Technology to Improve with the Cracking of Ultra High ...

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Technology to Improve with the Cracking of Ultra High-Tensile Strength Steel Sheet by Stretch Flanging: Double-Punching Technology 1. Under Development 3. Commercialized 2. Development Completed Effect progress Points Improving Stretch Flanging Flangibility of Arms and Frames Strengthening and weight reduction of parts by adopting ultra high-tensile strength steel sheets Stretch Flanging is Improved by Reducing the Work Hardening of the Sheared Edge Sheet Parts have many Stretch Flanging area Sheet Parts have many Stretch Flanging area

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Technology to Improve with the Cracking ofUltra High-Tensile Strength Steel Sheet

by Stretch Flanging: Double-Punching Technology

1. Under Development 3. Commercialized2. Development Completed

Effect

progress

Points

Improving Stretch Flanging Flangibility of Arms and Frames ・Strengthening and weight reduction of parts by adopting ultra high-tensile strength steel sheets

Stretch Flanging is Improved by Reducing the Work Hardening of the Sheared Edge

Sheet Parts havemany Stretch Flanging areaSheet Parts havemany Stretch Flanging area