How to Read Tonnage Chart

The chart can be useful when the material thickness and iR (product inner radius) are known.

1. Required tonnage to bend 1mm long material ( F )
2. Die's V width ( V-opening ) mm ( V )
3. Minimum flange length to bend mm (b)

Tonnage Chart

Bending Technical Guide

• Allowable Tonnage
• Tool Types
• Sectionalized Tool Size
• Applicable Tool by GRIP Type
• Bending Type & Die V Selection
• How to Use and Select Tools (1) R-Bend
• How to Use and Select Tools (2) Acute & Hemming
• Tool Selection Guide Table
• How to Read Tonnage Chart SPCC / Stainless Steel