Home Products Slewing Drive for Industrial Machinery SD21 Slewing Drive for Industrial Machinery

SD21 Slewing Drive for Industrial Machinery

Product Overview

Homeyard’s horizontal slewing drive adopts the meshing transmission of the enveloping worm or the straight worm and the slewing bearing.

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SD Series Specification:

Horizontal slewing drives adopt enveloping worm or straight worm meshing with slewing bearings for power transmission. 
 
They are compatible with most power equipment available on the market, including hydraulic motors, DC motors, AC motors, servo motors and stepping motors, to satisfy customers’ overall equipment requirements.
 
The SD slewing drive features an enclosed housing with lip seals, and is engineered for mining equipment, aerial work platforms, cranes, excavator frames, positioners, steering systems and utility machinery. 

SD Series Features:

Backed by Homeyard’s enveloping worm gear technology, the SD series slewing drives deliver reliable precision and come with numerous distinctive advantages. 
  • Lightweight, heightened low-speed gearbox
  • Enclosed cabinet design for enhanced sealing performance
  • Equipped with slewing bearing assemblies
  • Capable of 360° rotation
  • Self-locking gear set
  • Standard metric or imperial mounting thread options
  • Multiple input configurations available
  • Optional electric motor or hydraulic motor

SD21 Slewing Drive for Industrial Machinery Performance Parameters

SD21  Slewing  Drive  Performance  Parameters
Gear Ratio 125:1
Tilting Moment(max.) 203 kN.m 169.6x103Ibf.ft
Holding Torque 105.8kN.m 78×10³Ibf.ft
Output Torque 15kN.m 11×10³Ibf.ft
Output Speed <2.5rpm
Input Torque(max.) 500N.m 368.8 Ibf.ft
Input Speed(max.) 300rpm
Static Axial Load Rating 1598 kN 359.6x10³Ibf
Static Radial Load Rating 640 kN 144×10³Ibf
Dynamic Axial Load Rating 385 kN 86.6×10³Ibf
Dynamic Radial Load Rating 335 kN 75.4×10³Ibf
Mechanical Efficiency 40%
Self-locking static self-locking
Precision ≤0.15°
IP Class IP65