Department of training and workforce development.
Sheet metal development drawing pdf.
3 answers dhananjay rehere.
27 jul 2017 08 02 am can any one juz send me some pdf for practicing sheet metal module.
Construction in full light lines.
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.
A development is a flat representation or pattern that when folded together creates a 3 d object.
Sheet metal worker makes sheet metal articles according to drawing or sample.
When the pattern is cut it can be rolled or folded back into the original 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.
Make install and repair articles and parts of articles of sheet metal such as sheet steel copper tin brass aluminium zinc or galvanized iron.
Layout tools are used for drawing fabrication jobs on metal.
A development is the unfold unrolled flat plane figure of a 3 d object.
Sheet metal construction is the most common application for developments and intersections.
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.
Called also a pattern the plane may show the true size of each area of the object.
The drawings on the instruction sheets do not always exactly reflect the specified dimensions however the distances within a drawing are proportional to them.
Are manufactured from thin sheet materials.
You will also.
Sheet metal worker 6 sheet metal worker.
Many articles such as cans pipes elbows boxes ducting hoppers etc.
1 1 1 scriber lines are drawn on sheet metal with a scribe or scratch awl coupled with a steel scale or a straightedge.
Parallel line development radial line development triangulation.
As sheet metal features are added to the part it remains at the bottom.
Sheet metal pdf drawings.
In sheet metal development work some fabrication or repair jobs can be laid out directly on sheet metal.
It vl be so helpful for me thank u.
When a single part is to be produced in quantity a different development procedure is used.
Some of the more common layout tools are scriber flat steel square combination square protractor prick punch dividers trammel points and circumference ruler.
Select flatten from the sheet metal toolbar the sheet metal model flattens out into the surface development used to create it.
This development procedure known as scratching is used when the object to be made requires little or no duplication.