中压交联电缆绝缘竹节状缺陷原因分析及改进  

Analysis and Improvement of Bamboo-Shaped Defects in Insulation of MV Cross-Linked Cables

作　　者：程伟 后石 CHENG Wei;HOU Shi(Anhui Haohua Cable Group Co.,Ltd.,Wuwei 238331,Anhui,China;Anhui Guodian Cable Co.,Ltd.Wuwei 238335,Anhui,China)

机构地区：[1]安徽昊华电缆集团有限公司,安徽无为238331 [2]安徽国电电缆股份有限公司,安徽无为238335

出　　处：《光纤与电缆及其应用技术》2024年第2期32-33,41,共3页Optical Fiber & Electric Cable and Their Applications

摘　　要：中压交联电缆绝缘竹节状缺陷是后期无法实施修复的表观质量缺陷,会导致绝缘单线大量返工、制造费用大幅上升、材料不必要浪费和交货延时等情况发生。为此,针对国产三层共挤悬链式生产线在生产小截面15 kV以下中压交联电缆绝缘单线时容易出现的间断性绝缘竹节状缺陷,通过数据跟踪统计、鱼骨图缺陷原因分析、要因确认计划表缺陷要因确认,进而对缺陷要因提出纠正和预防措施,成功将该缺陷率从6.12%降至1.75%,产生了较大的改善收益。The bamboo-shaped defect in the insulation of MV cross-linked cables is an apparent quality defect that cannot be repaired in the later stage,which can lead to a large amount of rework of insulated single wires,a significant increase in manufacturing costs,unnecessary waste of materials,and delayed delivery.Therefore,in response to the intermittent insulation bamboo-shaped defects that are prone to occur in the production of MV crosslinked cable insulated single wires with small cross sections below 15 kV on the domestic three-layer co-extrusion suspension chain production line,through data tracking statistics,fishbone diagram defect cause analysis,and confirmation of the main cause of defects in the confirmation schedule,corective and preventive measures are proposed for the main cause of defects.The defect rate is successfully reduced from 6.12%to 1.75%,resulting in significant improvementbenefits.

关 键 词：中压交联电缆 绝缘单线 绝缘表观质量缺陷 鱼骨图 

分 类 号：TM247[一般工业技术—材料科学与工程]