Podcast
Questions and Answers
What is the purpose of the bend allowance for a 90° bend formula?
What is the purpose of the bend allowance for a 90° bend formula?
- To determine the radius of a bend
- To calculate the material thickness of a U-channel
- To find the weight of a material
- To compute the allowance needed for bending metal at a 90° angle (correct)
How can the bend allowance for a 90° bend be determined using a chart?
How can the bend allowance for a 90° bend be determined using a chart?
- By using the top number in each cell (correct)
- By adding both numbers in the cell
- By using the lower number in each cell
- By looking at the left-hand column only
Which parameter is required to calculate the bend allowance for a 90° bend?
Which parameter is required to calculate the bend allowance for a 90° bend?
- Material type and bend radius
- Material thickness and bend radius (correct)
- Material type and degree of bend
- Material thickness and degree of bend
What does the lower number in each cell of the bend allowance chart represent?
What does the lower number in each cell of the bend allowance chart represent?
How is the correct bend allowance found in the chart for a U-channel with a material thickness of 0.040 inch and a bend radius of 0.16 inch?
How is the correct bend allowance found in the chart for a U-channel with a material thickness of 0.040 inch and a bend radius of 0.16 inch?
What is the advantage of using online bend allowance calculation programs?
What is the advantage of using online bend allowance calculation programs?
When bending metal at angles other than 90°, what should be used to compute the bend allowance?
When bending metal at angles other than 90°, what should be used to compute the bend allowance?
What metal alloy is used to create the L-bracket in Figure 4-129?
What metal alloy is used to create the L-bracket in Figure 4-129?
What factors should be considered when forming straight line bends?
What factors should be considered when forming straight line bends?
What does the radius of bend of a sheet of material refer to?
What does the radius of bend of a sheet of material refer to?
Why is it important to consider the minimum bend radius of a sheet of material?
Why is it important to consider the minimum bend radius of a sheet of material?
What is the effect of a radius of bend that is too small on a sheet of material?
What is the effect of a radius of bend that is too small on a sheet of material?
What is the approximate bend radius for annealed sheet material?
What is the approximate bend radius for annealed sheet material?
What kind of bend radius is required for stainless steel and 2024-T3 aluminum alloy?
What kind of bend radius is required for stainless steel and 2024-T3 aluminum alloy?
Why are setback and bend allowance important when forming straight angle bends?
Why are setback and bend allowance important when forming straight angle bends?
What must be considered to avoid weakening the metal at a bend?
What must be considered to avoid weakening the metal at a bend?
What are other factors that must be considered when making straight line bends, besides bend allowance and setback?
What are other factors that must be considered when making straight line bends, besides bend allowance and setback?
Why does thinner material allow for sharper bends?
Why does thinner material allow for sharper bends?
