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Steel Making

For Milling Cutters And Formed Tools
FORGING.--Forge as before.--ANNEALING.--Place the steel in a ...

Crankshaft
The crankshaft was the most highly stressed part of the entir...

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

Furnace Data
In order to give definite information concerning furnaces, fu...

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

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

Leeds And Northrup Optical Pyrometer
The principles of this very popular method of measuring tempe...

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

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

Process Of Carburizing
Carburizing imparts a shell of high-carbon content to a low-...

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

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

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

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

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

Placing The Thermo-couples
The following illustrations from the Taylor Instrument Compan...

Rate Of Cooling
At the option of the manufacturer, the above treatment of gea...

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

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

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



Correction By Zero Adjustment






Category: PYROMETRY AND PYROMETERS

Many pyrometers are supplied with
a zero adjuster, by means of which the pointer can be set to any
actual cold-junction temperature. If the cold junction of the
thermo-couple is in a temperature of 100 deg.F., the pointer can be
set to this point on the scale, and the readings of the instrument
will be correct.





Next: Compensating Leads

Previous: Correction For Cold-junction Errors



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