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.

When producing drawings of sheet metal components i dimension from inside the flange walls. 9 9 direction of dimension figures. 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. See more ideas about sheet metal drawing sheet metal technical drawing.

Jun 8 2019 explore h g raghunandan s board sheet metal drawing on pinterest. I think this is the better way because you can acquire your cutting length without a flat pattern by adding the. And also find you fold centers more easily. 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.

Dimension figures and notes are lettered horizontally and are read from the bottom of the sheet. This is a common occurrence when manufacturers receive a sheet metal layout dimensioned in the flat pattern. There is no consistently enforced distinction between an l m a bom or a p l. My boss dimensions from outside the flange walls and thinks this is the.

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