Engineering Sheet Metal Drawing Notes

Bend annotations a bend note adds fabricating information to sheet metal bend centerlines.

Engineering sheet metal drawing notes.

Blanking and piercing bending and forming drawing and its types cup drawing and tube drawing coining hot and cold spinning. Engineering graphics is an effective way of communicating technical ideas and it is an essential tool in engineering design where most of the design process is graphically based. Drawing force power and number of stages defects in products. Engineering drawing basic sheet layout title block notes engineering working drawings basics.

Just before the punch contact work 2. Accuracy in the use of the scale rule. Bend tags associate rows in a bend table with the view geometry. Unit iv sheet metal working economical considerations stamping forming and other cold working processes.

Bend notes are associated with a drawing view. Fig shows the shearing of sheet metal between two cutting edges. However in order to have a measure for sake of comparison the limit drawing ratio ldr is taken as a measure of drawability. In making the layout for this cleat the following points must be kept in mind.

Engineering graphics is used in the design process for visualization communication and documentation. After you insert the bend table in the drawing bend tags are added to the selected drawing view. The sheet metal cleat the work of this problem will consist in laying out to full size the views and pattern for a galvanized sheet metal cleat. Punch begins to push into work causing plastic deformation 3.

How to dimension a drawing. A bend table lists propertied of all bends in a flat pattern view of a sheet metal part. The proper relation of views in a drawing.