機輪壓坑 的英文怎麼說
中文拼音 [jīlúnyākēng]
機輪壓坑
英文
wheelpiston-
The build - up welding of the meshing surfaces of big gear wheels : during operations of the big driving gears of big rolling mills and squeezers, the meshing surfaces wear easily and form cavities due to the squeezing force and attrition with the thinning of the gears resulting in the rejection of the gear wheels
大齒輪咬合面堆焊：大型軋機和壓榨機的傳動大齒輪在工作過程中，齒的咬合面產生大的擠壓力和磨擦力易磨損和形成凹坑，齒厚減薄，因而報廢。Cracking failure of centrifugal compressor ' s impellers was analyzed, the welding craters in the impellers led to stress concentration. the unsteady gas flow accelerated the development of cracks in the impeller
摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果表明了葉輪開裂原因系疲勞開裂，葉輪焊接缺陷產生了焊接弧坑，造成表面應力集中，氣流激振加速了裂紋擴展。
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