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Bessemer Process
The bessemer process consists of charging molten pig iron int...

Judging The Heat Of Steel
While the use of a pyrometer is of course the only way to hav...

Rate Of Cooling
At the option of the manufacturer, the above treatment of gea...

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...

Sulphur
SULPHUR is another element (symbol S) which is always found i...

Compensating Leads
By the use of compensating leads, formed of the same materia...

Detrimental Elements
Sulphur and phosphorus are two elements known to be detrimen...

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

Testing And Inspection Of Heat Treatment
The hard parts of the gear must be so hard that a new mill f...

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

Carbon-steel Forgings
Low-stressed, carbon-steel forgings include such parts as car...

Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer
For extremely high temperature, the optical pyrometer is lar...

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

Silicon
Silicon prevents, to a large extent, defects such as gas bubb...

Properties Of Steel
Steels are known by certain tests. Early tests were more or l...

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

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

Heat Treatment Of Steel
Heat treatment consists in heating and cooling metal at defin...

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

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



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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