Carriage Boost on Tight CLR Bends: Application Guide
Excessive wall thinning and material necking on the extrados occur when bending thin-wall tube at tight center line radius ratios…
Read MoreBoost Bending on Tight CLR Tube Bends: When to Apply It
An engineering application note on using axial carriage boost to prevent wall thinning and necking on tight center line radius…
Read MoreCollet Marks on Thin-Wall Tube: Root Cause and Check
Surface indentations and slippage scratches from carriage collets on thin-wall tube indicate unbalanced clamp pressure, improper jaw profile, or axis…
Read MoreMandrel Linkage Wear and Clearance in CNC Tube Bending
Analyzing mandrel ball wear, pitch clearance, and link fatigue in rotary draw bending of thin-wall metal tubing.
Read MoreSTEP Import and Cartesian Coordinates in Tube Bending
A technical application note on converting 3D STEP models into reliable YBC bend data and verifying centerline vectors inside ETU…
Read MoreClamp Die Slippage in Rotary Draw Tube Bending
An engineering guide to identifying and preventing clamp die slippage in rotary draw tube bending, focusing on clamping length, pressure,…
Read MorePressure Die Assist and Outside-Wall Tensile Strain
An engineering guide on how pressure die assist reduces extrados tensile strain, prevents outside-wall thinning, and balances forces in rotary…
Read MoreMandrel Position Relative to Tangent Line in Tube Bending
Adjusting mandrel nose position relative to the tangent line prevents flattening and tearing during rotary draw tube bending.
Read MoreWiper Die Clearance and Angle for Inside Radius Wrinkles
A process engineering guide on setting wiper die rake angle and tip clearance to prevent inside-radius wrinkling during rotary draw…
Read MoreWiper Die Alignment and Setback in Tube Bending
Inside-radius wrinkling in rotary draw tube bending often stems from incorrect wiper die positioning. This note details setting rake angle,…
Read MoreMandrel Retraction Timing in Rotary Draw Bending
Profile deformation or surface scoring at the end of a bend usually points to incorrect mandrel retraction timing during the…
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