Dimensioning Sheet Metal Drawings

When producing drawings of sheet metal components i dimension from inside the flange walls.

Dimensioning 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. One needs to check that these factors are consistent with the tooling that will be used in manufacturing. These dimensions may seem helpful but after your manufacturer makes bend deductions based on their capabilities and other bending factors your dimensions will become unusable. There is no consistently enforced distinction between an l m a bom or a p l.

9 9 direction of dimension figures. 15 satisfactory style of lettering for sheet metal drawings. A list usually tabular and often on the drawing if not accompanying the drawing on a separate sheet listing the parts needed in an assembly including subparts standard parts and hardware. When producing drawings of sheet metal components i dimension from inside the flange walls.

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. Dimension figures and notes are lettered horizontally and are read from the bottom of the sheet. Jun 8 2019 explore h g raghunandan s board sheet metal drawing on pinterest. 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.

This is a common occurrence when manufacturers receive a sheet metal layout dimensioned in the flat pattern. See more ideas about sheet metal drawing sheet metal technical drawing. And also find you fold centers more easily.