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发明公开
CN104791366A 曲轴、配置有该曲轴的涡旋式压缩机及曲轴的制造方法 无效 - 驳回

曲轴、配置有该曲轴的涡旋式压缩机及曲轴的制造方法
摘要：
本发明提供一种曲轴、配置有该曲轴的涡旋式压缩机及曲轴的制造方法，其除了铁Fe以外还包含碳C和锰Mn及硫S，通过将所述碳的含量比为0.37～0.40％、所述锰的含量比为1.25～1.35％、所述硫的含量比为0.10～0.12％、其余含量为所述铁的金属合金的至少一部分利用高频热处理进行加工来制造曲轴，能够缩短要使用作为曲轴的金属合金的热处理时间，以减少压缩机的制造成本。并且，通过在构成曲轴的成分中适当地调节锰和硫的比率，与现有的低碳易切削钢对比能够确保同等以上的可切削性，并且能够防止高频热处理过程中发生破裂，以提高可靠性。
摘要（英）：

The invention provides a crank shaft, a scroll compressor configured with the crank shaft, and a manufacturing method of the crank shaft. The crank shaft further contains carbon (c), manganese (Mn) and sulfur (S) besides ferrum (Fe). The content ratio of the carbon is 0.37%-0.40%, the content ratio of the manganese is 0.25%-1.35%, the content ratio of the sulfur is 0.10%-0.12%, other contents occupies at least a part of metal alloys of the ferrum, and then processing is performed by utilizing high-frequency heat treatment to manufacture the crank shaft, so the heat treatment time using the metal alloys as the crank shaft can be shortened, and then manufacturing cost of the compressor is reduced. The manganese ration and the sulfur ratio in the components composing the cranks shaft is adjusted, the crank shaft can ensure machinability more than the same grade compared with an existing low-carbon easy-machining steel, and fractions can be prevented from generation in high-frequency heat treatment process so that reliability is improved.

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