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Improve the contact fatigue life of bearing steel smelting technology progress

Step to increase the amount of bottom blowing. To the development of top-bottom blowing and blowing phase junction complex Tin Taiwan to improve the stirring effect of mixing method, for Argon RH vacuum degassing treatment after treatment to effectively reduce the actinides in the gas and non-metallic inclusion content Finally, even the shop . The ELVAC production structure such as bearing steel GCr15 contact fatigue life is improved, L10 parameters for conventional electric furnace steel doubled. Under the same life expectancy in the bearing load can be improved. 2.4 West ■ bad bearing steel ladle refining technology actinides West State 弗赖塔尔特 a joint production plant ladle refining station device (PMA), adoption or rejection Finkl · Mohr 【VAD method. The device consists of two ladle refining of steel capacity of 29t or a pre-melting equipment 4Ot, a ladle heating and degassing device (LF / AD) and a vacuum refining device (VOD) form. Package for basic brick lining of steel and has a gate and dumped argon or ammonia to Huan porous bottom brick. Ladle the joint device has been developed to complete the process of mechanization and computing technology rejection and laboratory equipment connected to a computer. Two K1030-type process computer process at a pre-given and Taiwan Golden calculated, so that the cost of the best of Liu Diego. Taijin,stivali ugg, baking agents, energy,ugg stivali, argon gas, the process temperature. Time to run for long distance transmission of data stored and printed report of all the experimental data metallurgy. Weighing the amount of data and statistics are done by a process computer. No. 4 321 992 III Conclusion To meet the bearing fatigue life also need to continue to improve, we must explore new ways, such as further through the bearing steel smelting and refining technology advances to improve the metallurgical quality. In this paper an overview of the recent foreign metallurgical quality control in terms of bearing steel bearing fatigue life will be raised to a new level of research information. Bearing steel production for domestic use for reference the text reference and He [1] ~ kesson, J. & Lund. T, BallBearingJournal (1983), 32 (217) [2] The more green cane, skull A. Shigenobu, \,ugg milano, (F bags UAE steel) 1974,45 (1) · 37 ['] NorwoodJ. I. JCummins, R. . ISIPub-Iication1968, 11It1D5 【5] Cook. W. T. , IronandsteeI1970, 43f6) {863 [6] peak of the heap so the public, (especially dill and even reported that the Japanese public) Zhao 55--41910 [7] MA Chang-like, pre-established ancestral habitat and Shanghai metal trowel 1990.12 (3) -9 【8] Silicon JllM:. Other '(at a rich mix Decatur newspaper) Ho0.272349l986 [9] Kroon. A & Nfltze 【. H, BallBearingJournal, SpecialIssue - 1989, 40: l0] GcrhardScharfetaI. NeueH ~ Itte1988 (12); 460 - 465 [11] to bite poB. E. Towel. Ⅱ. p. CTahi989 ( Cool

. 29m32 [12] C Ⅱ which b Ⅱ HE song. B. A. H. p. CTa. ~ S1988. (5) {26-29 [13] Ⅱ at eB, B. II. MBmqepMet. 1988 (22) {39Z14] JIHc10 Ⅱ B Ⅱ, B. M. Ⅱ p. CTa. ~ S1989,ugg prezzo, \Hp. Blo. ~. qep. MeT. 1988 (2) I27-28 [1B] Magcyzos. P. Towel Ⅱ p. B ∞ n. qep. MeT1988 (\qep.MeT.1988. (2) I27zig] C06E Day, C. M. Hnp, Ct such as the h1988,ed hardy, (5) -38 a n [2 small catch is anxiety, Zhongshan. feud, new stomach element, fluorine Buddhist monk's robe steel sea turtle 1984. 5; (2) 103 [zi] Suda re-Yan 'Sheng Zhongshan light. Lu F bags actinides 1990.81 \Materials mouth seven home 1989,2 (5) l1859 ●

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