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Steel Making

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

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

Reheating for machine ability was done at 100 deg. less than ...

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

Preventing Carburizing By Copper-plating
Copper-plating has been found effective and must have a thick...

The Modern Hardening Room
A hardening room of today means a very different place from ...

High Speed Steel
For centuries the secret art of making tool steel was handed ...

The Effect Of Tempering On Water-quenched Gages
The following information has been supplied by Automatic and ...

Gas Consumption For Carburizing
Although the advantages offered by the gas-fired furnace for ...

Martien was probably never a serious contender for the honor ...

SILICON is a very widespread element (symbol Si), being an es...

Steel Can Be Worked Cold
As noted above, steel can be worked cold, as in the case of ...

Lathe And Planer Tools
TO FORGE.--Gently warm the steel to remove any chill is parti...

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

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

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

Hints For Tool Steel Users
Do not hesitate to ask for information from the maker as to t...

Effects Of Proper Annealing
Proper annealing of low-carbon steels causes a complete solu...

Non-shrinking Oil-hardening Steels
Certain steels have a very low rate of expansion and contract...

Heat-treating Department
The heat-treating department occupies an L-shaped building. ...

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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