External surface scratch after workpiece bending
reason: The surface of raw materials is not smooth. The bending radius of punch is...
Electrode pressure
During spot welding, the pressure exerted on the weldment through the electrode is called electrode...
History of sheet metal cutting
Sheet metal cutting is usually carried out with scissors since ancient times, that is, two...
Advantages of explosive welding
(1) It can realize the connection of the same and different metal materials; (2) The...
Sheet metal extrusion
Deep drawing is a pressing process in which a flat plate is pressed by a...
Analysis of extrusion and spinning process
Extrusion process It can simulate the extrusion process, quickly calculate the material flow in the...
How to reduce the welding time of sheet metal parts?
Heating and cooling occur during welding, and it also takes time to transfer heat. Therefore,...
What is “flying light path” in laser cutting machine?
In general, in order to stabilize the output, we will fix the laser generator. Relatively...
General classification of stainless steel
Stainless steel is generally divided into: Ferritic stainless steel. Chromium 12% ~ 30%. Its corrosion...
Process principle of electrophoresis (sheet metal surface treatment)
Electrophoresis methods are divided into anode electrophoresis and cathode electrophoresis. When the coating particles are...