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Steel MakingBessemer ProcessThe bessemer process consists of charging molten pig iron int... Rate Of Absorption According to Guillet, the absorption of carbon is favored by ... Forging High-speed Steel Heat very slowly and carefully to from 1,800 to 2,000 deg.F.... Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer For extremely high temperature, the optical pyrometer is lar... Crucible Steel Crucible steel is still made by melting material in a clay or... Phosphorus PHOSPHORUS is an element (symbol P) which enters the metal fr... Leeds And Northrup Optical Pyrometer The principles of this very popular method of measuring tempe... Blending The Compound Essentially, this consists of the sturdy, power-driven separa... Lathe And Planer Tools TO FORGE.--Gently warm the steel to remove any chill is parti... Heavy Forging Practice In heavy forging practice where the metal is being worked at... Preventing Cracks In Hardening The blacksmith in the small shop, where equipment is usually ... Pyrometers For Molten Metal Pyrometers for molten metal are connected to portable thermoc... Quenching The Work In some operations case-hardened work is quenched from the bo... The Thermo-couple With the application of the thermo-couple, the measurement of... Testing And Inspection Of Heat Treatment The hard parts of the gear must be so hard that a new mill f... William Kelly's Air-boiling Process An account of Bessemer's address to the British Association w... Ebbw Vale And The Bessemer Process After his British Association address in August 1856, Besseme... Composition And Properties Of Steel It is a remarkable fact that one can look through a dozen tex... Phosphorus Phosphorus is one of the impurities in steel, and it has been... Standard Analysis The selection of a standard analysis by the manufacturer is t... |
Pyrometers For Molten MetalCategory: PYROMETRY AND PYROMETERS Pyrometers for molten metal are connected to portable thermocouples as in Fig. 132. Usually the pyrometer is portable, as shown in this case, which is a Brown. Other methods of mounting for this kind of work arc shown in Figs. 133 and 134. The bent mountings are designed for molten metal, such as brass or copper and are supplied with either clay, graphite or carborundum tubes. Fifteen feet of connecting wire is usually supplied. The angle mountings, Fig. 134, are recommended for baths such as lead or cyanide. The horizontal arm is usually about 14 in. long, and the whole mounting is easily taken apart making replacements very easy. Details of the thermo-couple shown in Fig. 132 are given in Fig. 135. This is a straight rod with a protector for the hand of the operator. The lag in such couples is less than one minute. These are Englehard mountings. Next: Protectors For Thermo-couples Previous: An Automatic Temperature Control Pyrometer
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