Cgmp Sheet Metal Minimum Radius

The minimum fillet radius between the flange and the wall of the tensile member should be greater than 2 times the thickness of the plate ie r2 2t.

Cgmp sheet metal minimum radius.

Use this document to choose values that are both manufacturable and meet your needs. Ductile material works great with small bend radii and short flange depths. In low carbon steel sheet metal the minimum radius of a bend should be one half the material thickness or 0 80 mm 0 03 inch whichever is larger. Avoid large sheet metal parts with small bent flanges.

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. In order to make the stretching smoother generally take r2 5t the maximum fillet radius should be less. The minimum bend radius data shown in these charts is measured to the inside of the bend.

It is possible to choose other bends if you require but additional lead time and tooling charges may apply. We go beyond the general rules of sheet metal bending as our customers want tight bend radii for sheet metal parts. The minimum bend radius for aluminum when working with aluminum over sheet metal several variables need to be considered. 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.

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. It requires an inside bend radius of at least 6x the material thickness. Crca inside bend radius equal to 0 65 times of sheet thickness is also enough. Sheet metal parts with a minimum of 0 9mm to 20mm in thickness can be manufactured.

Aluminum is typically thicker and stronger and requires more force to bend as well as consideration of edge conditions and punch nose radii. But for harder materials e g. When the sheet metal is bent a bend radius is required at the bend. Minimum inside bend radius for sheet metal recommended inside bend radius for sheet metal parts should be equal to material thickness.

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.