Location of bend line on sheet metal flat layout?

In summary, for a flat layout sheet metal part, the placement of the bend line depends on the type of bending machine being used. For a pan-brake, the line will be offset, while for a press-brake, it will be centered. The neutral axis is assumed to be in the middle of the sheet, and the distance between bend lines must take into account the arc length of the bend. This can be calculated using the information provided in the links about bending and press brakes.
  • #1
gomerpyle
46
0
For a flat layout sheet metal part, is the bend line located directly in the middle of the bend allowance section, or is it inset from one side by a distance of the bend radius? So for a U-channel with an opening of approx. 4.56" (distance between inside of legs), would the distance between the bend lines on the flat pattern be 4.56? This is assuming an inside bend radius equal to mat'l thickness (.188).
 
Engineering news on Phys.org
  • #2

1. What is a bend line on a sheet metal flat layout?

A bend line is a line drawn on a sheet metal flat layout to indicate where the material will be bent. This helps ensure accuracy and precision in the bending process.

2. Why is the location of the bend line important?

The location of the bend line is important because it determines the angle and position of the bend in the sheet metal. If the bend line is in the wrong location, the final product may not fit correctly or may not have the desired shape.

3. How is the location of the bend line determined?

The location of the bend line is determined by factors such as the material thickness, bend radius, and the type of tooling used. It can also be calculated using mathematical formulas or determined through trial and error.

4. Can the location of the bend line be changed after it has been marked?

Yes, the location of the bend line can be adjusted if necessary. This can be done by redrawing the line in the correct location or by using additional tools such as a press brake back gauge.

5. Are there any specific guidelines for determining the location of the bend line?

Yes, there are guidelines and standards that can be followed for determining the location of the bend line. These may include industry standards or specific guidelines provided by the manufacturer of the material or tooling being used.

Similar threads

  • Mechanical Engineering
Replies
7
Views
1K
  • Introductory Physics Homework Help
Replies
21
Views
652
  • Electrical Engineering
Replies
14
Views
1K
  • Sci-Fi Writing and World Building
Replies
1
Views
516
  • Introductory Physics Homework Help
Replies
26
Views
554
  • Mechanical Engineering
Replies
4
Views
1K
  • Electromagnetism
Replies
3
Views
2K
  • Mechanical Engineering
Replies
3
Views
6K
  • Special and General Relativity
Replies
16
Views
1K
  • Special and General Relativity
2
Replies
40
Views
2K
Back
Top