中国科技纵横
中國科技縱橫
중국과기종횡
CHINA SCIENCE & TECHNOLOGY PANORAMA MAGAZINE
2015年
11期
51-52
,共2页
赵宏社%夏海红%陈鹏浩%张旭%尚灿%孙芳荣%赵宗宝
趙宏社%夏海紅%陳鵬浩%張旭%尚燦%孫芳榮%趙宗寶
조굉사%하해홍%진붕호%장욱%상찬%손방영%조종보
PVC压延机%损坏原因%鉴定
PVC壓延機%損壞原因%鑒定
PVC압연궤%손배원인%감정
PVC rolling mil%The reason for damage%Identification
通过成分分析、能谱分析、金相分析等微量物证鉴定手段进行检测分析,找出了压延机螺杆损坏的真正原因。PVC压延机在运行过程中,由于行星螺杆存在原生裂纹,且受到集中应力的作用发生崩裂脱落,脱落的碎块掉入PVC胶料中,在行星螺杆和筒套的相互作用下往前推进,造成行星压延机的行星螺杆不同程度的损伤。
通過成分分析、能譜分析、金相分析等微量物證鑒定手段進行檢測分析,找齣瞭壓延機螺桿損壞的真正原因。PVC壓延機在運行過程中,由于行星螺桿存在原生裂紋,且受到集中應力的作用髮生崩裂脫落,脫落的碎塊掉入PVC膠料中,在行星螺桿和筒套的相互作用下往前推進,造成行星壓延機的行星螺桿不同程度的損傷。
통과성분분석、능보분석、금상분석등미량물증감정수단진행검측분석,조출료압연궤라간손배적진정원인。PVC압연궤재운행과정중,유우행성라간존재원생렬문,차수도집중응력적작용발생붕렬탈락,탈락적쇄괴도입PVC효료중,재행성라간화통투적상호작용하왕전추진,조성행성압연궤적행성라간불동정도적손상。
We use variety of methods of trace evidence technology, such as EDS、Metalographic analysis etc.. We finaly found out the reason for the screw of PVC roling mil damage. The planetary screw occurs chipping off during the PVC roling mil operation,due to the presence of primary cracks. And then the fragments of the screw fal into the PVC. In the finaly the planetary screw and the sleeve occur different degrees of damage, because of the interaction between the planetary screw and sleeve.