R210LC-7 31N6-10180 31N6-10150 Swing Reduction Motor Assy For Excavator Parts

R210LC-7 31N6-10180 31N6-10150 Swing Reduction Motor Assy for excavator parts

The slewing gearbox (also called the swing drive or rotary gearbox) is a critical component in excavators, enabling 360-degree rotation of the upper structure (house) relative to the undercarriage.

Product description

List of spare parts

Construction and Components

A typical slewing gearbox consists of:

• Gears: Planetary gears, spur gears, or worm gears for torque multiplication.

• Housing: Robust cast iron or steel casing to withstand heavy loads and environmental stress.

• Input Shaft: Connects to the hydraulic motor.

• Output Pinion: Engages with the slewing ring gear.

• Bearings: Tapered or roller bearings to reduce friction.

• Seals: Prevent lubricant leakage and contamination.

• Brake Assembly: Disc or drum brakes for rotation control.

Functions

• Rotation Control: Enables precise 360° excavator movement.

• Load Distribution: Transfers operational loads (e.g., digging forces) to the undercarriage.

• Shock Absorption: Mitigates impacts during sudden stops or uneven terrain.

• Power Transmission: Efficiently transfers hydraulic/electric power to rotational motion.

31N6-10180 Swing Reduction Motor Assy

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31N6-10150 Swing Reduction Motor Assy

R210LC-7 31N6-10180 31N6-10150 Swing Reduction Motor Assy For Excavator Parts Images