Dimensioning Sheet Metal Drawings
One needs to check that these factors are consistent with the tooling that will be used in manufacturing.
Dimensioning sheet metal drawings. This is a common occurrence when manufacturers receive a sheet metal layout dimensioned in the flat pattern. Dimension figures and notes are lettered horizontally and are read from the bottom of the sheet. See more ideas about sheet metal drawing sheet metal technical drawing. When producing drawings of sheet metal components i dimension from inside the flange walls.
When producing drawings of sheet metal components i dimension from inside the flange walls. I think this is the better way because you can acquire your cutting length without a flat pattern by adding the. 9 9 direction of dimension figures. There is no consistently enforced distinction between an l m a bom or a p l.
15 satisfactory style of lettering for sheet metal drawings. Some critical dimensions that need to be considered when setting up sheet metal in cad software are sheet metal thickness the k factor and bend radius. And also find you fold centers more easily. My boss dimensions from outside the flange walls and thinks this is the.
Horizontal dimensions should be read from the bottom of the sheet and vertical dimensions from the right hand side of the sheet as in fig. 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. In the aligned system all dimension figures are aligned with dimension lines so that they may be read from the bottom or right side of the sheet.