Autodesk inventor sheet metal tutorial basics https youtu be zqqqcrntyhk in this tutorial video we will learn how to create drawing base view projected v.
Dimensioning sheet metal drawings.
This makes matching these dimensions during the modeling stage difficult and time consuming.
My boss dimensions from outside the flange walls and thinks.
For instance in a a guide block fits into a slot in a base.
The flat pattern drawing doesn t always list these factors.
Abbreviations and acronyms for use on drawings and related documents asme.
When producing drawings of sheet metal components i dimension from inside the flange walls.
Accuracy in the use of the scale rule.
I think this is the better way because you can acquire your cutting length without a flat pattern by adding the inside lengths fold allowance.
Ref harv french thomas e.
Sheet metal fabrication is the process of forming parts from a metal sheet by punching cutting stamping and bending.
How to dimension a drawing.
Intent of the sheet metal component.
In dimensioning a single part its relation to mating parts must be taken into consideration.
Revision of engineering drawings and associated documents asme archived from the original on 2013 04 14.
Those dimensions common to both parts are mating dimensions.
3d cad files are converted into machine code which controls a machine to precisely cut and form the sheets into the final part.
And also find you fold centers more easily.
These mating dimensions should be given on the multiview drawings in the corresponding locations as shown in b and c.
However to match the other dimensions that are included it would require your manufacturer to work with incorrect or unachievable sheet metal forming factors.
In making the layout for this cleat the following points must be kept in mind.
The sheet metal cleat the work of this problem will consist in laying out to full size the views and pattern for a galvanized sheet metal cleat.
The proper relation of views in a drawing.