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Steel Making

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

Complete Calibration Of Pyrometers
For the complete calibration of a thermo-couple of unknown e...

Preventing Cracks In Hardening
The blacksmith in the small shop, where equipment is usually ...

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

Rate Of Absorption
According to Guillet, the absorption of carbon is favored by ...

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

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

Hardening High-speed Steel
In forging use coke for fuel in the forge. Heat steel slowly ...

The Forging Of Steel
So much depends upon the forging of steel that this operation...

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

Steel Worked In Austenitic State
As a general rule steel should be worked when it is in the a...

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

Effect Of A Small Amount Of Copper In Medium-carbon Steel
This shows the result of tests by C. R. Hayward and A. B. Joh...

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

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

Carburizing Low-carbon Sleeves
Low-carbon sleeves are carburized and pushed on malleable-ir...

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

Case-hardening Treatments For Various Steels
Plain water, salt water and linseed oil are the three most co...

Temperature Recording And Regulation
Each furnace is equipped with pyrometers, but the reading an...

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

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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