PHVA Series

The PHVA Series ServoFit® Planetary Gearheads is ideal for precise, high demanding applications. It is the advanced line version of our PHV and is recommended for acceleration torques of 4250-7500 Nm and readily attaches to any servo motor.
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Type	Ratio	Max. perm. acceleration torque [Nm]	Weight [kg]	Max. perm. input speed in cyclic operation [rpm]	Backlash [arcmin]	Torsional stiffness [Nm/arcmin]
PHVA933	61 – 121	4250	63 – 67	4500	1	804 – 848

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: Mobil SHC629
- Food Grade: Mobil SHC CIBUS 150
- Lubricated for life
- No maintenance

Paint Finish

Standard Black

Motor Adapter MF

- Universal motor mounting system for almost all servo motors.
- Option large (MFL) for large motors.
- Fast and secure motor mounting.
- Integrated FlexiAdapt® clamp coupling for motor shafts without key.
- Robust, balanced coupling.
- Thermal length compensation with flexible bellows coupling.

ATEX Certified

- Meets 2014/34/EU directive
- Equipment Category 2 & 3 (high & normal protection)
- Equipment Group 2 (non-mining)
- Protection level Gas & Dust
- 0-40°C (32-104°F) ambient temperature
- Temperature class of T4 & T3 (135-200°C (275-392°F) max surface temp)

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.

Option ServoCool

- Ventilation system for motor adapters ME and MF.
- With integrated radial fan.
- Allows operation at higher speeds or higher surrounding temperatures or helps reduce the temperature on the axis.
- Universal motor mounting system for almost all synchronous servo motors.
- Option "large" for large motors.
- Fast and secure motor mounting.
- Integrated clamp coupling for motor shafts without key.
- Robust, balanced coupling.
- Thermal length compensation.

Recommendation Motor

EZ synchronous servo motors

For further information see Synchronous Servo Motors