INDUSTRY COMPONENT

Mounting flanges

Mounting flanges are precision-engineered components that provide secure attachment points for refrigerator compressors to mounting brackets, ensuring vibration isolation and structural integrity.

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Component Specifications

Definition
Mounting flanges are specialized structural components designed to interface between a refrigerator compressor and its mounting bracket. They serve as critical connection points that transfer operational loads while dampening vibrations through engineered geometry and material properties. These flanges typically feature bolt patterns, alignment features, and vibration-damping surfaces that maintain compressor positioning within specified tolerances throughout thermal cycles and mechanical stress.
Working Principle
Mounting flanges operate on principles of mechanical fastening and vibration isolation. They create a rigid yet dampened connection between the compressor and bracket through: 1) Distributed load transfer across multiple bolt points, 2) Material elasticity that absorbs high-frequency vibrations, 3) Geometric design that prevents resonance amplification, and 4) Surface treatments that minimize fretting corrosion at contact points.
Materials
Cold-rolled steel (CRS) ASTM A366, Aluminum 6061-T6, or powder-coated steel with rubber isolation pads. Typical specifications include: thickness 3-5mm, hardness 70-90 HRB for steel or 60-80 HB for aluminum, corrosion resistance per ASTM B117 salt spray test (500+ hours).
Technical Parameters
ParameterTypical rangeNotes & selection driver
Bolt SizeM6 or M8 standard
Bolt Pattern4-hole rectangular or circular array
Surface FinishPowder coat or zinc plating
Weight Capacity15-25 kg
Flange Thickness3-5 mm
Temperature Range-40°C to +120°C
Vibration Damping≥70% reduction at 60-120 Hz

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 2768-mK, DIN 931, ISO 4014, DIN 6921

Parent Products

This component is used in the following industrial products

Refrigerator Compressor Mounting Bracket

The Refrigerator Compressor Mounting Bracket is a precision-engineered structural component designed to securely mount and isolate compressor units within domestic refrigeration appliances.

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Engineering Analysis

Risks & Mitigation
  • Stress corrosion cracking in aluminum alloys
  • Bolt loosening due to vibration
  • Galvanic corrosion in dissimilar metal contacts
  • Fatigue failure at bolt holes
FMEA Triads
Trigger: Insufficient bolt torque during installation
Failure: Compressor detachment during operation
Mitigation: Implement torque verification procedures and use thread-locking compounds
Trigger: Corrosion at steel-aluminum interfaces
Failure: Reduced structural integrity and seizure
Mitigation: Apply dielectric coatings or use compatible materials with isolation barriers
Trigger: Resonant frequency matching between compressor and bracket
Failure: Amplified vibrations leading to premature component failure
Mitigation: Design flanges with tuned mass dampers or variable stiffness features

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 2768-mK: positional ±0.2mm, flatness 0.1mm, parallelism 0.15mm. Surface roughness Ra ≤ 3.2μm.
Test Method
Vibration testing per ISO 10816-3, torque testing per DIN 946, salt spray testing per ASTM B117, fatigue testing with 1×10^7 cycles at 2× operational load.

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
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Mounting flanges

Manufacturer profiles associated with Mounting flanges.

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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 are the critical tolerances for mounting flange installation?

Critical tolerances include: bolt hole positional tolerance ±0.2mm, flatness tolerance 0.1mm across surface, parallelism tolerance 0.15mm relative to mounting surface. These ensure proper compressor alignment and prevent premature bearing wear.

How do mounting flanges reduce compressor vibration transmission?

Through three mechanisms: 1) Material damping properties that convert vibrational energy to heat, 2) Geometric design that breaks resonant frequency paths, 3) Interface pads that provide additional isolation. Properly designed flanges can reduce vibration transmission by 70-85%.

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.

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