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Forging High-speed Steel
Heat very slowly and carefully to from 1,800 to 2,000 deg.F....

Heat-treating Department
The heat-treating department occupies an L-shaped building. ...

Quenching Tool Steel
To secure proper hardness, the cooling of quenching of steel ...

Lathe And Planer Tools
TO FORGE.--Gently warm the steel to remove any chill is parti...

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

The Forging Of Steel
So much depends upon the forging of steel that this operation...

Correction For Cold-junction Errors
The voltage generated by a thermo-couple of an electric pyrom...

Manganese
MANGANESE is a metal much like iron. Its chemical symbol is M...

Brown Automatic Signaling Pyrometer
In large heat-treating plants it has been customary to mainta...

The Penetration Of Carbon
Carburized mild steel is used to a great extent in the manufa...

Heat Treatment Of Punches And Dies Shears Taps Etc
HEATING.--The degree to which tools of the above classes shou...

Heat Treatment Of Lathe Planer And Similar Tools
FIRE.--For these tools a good fire is one made of hard foundr...

Protectors For Thermo-couples
Thermo-couples must be protected from the danger of mechanica...

Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...

Application To The Automotive Industry
The information given on the various parts of the Liberty eng...

Sulphur
Sulphur is another impurity and high sulphur is even a greate...

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

Phosphorus
PHOSPHORUS is an element (symbol P) which enters the metal fr...

Heat Treatment Of Gear Blanks
This section is based on a paper read before the American Gea...

Hardening High-speed Steel
In forging use coke for fuel in the forge. Heat steel slowly ...



Placing The Thermo-couples






Category: PYROMETRY AND PYROMETERS

The following illustrations from the Taylor Instrument Company
show different applications of the thermo-couples to furnaces of
various kinds. Figure 118 shows an oil-fired furnace with a simple
vertical installation. Figure 119 shows a method of imbedding the
thermo-couple in the floor of a furnace so as to require no space
in the heating chamber.



Various methods of applying a pyrometer to common heat-treatment
furnaces are shown in Figs. 120 to 122.





Next: Leeds And Northrup Optical Pyrometer

Previous: The Leeds And Northrup Potentiometer System



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