Gears and pinions are responsible for transmitting torque within crane travel and hoisting gear drives, directly influencing the smooth operation of the entire system. When designing or replacing these components, we evaluate the gear module, number of teeth, face width, gear mesh configuration, material, hardness, manufacturing accuracy, and lubrication method. Equal attention is given to the condition of the mating gear, shafts, bearings, and gearbox, as wear in any one of these components can quickly affect the performance and service life of the entire gear train.
We manufacture replacement components to match the specific gearbox design, required operating loads, and service conditions. Our engineering process focuses on precise gear geometry, appropriate material selection, and suitable heat treatment to ensure smooth operation and excellent resistance to wear. For older crane systems, we can design and manufacture replacement gears or pinions that are fully compatible with the original drivetrain, minimizing the need for unnecessary modifications to the existing equipment.
Gearboxes are a fundamental component of crane drive systems. They transmit power from the motor to the travel wheels, rope drums, or other driven components, determining the speed, smoothness, and overall operating characteristics of the crane. During the design process, we take into account the operating loads, duty cycle, starting characteristics, speed control requirements, and integration with the braking system, coupling, or cardan shaft.
We supply gearboxes for new crane installations as well as replacement units for the modernization of existing equipment, including the design of suitable mounting arrangements and integration with the current drive system. When replacing a gearbox, we evaluate not only the gearbox itself but also the condition of the motor, shafts, bearings, lubrication system, seals, and other associated components. A properly selected gearbox ensures quiet operation, reliable power transmission, and safe, long-term performance.
A gearbox generally consists of a drive and driven shaft, a toothed gear and a housing. The housing usually consists of a cover and a sump. The gearbox housing may be designed as a casting or a weldment or a combination thereof. Lubrication is by oil. It can be pressure (by means of a gear pump) or spray.
The size depends primarily on the torque that needs to be transmitted from the motor to the crane's own drive gear.
