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2018 sheet metal processing terminology ultimate teaching material (3)

Sheet Metal Processing
2018 sheet metal processing terminology ultimate teaching material (3)


Riveting: the process of connecting two or more pieces of workpiece face to face with rivets, if the head is riveted, the workpiece must be sunk first.

Punch Convex Hull: the process of forming a convex shape in a punch or hydraulic press with die.

Punch Tearing: also known as “punch bridge”, refers to the process of making the workpiece shaped like a bridge in a punch or hydraulic press.

Punch Print: a process that uses a mold to dash out words, symbols, or other marks on an artifact.

Cutting Angle: refers to the process of using the mold to remove the workpiece angle on the punching machine or hydraulic press.

Punching Mesh Hole: a hole that is perforated by a mold to the workpiece in a normal punch or CNC punch.

Leveling: refers to the process of leveling a certain shape.

Drilling: the process of drilling the workpiece with a drill bit on a drilling or milling machine.

Chamfer: the process of processing the sharp corners of the workpiece by means of mold, file, grinding machine and so on.

Calibration: refers to the use of machines to smooth the workpiece before and after the workpiece is processed.

Sheet Metal Processing Terminology 31-40

Return Screw Teeth: the process of the repair of the second screw thread for the workpiece with the tooth in advance.

Pasting Protective Film: the process of protecting the surface of the workpiece by using a thin film that can protect the surface of the workpiece.

Tear Protective Film: refers to the cleaning process of the surface protection film.

Proofreading Form: the process of adjusting the workpiece that has been processed.

Thermal Shrinkage: the process of tightening the plastic of the workpiece by using heating equipment (hot air gun and oven).

Labelling: refers to the process of placing the label on the designated position of the workpiece.

Drawing: refers to the process of using a wire drawing machine and sand belt to process the surface of the workpiece.

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

Heat Treatment: the process of special treatment for improving the hardness of the workpiece.

Deburring: refers to the process of smoothing the workpiece by removing the edges of the workpiece by means of grinding machine, file and other tools during the process of sheet metal processing.

Sheet Metal Processing Terminology 41-50

Argon Spot Welding: refers to the use of argon welding machine for spot welding. It applied to the process with high welding quality, normal welding spacing is around 30 to 50 mm.

Argon Full-Length Welding: refers to the use of argon welding machine to do the full-length welding, mainly applied to the process which requires high quality, there can be no deformation after full-length welding.

Touching Welding: also been called “spot welding”, refers to the process of welding the workpiece face to face with touch welding machine.
CO2 Protection Welder: refers to the use of co2 gas shielded welding machine for the welding operation, it is applied to the common welding quality requirement process, normal welding spacing is around 30 to 50 mm.

CO2 Protection Full-Length Welder: refers to the use of carbon dioxide gas shielded welding machine for the welding operation, mainly applied to the process which requires high quality, there can be no deformation after full-length welding.

Stud Welding: also known as “seed welding”, refers to the process of welding the welding screws firmly to the workpiece by means of a stud welding gun.

Welding Grinding: it mainly refers to the process of smoothing the workpiece by means of grinding machine and file.

Use the hand-held electric power grinder to polish the welding parts, for the workpiece with the high requirement for electroplating, spraying, it should use the special grinding wheel (sandpaper) / 120.

Pretreatment: refers to after completion of sheet metal processing, before spray paint or powder spraying, degreasing de-rusting and increased surface coated (such as phosphating film) and cleaning in the electrolytic solution.

Scraping Ash: the process of making up the surface of the workpiece by using atomic ashes, such as welding seams or pits.

Blowing Ash & Grinding: mainly refers to the process of surface polishing by means of grinding machine or sand cloth for the workpiece after dust scraping.

It refers to a kind of repair process of the workpiece surface grinding by pneumatic grinding machine, which is the normal only in the process of filling the process.