Adjustment Weights (if applicable): Mass Range 0.1-50 kg

Component Specifications

Definition

Adjustment weights are precision-engineered components designed for counterweight systems that allow fine-tuning of mass distribution to achieve optimal balance in rotating machinery. These weights enable dynamic adjustment of counterweight mass without requiring complete system disassembly, typically through modular addition/removal or position adjustment along mounting rails. They are critical for compensating for manufacturing tolerances, wear over time, or changes in operational parameters.

Working Principle

Adjustment weights operate on the principle of mass moment adjustment, where adding or removing mass at specific radial positions alters the system's center of gravity and rotational balance. By precisely controlling mass distribution relative to the rotation axis, they counteract unbalanced forces that would otherwise cause vibration, reduce efficiency, and accelerate component wear. The adjustment mechanism allows incremental mass changes (typically in standardized increments) to achieve specified balance tolerances.

Materials

High-density materials: Cast iron (ASTM A48), ductile iron (ASTM A536), steel (AISI 1045/4140), tungsten alloys (for space-constrained applications), or lead-free composites. Surface treatments: Zinc plating, powder coating, or phosphate coating for corrosion resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Density	7.2-18.5 g/cm³ depending on material
Mass Range	0.1-50 kg
Mounting Type	Bolted, slotted rail, or magnetic attachment
Mass Increment	Standardized (e.g., 0.5kg, 1kg, 5kg)
Temperature Range	-40°C to 150°C
Corrosion Resistance	Salt spray test >500 hours

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 1940-1, ISO 21940-11, DIN ISO 10816, DIN 45665

Parent Products

This component is used in the following industrial products

Counterweight System

A mechanical system that balances and stabilizes heavy machinery by offsetting weight distribution.

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Engineering Analysis

Risks & Mitigation

Improper installation causing imbalance
Corrosion leading to mass change
Loosening during operation
Material fatigue under cyclic loading

FMEA Triads

Trigger: Incorrect mass calculation or installation error
Failure: Excessive vibration leading to bearing failure
Mitigation: Use calibrated weighing equipment and follow torque specifications for mounting bolts

Trigger: Corrosion in humid environments
Failure: Mass change affecting balance accuracy
Mitigation: Apply appropriate protective coatings and conduct regular inspections

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±1% of specified mass, ±0.5mm dimensional tolerance

Test Method

Mass verification via calibrated scales, balance testing per ISO 1940-1, corrosion resistance per ASTM B117

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 Adjustment Weights (if applicable)

Manufacturer profiles associated with Adjustment Weights (if applicable).

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

How do adjustment weights differ from fixed counterweights?

Adjustment weights are designed for fine-tuning and field adjustment, while fixed counterweights are permanently set during manufacturing. Adjustment weights allow dynamic balancing without replacing entire counterweight assemblies.

What maintenance do adjustment weights require?

Regular inspection for corrosion, verification of secure mounting, and periodic re-balancing checks. Lubrication of adjustment mechanisms if applicable, and replacement if mass loss exceeds 2% due to wear.

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.

Adjustment Weights (if applicable)