Sheet Metal Development Drawing Pdf

Sheet metal construction is the most common application for developments and intersections.

Sheet metal development drawing pdf.

Construction in full light lines. 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. Many articles such as cans pipes elbows boxes ducting hoppers etc.

Introduction to solidworks sheet metal for technology page 14. Select flatten from the sheet metal toolbar the sheet metal model flattens out into the surface development used to create it. In sheet metal development work some fabrication or repair jobs can be laid out directly on sheet metal. As sheet metal features are added to the part it remains at the bottom.

A development is the unfold unrolled flat plane figure of a 3 d object. A development is a flat representation or pattern that when folded together creates a 3 d object. Department of training and workforce development. The drawings on the instruction sheets do not always exactly reflect the specified dimensions however the distances within a drawing are proportional to them.

Sheet metal drawings usually contain views both of the fully formed part and of the flat pattern as in figure sm 4. Layout tools are used for drawing fabrication jobs on metal. You will also. 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.

Parallel line development radial line development triangulation. Some of the more common layout tools are scriber flat steel square combination square protractor prick punch dividers trammel points and circumference ruler. When a single part is to be produced in quantity a different development procedure is used. You can place views of the part in both states on the same drawing by creating a multi model drawing.

1 1 1 scriber lines are drawn on sheet metal with a scribe or scratch awl coupled with a steel scale or a straightedge. Create a drawing of the sheet metal part. Methods of development of surfaces are. Figure sm 4 coach for pro engineer pro sheetmetal drawings flat state.

Called also a pattern the plane may show the true size of each area of the object.