2. Draw blanking lines-prepare a ruler, a square and a pencil.

3, blanking-the first choice is to use the shearing machine to blank, the second choice is gas cutting, slag removal after gas cutting, polishing and cutting.

4. Pre-bending of material head: check with R80 sample.

5. The drum of small manual plate bending machine is welded and fixed.

6. Longitudinal seam welding: AC welding machine, No.2 and No.5 covered electrode, current 50A, inclined workpiece downhill welding.

7. Handmade campus

8. Trim the weld with an angular grinder.

9. Rust removal, brush rust prevention and purity