Counterweight Frame: Weight Capacity 500-5000 kg

Component Specifications

Definition

A counterweight frame is a rigid structural assembly designed to securely mount and position counterweights within industrial machinery, particularly in the upper structure or house of equipment like cranes, presses, or injection molding machines. It distributes load forces, maintains balance during dynamic operations, and prevents excessive vibration or tipping, thereby enhancing machine safety, precision, and longevity.

Working Principle

The counterweight frame operates on the principle of static and dynamic balance. It provides a stable mounting platform for counterweights, which offset the weight of moving components (e.g., booms, arms) to reduce net torque and inertial forces. This minimizes stress on motors and structural elements, ensuring smooth operation and preventing mechanical failure due to imbalance.

Materials

Typically constructed from high-strength steel (e.g., ASTM A36 or A572 Grade 50) for durability and load-bearing capacity. May include welded or bolted assemblies with corrosion-resistant coatings (e.g., galvanized or powder-coated) for harsh environments.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Dimensions	Customizable per machine design
Mounting Type	Bolted or welded to machine base
Weight Capacity	500-5000 kg
Load Distribution	Uniform across frame structure

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 12100, DIN 15018

Parent Products

This component is used in the following industrial products

House (Upper Structure)

The rotating upper platform of a dragline excavator that houses the machinery and operator's cab.

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Engineering Analysis

Risks & Mitigation

Structural fatigue from cyclic loading
Improper installation leading to imbalance
Corrosion in humid or chemical environments

FMEA Triads

Trigger: Material fatigue due to repeated stress cycles
Failure: Frame cracking or deformation
Mitigation: Regular inspections and use of high-strength, fatigue-resistant materials

Trigger: Incorrect counterweight alignment
Failure: Machine instability or tipping
Mitigation: Precise calibration during installation and adherence to design specifications

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±2 mm for dimensional accuracy, per ISO 2768-m

Test Method

Load testing to 150% of rated capacity and non-destructive testing (e.g., ultrasonic) for weld integrity

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 Counterweight Frame

Manufacturer profiles associated with Counterweight Frame.

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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

What is the primary function of a counterweight frame?

To securely support and position counterweights, balancing dynamic forces in machinery to ensure operational stability and safety.

How does a counterweight frame improve machine performance?

By reducing vibration and stress on components, it enhances precision, extends equipment life, and minimizes energy consumption.

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.

Counterweight Frame