INDUSTRY COMPONENT

Sheave body

Sheave body is the central rotating component of a pulley system that transmits mechanical power through belts or ropes.

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Component Specifications

Definition
The sheave body is the core structural element of a sheave (pulley) that provides the grooved surface for belt or rope engagement. It rotates on a shaft or bearing assembly to transfer torque and motion in mechanical drive systems, converting rotational energy into linear force transmission with minimal friction losses.
Working Principle
The sheave body operates on the principle of rotational mechanics and friction-based power transmission. As it rotates, the grooved surface engages with belts or ropes, creating traction that transfers torque from the driving component to driven components. The body's geometry determines the contact area and pressure distribution, optimizing power transfer efficiency while minimizing wear.
Materials
Typically manufactured from cast iron (ASTM A48), ductile iron (ASTM A536), forged steel (AISI 1045), or aluminum alloys (6061-T6). High-performance applications may use engineered polymers or composite materials with specific hardness ratings (HB 180-220 for metals).
Technical Parameters
  • Bore Types Taper-lock, QD, Finished bore
  • Groove Types V-groove, U-groove, Flat
  • Speed Rating Up to 3000 RPM
  • Balance Grade G6.3 per ISO 1940
  • Diameter Range 50-2000 mm
  • Weight Capacity Up to 5000 kg
Standards
ISO 4183, DIN 2211, ANSI/RMA IP-20

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Sheave body.

sheave body pulley component power transmission grooved pulley mechanical drive belt pulley rope sheave industrial pulley Sheave body in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Sheave (Pulley)

A grooved wheel used to guide and support wire rope or cable in lifting and material handling systems.

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Engineering Analysis

Risks & Mitigation
  • Groove wear leading to belt slippage
  • Fatigue cracking under cyclic loads
  • Imbalance causing vibration
  • Corrosion in harsh environments
  • Bearing failure due to improper lubrication
FMEA Triads
Trigger: Excessive belt tension
Failure: Groove deformation and accelerated wear
Mitigation: Implement proper tensioning procedures and use tension gauges
Trigger: Material fatigue from cyclic loading
Failure: Crack propagation and catastrophic failure
Mitigation: Regular non-destructive testing and replacement at recommended intervals
Trigger: Misalignment with other drive components
Failure: Uneven wear and reduced efficiency
Mitigation: Precision alignment during installation and periodic checks

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm on bore diameter, ±0.05 mm on groove profile, concentricity within 0.08 mm TIR
Test Method
Dimensional verification per ISO 2768-m, hardness testing per ASTM E10, dynamic balance testing per ISO 1940-1, non-destructive testing for defects

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between a sheave body and a pulley?

The sheave body refers specifically to the grooved rotating component, while a pulley includes the complete assembly with bearings, shaft, and mounting hardware.

How do I select the correct sheave body material?

Material selection depends on load requirements, operating environment, and speed. Cast iron offers good wear resistance for general applications, while steel provides higher strength for heavy loads, and aluminum reduces weight for high-speed operations.

What maintenance does a sheave body require?

Regular inspection for groove wear, crack detection, lubrication of bearing surfaces, and alignment checks to prevent uneven belt wear and vibration.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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