Hot bending plates

Question

Hot bending plates

rubenpezu (Industrial)

(OP)

12 Aug 13 06:21

Dear all,

We have to bend a plate with an angle of 15º (more or less) but our costumer only say "not cold bending is allowed".

We want to know a standard to know at how many degrees, How much area we have to heat etc.

someone can tell me a standard that indicates how you should bend a hot plate? Thanks.

leo5cn (Structural) · Answer 1 · 2013-08-13 15:16:37

If the plate is less than 1/2" thick and the bending angle is no more than 15 deg, cold bending should suffice, but you need a subsequent heat treatment for stress-relief.

rubenpezu (Industrial) · Answer 2 · 2013-08-14 02:16:47

Thanks leo5cn,

We always use cold bending for the plates but with this new client only allow cold bending for plates up to 6 mm thicknes and <90º. And bending radius minimum is 3x thickness. But they don't say nothing about temperature.

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Hot bending plates