Friday, November 9, 2018

Machine Design Drawing Room Problems

Here is an older but still interesting book for the machine designer. " Machine Design Drawing Room Problems" by C.D. Albert, was first published in 1923 by John Wiley & Sons. This third edition was published in 1947.

In addition to a good number of specific design problems of various pieces of equipment, the text also covers engineering materials used, and without getting to deeply into the math, outlines the calculations necessary to build machines that will stand up to the required specifications.

To stay with the topic of the previous post, I am posting here part of a design problem titled "Combination Punch And Shear". This chapter is 32 pages so I will just post part of it here, the pictures, and the punch and shear tooling. If someone would like to see the whole design problem, message me, and I will post a pdf of the complete chapter.

Machines like this are not built any more, the modern hydraulic ironworker does similar work in a smaller package. It is still amazing the amount of power that can be achieved from a heavy flywheel, powering a simple eccentric, through a large speed reduction.







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