作业指导书编码生效日期页次文件名称XXX型拉丝机作业指导书目的为了正确地指导生产，规范作业，使生产的半成品线能保质保量达到下道工序的使用要求。生产范围本机适用于生产Φ0.120-0.600mm的硬圆铜线。3.生产工艺3.1生产各规格配模、收线速度见附表1。3.2拉丝液:车间集中循环,浓度为4.0-6.0%,工作温度为30-45℃,PH值一般控制在7.5-9.0之间,详情见«拉丝液集中供液循环系统作业指导书»。4.品质要求4.1尺寸公差圆铜线的标称直径、允许公差及截面不圆度应符合附表2的规定。附表2标称直径mm允许公差mm截面不圆度d大-d小不大于mm最小重量kg/轴过程线半成品0.210-0.290±0.005+0.003-0.0000.00270.300-0.390±0.006+0.005-0.0000.002100.400-0.550±0.008+0.007-0.0000.003150.560-0.600±0.009+0.008-0.0000.00420N0改订年月日改订内容审核编制N0改订年月日改订内容审核编制 编制审核批准作业指导书编码生效日期页次文件名称XXX型拉丝机作业指导书 4.2表面质量半成品线表面应光洁，不能有严重氧化发红或发黑及严重的黑斑点、毛刺、起槽、擦伤、碰伤、翘皮、闪光、裂缝、波浪等质量缺陷。4.3排线排线应平整紧密，松紧适宜，要求线头能自然放出，线轴上最外层铜线与线盘侧板边缘的距离应不小于10mm。4.4每轴线应按规定标识清楚.成品线经质检检验后的每盘线上均应贴有已盖有检验员工号的“PASS”标识,对不合格的产品则加贴“不合格”的标识。5.巡检要求5.1检查放线是否正常。5.2在生产过程中经常巡查张力是否平稳,排线是否整齐,表面质量是否符合内控标准。5.3检查收线速度是否稳定,是否符合工艺卡要求,机台是否有异常情况。5.4生产的半成品线每轴进行自检。6.异常处理见附表3。7.相关表格：　《拉丝工艺校对记录表》　02-A《拉丝液抽验记录表》15-B编制审核批准 作业指导书编码生效日期文件名称XXX型拉丝机作业指导书页次附表1规格(mm)进线(mm)工艺配最高速度m/min123456789101112131415161718192021220.2500.800___1.5101.3801.2601.1501.1501.0500.9570.8750.8000.7320.6710.6120.5600.5130.4700.4300.3930.3600.3290.3000.2740.2501750 1.6000.2601.5601.4301.3101.2001.1001.0000.9120.8330.7610.6950.6350.5800.5300.4850.4440.4060.3710.3390.3100.2840.2600.2701.4701.3401.2201.1101.0200.9350.8550.7820.7150.6540.5980.5470.5000.4570.4180.3820.3510.3220.2950.2700.2801.5101.3801.2601.1501.0500.9630.8830.8090.7420.6800.6230.5710.5230.4780.4380.4000.3660.3350.3060.2800.2901.4701.3401.2201.1101.0200.9350.8550.7820.7150.6540.5980.5470.5000.4570.4180.3820.3510.3220.2900.3001.5101.3801.2601.1501.0500.9570.8750.8000.7320.6710.6120.5600.5130.4700.4300.3930.3600.3290.30016500.3101.5601.4301.3101.2001.1001.0000.9120.8330.7610.6950.6350.5800.5300.4850.4440.4060.3710.3390.3100.3201.4701.3401.2201.1101.0200.9350.8550.7820.7150.6540.5980.5470.5000.4570.4180.3820.3510.3200.3301.5101.3801.2601.1501.0500.9570.8750.8000.7320.6710.6120.5600.5130.4700.4300.3930.3600.3300.3401.5601.4301.3101.2001.1001.0000.9120.8330.7610.6950.6350.5800.5300.4850.4440.4060.3710.34016000.3501.4701.3401.2201.1101.0200.9350.8550.7820.7150.6540.5980.5470.5000.4570.4180.3820.3500.3801.4701.3401.2201.1101.0200.9350.8550.7820.7150.6540.5980.5470.5000.4570.4180.3800.4001.5101.3801.2601.1501.0500.9630.8830.8090.7420.6800.6230.5710.5230.4780.4380.40015000.4101.4651.3301.2131.1001.0100.9200.8400.7680.7020.6420.5870.5360.4900.4480.4100.4201.4701.3401.2201.1101.0200.9350.8550.7820.7150.6540.5980.5470.5000.4570.4200.4501.4651.3301.2131.1001.0100.9200.8400.7680.7020.6420.5870.5360.4900.45014000.4601.4701.3401.2201.1101.0200.9350.8550.7820.7150.6540.5980.5470.5000.4600.4801.5101.3801.2601.1501.0500.9630.8830.8090.7420.6800.6230.5710.5230.4800.5501.4701.3401.2201.1101.0200.9350.8550.7820.7150.6540.5980.55013000.5901.4651.3301.2131.1001.0100.9200.8400.7680.7020.6420.59012000.6001.4701.3401.2201.1101.0200.9350.8550.7820.7150.6540.6001000编制审核批准 作业指导书编码生效日期页次文件名称XXX型拉丝机作业指导书 附表3缺陷类型产生原因解决办法线径尺寸超公差收线张力太紧、不均匀、拉丝模孔径不圆、修模后质量差调整收线张力；更换拉丝模具，及时检查返修模具铜线表面氧化、发黑、发红铜料本身已氧化发黑；拉丝润滑液温度高、量小；出口模漏水，有润滑液渗出附在铜线上。更换合格的铜料；开启冷却塔降低润滑液温度；重新检查出口模是否放正放好铜线表面手感有毛刺铜料质量差；出口模破裂或不光；塔轮、助力轮起深槽；铜线跳动更换合格的铜料；更换损坏的模具；更换磨损严重的塔轮、助力轮；调好收、放线的张力黑斑点铜料本身有沾污或氧化层；润滑液使用时间过长；模具使用时间过长，模壁被磨损，减缩率太小；水中含氯离子过高更换合格的铜料；更换新的润滑液；更换已修好的模具，增大模具减缩率；清洁去离水储水池翘皮和裂缝铜料质量差更换铜料起槽模具使用时间长；润滑液含脂量低，冷却温度高，不洁净及减缩率太低引起铜线振动，造成模具使用寿命减少模具使用时间，及时检查模具孔壁，调换模具进行维修；增大润滑液浓度；增大模具减缩率 短，使模具引起起槽闪光铜线不圆度（扁度）所引起较明显的阴阳面调换模具，操作时注意将模具放平放正；使模具四周受力均匀；检查接近出口模的几个模孔径是否不圆；并及时进行检修擦伤铜线和铜线的本身相互扎挤，塔轮和助力轮上的绕线乱跳、轧头；因塔轮、助力轮、导轮起深槽，铜线跳出导轮等原因使铜线在行转时擦伤或铜线与塔轮、助力轮及设备其它部分的磨擦损伤；收线过快亦会促使上述的铜线轧挤和机械擦伤的情况产生注意操作，加强设备维护；更换起深槽的塔轮、助力轮、导轮碰伤由于卸线、搬运或放置不当，或盘铜线相互碰撞或被其它硬物撞击搬运和放置时注意操作避免铜线碰伤；同时铜线不能拉得太满排线不良设备排线装置失灵，排线高度不合适，收线篮不合要求。加强设备维护，及时排除故障；调整排线高度，更换收线篮 编制审核批准