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

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

Open Hearth Process
The open hearth furnace consists of a big brick room with a l...

Silicon
SILICON is a very widespread element (symbol Si), being an es...

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

Hardening
The forgings can be hardened by cooling in still air or quen...

Hardening High-speed Steels
We will now take up the matter of hardening high-speed steels...

Non-shrinking Oil-hardening Steels
Certain steels have a very low rate of expansion and contract...

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

The Leeds And Northrup Potentiometer System
The potentiometer pyrometer system is both flexible and subst...

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

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

Carbon In Tool Steel
Carbon tool steel, or tool steel as it is commonly called, us...

Short Method Of Treatment
In the new method, the packed pots are run into the case-har...

Critical Points
One of the most important means of investigating the properti...

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

Annealing
ANNEALING can be done by heating to temperatures ranging from...

Calibration Of Pyrometer With Common Salt
An easy and convenient method for standardization and one whi...

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

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



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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