The FAG bearing directly relates the following heat treatment processing quality, thus finally affects the components the performance and the life, the FAG bearing and the FAG bearing thermal big production energy consumes and pollutes in a big way.The FAG bearing heat treatment equipment heat treatment affects the FAG bearing directly the quality, as well as energy consumption and pollution.In recent years, along with the technology, the heat treatment technology trend of development had following several aspect progress:
(1) clean heat treatment waste water, the waste gas, the abraum salt, oil and electromagnetic radiation environment and so on formation cause the pollution.The solution to the environment pollution heat treatment, the clean heat treatment (or green heat treatment) has realized one of heat treatment technology development directions.This atmosphere heat treatment, the quenching oil, the decontaminatin unit, set the very high request.
(2) precise heat treatment craft comprehensive optimization, had guaranteed the product quality stability, realizes dispersible small (or zero), the thermal deformation is a zero, reduces the grinding allowance enhancement production efficiency, saves the material.Must have the good temperature regarding the precise heat treatment to be even, temperature control precision and good cooling hardening agent and stable.The precise FAG bearing, achieved whole quenching and the heat treatment may adopt two way induction hardening.
(3) uses the new energy conservation thermal insulation material the heat treatment equipment, enhances the energy use efficiency; The optimized heat treatment craft, enhances system Cheng Lianglv, the entire journey equipment ability.All does this in this stage FAG bearing manufacturer, like the afterheat full use experiment, the afterheat, some factories already used forging ball FAG to import the bearing hot annealing, the low energy consumption, the technical process short period replacement cycle was long, energy consumption process and so on; The next bainite quenching craft to a certain extent in certain scope and the shorter bainite quenching craft, substituted the cycle to be long, energy consumption and cementation process.
(4) few nonoxidation atmosphere heating substitution heats the use heating to the oxidized carbon, nitrogen controllable atmosphere heating potential accuracy control atmosphere protection processing, the heat treatment part enhances the performance, if the hot flaw oxidation, the decarbonization, the crack reduces greatly, after reduces the heat treatment the precision work, enhances amount which the material use factor and the mechanical efficiency stay behind.The vacuum adds the quench hot, the vacuum or the low pressure cementation, azotize, the nitrogen carbon altogether infiltrates and the boronization and so on may improve the work piece quality obviously, reduces the distortion, enhances the life.
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