Sheet metal processing is called sheet metal processing. The main processes are shearing, bending and buckling, bending and forming, welding, riveting, etc., which require certain geometric knowledge. Sheet metal parts are thin sheet metal parts, that is, parts that can be processed by means of stamping, bending, stretching, etc. A general definition is that the thickness of the parts remains unchanged during processing. The corresponding parts are cast parts, forged parts, machined parts, etc.
Material Selection
The materials generally used in sheet metal processing are cold rolled sheet (SPCC), hot rolled sheet (SHCC), galvanized sheet (SECC, SGCC), copper (CU) brass, purple copper, beryllium copper, aluminum (6061, 5052, 1010, 1060, 6063, hard aluminum, etc.), aluminum profiles, stainless steel (mirror, brushed surface, matte surface), depending on the role of the product, the choice of materials is different. Generally need to be considered from the product its use and cost.
(1) cold-rolled plate SPCC, mainly with electroplating and baking paint parts, low cost, easy to shape, material thickness ≤ 3.2mm.
(2) hot-rolled sheet SHCC, material T ≥ 3.0mm, also with electroplating, baking paint parts, low cost, but difficult to form, mainly with flat parts.
(3) galvanized sheet SECC, SGCC. SECC electrolytic sheet is divided into N material, P material, N material is not mainly for surface treatment, high cost, P material for spraying parts.
(4) Copper; mainly used for conductive parts, its surface treatment is nickel-plated, chromium-plated, or no treatment, high cost.
(5) aluminum plate; generally with surface chromate (J11-A), oxidation (conductive oxidation, chemical oxidation), high cost, with silver plating, nickel plating.
(6) aluminum profile; cross-sectional structure of complex material, a large number of plug boxes used in a variety of. Surface treatment with aluminum plate.
(7) stainless steel; mainly used without any surface treatment, and high cost.
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