INDUSTRY COMPONENT

Punch Holders

Precision tooling components that secure punches in rotating turret punch presses for accurate hole punching operations.

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Component Specifications

Definition
Punch holders are specialized clamping devices installed in the rotating turret of CNC punch presses. They precisely position and secure punch tools during metal forming operations, ensuring consistent alignment, depth control, and tool stability during high-speed punching cycles. These components interface between the punch press ram and the punch tool, transmitting force while maintaining tool orientation.
Working Principle
Punch holders operate by mechanically clamping punch tools using hydraulic, pneumatic, or mechanical locking mechanisms. During operation, the rotating turret positions the correct punch holder under the ram. The ram descends, transmitting force through the holder to the punch, which penetrates the workpiece. The holder maintains precise alignment and prevents tool rotation or displacement during impact.
Materials
High-strength alloy steel (AISI 4140/4340), hardened to 45-55 HRC; wear-resistant surfaces with chrome plating or nitriding; corrosion-resistant variants use stainless steel (17-4PH) for specific applications.
Technical Parameters
  • Holder Type Standard/Quick-Change
  • Clamping Force 15-50 kN
  • Weight Capacity 5-25 kg
  • Tool Shank Diameter 20-50 mm
  • Operating Temperature -10°C to 80°C
  • Maximum Punch Diameter 100 mm
  • Height Adjustment Range ±2 mm
Standards
ISO 9001:2015, DIN 55201, ISO 12164-1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Punch Holders.

punch holder turret punch press metal stamping tooling CNC punching tool clamping industrial components precision machining Punch Holders Punch Holders in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Rotating Turret

A rotating component in an industrial rotary tablet press that holds multiple punch and die sets, enabling continuous tablet production through sequential compression stations.

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Engineering Analysis

Risks & Mitigation
  • Tool ejection during operation
  • Misalignment causing poor hole quality
  • Wear leading to dimensional inaccuracy
  • Fatigue failure under cyclic loading
FMEA Triads
Trigger: Insufficient clamping force
Failure: Tool slippage or ejection
Mitigation: Regular torque verification, use of force monitoring systems
Trigger: Wear on clamping surfaces
Failure: Reduced holding precision
Mitigation: Periodic surface inspection, scheduled replacement

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.01 mm concentricity, ±0.02 mm perpendicularity
Test Method
Coordinate measuring machine (CMM) verification, laser alignment testing, functional load testing

Buyer Feedback

★★★★☆ 4.7 / 5.0 (13 reviews)

"Great transparency on the Punch Holders components. Essential for our Machinery and Equipment Manufacturing supply chain."

"The Punch Holders we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 51+ suppliers for Punch Holders on CNFX, but this spec remains the most cost-effective."

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Frequently Asked Questions

What maintenance is required for punch holders?

Regular inspection for wear, cleaning of clamping surfaces, lubrication of adjustment mechanisms, and verification of alignment accuracy every 500 operating hours.

Can punch holders be used with different punch press brands?

While some holders are brand-specific, many follow standardized interfaces (ISO/DIN) allowing cross-compatibility with proper adapter systems.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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