Engineering Sheet Metal Drawing Notes
Bend notes are associated with a drawing view.
Engineering sheet metal drawing notes. How to dimension a drawing. Engineering graphics is used in the design process for visualization communication and documentation. Bend tags associate rows in a bend table with the view geometry. The shearing action is illustrated in the figure.
Bend annotations a bend note adds fabricating information to sheet metal bend centerlines. After you insert the bend table in the drawing bend tags are added to the selected drawing view. In making the layout for this cleat the following points must be kept in mind. Drawing force power and number of stages defects in products.
Blanking and piercing bending and forming drawing and its types cup drawing and tube drawing coining hot and cold spinning. The proper relation of views in a drawing. However in order to have a measure for sake of comparison the limit drawing ratio ldr is taken as a measure of drawability. Formability of sheet metal is the ability of sheet metal to be drawn into cups or formed into the desired shapes without any defect.
A bend table lists propertied of all bends in a flat pattern view of a sheet metal part. 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. Just before the punch contact work 2. 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.
Accuracy in the use of the scale rule. Engineering drawing basic sheet layout title block notes engineering working drawings basics. Fig shows the shearing of sheet metal between two cutting edges.