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Slew drives

We are recognized as one of the renowned manufacturers of slew drives

Slew Drives

Top Gear has designed slew drive series to enhance the rotary movement of various equipment’s. Slew drive series consists of wide range of drives suitable for hydraulic and electric prime mover with inbuilt parking brakes along with a drive pinion. Unique feature of slew drive has special bearing to take care of inertial, radial and thrust loads.

Download Product Technical Catalogue

In this PDF you get the following information
INTRODUCTION
TECHNICAL DATA
SERVICE FACTOR
LUBRICATION
CONSTRUCTION INFO
SELECTION PROCEDURE

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Specifications of Slew drives

Input

Input

Hydraulic motor or Electric motor

Torque Capacity

Torque Capacity

600 Nm To 200000 Nm

Gear Ratio

Gear Ratio

3.6 to 3000:1

Brake

Brake

Electromagnetic / Hydraulic spring loaded multi disc/ Thruster brake

Key Features of Slew drives

  • Output shaft: splined or with Integral pinion
  • Flange mounted
  • Designed for high Radial and Thrust loads.
  • Rugged design to ensue inertia of rotating masses
  • Suitable for Electric, Hydraulic as well 90 degree coupled prime mover
  • Output shafts supported by heavy-duty capacity bearings
  • High torque /weight ratio
  • Mounting locating diameter available with eccentric centrline facility to adjust backlash between pinion & bull gear (optional)

BENEFITS OF Slew drives

Compact in size

Can Transmit high torque

Highly Reliable

PRODUCT APPLICATIONS OF Slew drives

Construction Machinery
  • Tower cranes
  • excavators

Steel Plants
  • Bucket Wheel Reclaimers
Mines and Minerals
  • Stacker reclaimer


Marine
  • Ship loaders

FAQ About Slew drives

For Slew drive electric or hydraulic motor is used as prime mover

Depends upon the requirement and application

Slew drive is used for any machine having turning movement. Usually it is used with slew bearings which has got internal or external teeths and gearbox has pinion on output shaft that drives the big gear of slew bearing

Planetary gear box is used in slew drive

Normally slew drives are electric or hydraulic. Electric type has got shoe type brake or Negative electromagnetic brake on motor. Whereas hydraulic type has got multidisc hydraulic brake

Normally spherical or roller bearings are used in slew gearbox out put shaft to take care of high radial loading

Normally slew gearbox has got pinion with corrected profile to ensure full contact pattern with slew bearing gear

To adjust the backlash between pinion and slew gear the mounting of gearbox is made slightly essentric to adjust backlash precisely

Slew Gearbox is used for Stacker Reclaimer, Ash handling Reclaimer, Windmill, Tower cranes and excavators.

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