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KK Series

Planetary flange reducer with right-angle drive

The PK series planetary gearboxes combine an innovative modular design with exceptional torque density. Thanks to their planetary architecture, which includes a sun gear, planet gears, and a ring gear, they offer superior performance in a compact size, ideal for demanding mobile and industrial applications.

Couple nominal : 1.000 - 50.000 Nm

Reduction ratio: 6 - 759

Size range: 9 models available

Yield: Up to 97% per floor

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Main features

Modular planetary design with solar gear, satellites and crown
Compact housing with bearings optimized for high radial and axial loads
Multiple output shaft options (solid shaft, flanged, hollow shaft or solid shaft with splines)
Standardized flanges for AC and hydraulic motors
Option for right-angle drive with bevel gear stage
Flexible mounting with torque arm or output flange
Advanced lubrication system for various working conditions

Product range

The PK series comprises 9 different sizes covering a torque range from 1,000 to 50,000 Nm, specially designed for applications requiring high torque density in a small footprint.

Detailed technical data

Setting	Value	Unit
Couple nominal	1.000 - 50.000	Nm
Reduction ratio	6 - 759	-
Typical yield	94 - 97%	-
Degree of protection	IP65, IP66, IP67	-
Serving temperature	-25°C to +90°C	°C
Noise level	<70 dB(A)	dB
Angular play	<10 arcmin	arcmin

Size chart

Reduced size	Rapport [i]	Couple nominal [Nm]	Output shaft [mm]
P.11..K	7 - 691	1.000	Ø50/82
P.12..K	7 - 691	2.000	Ø50/82
P.15..K	6 - 715	3.100	Ø60/105
P.16..K	6 - 715	5.000	Ø60/105
P.19..K	7 - 759	8.500	Ø80/130
P.23..K	11 - 614	12.500	Ø90/170
P.24..K	11 - 614	20.000	Ø90/170
P.27..K	8 - 604	25.000	Ø110/210
P.29..K	8 - 501	35.000	Ø120/210
P.35..K	8 - 523	50.000	Ø140/200

Technical advantages

Characteristic	Profit
Planetary architecture	Exceptional torque density in a compact size
Modular design	Flexibility to adapt to different applications
Optimized bearings	Superior radial and axial load capacity
Multiple tree options	Perfect adaptation to every mechanical configuration
Optional right-angle drive	Compact solution for small spaces

Options and accessories

Servomotor-specific connection flanges
Electromagnetic brakes (24V/230V/400V)
Integrated anti-deflection system
512-1024 pulse encoder for position control
External fan cooling for VFD applications
Special seals for extreme environments
Glass oil level indicator
Temperature and vibration sensors

Areas of application

The PK series planetary gearboxes are ideal for applications requiring high torque in a limited space:

Mobile machinery - Construction equipment, forklifts, special vehicles
Industrial robotics - Robotic arms, rotation axes, positioners
Renewable energy - Solar trackers, orientation systems
Special machines - Packaging machines, production equipment
Materials handling - Winches, hoists, lifting systems

Competitive advantages

Maximum compactness

The planetary architecture allows for unparalleled torque density, offering superior performance in a compact footprint, ideal for applications where space is critical.

Exceptional precision

With an angular clearance of less than 10 arcmin and high torsional rigidity, the PK series guarantees precise positioning and optimal dynamic response for critical applications.

Versatility of integration

The modular design and multiple mounting options allow for perfect adaptation to all mechanical configurations, from mobile applications to fixed industrial machines.

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