INDUSTRY COMPONENT

Shank

A precision-machined shank that connects punch tools to press machines for metal stamping operations.

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Component Specifications

Definition
The shank is a critical cylindrical component in punch tool assemblies that provides the mechanical interface between the punch tool and the press machine ram. It transmits force from the press to the punch tip while maintaining precise alignment and concentricity during high-speed stamping operations. Engineered to withstand cyclic loading and prevent deflection, it ensures consistent part quality in metal forming applications.
Working Principle
The shank functions as a force transmission element that converts the vertical motion of the press ram into precise punching action. It maintains rigid connection through interference fit or clamping mechanisms while allowing for quick tool changes. The precision-ground surface ensures minimal clearance with the press holder to prevent lateral movement and vibration during operation.
Materials
Typically manufactured from high-grade alloy steels such as AISI 4140, D2, or S7 tool steel, heat-treated to HRC 45-52 for optimal strength and wear resistance. Surface treatments may include nitriding or chrome plating for enhanced durability.
Technical Parameters
  • Hardness HRC 48-52
  • Length Range 50-200 mm
  • Concentricity 0.005 mm TIR
  • Surface Finish Ra 0.4 μm max
  • Weight Capacity Up to 5000 kg
  • Diameter Tolerance ±0.002 mm
Standards
ISO 8020, DIN 9861, JIS B 5012

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Shank.

punch shank tool holder press tool component metal stamping shank punch tool interface precision shank DIN shank ISO shank Shank Shank in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Punch Tool

A precision tool that creates holes or shapes in materials through hydraulic force.

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Ripper

A heavy-duty attachment mounted on the rear of a bulldozer designed to break up and loosen compacted soil, rock, or pavement.

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Engineering Analysis

Risks & Mitigation
  • Fatigue failure from cyclic loading
  • Wear-induced dimensional inaccuracy
  • Improper installation causing misalignment
  • Corrosion in humid environments
FMEA Triads
Trigger: Excessive clearance between shank and holder
Failure: Reduced punching accuracy and increased part rejection rate
Mitigation: Implement regular dimensional checks and use precision gauges for installation verification
Trigger: Material fatigue from high-cycle operations
Failure: Catastrophic fracture during operation
Mitigation: Apply surface treatments and establish preventive replacement schedules based on cycle counts

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 2768-mK, dimensional tolerances per ISO 286
Test Method
CMM measurement for dimensional accuracy, surface roughness testing per ISO 4287, hardness testing per ISO 6508

Buyer Feedback

★★★★☆ 4.6 / 5.0 (27 reviews)

"Found 33+ suppliers for Shank on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Shank is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Shank so far."

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Frequently Asked Questions

What is the difference between ISO and DIN shank standards?

ISO shanks typically have metric dimensions with specific taper angles, while DIN shanks follow German standards with different tolerance classes. The key difference lies in dimensional specifications and mounting interfaces.

How often should punch shanks be inspected for wear?

Shanks should be visually inspected daily for surface damage and measured for dimensional accuracy every 500,000 cycles or monthly, whichever comes first, in high-volume production environments.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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