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1、附录二：英文及译文Hardened Gear一 on the gearbox input shaft, intermediate shaft and output shaft of the Stress Analysis of a variety of gearGrowth of wind power gear box, and its bearings by leaf mass input from the axial force, torque and torque subversion. Intermediate shaft input gear bearing Chuan from t
2、he output of torque and braking from the brake torque Chuan. Output shaft of the gear shaft bearing mass from the middle of the torque output at the same time bear the braking caused by brake torque.二 On a common gear box gear materials and their performance analysisWind power generation growth in t
3、he gear box, gear commonly used materials for low-carbon alloy steel, re-gear companies commonly used 20CrMnTi, 20CrMnMo, 17CrNiMo6 and other materials; 42CrMoA materials used inside the ring gear. Carbon content of the surface affect the bending strength. The depth of carburized layer in some cases
4、, the center increased the hardness, bending strength increases; when the carburized layer at the same time organizations, to increase the depth of carburized layer, the flexural strength increased; in the carburized layer depth and the center the same hardness, nickel steel flexural strength than o
5、ther high strength steel bending; carburizing layer level increases the carbon content reduced flexural strength.2、Multi-gear change of fatigue strength due to fatigue loads and damage, such as damage to the tooth root bending fatigue combined tooth surface contact fatigue damage. Factors that affec
6、t the fatigue damage are:（1）The center of the hardness (strength) （2）Carburization of the oxide layer when the carburizing steel containing titanium, silicon, manganese and alloy elements, such as, and in an atmosphere of endothermic carburizing carburizing of easily formed when oxides of these elem
7、ents, they exist in the grain boundary or crystal internal tablets. Oxides of these elements in the vicinity of depleted, reducing the hardenability. This oxide will become the core of the product of high temperature change, resulting in the formation of quenching on the surface after a number of no
8、n-martensitic product which reduces the hardness of the surface.（3）Carburization of the carbide layer the number of carbon content, size, shape and distribution of carburizing steel contact fatigue and bending fatigue performance of both the impact will be significantly reduced mesh carbide carburiz
9、ing bending fatigue properties of steel.（4）Carburized layer of residual austenite of low intensity residual austenite itself, its existence is also beneficial to reduce the fatigue properties of the residual compressive stress, the carburizing layer residual austenite in fatigue performance will be
10、reduced, but by rolling and will increase the fatigue strength of shot peening.三 Hardened gears running characteristics and Notes Chongqing Gearbox Co., Ltd., was built in the mid-sixties. The main design and manufacture of marine gear box, coupling, clutch and so on. Ship, is the flow of water the
11、city is a microcosm of a modern industrial country. Its high-performance, high-tech requirements, the decision of the gear box technology in the design and manufacture of other industrial sectors in the first follow-up the worlds advanced level of technology. So the first few from the plant in accor
12、dance with the manufacture of hardened gear design process with equipment.Since reform and opening up, in order to adapt to the development of Chinas shipbuilding industry, in the early eighties, late seventies, the introduction of the German Roman Stoltenberg Ford (short LUS) of the marine gear box
13、 drawings, standards, computer software and design and manufacturing technology; power plants to address the issue of the introduction of torsional vibration Geislinger Austrias Geislinger coupling, vibration isolator design and manufacturing techniques and procedures for computing torsional vibrati
14、on; then Shipbuilding Industry Corporation, will introduce Sulzer, Germany Mann, the French Society of heat engine, such as Japan made the gear oil to the drawings, the standard to put my company, my company by digesting and absorbing production. Design and manufacturing companies in their own exper
15、ience-hardened gear based on the digestion and absorption of imported technology, transplantation, development and innovation. To ensure the advanced technology and advanced the implementation of international standards, the company continued to carry out technical transformation of the plant. 30 ye
16、ars of development, so that Chongqing Gearbox Co., Ltd. have hardened the worlds most advanced computing technology gear design; the establishment of the international advanced standards as the main body of the design, manufacture, testing, inspection standards, norms system; Has a complete matching to ensure the advanced standards, and standardize the implementation of the mechanical processing, heat treatment, test measurement equipment; At the same
