA722	22 – 55	409 – 950	148 – 731	5000 – 6500	1	195 – 207
PHQA723	88 – 275	673 – 950	222 – 705	6000 – 7000	1	202 – 204
PHQA822	22 – 55	716 – 2600	376 – 1923	4500 – 6000	1	615 – 661
PHQA823	88 – 385	1267 – 2600	372 – 1996	5000 – 6500	1	635 – 647
PHQA932	18 – 60	2232 – 6000	1069 – 3722	3000 – 4500	1	1149 – 1237
PHQA933	72 – 600	1728 – 6000	896 – 4566	4500 – 6000	1	1145 – 1207