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0概述南汽从意大利引进的Sofim发动机凸轮轴系冷激凸轮轴，该产品由原西德生产，属第三方技术，所以从FIAT引进的资料中无此产品铸造工艺方面的技术资料，仅有该产品在材质方面的技术条件。离凸轮桃尖2mm处的硬度要求在45HRC以上，桃尖处的激冷层深度要求为6～15mm；凸轮中心钱
0 Overview Sofim imported from Italy, the engine camshaft cold camshaft, the product by the original West German production, is a third-party technology, so the information from the introduction of FIAT no casting technology information on this product, only The product in the material aspects of the technical conditions. 2mm away from the cam peach tip hardness requirements at 45HRC above, peach tip chill depth requirements of 6 ~ 15mm; cam center money