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Steel Making

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

Protective Screens For Furnaces
Workmen needlessly exposed to the flames, heat and glare from...

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

Piston Pin
The piston pin on an aviation engine must possess maximum res...

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

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

Placing The Thermo-couples
The following illustrations from the Taylor Instrument Compan...

Double Annealing
Water annealing consists in heating the piece, allowing it to...

Although it is possible to work steels cold, to an extent de...

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

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

The Packing Department
In Fig. 56 is shown the packing pots where the work is packe...

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

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

Using Illuminating Gas
The choice of a carburizing furnace depends greatly on the fa...

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

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

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

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

Standard Analysis
The selection of a standard analysis by the manufacturer is t...

Blending The Compound


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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