INDUSTRY COMPONENT

Collet / Jaw Set

A precision clamping device used in lens fixtures/chucks to securely hold optical components during machining and assembly processes.

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Component Specifications

Definition
A collet/jaw set is a specialized clamping mechanism designed for lens fixtures or chucks in optical manufacturing equipment. It consists of precision-engineered jaws or collets that apply uniform radial pressure to securely grip optical elements (lenses, prisms, mirrors) without causing surface damage or distortion. These components ensure accurate positioning and stability during critical processes like grinding, polishing, coating, and assembly, maintaining micron-level tolerances required for optical quality.
Working Principle
The collet/jaw set operates on a mechanical clamping principle where tapered jaws or collets are compressed radially inward by an external force (typically via a drawbar, hydraulic, or pneumatic system). This creates uniform circumferential pressure that securely holds the optical component without slippage or deformation. The precision-ground surfaces and controlled elasticity of the jaws ensure repeatable centering and minimal runout during high-speed operations.
Materials
High-strength alloy steel (e.g., AISI 4140, 4340) with hardness 45-50 HRC for durability; Carbide-tipped or ceramic-coated variants for wear resistance; Non-marring materials like polyurethane or Delrin for delicate optical surfaces.
Technical Parameters
  • Grip Force 50-500 N
  • Maximum RPM 8000-15000
  • Clamping Range 1-100 mm diameter
  • Surface Finish Ra 0.4 μm or better
  • Runout Tolerance <0.005 mm TIR
  • Temperature Range -20°C to 120°C
Standards
ISO 10110, ISO 1101, DIN 6388

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Collet / Jaw Set.

optical collet lens chuck jaws precision clamping fixture components optical manufacturing tools collet set jaw assembly Collet / Jaw Set Collet / Jaw Set in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Lens Fixture/Chuck

A precision holding device designed to secure and position optical lenses during automated measurement processes.

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Engineering Analysis

Risks & Mitigation
  • Surface scratching or coating damage
  • Insufficient grip causing slippage
  • Over-clamping leading to lens distortion
  • Thermal expansion affecting precision
  • Wear reducing clamping accuracy over time
FMEA Triads
Trigger: Improper jaw material selection
Failure: Surface damage to optical components
Mitigation: Use non-marring materials; implement material compatibility charts
Trigger: Wear or contamination on clamping surfaces
Failure: Increased runout and positioning errors
Mitigation: Regular inspection and cleaning; scheduled replacement per usage hours
Trigger: Incorrect clamping force application
Failure: Lens distortion or cracking
Mitigation: Implement torque-controlled systems; operator training on force calibration

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.002 mm diameter, <0.005 mm TIR runout
Test Method
ISO 10110-5 for surface defects; DIN 6388 for clamping accuracy; Laser interferometry for runout measurement

Buyer Feedback

★★★★☆ 4.6 / 5.0 (8 reviews)

"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 Collet / Jaw Set meets all ISO standards."

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Collet / Jaw Set arrived with full certification."

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Frequently Asked Questions

What is the difference between collets and jaws in lens fixtures?

Collets are typically single-piece, slotted sleeves that compress uniformly, ideal for cylindrical components. Jaws are segmented components that move independently or together, better for irregular shapes. Both provide precision clamping but differ in mechanism and application flexibility.

How do I select the right collet/jaw set for my optical application?

Consider component diameter range, material compatibility (to prevent scratching), required runout tolerance (<0.01 mm for precision optics), rotational speed, and clamping force. Consult manufacturer specifications for optical-grade certifications.

Can collet/jaw sets be used for both glass and plastic lenses?

Yes, but material selection is critical. Hardened steel jaws work for glass, while non-marring polymer or rubber-coated jaws are recommended for plastic lenses to prevent surface damage. Always verify compatibility with lens coating requirements.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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CMOS Integrated Circuit Collimating Lens Element