49 sheet metal terms that sheet metal workers must know

1. Material cutting: refers to the process of obtaining rectangular workpiece from materials through plate shearing machine.

2. Blanking: refers to the process of workpiece cutting by LASER or blanking by CNC punch.

3. Blanking: refers to the technological process of obtaining the product shape by using a die on an ordinary punch or other equipment.

4. Punching: refers to the process in which the workpiece is processed by an ordinary punch and die.

5. Bending: refers to the technological process in which the workpiece is formed by the bending machine.

6. Forming: refers to the process of using a die on an ordinary punch or other equipment to deform the workpiece.

7. Hole drawing: also called “flanging”, it refers to the process of using a die to form a round hole on the workpiece on an ordinary punch or other equipment.

8. Tapping: refers to the process of machining internal threads on workpieces.

9. Reaming: refers to the process of turning small holes on the workpiece into large holes with a drill or milling cutter.

10. Counterbore: refers to the technological process of machining tapered holes on workpieces to fit with connectors such as countersunk screws.

11. Riveting: refers to the process of firmly pressing rivet nuts, rivet screws, rivet nut columns and other fasteners onto the workpiece with a punch or hydraulic press

12. Rivet expansion: refers to the process of sinking the workpiece first, and then firmly pressing the rivet expansion nut on the workpiece with a punch or hydraulic press.

13. Pulling nut: refers to the process similar to riveting. The process of firmly connecting the rivet nut (POP) and other connecting pieces to the workpiece with a master gun.

14. Riveting: refers to the process in which two or more workpieces are closely connected together with a rivet gun as a tool.

15. Riveting: the process of connecting two or more workpieces face to face with rivets. In case of countersunk riveting, the workpieces shall be countersunk first.

16. Punching bulge: refers to the process of forming a bulge shape of the workpiece with a die on a punch or hydraulic press.

17. Punching and tearing: also called “punching bridge”, it refers to the process of forming the workpiece into the shape of a bridge with a die on a punch or hydraulic press.

18. Stamping: refers to the process of stamping words, symbols or other marks on the workpiece with a die.

19. Corner cutting: refers to the process of cutting the workpiece corner with a die on a punch or hydraulic press.

20. Punching mesh hole: refers to the mesh hole punched on the workpiece with a die on an ordinary punch or a CNC punch.

21. Flattening: refers to the process of transition from a workpiece with a certain shape to a flat workpiece.

22. Drilling: refers to the process of drilling the workpiece with a drill on a drilling or milling machine.

23. Chamfer: refers to the process of processing sharp corners of workpieces with molds, files, grinders, etc.

24. Leveling: refers to the process of using other equipment to level the workpieces that are not smooth before and after processing.

25. Tooth retraction: refers to the process of repairing the second thread of the workpiece with pre tapped teeth.

26. Paste protective film: refers to the process of protecting the workpiece surface with a film that can protect the workpiece surface.

27. Tearing protective film: refers to the process of cleaning the protective film on the workpiece surface.

28. Shaping: refers to the process of adjusting the workpieces that have been processed and formed.

29. Heat shrinkage: refers to the process of using heating equipment (hot air gun and oven) to compress the plastic covering the workpiece.

30. Labeling: refers to the process of pasting the label to the designated position of the workpiece.

31. Wire drawing: refers to the process of using a wire drawing machine and abrasive belt to conduct a texture treatment on the surface of the workpiece.

32. Polishing: refers to the process of polishing the workpiece surface with polishing equipment.

33. Heat treatment: refers to the process of special treatment to improve the hardness of the workpiece.

34. Deburring: refers to the process of removing the rough edges of the workpiece with a grinder, file and other tools during the sheet metal processing of the workpiece to make the processing place of the workpiece smooth and flat.

35. Argon arc welding: refers to the process of welding workpiece and workpiece connection at the edge or joint of workpiece by argon arc welder. It is also divided into intermittent welding and full welding, which shall be clearly marked on the drawings.

36. Butt welding: also known as “spot welding”, refers to the process of welding workpieces face to face by butt welding machine.

37. Planting welding: refers to the process of firmly welding the planting welding screw on the workpiece with the planting welding gun.

38. Welding and grinding: mainly refers to the process of making the weld scar of workpiece smooth and flat by using tools such as grinding machine and file.

39. Pretreatment: refers to the process of degreasing, derusting, coating (such as phosphating film) and cleaning of workpieces with electrolytic solution after sheet metal processing and before painting or powder spraying.

40. Ash scraping: refers to the process of using atomic ash to make up defects on the workpiece surface, such as welding gaps or pits.

41. Ash scraping and polishing: mainly refers to the process of surface polishing of workpieces after ash scraping with a flat grinder or emery cloth.

42. Oil injection: refers to the process of uniformly spraying paint on the workpiece surface with a special spray gun.

43. Powder spraying: refers to the process of evenly spraying powder on the workpiece surface with a spray gun.

44. Silk screen printing: refers to the process of forming words or patterns on the surface of the workpiece with special ink penetrating through a special grid.

45. Electroplating: refers to the process of plating a layer of metal on the workpiece surface to protect or beautify the workpiece.

46. Oxidation: refers to the process of forming an oxide film on the surface of the workpiece to protect or beautify the workpiece.

47. Sand blasting: refers to the process of processing the workpiece surface by sand blasting with a sand blasting machine

48. Assembly: refers to the process of assembling more than two workpieces together.

49. Packaging: refers to the process of protecting workpieces for transportation.