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bending problems
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bending problems

New Member Customer
Joined: 2 years ago
Posts: 1
Topic starter  

can anybody tell me why my 1.75 tube is flattening on top doesn't do it with my 1.5 die 

Member Admin
Joined: 8 years ago
Posts: 3

Bending performance is all about ratios (wall ratio and D ratio). The larger diameter (if on the same radius and with the same wall thickness) will have much worse ratios. You can read more about die ratios here:

And you can diagnose bend quality issues (and learn how to measure it) here: