Draw Reduction refers to the decrease in size or dimensions of a material or object as a result of being drawn, stretched, or pulled through a die or other form of tooling. This process is commonly used in the manufacturing of wire, tubing, and other metal products to create a desired shape and size.
Report an issue
Spotted a wrong result, broken field, or typo? Tell us below and we’ll fix it fast.
What is Draw Reduction Calculator?
The Draw Reduction Calculator calculates the percentage reduction in size of a material, object, or tool that has been drawn, stretched, or pulled through a die. During the production of wire, tubing, and other metal products, this type of calculator is commonly used to calculate the amount of draw reduction.
DR = (I – F) / I * 100
where:
- DR is the draw reduction percentage
- I is the initial dimension before drawing (in)
- F is the final dimension after drawing (in)
To calculate the draw reduction, you need to know the initial dimension and final dimension of the material or object. Subtract the final dimension from the initial dimension, divide the result by the initial dimension, and then multiply by 100 to get the draw reduction percentage.
For example, let’s say you have a piece of wire that has an initial dimension of 0.5 inches and a final dimension of 0.4 inches.
To calculate draw reduction, subtract the final dimension from the initial dimension, divide the result by the initial dimension, and multiply by 100. You would use the formula:
DR = (0.5 – 0.4) / 0.5 * 100
= 0.1 / 0.5 * 100
= 20%
This means that the wire has undergone a draw reduction of 20%.
Essentially, a Draw Reduction Calculator calculates the percentage reduction in size of a material or object that has been drawn or stretched in the manufacturing industry.