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Lengthened Center Distance Gearbox HK series

Lengthened Center Distance Gearbox HK series

Lengthened Center Distance Gearbox HK series

Gearbox

Lengthened Center Distance Gearbox HK series

  • Introduction

    Modular design with strong part commonality and interchangeability. Gears undergo carburising and grinding processes, delivering high strength and low vibration.
  • Main parameters

    Series HK5-HK22
    Speed Ratio I=14-250
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PERFORMANCE

A gearbox, invented to modify the speed and torque value of a motor, simultaneously increases the torque at the output end when reducing speed. Vice versa, when it increases speed, it reduces torque.

Understanding the basic differences between gear designs, the fundamentals, and how to match gearboxes with your project demands are 3 crucial dimensions in choosing the right gearbox for your electric motor.

Two main types of gearboxes are in-line gearboxes and right-angled gearboxes, each employing specific types of gear.

In-line gearboxes can have the output shaft either coaxial (aligned) with the motor shaft or offset by a small distance, depending on the design of the gear train. Gears such as spur gears, helical gears, herringbone gears, and planetary gears are commonly used in in-line gearboxes to transmit the RPM of the motor to an output shaft parallel to the motor shaft.

In contrast, right-angle gearboxes transfer the RPM of a motor to an output shaft at right angles (90 degrees) from the motor shaft axis. Gears like bevel gears and worm gears are typically installed in right-angle gearboxes.

To shoulder every possible task in lifting and driving mechanisms, Purui imported NILES gear grinding machines, AICHELIN heat treatment systems, MAZAK machining center, and many big-name production equipments, resulting in a series of gearboxes with high precision, low energy consumption, low noise, and long lifespan.

APPLICATION

Crane reducers are widely used in ports, construction, metallurgy and other fields, and their performance directly affects the safety and efficiency of the equipment. Daily maintenance requires regular inspection of the lubricating oil status, gear wear and sealing to avoid failures caused by poor lubrication or foreign matter intrusion. High-quality reducers can significantly extend the service life of the crane and reduce maintenance costs.

 

parameter


Parameter itemParameter value/description
Applicable institutionsLifting mechanism
Rated output torque45,000
Rated input power45
Rated input speed1500
Transmission ratio40
Job levelM6
Service factor1.25
Center distance315
Installation formFlange type (I type)
Input shaft formSolid shaft with flat key
Output shaft formShrink disk hollow shaft
Gear typeHelical gear
Gear accuracy gradeISO class 6
Lubrication methodsplash lubrication
Lubricating oil typeL-CKD 320
Lubricating oil quantity42
Working environment temperature-20°C to +45°C
Protection class (IP)IP55



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