Points for Buyers and Users of Tool Steel: Being a General Review of the Main Sources of Trouble Met with by Consumers of Tool Steel, Also Containing Suggestions about how to Avoid Them ...

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D. Williams Company, 1903 - Tool-steel - 224 pages
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Page 219 - ... one-half the given size, and multiply its capacity by 4; or one of one-third its size, and multiply its capacity by 9, etc.
Page 220 - Boiler makers usually add three times the thickness of the plate to length of iron for the take-up in rolling ; also add for laps, single or double riveting.
Page 5 - PRIMARILY this work is designed for those who have not had the benefit of a technical education so as to enable them to extract from the numerous books that have been written on this subject the information which we have attempted to give in plainer language.
Page 98 - Ij" square is a convenient size) in the jaws of a milling machine, in such a position that the saw of the machine will cut nearly quarter through at one end, and about three-quarters through at the other. Then round the corners of the groove, and cut out the bottom to a " V " shape. Now submit the piece to a tapering heat, as in the Metcalf test, taking care that the overheating is done on the end least penetrated by the...
Page 195 - Up to the present time there seems to be no disposition on the part of...
Page 70 - Indeed, it is plainly apparent that we are on the eve of a complete revolution in shop practice that will necessitate the use of more powerful machinery and a complete change in the time honored methods.
Page 136 - This is true to a certain extent, but it must be borne in mind that...
Page 135 - ... and it would not be mentioned here if it were not for the...
Page 217 - The US Standard Gauge is the one commonly used in the United States.
Page 199 - ... run at a speed of one hundred and fifty feet per minute, with oil as a lubricant, milling steel of i.

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