Sheave body: Weight Capacity Up to 5000 kg

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

Parameter	Typical range	Notes & selection driver
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

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 4183, DIN 2211, ANSI/RMA IP-20

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

Typical Suppliers & Equivalents

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

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Sheave body

Manufacturer profiles associated with Sheave body.

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The main frame is the primary structural component of a hydraulic press, providing rigidity and stability to withstand high compressive forces during metal forming operations.

Shaft Bearing

Precision component supporting rotating shafts in vibration motors to reduce friction and maintain alignment.

Seal Groove

Precision-machined groove in aluminum bearing housings designed to accommodate sealing elements for fluid containment and contamination prevention.

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.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Sheave body