When a single part is to be produced in quantity a different development procedure is used.
Sheet metal development drawing pdf.
3 answers dhananjay rehere.
Create a drawing of the sheet metal part.
Department of training and workforce development.
A development is a flat representation or pattern that when folded together creates a 3 d object.
As sheet metal features are added to the part it remains at the bottom.
Sheet metal worker makes sheet metal articles according to drawing or sample.
Answered on 27 jul 2017 12 13 pm sheet metals parts.
Sheet metal pdf drawings.
Layout tools are used for drawing fabrication jobs on metal.
Select flatten from the sheet metal toolbar the sheet metal model flattens out into the surface development used to create it.
The drawings on the instruction sheets do not always exactly reflect the specified dimensions however the distances within a drawing are proportional to them.
Some of the more common layout tools are scriber flat steel square combination square protractor prick punch dividers trammel points and circumference ruler.
Called also a pattern the plane may show the true size of each area of the object.
Sheet metal construction is the most common application for developments and intersections.
Construction in full light lines.
27 jul 2017 08 02 am can any one juz send me some pdf for practicing sheet metal module.
The resulting flat pattern gives the true size of each connected area of the form so that the part or structure can be fabricated.
In sheet metal development work some fabrication or repair jobs can be laid out directly on sheet 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.
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.
Many articles such as cans pipes elbows boxes ducting hoppers etc.
Introduction to solidworks sheet metal for technology page 14.
When the pattern is cut it can be rolled or folded back into the original object.
Methods of development of surfaces are.
Parallel line development radial line development triangulation.
Make install and repair articles and parts of articles of sheet metal such as sheet steel copper tin brass aluminium zinc or galvanized iron.
Are manufactured from thin sheet materials.
A development is the unfold unrolled flat plane figure of a 3 d object.
This development procedure known as scratching is used when the object to be made requires little or no duplication.
It vl be so helpful for me thank u.