Industry-Verified Manufacturing Data (2026)

Clamping Mechanism (Jaws/Chuck)

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Clamping Mechanism (Jaws/Chuck) 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 Clamping Mechanism (Jaws/Chuck) is characterized by the integration of Jaw Set and Actuation Mechanism. In industrial production environments, manufacturers listed on CNFX commonly emphasize Hardened Tool Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A mechanical component that securely holds and positions lenses during automated mounting processes.

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Product Specifications

Technical details and manufacturing context for Clamping Mechanism (Jaws/Chuck)

Definition
The clamping mechanism, consisting of jaws or a chuck, is a critical component of the Automated Lens Mounting Fixture. It provides precise, secure, and repeatable gripping of optical lenses during the automated assembly process, ensuring accurate alignment and preventing damage to delicate lens surfaces.
Working Principle
The mechanism operates by applying controlled mechanical force through its jaws or chuck to grip the outer edge or specified mounting surface of a lens. This force is typically generated by pneumatic, hydraulic, or servo-electric actuators, allowing for adjustable clamping pressure to accommodate different lens sizes and materials without causing deformation or scratches.
Common Materials
Hardened Tool Steel, Aluminum Alloy
Technical Parameters
  • Maximum and minimum lens diameter the mechanism can accommodate. (mm) Per Request
Components / BOM
  • Jaw Set
    Direct contact points that apply clamping force to the lens perimeter.
    Material: Hardened Tool Steel
  • Actuation Mechanism
    Pneumatic cylinder or servo motor that opens/closes the jaws.
    Material: Aluminum Alloy, Steel
  • Mounting Base
    Interface plate that connects the clamping mechanism to the fixture frame.
    Material: Aluminum Alloy
Engineering Reasoning
0.5-2.0 N·m clamping torque, 0.01-0.05 mm positional accuracy, 15-35°C operating temperature
Clamping force drops below 0.3 N·m, positional deviation exceeds 0.08 mm, temperature exceeds 45°C
Design Rationale: Material yield strength exceeded at 250 MPa (AISI 304 stainless steel), thermal expansion coefficient mismatch (17.3×10⁻⁶/°C vs 23.0×10⁻⁶/°C), surface wear coefficient exceeding 5×10⁻⁶ mm³/N·m
Risk Mitigation (FMEA)
Trigger Accumulated particulate contamination exceeding 0.1 mg/mm² on jaw surfaces
Mode: Clamping force reduction to 60% nominal value, positional drift of 0.12 mm
Strategy: Integrated air knife system with 0.3 MPa purge pressure, diamond-like carbon coating with 0.15 friction coefficient
Trigger Cyclic loading at 2 Hz frequency exceeding 10⁶ cycles at 1.8 N·m torque
Mode: Fatigue crack initiation at jaw root radius, propagation to critical length of 0.5 mm
Strategy: Shot peening to induce 400 MPa compressive residual stress, radius optimization to 1.5 mm with 0.8 mm fillet

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Clamping Mechanism (Jaws/Chuck).

automated lens mounting clamping mechanism precision chuck for optical component assembly hardened tool steel clamping jaws aluminum alloy lens positioning chuck automated optical manufacturing clamping system

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Automated Lens Mounting Fixture
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 50 bar clamping force
other spec: Lens diameter range: 5-150 mm, Repeatability: ±0.005 mm
temperature: -20°C to 80°C
Media Compatibility
✓ Optical glass lenses ✓ Polycarbonate lenses ✓ CR-39 plastic lenses
Unsuitable: Abrasive slurry environments with >5% particulate concentration
Sizing Data Required
  • Lens diameter and geometry
  • Required clamping force (N)
  • Mounting process cycle time (seconds)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Wear and loss of clamping force
Cause: Abrasive wear from particulate contamination, improper workpiece materials, or inadequate lubrication leading to jaw surface degradation and reduced gripping capability.
Mechanical fatigue or fracture
Cause: Cyclic loading from repeated clamping operations, over-torquing, or material defects causing stress concentrations and eventual crack propagation in jaws or chuck body.
Maintenance Indicators
  • Visible scoring, galling, or uneven wear patterns on jaw surfaces
  • Audible clicking, grinding, or slipping sounds during clamping operations indicating loss of grip or mechanical play
Engineering Tips
  • Implement regular cleaning and lubrication protocols using manufacturer-recommended lubricants to minimize abrasive wear and maintain smooth operation
  • Establish torque-controlled tightening procedures and periodic jaw alignment checks to prevent over-stressing and ensure uniform clamping pressure distribution

Compliance & Manufacturing Standards

Reference Standards
ISO 12164-1:2001 - Tool holders with cylindrical shank - Part 1: Dimensions of cylindrical shanks and bores for tool holders ANSI B5.50-1994 - Machine Tool Spindles - Tool Shanks and Retention Knobs DIN 69893-1:2009 - Tool holders with cylindrical shank - Part 1: Dimensions of cylindrical shanks and bores for tool holders
Manufacturing Precision
  • Bore diameter: +/-0.01mm
  • Parallelism of clamping surfaces: 0.02mm
Quality Inspection
  • Hardness test (Rockwell C scale)
  • Runout test (radial and axial)

Factories Producing Clamping Mechanism (Jaws/Chuck)

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

P Project Engineer from Germany Jan 25, 2026
★★★★★
"Found 55+ suppliers for Clamping Mechanism (Jaws/Chuck) on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
S Sourcing Manager from Brazil Jan 22, 2026
★★★★★
"The technical documentation for this Clamping Mechanism (Jaws/Chuck) is very thorough, especially regarding technical reliability."
Technical Specifications Verified
P Procurement Specialist from Canada Jan 19, 2026
★★★★★
"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Clamping Mechanism (Jaws/Chuck) so far."
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.”

15 sourcing managers are analyzing this specification now. Last inquiry for Clamping Mechanism (Jaws/Chuck) from Brazil (36m ago).

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Frequently Asked Questions

What materials are used in this clamping mechanism for lens mounting?

This clamping mechanism utilizes hardened tool steel for the jaws to ensure durability and precise grip, combined with an aluminum alloy body for lightweight yet robust construction in automated optical manufacturing environments.

How does this clamping mechanism improve automated lens mounting processes?

The mechanism provides secure, repeatable positioning of lenses during automated assembly, reducing misalignment and improving production efficiency in computer, electronic, and optical product manufacturing.

What components are included in the BOM for this clamping mechanism?

The bill of materials includes a jaw set for gripping lenses, an actuation mechanism for precise control, and a mounting base for stable integration into automated assembly systems.

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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