INDUSTRY COMPONENT

Fixture Body / Base

Primary structural component of lens holding fixtures providing stability and alignment for optical manufacturing processes.

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Component Specifications

Definition
The fixture body/base serves as the foundational structural element in lens holding fixtures, engineered to maintain precise dimensional stability, vibration damping, and thermal consistency during optical component machining, polishing, and inspection operations. It interfaces with positioning mechanisms and clamping systems to ensure sub-micron repeatability in lens alignment.
Working Principle
Provides rigid mechanical support and reference surfaces for lens positioning systems, utilizing kinematic mounting principles to minimize stress-induced deformation while maintaining thermal stability through controlled material expansion coefficients.
Materials
Precision-grade aluminum alloys (e.g., 6061-T6, 7075-T651) or stainless steel (304/316) with stress-relief annealing; surface treatments include hard anodizing (25-50μm) or nickel plating for wear resistance.
Technical Parameters
  • Flatness ≤0.005 mm/100mm
  • Parallelism ≤0.008 mm
  • Weight Capacity 5-50 kg
  • Surface Roughness Ra 0.8μm
  • Mounting Hole Pattern M6/M8 on 25mm grid
  • Thermal Expansion Coefficient 23.6×10⁻⁶/K (Al)
Standards
ISO 10110-7, ISO 2768-mK, DIN 876, ASME Y14.5

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Fixture Body / Base.

optical fixture base lens holding fixture body precision machining fixture alignment fixture component optical manufacturing tooling Fixture Body / Base Fixture Body / Base in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Lens Holding Fixture

A precision mechanical component designed to securely hold and position optical lenses during the polishing process.

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Engineering Analysis

Risks & Mitigation
  • Thermal deformation during continuous operation
  • Vibration-induced alignment drift
  • Surface wear affecting reference planes
  • Corrosion in humid environments
FMEA Triads
Trigger: Inadequate thermal management during high-precision operations
Failure: Dimensional drift exceeding 0.01mm over 4-hour cycle
Mitigation: Implement active temperature control or use low-expansion materials
Trigger: Improper mounting surface preparation
Failure: Reduced clamping force distribution causing lens slippage
Mitigation: Apply specified surface treatments and verify flatness before installation

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ASME Y14.5, flatness ≤0.005mm/100mm, positional tolerance ±0.01mm
Test Method
Coordinate measuring machine (CMM) verification, laser interferometry for flatness, thermal cycling tests per MIL-STD-810

Buyer Feedback

★★★★☆ 4.7 / 5.0 (27 reviews)

"The Fixture Body / Base we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."

"Found 51+ suppliers for Fixture Body / Base on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Fixture Body / Base is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What tolerance standards apply to fixture body flatness?

Typically follows ISO 10110-7 for optical components and ISO 2768-mK for general tolerances, with flatness maintained within 5μm per 100mm.

How does material selection affect thermal stability?

Aluminum alloys provide good thermal conductivity for temperature equalization, while invar alloys may be used for ultra-stable applications requiring minimal thermal expansion.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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