INDUSTRY COMPONENT

Bending Die

Precision tool for shaping metal sheets in bending operations

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Component Specifications

Definition
A bending die is a specialized tool component within a bending tool assembly, designed to create precise angular bends in sheet metal or plate materials through controlled deformation. It works in conjunction with a punch to apply force at specific points, forming materials into desired shapes with accurate angles and radii while maintaining material integrity and dimensional consistency.
Working Principle
The bending die operates on the principle of plastic deformation, where a punch applies downward force on the workpiece against the stationary die. The material undergoes controlled bending around the die's radius, with the die's geometry determining the final bend angle, radius, and shape. The process involves precise alignment, force application, and material flow control to achieve consistent results without cracking or springback issues.
Materials
Tool steel (D2, A2, O1), carbide inserts, hardened to 58-62 HRC for wear resistance; sometimes chrome-plated for corrosion protection
Technical Parameters
  • Angle 30°, 45°, 90° standard
  • Length 835mm standard, custom up to 6000mm
  • Radius 0.5mm to 10mm
  • Tonnage Compatible with press brake capacity
  • V-opening Standard sizes: 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 32mm
Standards
ISO 9001:2015, DIN 8586, ISO 2768-mK

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Bending Die.

bending die press brake tooling metal forming die V-die bending tool sheet metal die precision bending industrial tooling Bending Die in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Bending Tool Assembly

A specialized assembly within a busbar processing unit designed to precisely bend copper or aluminum busbars to required angles and shapes.

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Engineering Analysis

Risks & Mitigation
  • Material springback causing inaccurate angles
  • Edge cracking in brittle materials
  • Tool wear leading to inconsistent bends
  • Misalignment causing asymmetrical parts
  • Overloading beyond tool capacity
FMEA Triads
Trigger: Incorrect V-opening selection
Failure: Material cracking or incomplete bending
Mitigation: Follow material thickness to V-opening ratio guidelines
Trigger: Worn die radius
Failure: Inconsistent bend radius and surface marks
Mitigation: Regular inspection and timely replacement
Trigger: Improper alignment with punch
Failure: Asymmetrical bends and tool damage
Mitigation: Use precision alignment tools and regular calibration

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1° angular tolerance, ±0.05mm radius tolerance
Test Method
Coordinate measuring machine (CMM) verification, go/no-go gauge testing, sample bend validation

Buyer Feedback

★★★★☆ 4.7 / 5.0 (8 reviews)

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

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

"Testing the Bending Die now; the technical reliability results are within 1% of the laboratory datasheet."

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Frequently Asked Questions

What is the difference between a bending die and a bending punch?

The bending die is the stationary bottom tool that supports the material, while the punch is the moving upper tool that applies force. Together they create the bending action.

How do I select the correct V-opening size for a bending die?

V-opening is typically 6-12 times the material thickness. Thinner materials require smaller V-openings, while thicker materials need larger openings to prevent cracking.

What maintenance do bending dies require?

Regular cleaning to remove metal particles, inspection for wear or damage, proper storage to prevent corrosion, and occasional re-sharpening of edges.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Belt Surface Bending Punch