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Heat Treatment Of Lathe Planer And Similar Tools
FIRE.--For these tools a good fire is one made of hard foundr...

Preparing Parts For Local Case-hardening
At the works of the Dayton Engineering Laboratories Company, ...

Fatigue Tests
It has been known for fifty years that a beam or rod would fa...

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

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

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

Phosphorus
PHOSPHORUS is an element (symbol P) which enters the metal fr...

Care In Annealing
Not only will benefits in machining be found by careful anne...

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

Molybdenum
Molybdenum steels have been made commercially for twenty-five...

Uses Of The Various Tempers Of Carbon Tool Steel
DIE TEMPER.--No. 3: All kinds of dies for deep stamping, pres...

Chromium
Chromium when alloyed with steel, has the characteristic func...

Detrimental Elements
Sulphur and phosphorus are two elements known to be detrimen...

Separating The Work From The Compound
During the pulling of the heat, the pots are dumped upon a ca...

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

Correction By Zero Adjustment
Many pyrometers are supplied with a zero adjuster, by means ...

Pyrometers For Molten Metal
Pyrometers for molten metal are connected to portable thermoc...

Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...

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

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



Cutting-off Steel From Bar






Category: HIGH-SPEED STEEL

To cut a piece from an annealed bar, cut off with a hack saw, milling
cutter or circular saw. Cut clear through the bar; do not nick or
break. To cut a piece from an unannealed bar, cut right off with
an abrasive saw; do not nick or break. If of large cross-section,
cut off hot with a chisel by first slowly and uniformly heating
the bar, at the point to be cut, to a good lemon heat, 1,800 to
1,850 deg.F. and cut right off while hot; do not nick or break. Allow
the tool length and bar to cool before reheating for forging.





Next: Lathe And Planer Tools

Previous: Hardening High-speed Steels



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