Elements of Machine Design
Elements of Machine Design
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In our eReader you can find the full English version of the book. Read Elements of Machine Design Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Elements of Machine Design
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10 I . 2 0. 34 o . 24 i t x i 0. 15 0. 10 3-4 2. 4 0. 68 0. 48 t The strength of a chain link in tension is less than twice the strength of a bar of the iron from which the chain is made on account of the bending action due to the manner in which the load is applied, and also on account of the weld. If W = the breaking load in pounds, and d = the diameter in inches of the 340 MACHINE DESIGN bar from which the link is made, then the following empirical equation may be used for iron crane chains....
W == 54, 000 d* ...... \ ..... (i) The working load (W) should not be more than one-third this value or W = 18, 000 d 2 . . .... . - . . - . (2) In many cases a lower stress than indicated by (2) should be adopted. Whenever the load is not a direct pull, but severe bending stresses are also induced, as in chain "slings" for handling heavy iron castings, the chain should have great excess of strength. Chains should be carefully inspected and tested or "proved" before using. The " proof " usually applied is one-half the ulti- mate load.
What to read after Elements of Machine Design?
You can find similar books in the "Read Also" column, or choose other free books by Dexter S Dexter Simpson Kimball to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
10 I . 2 0. 34 o . 24 i t x i 0. 15 0. 10 3-4 2. 4 0. 68 0. 48 t The strength of a chain link in tension is less than twice the strength of a bar of the iron from which the chain is made on account of the bending action due to the manner in which the load is applied, and also on account of the weld. If W = the breaking load in pounds, and d = the diameter in inches of the 340 MACHINE DESIGN bar from which the link is made, then the following empirical equation may be used for iron crane chains....
W == 54, 000 d* ...... \ ..... (i) The working load (W) should not be more than one-third this value or W = 18, 000 d 2 . . .... . - . . - . (2) In many cases a lower stress than indicated by (2) should be adopted. Whenever the load is not a direct pull, but severe bending stresses are also induced, as in chain "slings" for handling heavy iron castings, the chain should have great excess of strength. Chains should be carefully inspected and tested or "proved" before using. The " proof " usually applied is one-half the ulti- mate load.
What to read after Elements of Machine Design?
You can find similar books in the "Read Also" column, or choose other free books by Dexter S Dexter Simpson Kimball to read onlineMoreLess
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