BENDDEDUCTION
Sheet metal: what to take off a part's outside sizes for each bend, for its flat pattern.
Syntax
BENDDEDUCTION(angle,R,K,T)
The arguments are those of BENDALLOWANCE.
Result
A number: twice the outside set-back, tan(angle / 2) × (R + T), less the bend allowance.
Examples
| Expression | Gives |
|---|---|
BENDDEDUCTION(90,2,0.44,2) |
3.476 |
An L bracket with flanges of 50 and 30 (measured outside, to the corner) is 50+30-BENDDEDUCTION(90,R,K,T) long
flat:
FLAT=50+30-BENDDEDUCTION(90,R,K,T)
P10=[FLAT,0]
See also: BENDALLOWANCE.