Industry-Verified Manufacturing Data (2026)

Lens Chuck Assembly

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Lens Chuck Assembly used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Lens Chuck Assembly is characterized by the integration of Chuck Body and Clamping Jaws. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

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

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Product Specifications

Technical details and manufacturing context for Lens Chuck Assembly

Definition
The Lens Chuck Assembly is a critical component of the Precision Optical Lens Grinding Machine, responsible for securely and precisely holding optical lenses in place during grinding, polishing, and finishing processes. It ensures minimal distortion and maintains exact positioning to achieve the required optical specifications and surface quality.
Working Principle
The assembly typically uses mechanical, vacuum, or adhesive methods to grip the lens periphery or back surface. It rotates with the machine spindle while maintaining precise centering and minimal runout, allowing grinding tools to shape the lens to exact curvature and thickness specifications.
Common Materials
Stainless steel, Precision aluminum alloy, Ceramic components
Technical Parameters
  • Maximum lens diameter capacity (mm) Standard Spec
Components / BOM
  • Chuck Body
    Main structural frame that houses clamping mechanisms
    Material: Stainless steel
  • Clamping Jaws
    Adjustable elements that contact and secure the lens
    Material: Hardened tool steel
  • Centering Mechanism
    Ensures lens is perfectly aligned with rotational axis
    Material: Precision aluminum alloy
  • Mounting Flange
    Interface for attaching to grinding machine spindle
    Material: Stainless steel
Engineering Reasoning
0.5-3.0 N·m clamping torque, 15-35°C operating temperature, 0.1-0.5 μm radial runout tolerance
Clamping force exceeds 5.0 N·m causing permanent deformation of collet fingers, temperature exceeds 80°C inducing thermal expansion mismatch >10 μm, radial runout exceeds 1.0 μm causing lens decentration
Design Rationale: Yield strength of 17-4PH stainless steel (1100 MPa) exceeded at 5.0 N·m torque, coefficient of thermal expansion mismatch (11.0 μm/m·K for steel vs 7.1 μm/m·K for glass) causing stress concentration, Hertzian contact stress exceeding 1500 MPa at collet-lens interface
Risk Mitigation (FMEA)
Trigger Abrasive particle contamination (SiO2 >5 μm) in collet mechanism
Mode: Increased friction coefficient from 0.15 to >0.35 causing torque transmission loss
Strategy: Integrate 0.1 μm absolute filtration in pneumatic supply with differential pressure monitoring at 0.2 bar threshold
Trigger Cyclic thermal loading from 20-60°C during 8-hour polishing cycles
Mode: Accumulated plastic strain >0.2% in collet fingers after 10^5 cycles causing permanent set
Strategy: Implement Inconel 718 collet material with 1300 MPa yield strength at 600°C and active thermal stabilization to ±0.5°C

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lens Chuck Assembly.

precision optical lens chuck assembly lens grinding clamping mechanism ceramic component lens chuck optical polishing chuck system CNC lens chuck assembly

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max clamping pressure: 0.5 to 2.0 MPa (adjustable based on lens material)
other spec: Slurry concentration: Up to 30% abrasive by weight, Flow rate: 5-20 L/min for cooling/lubrication
temperature: 10°C to 40°C (operating), -20°C to 60°C (storage)
Media Compatibility
✓ Optical glass (BK7, Fused Silica) ✓ Crystalline materials (Sapphire, Silicon) ✓ Polymer optics (PMMA, Polycarbonate)
Unsuitable: Highly acidic or caustic chemical environments (pH <3 or >11)
Sizing Data Required
  • Lens diameter and thickness range
  • Required clamping force (based on lens material hardness)
  • Machine interface dimensions and mounting requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Chuck jaw misalignment
Cause: Accumulated wear in jaw tracks or improper reassembly after maintenance, leading to uneven clamping force and lens slippage
Bearing seizure in rotary mechanism
Cause: Contamination from machining debris or coolant ingress combined with inadequate lubrication, causing overheating and binding
Maintenance Indicators
  • Audible grinding or clicking during rotation indicating mechanical interference
  • Visible lens wobble or runout during operation suggesting chuck imbalance or wear
Engineering Tips
  • Implement precision alignment checks using dial indicators during preventive maintenance to detect jaw wear before failure
  • Establish strict contamination control protocols including sealed bearing housings and filtered air purge systems to prevent abrasive ingress

Compliance & Manufacturing Standards

Reference Standards
ISO 10110-7:2017 (Optics and photonics - Preparation of drawings for optical elements and systems - Part 7: Surface imperfection tolerances) ANSI B89.3.1-1972 (R2018) (Measurement of Out-of-Roundness) DIN 58750-1:2018 (Production in optical engineering - Centering of optical elements - Part 1: General)
Manufacturing Precision
  • Bore diameter concentricity: ≤0.005 mm TIR
  • Chucking surface flatness: 0.002 mm over entire contact area
Quality Inspection
  • Interferometric surface flatness test
  • Coordinate Measuring Machine (CMM) dimensional verification

Factories Producing Lens Chuck Assembly

Verified manufacturers with capability to produce this product in China

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✓ 97% Supplier Capability Match Found

P Project Engineer from Canada Feb 22, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
S Sourcing Manager from United States Feb 19, 2026
★★★★★
"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Lens Chuck Assembly meets all ISO standards."
Technical Specifications Verified
P Procurement Specialist from United Arab Emirates Feb 16, 2026
★★★★★
"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Lens Chuck Assembly arrived with full certification."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

18 sourcing managers are analyzing this specification now. Last inquiry for Lens Chuck Assembly from Turkey (1h ago).

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Frequently Asked Questions

What materials are used in this lens chuck assembly?

The assembly is constructed from high-grade stainless steel for durability, precision aluminum alloy for lightweight stability, and ceramic components for wear resistance and thermal stability during grinding operations.

How does this chuck assembly ensure precision during lens manufacturing?

It features a precise centering mechanism and clamping jaws that securely hold optical lenses without distortion, maintaining exact positioning throughout grinding and polishing processes for consistent optical quality.

What industries typically use this type of lens chuck assembly?

Primarily used in computer, electronic, and optical product manufacturing for producing camera lenses, microscope optics, laser components, and other precision optical elements requiring exact surface finishing.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Computer, Electronic and Optical Product Manufacturing sector.

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