产品分类
PHK Series
Highly rigid drive unit made up of an input multistage angular gear unit and a robust planetary output stage. Flange output shaft. Short motor adapter length. Easy and secure motor mounting. Can be attached to almost any make of servo motor.


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Shaft designs

- Flange shaft
Output available on side 3 or 4.
Output Side
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

Black RAL 9005
Motor Adapter ME

- Universal motor mounting system for almost all synchronous servo motors. 
- Option large (MEL) for large motors.
- Fast and secure motor mounting.
- Robust, balanced coupling. 
- Thermal length compensation.
- Low mass inertia.
EasyAdapt
Option ServoStop

- Integrated in the motor adapter, electrically released spring-loaded brake. 
- When the power is removed, in the event of a power failure or an emergency stop ServoStop will brake both drive and machine shaft safely and reliably. 
- Zero-backlash plug-in coupling.
ServoStop Motor Adapter with Brake
Recommendation Motor

EZ synchronous servo motors 

For further information see Synchronous Servo Motors

Type

Ratio

Max. perm. acceleration torque [Nm]

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

Backlash [arcmin]

Torsional stiffness [Nm/arcmin]

PH521_K1_

16 – 280

320

4500 – 6000

4 – 4.5

48 – 60

PH721_K1_

28 – 561

403 – 650

4500 – 6000

3.5 – 4

98 – 108

PH721_K2_

16 – 278

358 – 700

4000 – 5500

4 – 4.5

79 – 109

PH821_K2_

28 – 555

626 – 1478

4000 – 5500

3.5

224 – 248

PH821_K3_

16 – 279

894 – 1700

3800 – 5000

4

163 – 238

PH931_K5_

33 – 466

3840 – 4500

3000 – 4500

4 – 4.5

505 – 730

PH1031_K6_

49 – 457

6275 – 7500

2900 – 4000

4

1163 – 1210