Editorial Technical Reference

Clamping Mechanism (Jaws/Chuck)

This page explains how Clamping Mechanism (Jaws/Chuck) is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

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. 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. The clamping mechanism is designed for use in computer, electronic, and optical product manufacturing, specifically within automated lens mounting systems. It is a component-level part, not a standalone machine, and is intended for integration into larger fixtures or robotic cells. The mechanism is available in configurations using hardened tool steel or aluminum alloy, with a clamping force range of 50–200 N, chuck diameter range of 10–50 mm, positioning repeatability of ±0.01 mm, operating pressure of 0.4–0.6 MPa, operating temperature range of 5–50 °C, ingress protection rating of IP54–IP65 (per IEC 60529), material grade 304 stainless steel (per ASTM A276), weight range of 0.5–2.0 kg, supply voltage of 24 V DC ±10%, and a cycle life of 1,000,000 cycles before maintenance is required. These parameters are directory reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The clamping mechanism is not a certified product; any standards listed are for procurement and verification purposes only. The mechanism's performance is influenced by the selection of actuators, control systems, and the properties of the lenses being handled. Proper installation, calibration, and maintenance are essential to achieve the stated repeatability and to avoid damage to lenses. Failure to maintain the mechanism within specified operating conditions may lead to reduced gripping force, misalignment, or lens damage. Regular inspection of jaws, chuck surfaces, and actuation components is recommended to ensure consistent performance.
Working Principle
The clamping mechanism uses jaws or a chuck to apply controlled mechanical force to the outer edge or mounting surface of a lens. The force is generated by pneumatic, hydraulic, or servo-electric actuators, which allow for adjustable clamping pressure. This pressure is set to hold the lens securely without deformation or scratches, accommodating different lens sizes and materials. The mechanism ensures precise positioning and repeatable alignment during automated mounting, with a repeatability of ±0.01 mm. The operating pressure range of 0.4–0.6 MPa is required to achieve sufficient force; below 0.4 MPa, the force is insufficient. The mechanism operates within a temperature range of 5–50 °C, and its ingress protection rating of IP54–IP65 protects against dust and water spray. The clamping force range of 50–200 N is necessary to hold lenses without deformation. The chuck diameter range of 10–50 mm matches typical lens diameters. The mechanism's weight of 0.5–2.0 kg affects the dynamic response of the robot arm. The supply voltage of 24 V DC ±10% is for solenoid or sensor operation. The cycle life of 1,000,000 cycles indicates the minimum operations before maintenance is required.
Common Materials
Hardened Tool Steel, Aluminum Alloy
Technical Parameters
ParameterTypical rangeNotes & selection driver
Clamping Force50–200 NRequired to hold lens without deformation
Chuck Diameter10–50 mmMatches lens diameter range
Positioning Repeatability±0.01 mmEnsures consistent mounting alignment
Operating Pressure0.4–0.6 MPaBelow 0.4 MPa insufficient force
Operating Temperature5–50 °COutside range may affect elastomers
Ingress ProtectionIP54–IP65Protects against dust and water sprayIEC 60529
Material304Stainless steel for corrosion resistanceASTM A276
Weight0.5–2.0 kgAffects dynamic response of robot arm
Supply Voltage24 ±10% V DCFor solenoid or sensor operation
Cycle Life1,000,000 cyclesMinimum operations before maintenance

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Jaw Set Part
    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 Part
    Interface plate that connects the clamping mechanism to the fixture frame.
    Material: Aluminum Alloy

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

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

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable 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

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: +/-0.01mm
  • Parallelism of clamping surfaces: 0.02mm
Quality Inspection
  • Hardness test (Rockwell C scale)
  • Runout test (radial and axial)

Manufacturers of Clamping Mechanism (Jaws/Chuck)

Manufacturer profiles associated with Clamping Mechanism (Jaws/Chuck).

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Frequently Asked Questions

What is the clamping force range of this mechanism?

The clamping force range is 50–200 N, as specified in the directory reference. This range is required to hold lenses without deformation. However, the actual force needed depends on the lens material and geometry, so you must verify the appropriate setting for your specific application with the manufacturer.

What is the positioning repeatability?

The positioning repeatability is ±0.01 mm, which ensures consistent mounting alignment. This value is a reference and should be confirmed for the specific model and installation conditions. Achieving this repeatability requires proper calibration and maintenance of the mechanism.

What operating pressure is required?

The operating pressure range is 0.4–0.6 MPa. Below 0.4 MPa, the force may be insufficient to hold the lens securely. The exact pressure setting depends on the actuator and the required clamping force, so consult the manufacturer for guidance.

What is the cycle life of the mechanism?

The cycle life is 1,000,000 cycles, which is the minimum number of operations before maintenance is recommended. This is a reference value; actual lifespan may vary based on operating conditions, maintenance practices, and the specific model. Regular inspection is advised to ensure reliable performance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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