Bending Half Hard Copper Sheet

Material bend radii and minimum bend size charts please note.

Bending half hard copper sheet.

The bend radius you select may not be available if the geometry of the part will not allow us to bend with the specific tooling required to achieve that radius. Types of copper and properties. Then use your bend allowance to draw your second bend line the intervening distance between your bend lines bend radius. Once bent ask another class member to unbend the copper.

Now work harden the copper more by hammering the copper into a flat rod. 20 gauge copper can be cut with heavy duty snips or sheet metal shears. This is done through the application of force on a workpiece. Cartridge brass reflects the deep drawing characteristic of that alloy.

Deep drawing coining stretching and bending are common methods used to form components such as bathroom fixtures and other household products. Now that you know your bend allowance take your protractor and draw a clear line with your marker across the point at which you will bend your sheet metal. Use the minimum bend dimension values in the charts below for your minimum closeness of cutout to a bend. Copper nickels and other alloy families strength is increased in proportion to the amount of cold work.

Discuss why the copper cannot be fully unbent due to work hardening. It s often used for various construction art and craft projects diy projects electrical applications research and development and much more. Bending is one of the most common sheet metal fabrication operations. The copper most commonly used for sheet and strip applications complies with astm b370.

The force must exceed the material s yield strength to achieve a plastic deformation. Ask selected class members to slowly bend the copper careful not to cause crimping. How to bend sheet metal without a brake. How to bend sheet metal without a brake in 4 different methods with minimal or homemade tools.

060 soft h00 cold rolled h01 cold rolled high yield h02 half hard h03 three quarter hard and h04 hard. Also known as press braking flanging die bending folding and edging this method is used to deform a material to an angular shape. Mark your bend lines. It consists of 99 9 percent copper and is available in six tempers designated by astm b370 as.

While you can bend this copper with your hands to get a sharp 90 degree bend you must use a sheet metal brake.