Sheet Metal Development Drawing Pdf

Introduction to solidworks sheet metal for technology page 14.

Sheet metal development drawing pdf.

Select flatten from the sheet metal toolbar the sheet metal model flattens out into the surface development used to create it. Layout tools are used for drawing fabrication jobs on metal. 1 1 1 scriber lines are drawn on sheet metal with a scribe or scratch awl coupled with a steel scale or a straightedge. In sheet metal development work some fabrication or repair jobs can be laid out directly on sheet metal.

Some of the more common layout tools are scriber flat steel square combination square protractor prick punch dividers trammel points and circumference ruler. Department of training and workforce development. Figure sm 4 coach for pro engineer pro sheetmetal drawings flat state. Generally a template is produced from an orthographic drawing when small quantities are required larger quantities may justify the use of press tools and the template will include allowances for bending and seams bearing in mind the thickness of material used.

Create a drawing of the sheet metal part. A development is the unfold unrolled flat plane figure of a 3 d object. You will also. Are manufactured from thin sheet materials.

This development procedure known as scratching is used when the object to be made requires little or no duplication. Parallel line development radial line development triangulation. Sheet metal construction is the most common application for developments and intersections. Sheet metal drawings usually contain views both of the fully formed part and of the flat pattern as in figure sm 4.

Called also a pattern the plane may show the true size of each area of the object. This is due to the fact that drawings manipulated on the sheets by a word processor have been adjusted to conform to space limitations. Construction in full light lines. You can place views of the part in both states on the same drawing by creating a multi model drawing.

A development is a flat representation or pattern that when folded together creates a 3 d object. When the pattern is cut it can be rolled or folded back into the original object. Methods of development of surfaces are. Many articles such as cans pipes elbows boxes ducting hoppers etc.

The resulting flat pattern gives the true size of each connected area of the form so that the part or structure can be fabricated.