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Crum Calculator (SI / metric units)

$ 20.00 - Crum Calculator, SI (Member Price)
$ 25.00 - Crum Calculator, SI (List Price)
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Description

The Crum Calculator is designed to illustrate the entire picture of a given wiredrawing mathematical problem in one setting. It can show the number of holes, the percentage draft per hole, the total reduction of area, the intermediate die sizes, and other special information required by the user. It also estimates wire production rates for various speeds and efficiencies.

In operation, the device is held with the rectangle base in the left hand. This leaves the right hand free to rotate the diameter dial about its two pivot points.