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一.单线拉丝加工方面</DIV>
| <DIV style="WORD-WRAP: break-word" align=right><DIV style="WORD-WRAP: break-word" align=left>质量问题</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=center>产生原因</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=center>改进方法</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=right><DIV style="WORD-WRAP: break-word" align=left>一.刮伤擦伤</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>1.辊筒起槽</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>调换辊筒或磨光棍筒</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>2.拉丝鼓起槽</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>移动使用部份或更换鼓轮</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>3.模座进线嗽叭口损坏</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>更换模座喇叭口</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>4.排线导轮与线磨擦</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>调整张力</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>5.线盘工装两侧边发毛边</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>用砂轮磨光</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=right><DIV style="WORD-WRAP: break-word" align=left>二.竹节形</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>1.辊筒跳动</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>调整模子减缩比</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>2.收线速度不均</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>调整收线速度</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>3.辊筒压轮上有油</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>清除油</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=right><DIV style="WORD-WRAP: break-word" align=left>三.变色</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>1.辊筒温度过高,冷却不够</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>增加冷却量</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=right><DIV style="WORD-WRAP: break-word" align=left>四.表面油污</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>1.拉线模尺寸过大,不足去掉油污</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>选择合适的拉线模</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>2.拉丝润滑剂温度低.粘度大</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>调整好润滑剂温度</DIV></DIV> |
| <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>3.擦线毛毡大脏</DIV></DIV> | <DIV style="WORD-WRAP: break-word" align=left><DIV style="WORD-WRAP: break-word" align=left>经常更换毡,保持毛毡清洁</DIV></DIV> |
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二.绞线工艺方面.</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
一.单线断裂:</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
主要原因;1.单线在线盘上绕得松散,或单线在线位上拉得过紧;</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
2.穿线管因摩擦产生沟槽把线嵌死;单线打结,或放线盘制动大紧.</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
采取的措施:</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
1.检查单线是否有排线不平整或有压线现象,应在拉丝工序中注意要收线盘排线整齐</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
2.要及时更换磨损严重的穿线管;</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
3.检查线盘顶尖转动是否灵活,要保证轴承润滑良好;检查放线盘张力设置是否均匀一致,要根据实际情况调节张力大小.</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
二.单线起拱.松散.蛇形弯</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
主要原因:节径比选择不合理;绞笼分线板上各单线位置错列和分布不均;压模孔径过大;个别单线张力过大.</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
采取的措施:</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
1.生产前首先选择合适的节径比,绞入率,绞合节距长度及绞向等参数.它们对产品质量.稳定性.强度.电阻以及材料消耗有直较影响;</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
2.根据工作经验合理调整单线在分线板上位置分布;</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
3.选用合适的压孔格,一般要求压模孔径要比线外径小0.3-0.5mm之间;</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
4.要合理调节放线盘张力,保证各单线张力适中.一致;</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
5.调整好退扭装置,角度要一致,以消除导作在加工过程中产生的内应力;</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
6.绞合制程中尽量减少停车次数,尽量匀速生产。</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
三.生产管理面</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
在生产过程中,要严格控制进厂原材料的质量;注意要避免线盘在运输过程中由于磕碰引起的机械损伤;注意铝线的存放地点,应避免腐蚀性介质潮湿空气的侵蚀而造成损伤。
以上三点就是影响钢芯铝绞线质量的原因</DIV><DIV style="LINE-HEIGHT: 21px; FONT-FAMILY: Tahoma, Helvetica, SimSun, sans-serif; WORD-WRAP: break-word; COLOR: rgb(68,68,68); FONT-SIZE: 14px" align=left>
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