产品分类
PK Series
Drive unit made up of an input multistage angular gear unit and a robust planetary output stage. Robust solid shaft. Motor adapter with integrated holding brake and plug-in coupling.


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Shaft design


- Solid shaft with key
- Solid shaft without key
Output available on side 3 or 4.
Output side
Bearing Design


- Normal bearings
- Reinforced bearings for higher axial load capacity (option)
- Reinforced bearings for higher radial load capacity (option)
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


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]

P521_K1_

12 – 42

200 – 300

23

4000

4 – 5

20 – 26

P721_K1_

28 – 88

500 – 650

27

4000

3.5 – 4

45 – 47

P721_K2_

12 – 87

500 – 700

34 – 40

4000

4 – 4.5

32 – 47

P821_K2_

28 – 196

1185 – 1400

47 – 53

4000

3.5

117 – 133

P821_K3_

12 – 174

677 – 1600

52 – 58

3800 – 4000

4 – 4.5

60 – 131

P921_K4_

28 – 390

2510 – 2700

88 – 105

3000 – 4000

3.5

232 – 270