Mounting Ring/Frame: Diameter Tolerance ±0.01 mm

Q: What are the key considerations when selecting a mounting ring for optical filters?

Key considerations include: material compatibility with the filter substrate to prevent differential thermal expansion, dimensional tolerances for precise alignment, surface finish to minimize scattering, mechanical stability under vibration, and compliance with optical standards for wavefront distortion.

Q: How does the mounting ring affect optical performance?

Proper mounting prevents filter tilt (maintaining perpendicularity to optical axis), minimizes stress-induced birefringence, reduces vibration-induced misalignment, and maintains thermal stability. Poor mounting can cause beam deviation, polarization effects, and reduced transmission efficiency.

Q: Can mounting rings be customized for specific optical systems?

Yes, mounting rings are frequently customized for diameter, thickness, mounting interface (threaded, flange, snap-in), material selection, and special features like thermal compensation slots or alignment pins to match specific optical system requirements.

Component Specifications

Definition

A mechanical mounting component designed to securely hold and position optical filters within optical assemblies. It provides precise alignment, vibration resistance, and thermal stability while maintaining optical path integrity. The mounting ring/frame ensures the filter remains perpendicular to the optical axis and prevents displacement during operation.

Working Principle

The mounting ring/frame operates on mechanical retention principles, using clamping force, threaded engagement, or snap-fit mechanisms to secure optical filters. It maintains precise positioning through dimensional tolerances and alignment features, while allowing for thermal expansion compensation and minimizing stress-induced birefringence in the optical element.

Materials

Aluminum alloy (6061-T6, 7075-T6), stainless steel (304, 316), titanium alloy (Grade 5), or engineered polymers (PEEK, Ultem) with appropriate surface treatments (anodizing, passivation, black oxide coating).

Technical Parameters

Parameter	Typical range	Notes & selection driver
Parallelism	<0.005 mm
Surface Finish	Ra 0.8 μm or better
Diameter Tolerance	±0.01 mm
Thread Specification	M25x0.5 or custom
Operating Temperature	-40°C to +120°C
Thermal Expansion Coefficient	Matched to filter substrate

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 10110, ISO 14999, DIN 3140, DIN 58750

Parent Products

This component is used in the following industrial products

Optical Filter

A component that selectively transmits or blocks specific wavelengths of light within an optical sensor system.

View Product Details

Engineering Analysis

Risks & Mitigation

Mechanical stress causing filter fracture
Thermal mismatch leading to optical distortion
Vibration-induced misalignment
Corrosion in harsh environments
Improper installation damaging optical coatings

FMEA Triads

Trigger: Inadequate thermal expansion compensation
Failure: Filter cracking under temperature cycling
Mitigation: Use materials with matched thermal expansion coefficients and incorporate expansion relief features

Trigger: Improper torque during installation
Failure: Stress-induced birefringence affecting polarization
Mitigation: Specify precise torque values and use torque-limiting tools during assembly

Trigger: Vibration in operational environment
Failure: Gradual misalignment affecting optical performance
Mitigation: Implement vibration-damping materials and secure locking mechanisms

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 1101, surface roughness per ISO 4287, dimensional accuracy per ISO 2768-m

Test Method

Coordinate measuring machine (CMM) verification, interferometric flatness testing, thermal cycling validation, vibration testing per MIL-STD-810

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 Ring/Frame

Manufacturer profiles associated with Mounting Ring/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 are the key considerations when selecting a mounting ring for optical filters?