Cgmp Sheet Metal Minimum Radius

Minimum sheet metal flange bend length is required to avoid cracks in the bending area.

Cgmp sheet metal minimum radius. According to fabricator steve benson there s a simple mathematical equation to determine a minimum and maximum bend radius for both sheet metal and aluminum and steel plates. It shall be equal to three times of sheet thickness plus bend radius. Divide 50 by the material s tensile reduction percentage. The minimum bend radius for aluminum when working with aluminum over sheet metal several variables need to be considered.

It is possible to choose other bends if you require but additional lead time and tooling charges may apply. Thus the smallest radius of any bend in a sheet should be at least equal to the thickness of the sheet. Subtract 1 from that answer. The bend radii listed are standard minimum if manufacturing for aircraft and aerospace applications.

The tables below show bend radii and minimum bend sizes for materials and tooling combinations stocked by protocase. 3003 h14 is extremely ductile almost like copper. Cmp is the go to material for the majority of pipe and drainage system applications. Follow these steps in order.

Aluminum is typically thicker and stronger and requires more force to bend as well as consideration of edge conditions and punch nose radii. Corrugated metal pipe cmp the go to product for pipe and drainage system applications with its low cost a wide variety of diameters layout configurations and materials no other material can match cmp s versatility and flexibility in design. Bend radii minimum bend sizes it is most economical to use a single bend radius throughout the design but if necessary you can utilize multiple radii. We go beyond the general rules of sheet metal bending as our customers want tight bend radii for sheet metal parts.

So if the metal plate is 75 thick you would multiply 4 x 75 3 so your minimum inside bend radius would be roughly 3 times the thickness of the material in this case or 2 25. 5052 h32 aluminum bends in about the same way as mild steel. It requires an inside bend radius of at least 6x the material thickness. Use this document to choose values that are both manufacturable and meet your needs.

Minimum sheet metal flange bend length 3 x sheet thickness bend radius minimum hole diameter guidelines. Since commercial sheet metal bending can be done with less concern for stresses caused during forming operation the radius can be near zero for thin sheet metal. We recommend a minimum bend radius of 1t for all sheet metal parts.