Sheet Metal Radius Bender

Use this document to choose values that are both manufacturable and meet your needs.

Sheet metal radius bender.

It is most economical to use a single bend radius throughout the design but if necessary you can utilize multiple radii. The axis of rotation center of bender to be inline to bending line. Sheet metal bending brake with radius adjustment. With bottoming the inner radius of the angled sheet depends on the die s radius.

For aircraft and aerospace applications. But for harder materials e g. The bend radius refers to the inside radius. Twist a steel wire ø1 2mm around the pivot and place it at the gap on edge of bender.

This is my bending brake i made it from 4mm thick 40 x 40mm l profile6 and 12mm steel bars and 3 4 and 6 mm thick flat bars i wanted to get brake that could bend 2 3mm thick steel. The u punch forms a u shape with a single punch. Also i wanted to be able to do some bends with bigger radius witho. The most important thing on a sheet metal brake is.

Grain direction is formed in metal in the direction in which the sheet was rolled at the. Bend radii minimum bend sizes. As the name bottom pressing suggests the punch presses the metal sheet onto the surface of the die so the die s angle determines the final angle of the workpiece. The formed bend radius is dependent upon the dies used the material properties and the material thickness.

Crca inside bend radius equal to 0 65 times of sheet thickness is also enough. Adjust and do a tack weld at side of pivot and the top corner of angle iron point 1. As the inner line gets compressed it needs more and more force to further manipulate it. The bend deduction is the amount the sheet metal will stretch when bent as measured from the outside edges of the bend.