Bending Sequence Sheet Metal

On a sheetmetal drawing with numerous bends use bend notes to show the direction angle and bend radius of each bend.

Bending sequence sheet metal.

Bending sequence during the bending sequence the blank is positioned outside the machine. Collinear bends can be performed in a single operation. For bending the upper ram moves down into the lower die. Both sides of the part move up and leave the plane.

In order to carry out the bending operations a sheet of metal is placed on a die up against a backgage to locate the part precisely as shown in fig. Sheet metal bend sequence planning is a complex combinatorial problem. In the sheet metal industry skilled operators perform bending of sheet metal parts. A linear ram movement results in the bend angle.

Tools and tool stages can be reused in a sequence depending on length of tool stage. Bending is one of the vital operations to obtain a three dimensional 3d shape in a sheet metal component. Taking the sheet metal in figure 8 as an example if the bending sequence is arranged without adhering to proper bending rules and two p type bends are performed before the ω type bend then interference will occur at the ninth bend operation. Examples of sheet metal components.

This combination allows the. Sheet bend design 4 machining set up planning 5 and three roll bending 6. Process planning and tolerance reasoning for sheet metal forming are critical to reduce manufacturing time and to address. Inventor 2009 windows xp 32 bit excel 2000.

Ie identify the order in which the piece should be bent. Anyone have thoughts on how to accomplish this. The operator holds and supports the weight of the blank. What i need to do is show the sequence for bending.

Similar to other metal forming processes bending changes the shape of the work piece while the volume of material will remain the same. 1 the machine is then commanded to close the gap between the punch and die. Figure 279 shows a simple sequence used to produce a channel. In the present study the optimum bend and set up sequence in sheet metal forming is determined by combining the tolerance anal ysis with fuzzy reasc ning.