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Cryogenic deflashing is a deflashing process that uses cryogenic temperatures to aid in the removal of flash on cast or molded workpieces. These temperatures cause the flash to become stiff or brittle and to break away cleanly. Cryogenic deflashing is the preferred process when removing excess material from oddly shaped, custom molded products.
The cryogenic treatment process was invented by Ed Busch (CryoTech) in Detroit, Michigan in 1966, inspired by NASA research, which later merged with 300 Below, Inc. in 2000 to become the world's largest and oldest commercial cryogenic processing company after Peter Paulin of Decatur, IL collaborated with process control engineers to invent the world's first computer-controlled "dry" cryogenic ...
The process of removing flash, known as deflashing, is commonly performed via cutting, breaking, grinding, or tumbling. Some foundries use robot autogrinders to remove this unwanted material. Some foundries use robot autogrinders to remove this unwanted material.
Secondary operations to remove parting line flash include hand trimming, vibratory tumbling, media blasting and cryogenic deflashing. [2] References
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Time-temperature transformation (TTT) diagram. The red line shows the cooling curve for austempering. Austempering is heat treatment that is applied to ferrous metals, most notably steel and ductile iron.
Quench polish quench (QPQ) is a specialized type of nitrocarburizing case hardening that increases corrosion resistance. It is sometimes known by the brand name of Tufftride, Tenifer or Melonite. [1]
Drop-bottom cupola furnace Personal protective equipment to shield from radiant heat and molten splashes. Cupola furnaces were built in China as early as the Warring States period (403–221 BC), [4] although Donald Wagner writes that some iron ore melted in the blast furnace may have been cast directly into molds.