Thermal Energy Machining (TEM) is a very fast and highly economical method of deburring and deflashing a wide variety of materials, especially components with multiple burrs or large areas of casting flash and medium to very high production volume.
TEM uses intense heat to deburr and/or deflash parts of all shapes and sizes. Parts to be processed are sealed in a chamber which is pressurized with a mixture of natural gas and oxygen that completely envelopes the parts and surrounds burrs and flash, regardless of external, internal or blind hole location. The mixture, ignited by a spark plug, creates a transient burst of intense heat, and burrs or flash, because of their high ratio of surface area to mass, are raised to a temperature above auto-ignition point and burst into flames.
Excess oxygen in the chamber combines with the burrs to produce an oxide powder and continues until the temperature of each burr drops below the ignition point as the flame reaches the main body of the part. The oxidation is of short duration, not long enough to significantly change parts dimensionally or metallurgically. The burrs and flash, redistributed all over the part as oxide of the material can, if required, be cleaned away. TEM has the unique ability of removing burrs and flash without affecting parent metal surfaces.
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