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Machine design (1906)

Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 43

An illustration from Machine design, 1906, leaf 43 — lform for all frames or machinemembers which are subjected totorsion. If subjected also tobending the section may be madeelliptical or, as is more common,thickened on two sides by makingthe core oval. See Fig. 6. AsFig. 6. has already been pointed out the box sections are in general betteradapted… … MACHINE FRAMES. 23 pressure on the tool when work is being turned. Theyare usually subjected to torsion on account of the un-even pressure of the supports. The box section is thenthe best; the double / commonly used is very weakagainst twisting. The same principle would apply indesigning the beds…

Machine design

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