File:Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel (1903) (14596937997).jpg

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Identifier: hardeningtemperi00wood (find matches)
Title: Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel ..
Year: 1903 (1900s)
Authors: Woodworth, Joseph Vincent, 1877-
Subjects: Steel Forging Tempering
Publisher: New York, N. W. Henley & Co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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PIG. 31.—GAS FORGE. ENTRANCE, 6 INCHES WIDE BY 3 INCHESHIGH ; DEPTH OE HEATING SPACE, 6 INCHES. the size of the entrance to the heatmg chamber, and a correspond-ing opening in the back is ordinarily closed by a plug, whichcan be removed when a clear passage through the furnace is re- 6o HARDENING, TEMPERING AND ANNEALING. quired. Two burners project into the heating chamber from thedistributing pipe, D, W, so adjusted that direct contact of theflames with the work is avoided. Perfect combustion is steadilymaintained, the work is quickly and evenly heated and oxidizationreduced to a minimum. The furnace is connected with air by a tin pipe at B, and the
Text Appearing After Image:
FIG. 32.—GAS forge; FOR HEATING DROP FORGINGS, cock A controls the air supply. Gas connects with union fromthe nearest supply pipe by ^-inch pipe at P, and globe valve Gcontrols the gas supply. The small cock C feeds a pilot lightin the mouth of the furnace, which is left burning so as toinstantly light the forge when the main supply is turned on. Thebottom of the furnace can be cleaned of scaling by removing aplug which is held in place by the set screw I, which passes HEATING STEEL GAS BLAST FURNACES. 6l through the hanger, K. The air relief valve R is a test valve toshow the air pressure at the furnace, and when this has been foundsufficient it can be weighted down tight. Gas Forge for Heating Drop-Forgings. The style of forge shown in Fig. 32 is extensively used fordrop forgings, to heat blanks continuously and keep them at theproper heat. The heating space is 10 inches deep, 8 inches wideand 3 inches high. The burners, B, penetrate the chamber fromopposite sides and the flames

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  • bookid:hardeningtemperi00wood
  • bookyear:1903
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Woodworth__Joseph_Vincent__1877_
  • booksubject:Steel
  • booksubject:Forging
  • booksubject:Tempering
  • bookpublisher:New_York__N__W__Henley___Co_
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:63
  • bookcollection:library_of_congress
  • bookcollection:americana
Flickr posted date
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30 July 2014

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