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

Steel Making

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

Hardening Operation
Hardening a gear is accomplished as follows: The gear is tak...

Molybdenum
Molybdenum steels have been made commercially for twenty-five...

Annealing
There is no mystery or secret about the proper annealing of d...

The Quenching Tank
The quenching tank is an important feature of apparatus in c...

Making Steel Balls
Steel balls are made from rods or coils according to size, st...

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

Fatigue Tests
It has been known for fifty years that a beam or rod would fa...

Steel Before The 1850's
In spite of a rapid increase in the use of machines and the ...

Carburizing By Gas
The process of carburizing by gas, briefly mentioned on page ...

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

Pyrometers
Armor plate makers sometimes use the copper ball or Siemens' ...

Steel For Chisels And Punches
The highest grades of carbon or tempering steels are to be re...

Quenching
It is considered good practice to quench alloy steels from th...

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

Hardness Testing
The word hardness is used to express various properties of me...

Quality And Structure
The quality of high-speed steel is dependent to a very great ...

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

Separating The Work From The Compound
During the pulling of the heat, the pots are dumped upon a ca...

Plant For Forging Rifle Barrels
The forging of rifle barrels in large quantities and heat-tre...



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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