Introduced bearing heat treatment
Posted by admin on 九月 2nd, 2010Heat treatment have a direct bearing on the quality of subsequent processing quality parts eventually affect performance and life, while heat is the energy consumption of machinery industry, large and polluters. In recent years, with the advancement of science and technology and its application for heat treatment, heat treatment technology in the following areas:
(1): Heat: Heat treatment process of the formation of waste water, waste gas, waste salt, dust, noise and electromagnetic radiation Dengjun causes environmental pollution. Solution heat treatment of environmental pollution, the implementation of clean heat treatment (heat treatment, or green) is the developed countries, the developing direction of heat treatment technology. In order to reduce SO2, CO, CO2, coal dust and emissions, has basically put an end to the use of coal as fuel, heavy fuel oil use less and less, instead of mostly light oil, natural gas remains the most desirable fuel. The use of waste heat burner has reached a high degree of structural optimization and the burner air – fuel ratio of strict control to ensure a reasonable premise of combustion, so that NOX and CO decreased to Tensioner Bearings va minimum; use of gas carburizing, carbonitriding and vacuum heat treatment technology to reduce waste treatment alternative to salt bath containing salt and CN-are toxic contamination of water sources; using synthetic water-soluble quenching oil to replace part of the quenching oil, used vegetable oil instead of part of biodegradable mineral oil to reduce oil pollution.
(2): Precision heat treatment: precision heat treatment there are two Cylindrical Roller Bearings meanings: one is based on the use of required parts, materials, structure size, the use of physical metallurgy knowledge and advanced computer simulation and testing technology, optimization of process parameters, to achieve the required performance or to maximize the potential of the material; the other hand, fully Needle Roller Bearings guarantee the stability of optimization technology to achieve dispersion of product quality, small (or zero), and heat distortion is zero.
(3): energy-saving heat treatment: scientific production and energy efficient use of energy management is the most potential factors, the establishment of specialized heat treatment plant to ensure full capacity, give full play to Shebei capacity is the scientific management Xuanze. In the heat energy structure, the first choice of primary energy; full use of waste heat, waste heat; with low energy consumption, short cycle process instead of a long cycle, energy consumption and in workmanship.
(4): no oxidation heat treatment: heating the atmosphere by the use of alternative oxidation protection of the atmosphere heated to a precise control of carbon potential, nitrogen potential of the controlled atmosphere heating, heat treatment to improve the performance of parts, heat treatment defects, such as removal, crack greatly reduced left after finishing treatment reduced, improving the utilization of materials and machining efficiency. Vacuum plus hot air quenching, vacuum or low pressure carburizing, nitriding, nitrocarburizing and boron penetration can significantly improve quality and reduce distortion, improving life.
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