Not always the sheet is bent along the marked line — this applies particularly to small details. The case will help the cutter, sharpened an old saw blade. Along the fold lines, make a small incision on the side where you will have to bend the part. To the strength of the tin not diminished, the fold line propagte.
The cutting of sheet metal before bending: 1 — tin detail, 2 — cutter.
V. TOLCHENNIKOV
Recommend to read
CLAMP AND PIPE
When welding T-joints of pipes pre-combining them is difficult. Made a fixture consisting of two metal plates, studs, and two nuts, it is possible to securely lock the segments of pipe...
TWO CHAMFER — TIME
In the processing of flat pieces cut from sheet materials: soft metal, plastic, plexiglass — sharp edges it is desirable to remove or to blunt (to make the chamfer). The simplest tool...