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Steel Making

Drop Forging Dies
The kind of steel used in the die of course influences the he...

Annealing In Bone
Steel and cast iron may both be annealed in granulated bone. ...

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

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

Connecting Rods
The material used for all connecting rods on the Liberty engi...

Flange Shields For Furnaces
Such portable flame shields as the one illustrated in Fig. 1...

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

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

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

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

Effect Of Different Carburizing Material
[Illustrations: FIGS. 33 to 37.] Each of these different p...

Heavy Forging Practice
In heavy forging practice where the metal is being worked at...

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

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

A Satisfactory Luting Mixture
A mixture of fireclay and sand will be found very satisfactor...

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

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

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

Steel For Chisels And Punches
The highest grades of carbon or tempering steels are to be re...

Temperature For Annealing
Theoretically, annealing should be accomplished at a tempera...

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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