INDUSTRY COMPONENT

Clamping Jaws / Collet

Precision clamping jaws or collets for secure lens positioning in optical manufacturing fixtures

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Component Specifications

Definition
Clamping jaws or collets are precision-engineered components used in lens holding fixtures to securely grip and position optical lenses during machining, polishing, or assembly processes. These components ensure accurate centering, minimal deformation, and repeatable positioning for high-precision optical manufacturing applications.
Working Principle
These components operate on mechanical clamping principles, typically using radial compression (collets) or jaw-based gripping mechanisms. They apply uniform pressure around the lens periphery to secure it without causing stress concentrations or optical distortion, often incorporating self-centering features for precise alignment.
Materials
Typically made from hardened tool steel (AISI D2, A2), stainless steel (17-4PH, 316), or carbide for wear resistance. May include non-marring inserts (urethane, Delrin) for delicate lens surfaces. Surface treatments include nitriding, chrome plating, or TiN coating for durability.
Technical Parameters
  • Grip Range 1-100 mm diameter
  • Clamping Force 10-200 N
  • Surface Finish Ra 0.4 μm or better
  • Runout Tolerance <0.005 mm
  • Temperature Range -20°C to 120°C
Standards
ISO 10110, ISO 9022, DIN 3140, DIN 58750

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Clamping Jaws / Collet.

lens clamping jaws optical collets precision clamping components lens holding fixtures optical manufacturing tools centering collets non-marring clamps Clamping Jaws / Collet Clamping Jaws / Collet 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
  • Lens surface damage from excessive force
  • Decentering due to improper alignment
  • Material fatigue from cyclic loading
  • Contamination from wear particles
  • Thermal expansion mismatch
FMEA Triads
Trigger: Worn clamping surfaces
Failure: Reduced gripping force leading to lens slippage
Mitigation: Regular inspection and replacement of wear components, implement preventive maintenance schedule
Trigger: Improper material selection
Failure: Chemical reaction with lens coatings or substrate
Mitigation: Use compatible materials, conduct material compatibility testing

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.002 mm for centering, ±0.005 mm for concentricity
Test Method
Coordinate measuring machine (CMM) verification, interferometric testing for runout, force measurement with calibrated load cells

Buyer Feedback

★★★★☆ 4.5 / 5.0 (14 reviews)

"Testing the Clamping Jaws / Collet now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Clamping Jaws / Collet meets all ISO standards."

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Frequently Asked Questions

What is the difference between clamping jaws and collets for lens holding?

Clamping jaws typically use multiple discrete contact points and are adjustable for different lens sizes, while collets provide continuous 360-degree contact through radial compression, offering better centering accuracy but with less size flexibility.

How do I prevent lens damage during clamping?

Use non-marring insert materials, control clamping force precisely, ensure proper surface contact distribution, and implement force-limiting mechanisms to prevent over-tightening.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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