Press brake. Sheet bending. 90° + custom angles.
Press brake forming. Bending sheet metal to angles. Air bending, bottom bending, three-point bending. Production-friendly sheet metal forming.
Press brake forming
Air: flexible, slightly looser tolerance. Bottom: tighter tolerance, dedicated tooling.
Key principles.
Most flexible
Material doesn't touch die bottom. Different angles same tool.
Tight tolerance
Material touches die bottom. Repeatable, tighter tolerance.
Premium tolerance
Three-point press for tightest angle tolerance.
1× thickness
Internal bend radius equal to material thickness minimum.
±0.5°
Standard bend tolerance ±0.5°. Tighter via post-machining.
Sequence
Sequence multiple bends. Plan for tool clearance.
FAQ
Air: flexible, slightly looser tolerance. Bottom: tighter tolerance, dedicated tooling.
1× material thickness internal. Tighter cracks. Special grades allow tighter.
±0.5° standard. ±0.25° with care. Tighter via post-machining.
Material returns slightly after bending. Compensate by bending past nominal.
Plan sequence for clearance. Each bend constrains following.
Prototype 1-10. Production 100-10K. Equipment per volume.
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