Low-Speed Elevator Guide Shoes Durable Polymer Composite For Smooth

Low-Speed Elevator Guide Shoes Durable Polymer Composite For Smooth

The elevator slide speed guide shoe is a fundamental yet critical component in the modern elevator system, acting as the primary interface between the moving car and the fixed guide rails. Its core function is to ensure smooth, stable, and quiet vertical transportation by precisely guiding the elevator car along the T-shaped steel rails that run the entire height of the hoistway. Unlike traditional roller guides, the slide guide shoe operates on a simple but highly effective principle of gliding contact, making it a cornerstone of comfort and reliability.

Constructed from a durable polymer composite material, such as polyurethane or a specialized nylon, the guide shoe features a "U" or "C" channel shape that snugly embraces the web of the guide rail. This design allows it to absorb minor misalignments and imperfections in the rail while maintaining constant contact. The material is specifically chosen for its low coefficient of friction, high wear resistance, and inherent lubricity, which are essential for minimizing operational noise—a key reason why slide guide shoes are predominantly used in low to mid-speed elevator applications, typically up to speeds of 1.0 m/s (200 ft/min) or 1.75 m/s (350 ft/min) for modern composites.

The advantages of the slide speed guide shoe are numerous. Primarily, they provide an exceptionally quiet and jerk-free ride quality, as the soft contact dampens vibrations and eliminates the clicking sound associated with roller guides. They require minimal maintenance, as there are no bearings to lubricate or seize. Their simple design is also cost-effective to manufacture and replace. However, their sliding nature creates more friction than roller guides, making them less efficient for high-speed applications where energy consumption becomes a significant concern. Over time, the shoes are subject to wear and must be periodically inspected and replaced to maintain optimal performance and safety clearance.

Type	SN-DX-H17
Name	Slide speed guide shoe
Rated Speed	≤1.75m/s
Width of Guide Rails	10mm/16mm
Application	for CW

Type	SN-DX-H20
Name	Slide speed guide shoe
Rated Speed	≤2.5m/s
Width of Guide Rails	16mm
Allowable gross mass	≤1500kg
Pressure on the front surface of guide rail	1450N
Pressure on the side surface of guide rail	850N