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   Home - Steel Making - Categories - Manufacturing and the Economy of Machinery

Steel Making

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

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

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

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

Robert Mushet
Robert (Forester) Mushet (1811-1891), born in the Forest of D...

Composition Of Transmission-gear Steel
If the nickel content of this steel is eliminated, and the pe...

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

Critical Points
One of the most important means of investigating the properti...

Correction By Zero Adjustment
Many pyrometers are supplied with a zero adjuster, by means ...

Carbon In Tool Steel
Carbon tool steel, or tool steel as it is commonly called, us...

Annealing Alloy Steel
The term alloy steel, from the steel maker's point of view, r...

Furnace Data
In order to give definite information concerning furnaces, fu...

Annealing To Relieve Internal Stresses
Work quenched from a high temperature and not afterward tempe...

A Chromium-cobalt Steel
The Latrobe Steel Company make a high-speed steel without tun...

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

Annealing Of Rifle Components At Springfield Armory
In general, all forgings of the components of the arms manufa...

Non-shrinking Oil-hardening Steels
Certain steels have a very low rate of expansion and contract...

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

Annealing Work
With the exception of several of the higher types of alloy s...

Oil-hardening Steel
Heat slowly and uniformly to 1,450 deg.F. and forge thorough...



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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