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Steel Making

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

Rate Of Absorption
According to Guillet, the absorption of carbon is favored by ...

Placing Of Pyrometers
When installing a pyrometer, care should be taken that it re...

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

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

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

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

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

Case-hardening Treatments For Various Steels
Plain water, salt water and linseed oil are the three most co...

Cutting-off Steel From Bar
To cut a piece from an annealed bar, cut off with a hack saw,...

Process Of Carburizing
Carburizing imparts a shell of high-carbon content to a low-...

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

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

Properties Of Alloy Steels
The following table shows the percentages of carbon, manganes...

William Kelly's Air-boiling Process
An account of Bessemer's address to the British Association w...

Surface Carburizing
Carburizing, commonly called case-hardening, is the art of pr...

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

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

Affinity Of Nickel Steel For Carbon
The carbon- and nickel-steel gears are carburized separately...

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



Blending The Compound






Category: HEAT TREATMENT OF STEEL

Essentially, this consists of the sturdy, power-driven separator
and fanning mill which separates the foreign matter from the compound
and elevates it into a large settling basin which is formed by
the top of the steel housing that incloses the apparatus. After
reaching the settling basin, the compound falls by gravity into
a power-driven rotary mixing tub which is directly beneath the
settling basin. Here the blending is done by mixing the proper
amount of various grades of material together. After blending the
compound, it is ready to be stored in labeled containers and delivered
to the packing room.

It will be seen that by this simple system there is the least possible
loss of energy from the compound. The saving commences the moment
the cooling cart is covered and preserves the valuable dust which is
saved by the oiling and the settling basin of the blending machine.

Then, too, there is the added convenience of the packers who have
a thoroughly cleaned, dustless, and standardized product to work
with. Of course, this also tends to insure uniformity in the
case-hardening operation.

With this outfit, one man cleans and blends as much compound in
one hour as he formerly did in ten.





Next: Heat Treatment Of Steel

Previous: Separating The Work From The Compound



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