INDUSTRY COMPONENT

Holder Body

Holder Body is the main structural component of capillary/wedge tool holders that securely positions and aligns cutting tools in precision machining operations.

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Component Specifications

Definition
The Holder Body is the primary structural element in capillary or wedge tool holder systems, designed to provide rigid support and precise alignment for cutting tools during high-precision machining processes. It features internal channels for coolant delivery, mounting interfaces for tool retention mechanisms, and precision-ground surfaces for accurate tool positioning relative to machine spindle axes.
Working Principle
The Holder Body operates on mechanical clamping principles where internal tapered surfaces or capillary channels create uniform radial pressure to secure cutting tools. When torque is applied to retention screws or wedges, the body's elastic deformation generates precise gripping force that maintains tool concentricity and prevents rotational slippage during machining operations.
Materials
High-strength alloy steel (AISI 4140/4340), case-hardened to 45-50 HRC with surface treatments including nitriding or TiN coating for wear resistance. Alternative materials include hardened tool steel (D2, M2) for specialized applications.
Technical Parameters
  • Shank Type HSK, CAT, BT
  • Maximum RPM 15,000-30,000
  • Clamping Force 2,000-8,000 N
  • Tool Interface Capillary/Wedge clamping
  • Coolant Channels 2-4 internal passages
  • Runout Tolerance < 0.003 mm
  • Maximum Tool Diameter 1-25 mm
  • Operating Temperature -20°C to 150°C
Standards
ISO 7388, DIN 69893, ISO 12164, DIN 69871

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Holder Body.

tool holder body capillary holder wedge clamping system machining component precision tooling industrial engineering Holder Body Holder Body in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Capillary/Wedge Tool Holder

A precision component in semiconductor bonding equipment that securely holds and positions capillary or wedge bonding tools during wire bonding processes.

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Engineering Analysis

Risks & Mitigation
  • Tool slippage during high-torque operations
  • Coolant channel blockage
  • Fatigue cracking in high-cycle applications
  • Thermal expansion affecting precision
  • Corrosion in coolant environments
FMEA Triads
Trigger: Insufficient clamping force due to worn capillary channels
Failure: Tool slippage causing dimensional inaccuracies
Mitigation: Implement regular inspection protocols and replace components showing >5% wear on clamping surfaces
Trigger: Material fatigue from cyclic loading
Failure: Crack propagation leading to catastrophic failure
Mitigation: Use ultrasonic testing every 500 operating hours and enforce replacement after 10^7 cycles
Trigger: Coolant contamination causing corrosion
Failure: Reduced structural integrity and precision loss
Mitigation: Implement filtration systems and use corrosion-resistant coatings on internal surfaces

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 2768-mK, concentricity within 0.003 mm TIR, surface finish Ra 0.4 μm on critical interfaces
Test Method
Laser interferometry for runout measurement, hydraulic pressure testing for clamping systems, fatigue testing per ISO 12107, material verification per ASTM A370

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of the Holder Body in tool holding systems?

The Holder Body provides structural integrity and precise alignment for cutting tools, ensuring minimal runout and maximum stability during high-speed machining operations.

How does capillary clamping differ from traditional collet systems?

Capillary clamping uses hydraulic pressure through precisely engineered channels to create uniform radial force, offering better concentricity and higher gripping force compared to mechanical collet systems.

What maintenance is required for Holder Body components?

Regular inspection for wear on clamping surfaces, cleaning of coolant channels, verification of runout tolerance, and periodic re-torquing of retention components according to manufacturer specifications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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