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The Pyrometer And Its Use
In the heat treatment of steel, it has become absolutely nece...

Effect Of Different Carburizing Material
[Illustrations: FIGS. 33 to 37.] Each of these different p...

Refining The Grain
This is remedied by reheating the piece to a temperature slig...

Vanadium
Vanadium has a very marked effect upon alloy steels rich in c...

Conclusions
Martien was probably never a serious contender for the honor ...

Pyrometers For Molten Metal
Pyrometers for molten metal are connected to portable thermoc...

Application Of Liberty Engine Materials To The Automotive Industry
The success of the Liberty engine program was an engineer...

Hints For Tool Steel Users
Do not hesitate to ask for information from the maker as to t...

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

Carbon Tool Steel
Heat to a bright red, about 1,500 to 1,550 deg.F. Do not ham...

Crankshaft
The crankshaft was the most highly stressed part of the entir...

Calibration Of Pyrometer With Common Salt
An easy and convenient method for standardization and one whi...

Flange Shields For Furnaces
Such portable flame shields as the one illustrated in Fig. 1...

Hardening
Steel is hardened by quenching from above the upper critical....

Quenching The Work
In some operations case-hardened work is quenched from the bo...

Cyanide Bath For Tool Steels
All high-carbon tool steels are heated in a cyanide bath. Wi...

Alloying Elements
Commercial steels of even the simplest types are therefore p...

Hardening
The forgings can be hardened by cooling in still air or quen...

Ebbw Vale And The Bessemer Process
After his British Association address in August 1856, Besseme...

Mushet And Bessemer
That Mushet was "used" by Ebbw Vale against Bessemer is, perh...



Pyrometers For Molten Metal






Category: 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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