Clamping Jaws / Collet: Grip Range 1-100 mm diameter

Q: 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.

Q: 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.

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

Parameter	Typical range	Notes & selection driver
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

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

Standards

ISO 10110, ISO 9022, DIN 3140, DIN 58750

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.

View Product Details

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

Typical Suppliers & Equivalents

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

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

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Manufacturers of Clamping Jaws / Collet

Manufacturer profiles associated with Clamping Jaws / Collet.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

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