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Chuck Body Component – Computer, Electronic and Optical Product Manufacturing

Component Specifications

Definition

A chuck body is the central structural component of a lens chuck assembly used in optical manufacturing equipment. It serves as the mounting platform that securely holds and precisely positions lenses during machining, polishing, or coating processes. The body typically features precisely machined surfaces, mounting interfaces, and alignment features that ensure sub-micron accuracy in optical component production.

Working Principle

The chuck body provides a rigid, thermally stable platform that maintains precise geometric relationships between mounting surfaces. It uses mechanical clamping mechanisms (often vacuum, mechanical, or magnetic) to secure optical components while minimizing distortion. The body's design ensures uniform force distribution and thermal stability to maintain optical alignment during manufacturing processes.

Materials

Typically manufactured from high-grade materials including: 6061-T6 aluminum alloy (for lightweight applications), 304/316 stainless steel (for corrosion resistance), invar (for thermal stability), or ceramic composites (for ultra-high precision applications). Surface treatments may include hard anodizing, nickel plating, or specialized coatings for wear resistance.

Technical Parameters

Parallelism ≤ 0.0005 mm
Diameter Range 50-300 mm
Surface Finish Ra 0.2-0.8 μm
Flatness Tolerance ≤ 0.001 mm
Maximum Load Capacity 5-50 kg
Operating Temperature Range -20°C to +80°C
Thermal Expansion Coefficient ≤ 1.5 × 10^-6 /°C

Standards

ISO 10110, ISO 14999, DIN 3140, DIN 58750

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Chuck Body.

Parent Products

This component is used in the following industrial products

Core Chucking System

A mechanical system designed to securely hold and position a core or mandrel during industrial manufacturing processes.

View Product Details

Lens Chuck Assembly

A precision clamping mechanism that securely holds optical lenses during grinding and polishing operations.

View Product Details

Engineering Analysis

Risks & Mitigation

Thermal deformation affecting alignment
Material fatigue under cyclic loading
Surface contamination affecting optical quality
Mounting stress causing lens distortion
Wear of precision surfaces over time

FMEA Triads

Trigger: Thermal expansion mismatch between chuck body and lens material
Failure: Loss of optical alignment during temperature fluctuations
Mitigation: Use materials with matched thermal expansion coefficients; implement temperature-controlled environments; design with thermal compensation features

Trigger: Improper mounting force distribution
Failure: Lens distortion or stress-induced birefringence
Mitigation: Implement uniform clamping mechanisms; use force-limiting devices; design with multiple contact points for even pressure distribution

Trigger: Surface wear or contamination
Failure: Reduced mounting accuracy and potential damage to optical surfaces
Mitigation: Apply wear-resistant coatings; implement regular cleaning protocols; design with replaceable contact surfaces

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 1101; Surface finish per ISO 1302; Dimensional tolerances per ISO 2768-mK

Test Method

Coordinate measuring machine (CMM) verification; Laser interferometry for flatness; White light interferometry for surface finish; Thermal cycling tests per MIL-STD-810

Buyer Feedback

★★★★☆ 4.5 / 5.0 (32 reviews)

"Found 20+ suppliers for Chuck Body on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Chuck Body is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Chuck Body so far."

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Frequently Asked Questions

What is the primary function of a chuck body in lens manufacturing?

The chuck body serves as the main structural component that provides precise mounting, alignment, and stability for optical components during manufacturing processes like polishing, coating, or inspection.

How does material selection affect chuck body performance?

Material selection directly impacts thermal stability, weight, corrosion resistance, and machining accuracy. Aluminum offers lightweight solutions, stainless steel provides corrosion resistance, while invar and ceramics offer superior thermal stability for high-precision applications.

What are the critical tolerances for a precision chuck body?

Critical tolerances include flatness (typically ≤ 0.001 mm), parallelism (≤ 0.0005 mm), and surface finish (Ra 0.2-0.8 μm) to ensure optical alignment accuracy during manufacturing processes.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Chuck Body