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CPG compact planetary gear units

Planetary gear units have been an important part of RENK’s product portfolio for many decades. RENK’s planetary gear units transmit outputs of more than 20 MW and torques of more than 4.5 million Nm.

Due to their optimized designs combined with high manufacturing quality, they prove particularly effective during long-term operation and thereby ensure the availability of the system over extended periods of time. RENK very successfully employs three-dimensional, corrected straight/high toothing in the CPG. The sun pinions and planetary carriers are case-hardened and ground, the ring gear is highly tempered, optionally hardened, and precision ground.

Both connection couplings of the CPG are also integrated into the system. The gear unit is flange-mounted directly onto the engine/generator.

The uncomplicated construction of the CPG, its high manufacturing quality, and good efficiency ensure low life cycle costs.

Features

CPG compact planetary gear units

Most cost-effective gear unit solution

Extremely low space requirements

Extremely lightweight

Integrated couplings and coupling guards

No internal axial forces caused by the system

Compensation of thermal external axial forces

Co-axial shaft arrangement (no center distance)

High degree of efficiency

No base required for gear unit

Technical data

Power:
2 – 35 MW
Low speed shaft:
< 3 600 rpm
High speed shaft:
< 20 000 rpm
Ratio:
3 – 11
Efficiency:
99,00%

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