2012年12月1日星期六

Bearing processing and heat treatment development course


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engine bearings - China Manufacturer
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(1) clean heat treatment industrial bearings
Heat treatment production form of waste water, waste gas, FeiYan, dust, noise and electromagnetic radiation, which impact on the envir onment pollution. Solve the heat treatment problems of environmental pollution, and implement clean heat treatment (or called the green environmental protection heat treatment) is developed countries heat treatment technology development of one of the direction. To reduce SO2, CO, CO2, dust and cinder emissions, has basically eliminate the use of coal as fuel, fuel oil use is less and less, to switch to the majority of light oil, natural gas, is still the most ideal fuel.
Combustion furnace of waste heat recovery has reached a high degree, burner structure optimization and air fuel ratio - the strict control to ensure the reasonable under the premise of combustion, NOX and CO reduced to a minimum; Using gas carburizing and carbonitriding and vacuum heat treatment technology replace salt bath treatment to reduce FeiYan and contain CN - have poison for water pollution; The synthesis of water-soluble quenching oil instead of part of the quenching oil, use biodegradable veg etable oil instead of part of the mineral oil in order to reduce oil pollution.china bearing company
(2) the precision heat treatment
Precision heat treatment have two meanings: on the one hand is the use of parts according to the requirements, material, structure, size and use of physical metallurgy knowledge and advanced computer simulation and testing technology, optimization of process parameters, achieve desired performance or maximize the potential of materials; On the other hand is fully guarantee the stability of the optimization of process, to realize the product quality dispersion degree is small (or zero) and heat treatment distortion is zero.bearing factory in china
(3) energy saving heat treatment
Scientific production and energy management is energy to make use of effectively of the most potential factors, the est ablishment of professional heat treatment plant to ensure full load production, give full play to the equipment ability is the choice of scientific management. In the heat treatment energy structure, preference primary energy; Make full use of waste heat, waste heat; The low consumption, cycle short process instead of a long life cycle, energy consumption process, etc.
(4) less no oxidation heat treatment
By using protective atmosphere heating alternative oxidation atmosphere heating to precise control of carbon potential, nitrogen potential controlled atmosphere heating, heat treatment of parts and the performance improved, heat treatment defect such as decarburization, crack etc decrease greatly, heat treatment after finishing allowance to reduce and improve the material utilization ratio and the machining efficiency. Vacuum add heat quenching, vacuum or low pressure carburizing, nitriding, nitrogen, carbon were permeability and boriding etc can obviously improve the quality, reduce the distortion and improve life.tool bearings

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