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Steel Making

Annealing Method
Forgings which are too hard to machine are put in pots with ...

Impact Tests
Impact tests are of considerable importance as an indication ...

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

Heat-treating Equipment And Methods For Mass Production
The heat-treating department of the Brown-Lipe-Chapin Company...

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

Tempering Round Dies
A number of circular dies of carbon tool steel for use in too...

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

The Thermo-couple
With the application of the thermo-couple, the measurement of...

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

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

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

Hardening Carbon Steel For Tools
For years the toolmaker had full sway in regard to make of st...

Blending The Compound
Essentially, this consists of the sturdy, power-driven separa...

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

This steel like any other steel when distorted by cold worki...

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

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

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

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

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

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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