Tool Shank: Maximum Load Capacity 500-5000 N

Q: What is the primary function of a tool shank in bonding equipment?

The tool shank ensures precise alignment and secure connection between the bonding tool and machine spindle, enabling accurate force transmission and maintaining operational stability.

Q: How do I select the correct tool shank for my bonding machine?

Consider machine spindle type (HSK/BT/CAT), tool weight/length, operational forces, temperature requirements, and compatibility with existing tooling systems. Consult machine specifications and ISO/DIN standards.

Q: What maintenance does a tool shank require?

Regular cleaning of taper surfaces, inspection for wear/damage, lubrication of retention mechanisms (if applicable), and verification of dimensional accuracy using precision gauges.

Component Specifications

Definition

A tool shank is a critical mechanical component in bonding equipment that serves as the interface between the bonding tool (such as a welding electrode or ultrasonic horn) and the machine's spindle or actuator. It provides rigid mounting, accurate positioning, and efficient power transmission while maintaining thermal and mechanical stability during operation.

Working Principle

The tool shank operates by providing a standardized mechanical interface that ensures concentric alignment between the bonding tool and machine spindle. It transmits axial force, rotational torque (if applicable), and sometimes electrical current or ultrasonic vibrations from the machine to the working tool while maintaining precise dimensional stability under operational loads.

Materials

Typically manufactured from high-strength alloy steels (AISI 4140, 4340), tool steels (D2, H13), or stainless steels (17-4PH). Heat treatment to 45-55 HRC for wear resistance. Some applications use carbide-tipped or ceramic-coated variants for extreme conditions.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Shank Type	HSK, BT, CAT, or custom
Taper Angle	7:24 or 1:10
Concentricity	<0.005 mm TIR
Diameter Range	10-50 mm
Surface Finish	Ra 0.4-0.8 μm
Length Tolerance	±0.01 mm
Maximum Load Capacity	500-5000 N

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 7388, DIN 69893, ISO 12164

Parent Products

This component is used in the following industrial products

Bonding Tool

A precision component in automated die attach machines that physically applies force and/or energy to create permanent bonds between semiconductor dies and substrates.

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Engineering Analysis

Risks & Mitigation

Misalignment causing poor bond quality
Fatigue failure under cyclic loading
Thermal expansion affecting precision
Contamination on mating surfaces
Incompatible shank-tool interface

FMEA Triads

Trigger: Improper installation or contamination
Failure: Reduced gripping force and tool slippage
Mitigation: Implement cleaning procedures and torque-controlled installation

Trigger: Material fatigue from cyclic loading
Failure: Crack propagation and catastrophic failure
Mitigation: Regular inspection and replacement per maintenance schedule

Trigger: Thermal mismatch between shank and tool
Failure: Dimensional instability and alignment loss
Mitigation: Use materials with compatible thermal expansion coefficients

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 2768-m, surface finish per ISO 1302

Test Method

Dimensional verification with CMM, concentricity testing with dial indicators, load testing with force gauges

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

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Manufacturers of Tool Shank

Manufacturer profiles associated with Tool Shank.

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Frequently Asked Questions

What is the primary function of a tool shank in bonding equipment?