Alberta – Edmonton – Edmonton
Corporation
www.cryotron.com
Alberta
Edmonton
Edmonton
Corporation
active
Manufacturer and Global distributor of Cryogenic Processing Systems.
Our technology is used to prolong the usable life of machine tooling, dynamic parts and a variety of other materials Cryogenic Processing Cryogenic treatment of metals to improve wear characteristics is a relatively new engineering field. To date little has been reported on the basic mechanisms of the process. In recent years, we have seen an increase in the use of cryogenics (a result of Aerospace Research) to improve the wear resistance and durability of various metals.
Cryotron has developed a unique method for treating a variety of commonly used tool steels and parts. The Cryotron method, unlike a surface coating, is a one-time permanent treatment that affects the material throughout. Re-sharpening or redressing of worn tools does not destroy the effects of the treatment. Tools may be new, used, sharp or dull, prior to treatment.
Every industry has some application for the use of cryogenic metal treatment -- to increase tool and part life, to decrease downtime due to change-out and regrinding, and to reduce costly tool inventory. Cryotron's cryogenic treatment will result in significant savings to industry and consequently reduce the tremendous drain and usage of Energy, Natural Resources and Raw Materials. The Cryotron process is completely environmentally friendly.
Cryotron manufactures several models of Cryogenic Processors and sub-zero coolers for domestic and international markets in both the metallurgical and aerospace industries. We can provide a liquid immersion system in which the parts will be slowly drawn down to the temperature of liquid nitrogen where then the LN2 in its liquid form will be introduced and immerse the parts for a full and complete cryogenic process. Also, we can provide a completely dry sub-zero/cryogenic LN2 cooled processor and/or parts testing machine in which no LN2 will come in contact with the parts. The machines can be custom designed to suit any temperature capabilities between ambient and -185°C.
Cryotron also manufactures the post tempering ovens required after cryogenics to stabilize the newly formed grain structure of steels. From front load to custom top loading machines, Cryotron can custom build whatever it is your company requires.
Country of Ownership: Canada
Year Established: 1996
Exporting: Yes
Primary Industry (NAICS): 332999 - All Other Miscellaneous Fabricated Metal Product Manufacturing
Alternate Industries (NAICS): 332810 - Coating, Engraving, Heat Treating and Allied Activities
333519 - Other Metalworking Machinery Manufacturing
333990 - All Other General-Purpose Machinery Manufacturing
Primary Business Activity: Manufacturer / Processor / Producer
Total Sales ($CDN): $1,000,000 to $4,999,999
Export Sales ($CDN): $1,000,000 to $4,999,999
Number of Employees: 5
Services:
Cryogenic processing
Products:
Cryogenic processing equipment
Technology:
The Cryotron process is based on a predetermined thermal cycle that involves cooling of the tools/parts in a completely controlled cryogenic chamber. The material is slowly cooled to -196°C (320°F) and "soaked" at that deep cryogenic temperature for 20-40 hours. The material is then allowed to return very slowly to ambient temperature. The complete cryogenic cycle can take up to 72 hours to complete. This procedure of precisely controlled temperature profiles avoids any possibility of thermal shock and thermal stress that is experienced when a tool or part is subjected to abrupt or extreme temperature changes. Though liquid nitrogen is used as a refrigerant, no material is introduced to liquid until it has been slowly cooled to cryogenic temperatures by ultra-cold nitrogen gas.
The Cryotron procedure eliminates the need to apply protective coatings, such as WD-40, to materials prior to cryogenic treatment. Moisture does not accumulate in a Cryotron chamber.
Cryogenic processing is not a substitute for heat treatment, but rather an extension of the heating / quenching / tempering cycle. In most instances a heat tempering procedure follows the cryogenic cycle. As all alloys do not have the same chemical constituents, the tempering procedure varies according to the materials chemical composition, thermal history and/or a tool's particular service application.
Results - Benefits
Cryogenically treated materials show a marked increase in wear resistance without any discernible change in dimensional or volumetric integrity. Machining treated material is easier and cleaner. Redressing or regrinding treated tools removes less stock material resulting in longer tool life. Although the material is stronger following treatment, it shows little or no change in yield or tensile strength. The treated material becomes less brittle, without a change in original hardness. The most significant and consistent change is the increased toughness, stability and wear resistance. The Process is also used extensively to relieve residual and tensile stresses.
Two main changes in the microstructure of the steel occur as a result of Cryogenic Treatment. These changes are the principal reasons for the dramatic improvement in wear resistance.
First, retained austenite - (a softer grain structure always present after heat treatment) is transformed into the harder, more durable grain structure - martensite. The range of retained austenite in a material after heat treating may be as high as 50 % or as low as 3 %. The amount depends on the heat treating operator and the accuracy of the heat treating equipment.
Sector:
Success Stories: Other Relevant Information: Cryotron Corporation has developed a customer list of over 200 clients that consistently use our services. The proven technology of cryogenic processing has generated a rapidly growing market. The demand for processing has created a market demand for equipment. Cryotron Processing Equipment is recognised as an industry leader in this developing technology. Cryotron supports the following Industries: Machining and Manufacturing - Cryogenic Processing of Machine Tooling to extend useful life.
Forestry - Cryogenic processing of dynamic parts and Machine Tooling. The process substantially
reduces unscheduled downtime and increases productivity.
Oil - Gas - Increases the life of perishable tooling such as slip inserts, down-hole tools, and equipment parts.
Cryotron Cryogenic Systems are in place with several major manufacturers in the US, Africa, Europe, and Asia. Details provided on request.
- A major Alberta Sawmill Operation has reduced a particular tooling cost by $10,000 annually by utilizing Cryotron's unique cryogenic process.
- A Major Canadian Culvert Supplier cuts cost of Mill Saw blades by $26,000 annually.
- A major Canadian manufacturer improves manufactured parts and gains a much greater market segment.
Holts Darcy
Skoropadska Olga
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