Posted in Engineering Drawing

Lettering and Dimensioning Practices

Introduction Engineering drawings are prepared on standard size drawing sheets. The correct shape and size of the object can be visualized from the understanding of not only its views but also from the various types of lines used, dimensions, notes, scale etc. For uniformity, the drawings must be drawn as per certain standard practice. This chapter deals with the drawing practices as recommended by Bureau of Indian Standards (BIS) SP: 46:2003. These are adapted from what is followed by International Standards Organisation (ISO). Drawing Sheet The standard drawing sheet sizes are arrived at on the basic Principal of x: y…