Cryogenic Processing Capabilities
May 1, 2014
CryoPlus Inc. offers services designed to improve performance and increase the life of metalcutting tools, blades, punches, dies, slitters, shears and knives with cryogenic processing at -300 °F.
"Cryo processing increases abrasive wear resistance, raises the tensile strength and decreases brittleness with only one permanent treatment," said a company spokesperson. "It creates a denser molecular structure and closes the grains structure, resulting in a larger contact surface area that reduces friction, heat and wear. Cryogenic treatment changes the entire structure, not just the surface. Subsequent refinishing or regrinding operations do not affect the permanent improvements of the processing.
"When the cryo treated tool does wear, the degree of wear reportedly is less severe, slower and more uniform. Therefore, less material must be removed to re-sharpen it. Customers have reported a material removal rate of less than half the normal material removed in re-sharpening. Cryo treating reduces the cost of the product by having longer tool life, less scrap, fewer rejections and above all, less costly downtime."
CryoPlus uses a dry process that is computer controlled, using a prescribed schedule and maintained at -300 °F for a particular time before slowly returning the parts to room temperature. After being subjected to the deep freeze, the materials must be tempered to about +300 °F.
CryoPlus Inc. has been cryogenically treating broaches and drills for an Ohio company. "Its manufacturing engineer stated that his two broaches have broached over 500 rotors and are still cutting clean," said the spokesperson. "Untreated broaches needed to be re-sharpened at a cost of $234 after 200 rotors. Their operators were plunge drilling with Cleveland Twist TiN coated 12 inch and 18 inch long drills and continually breaking them. The drills have more than double the life. They were particularly impressed with what cryogenic processing has done for premium quality H13 molds. Molten aluminum is poured into the molds to cast rotors. Exposed to very high temperatures, molds are usually susceptible to heat checks since the aluminum starts sticking and it is harder to release the casting from the mold. The mold has not shown that type of wear and it should have. It has not shown any type of heat checking."
For more information contact:
CryoPlus, Inc
2429 N. Millborne Rd
Wooster, OH 44691
330-683-3375
www.cryoplus.com
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