产品分类
PHA Series
Precision for highest demands. Helical gearing. Highest torsional and tilting stiffness. Backlash up to < 1 arcmin. Flange output shaft. Short motor adapter with integrated holding brake and plug-in coupling. Easy and secure motor mounting. Can be attached to almost any make of servo motor.


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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.
Lubricants and Maintenance


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


Black RAL 9005
Motor Adapter MB


- Integrated static current brake.
- As single brake or - together with motor brake - as redundant braking system.
- Motor adapter for all common synchronous servo motors.
- Plug-in coupling for easy removal of the motor with braked axis in any position.
Enclosure Type


IP54, optional IP65
Electrical Connection


- Standard design with terminal box and integrated release monitoring.
- Optionally with connector, however not in conjunction with electrical monitoring.
Coil


- Coil connection 24 VDC
- Coil connection 104 VDC (Connection voltage 220 – 277 V, ± 5%, 50//60 Hz) with high-speed rectifier.
For details see Operating instructions Brake module MB ID 441846
Option Hand Release


With the hand release the brake can be released mechanically.
Recommendation Motor


EZ synchronous servo motors 


For further information see Synchronous Servo Motors

Type

Ratio

Max. perm. acceleration torque [Nm]

Weight [kg]

Max. perm. input speed in cyclic operation [1/min]

Backlash [arcmin]

Torsional stiffness [Nm/arcmin]

PHA521

4 – 10

144 – 252

11

4000

1

17 – 39

PHA721

4 – 10

384 – 650

19

4000

1

28 – 74

PHA722

16 – 70

558 – 700

19

4000

1

97 – 138

PHA821

4 – 10

1200 – 1600

50

3000

1

39 – 143

PHA822

16 – 70

1488 – 2000

47

4000

1

242 – 404

PHA932

12 – 60

3655 – 5000

86 – 93

3000

1

289 – 975