This page explains how Sheave Assembly is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A mechanical assembly of one or more sheaves mounted on a common shaft or frame, designed to guide and support cables or ropes in lifting and hoisting systems.
Technical details and manufacturing context for Sheave Assembly
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Rated Load Capacity | 1–50 t | Maximum working load per sheave assemblyISO 4301-1 |
| Sheave Diameter | 100–2000 mm | Determines rope bending fatigue lifeISO 4301-1 |
| Rope Diameter Range | 6–60 mm | Must match sheave groove profileISO 4309 |
| Groove Angle | 30–60 ° | Affects rope support and wearISO 4301-1 |
| Operating Temperature | -40–85 °C | Outside range may affect bearing lubrication |
| Max Rotation Speed | 100–3000 rpm | Limited by bearing and balance |
| Bearing Type | 6204–6220 | Deep groove ball or roller bearingISO 15 |
| Material Grade | ZG270-500 | Cast steel for high strengthGB/T 11352 |
| Surface Hardness | 40–55 HRC | Enhances wear resistanceISO 18265 |
| Weight | 5–500 kg | Depends on size and material |
| Tolerance of Groove Diameter | ±0.5 mm | Ensures proper rope seatingISO 2768-m |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
Commonly used trade names and technical identifiers for Sheave Assembly.
This component is essential for the following industrial systems and equipment:
| pressure: | Not applicable (mechanical load only) |
| other spec: | Max dynamic load: 50 kN, Max rope speed: 5 m/s, Max rope diameter: 50 mm |
| temperature: | -40°C to 120°C (dependent on bearing lubrication and material) |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
Manufacturer profiles associated with Sheave Assembly.
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A practical evidence checklist for RFQ preparation and supplier evaluation.
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The rated load capacity for a sheave assembly in this directory ranges from 1 to 50 tonnes, as per ISO 4301-1. However, the exact capacity depends on the specific model and application. Always verify the rated load capacity with the legal manufacturer or supplier before use.
Sheave diameter affects rope bending fatigue life. The directory lists a range of 100 to 2000 mm. The correct diameter depends on the rope diameter, the required bending radius, and the load. Consult the manufacturer's guidelines and relevant standards to ensure proper selection.
Common materials include alloy steel and high-strength cast iron. The material grade listed is ZG270-500 (cast steel) per GB/T 11352. Surface hardness is typically 40-55 HRC to enhance wear resistance. Confirm the material and heat treatment with the supplier for your specific needs.
Regular inspection of sheave grooves for wear, checking bearing condition and lubrication, and verifying alignment are essential. Operating temperature and rotation speed should be within specified limits. Any signs of excessive wear, cracking, or unusual noise indicate the need for replacement or repair. Follow the manufacturer's maintenance schedule.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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