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Steel Making

Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer
For extremely high temperature, the optical pyrometer is lar...

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

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

SULPHUR is another element (symbol S) which is always found i...

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

Heating Of Manganese Steel
Another form of heat-treating furnace is that which is used ...

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...

Hardness Testing
The word hardness is used to express various properties of me...

Carbon Steels For Different Tools
All users of tool steels should carefully study the different...

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

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

Highly Stressed Parts
The highly stressed parts on the Liberty engine consisted of ...

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

A combination of the characteristics of nickel and the charac...

William Kelly's Air-boiling Process
An account of Bessemer's address to the British Association w...

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

Affinity Of Nickel Steel For Carbon
The carbon- and nickel-steel gears are carburized separately...

High-carbon Machinery Steel
The carbon content of this steel is above 30 points and is ha...

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

Composition Of Transmission-gear Steel
If the nickel content of this steel is eliminated, and the pe...

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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