Some of the more common layout tools are scriber flat steel square combination square protractor prick punch dividers trammel points and circumference ruler.
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.
Parallel line development radial line development triangulation.
1 1 1 scriber lines are drawn on sheet metal with a scribe or scratch awl coupled with a steel scale or a straightedge.
Called also a pattern the plane may show the true size of each area of the object.
A development is a flat representation or pattern that when folded together creates a 3 d object.
This development procedure known as scratching is used when the object to be made requires little or no duplication.
Are manufactured from thin sheet materials.
When the pattern is cut it can be rolled or folded back into the original object.
Sheet metal drawings usually contain views both of the fully formed part and of the flat pattern as in figure sm 4.
You can place views of the part in both states on the same drawing by creating a multi model drawing.
A development is the unfold unrolled flat plane figure of a 3 d object.
Methods of development of surfaces are.
Figure sm 4 coach for pro engineer pro sheetmetal drawings flat state.
The drawings on the instruction sheets do not always exactly reflect the specified dimensions however the distances within a drawing are proportional to them.
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.
Introduction to solidworks sheet metal for technology page 14.
Department of training and workforce development.
Create a drawing of the sheet metal part.
The resulting flat pattern gives the true size of each connected area of the form so that the part or structure can be fabricated.
You will also.
Layout tools are used for drawing fabrication jobs on metal.
Sheet metal construction is the most common application for developments and intersections.
Many articles such as cans pipes elbows boxes ducting hoppers etc.
Construction in full light lines.