Bonfiglioli 335 M3 C Riduttore Planetario Motore Riduttore i 170
The Bonfiglioli 335 M3 C Riduttore Planetario Motore Riduttore with a ratio of i=170 is a high reduction integrated planetary gear motor. The Italian terms Riduttore Planetario and Motore Riduttore refer to a planetary reducer and a gear motor. The 335 M3 C designation identifies the gearbox size and configuration, while the 170 to 1 ratio provides a very high reduction suitable for applications that require high torque at low output speed. This unit is intended for heavy conveyors, mixers, and industrial machinery.
Product Overview
Planetary gearboxes use multiple planet gears that rotate around a central sun gear inside a ring gear. Because the load is shared among several planet gears, planetary reducers can transmit high torque in a compact package. The 335 size is a larger unit in the Bonfiglioli planetary range, designed for demanding industrial duty. The M3 C configuration defines the shaft, flange, and mounting details.
The gear motor combines a planetary reducer with a matched motor to form an integrated drive. The high 170 to 1 ratio provides a substantial speed reduction, which is useful in applications that require slow, powerful movement. The integrated design reduces the number of separate transmission components.
Construction and Design
The planet gears, sun gear, and ring gear are manufactured to precise tolerances to provide smooth rotation and reliable torque transmission. The housing supports the shafts and bearings with high stiffness. Bearings are selected for the radial and axial loads generated by the planetary gear action. Lubrication is contained within the housing and distributed to the gears and bearings during operation.
The motor section includes a stator, rotor, shaft, bearings, terminal box, and cooling provisions. The output shaft is machined to accept couplings, pulleys, sprockets, or other driven components. Correct alignment between the gear motor and driven equipment is important for long bearing and seal life.
Performance Characteristics
The 170 to 1 ratio determines the output speed by dividing the motor speed by 170. The output torque is increased in proportion to the reduction ratio, subject to gearbox efficiency and torque limits. Planetary gearboxes provide high torsional rigidity and efficient torque transmission. The integrated gear motor should be selected with an appropriate service factor for the duty cycle.
Starting loads, shock loads, and continuous operation affect the thermal and mechanical capacity of the unit. The motor should be protected against overload and abnormal supply conditions. The gearbox should be checked for thermal capacity when operating at high duty cycles or high ambient temperatures.
Applications
The Bonfiglioli 335 M3 C planetary gear motor is suitable for heavy conveyors, screw feeders, mixers, agitators, and industrial machinery that require high torque at low output speed. The high reduction ratio makes the unit useful in applications where the driven equipment runs slowly. The robust construction supports reliable operation in demanding environments.
The motor can be connected to standard industrial supply arrangements according to the nameplate rating. The gear motor can be used in applications that require frequent starting and stopping, provided that the duty cycle and thermal capacity are considered.
Installation Guidelines
Installation should begin with a check of the nameplate data and a visual inspection of the assembly. The gear motor should be mounted on a rigid base that can withstand the torque reaction. Mounting bolts should be tightened to the recommended torque. The motor should be connected according to the terminal diagram for the available supply voltage.
The output shaft should be aligned with the driven equipment to avoid excessive radial and axial loads. After installation, the assembly should be checked for smooth rotation and correct oil level. A short run without load helps confirm correct operation.
Maintenance Recommendations
Regular maintenance supports reliable performance and long service life. Oil level and oil condition should be checked at recommended intervals. The first oil change should be performed after the initial running in period, and later changes should follow the schedule for the operating conditions. Seals and bearings should be inspected periodically.
The motor cooling fan and fan cover should be kept clean. The exterior of the gear motor should be kept clean to support heat dissipation. In dusty or humid environments, additional protection may be needed.
Selection Considerations
When selecting the 335 M3 C i=170 gear motor, engineers should confirm the required output torque, output speed, duty cycle, and environmental conditions. The 170 to 1 ratio and motor speed determine the output speed. The available torque depends on motor power and gearbox efficiency. A service factor should be applied for starting loads, shock loads, and continuous operation.
The input and output interfaces must match the motor and driven equipment. The mounting position should provide adequate support and allow correct lubrication. For applications with high radial loads, additional bearing support may be required.
Conclusion
The Bonfiglioli 335 M3 C Riduttore Planetario Motore Riduttore i 170 offers a high reduction planetary gear motor solution with high torque density and reliable operation. Its construction supports dependable performance in heavy conveyors, mixers, and industrial machinery. With correct installation and maintenance, the unit provides stable performance and long service life.
