Daoqin Logo

Shanghai Daoqin Plastics Co., Ltd.

Professional Engineering Plastics and Plastic Additives SupplierTechnical Support
Mobile: +86-19279864570 QQ/WeChat: 40045692
WeChat QR Code
Scan WeChat for Convenience Inquiry · Technical Guidance Check Properties · Find Reports

Technical Servicejishufuwu0UN

News & Knowledge

Contact Us

Mobile: +86-19279864570

Email: 40045692@qq.com

QQ: 40045692

Address: Building 5, No. 936 Guoshun Road, Nanqiao Town, Fengxian District, Shanghai

injection molding machine fault/failure issues and 处理 method

Date: 2019-11-25 03:40 Views: 3861 Source: Internet

一: 锁模部 separation fault/failure issues and methods:
(一): 不锁模:
处理 methods: 1): safety front 行程开关, 并修复.
          2): electrical inner 24V5A electrical 源, 换保险 and electrical box/case.
          3): 检查阀芯 is 否卡住, 清洗阀芯.
          4): 检查I/O sheet/plate is has 输出, electrical magnetic is belt/tape electrical.
          5): liquid pressure safety is pressure combined, machine 械锁杆挡 sheet/plate is 否打开.
(二): clamping machine 绞响:
处理 methods: 1): lubricated tube/pipe is 否断开, is 话, must heavy new good tube/pipe.
          2): lubricated amount small, add large lubricated amount, 建议50模打油 one-time or use add lubricated 油.
          3): clamping force large, mold is large clamping force, low clamping force.
          4): large sheet/plate electrical 流调乱, electrical parameters is combined standards, heavy new adjustment electrical value.
          5): degree ultra- 差, use separation table/sheet 检查头二 sheet/plate degree is large 于验收 standards; 调平行 degree.
(三): and other 几秒钟才 mold opening:
处理 methods: 1): speed degree slow, 检查螺 filament retardant is large, small filament retardant 尼孔.
          2): retardant filament in 间孔太 large, 检查Y孔螺 filament retardant is large, in fine retardant 尼钉.
(四): 开锁模爬行:
处理 methods: 1): sheet/plate and 哥林柱 abrasion loss large, 检查二 sheet/plate and 哥林柱, more sheet/plate copper sleeve/set, 哥林柱, add lubricated 油.
          2): 开锁模 speed degree pressure adjustment 不当, setting amount 20, pressure 99时锁模二 sheet/plate 不应爬行, adjustment amount ratio/proportion 阀孔, or 先导阀孔, adjustment ratio/proportion property electrical value.
          3): pipeline and in has gas, gas.
(五): mold opening 开不动:
处理 methods: 1): increase 开锁模 speed degree, pressure amount small good, 检查开锁模 speed degree, pressure is 否适当, add large 开锁模 pressure, speed degree.
          2): electronics 尺零位变, 检查锁模伸直 machine rear is 否终止 in 零位, heavy new adjustment electronics 尺零位.
          3): is 否反铰.
(六): production in 调模会越 越紧 or 越松:
 处理 methods: 1): electrical magnetic inner 漏, electrical magnetic is is “O” type, Model/Grade 4WE6E or    0810092101, more electrical magnetic or is electrical magnetic 阀不工 as belt/tape 24V electrical.
           2): 手动打 its it as is has 调模动 as, 并看阀 is 否卡死.
(七): rear its it as as 时, full slow slow mold opening:
 处理 methods: 1): made sheet/plate 泄漏, or more fast 锁模阀, more made sheet/plate.
           2): mold opening 阀泄漏, 开动油泵并锁模终止, 按射台 or 射胶动 as, sheet/plate is rear 移, more mold opening 油阀. positive is 开锁模不动.
(八): 锁模时 has mold opening as:
 处理 methods: 1): 接错线, has 否24VDC to 阀, 检查线路并接线.
           2): or 装错阀芯, 检查阀芯 is 否装错, or 堵塞, heavy new 装阀芯 or 清洗. in positive 常情况 lower 开锁模动 as is 不动.
(九): 锁模不畅:
 处理 methods: 1): A, B孔 adjustment 不当, setting system amount 20, pressure 99时, 观察锁模动
as is 否爬行, heavy new adjustment or 换阀.
           2): in has gas, 听油路 in has gas 声, 检查油 in has bubbles, 需
排 gas.
           3): large sheet/plate rise drop adjustment 不当, electrical table/sheet electrical value and rise drop or and speed is formed ratio/proportion, adjustment large sheet/plate.
(十): 锁模不起 high pressure, ultra- 出行程:
 处理 methods: 1): 限位开关 ultra- 出限位, 检查调模 is combined 适, adjustment 适当模 thick; 检查马达 is is positive 常状态.
           2): liquid pressure ultra- 行程, electronics 尺行程位置 is combined 适, 检查调模 is combined 适, 适当调模 toward front.
(十一): has mold opening 终止, semi 自动无 mold opening 终止:
 处理 methods: 1): mold opening 阀泄漏, 手动打射台 rear as, 观察二 sheet/plate is toward rear 退, more mold opening 阀.
2): electronics most large and pressure amount.
(十二): 无顶针动 as:
处理 methods: 1): 顶针限位开关 bad, use use table/sheet 检查24V近接开关 is 否亮灯. more 换顶针限位开关.
          2): 卡阀, use 六角匙 pressure 顶针阀芯 is can 移动, pressure 阀
          3): 顶针限位杆断, machine rear use 手取出限位杆, more 换限位杆.
          4): 顶针开关 short 路, use use table/sheet 检查顶针开关 for 0 electrical pressure, more 换顶针开关.
          5): electronics 尺位置设置不当.
(十三): semi 自动时顶针失控:
处理 methods: 1): sheet/plate bad, 检查线路 is positive 常, positive electrical pressure DV24V. repair sheet/plate.
          2): 线断, comprehensive 检查开关连接线, I/O sheet/plate upper 连接线. 检查线路, heavy new 接线.
          3): mold has 无走位.
          4): active 塞杆密封圈 is loss bad.
(十四): mold opening 时声音 large:
处理 methods: 1): ratio/proportion property 差, clamping time pressure amount adjustment defect, parameters in rise drop, adjustment parameters in rise drop.
          2): machine lubricated defect, 检查哥林柱, sheet/plate slip 脚, machine lubricated 情况, add large lubricated, increase 打油次数.
          3): mold clamping force large, mold force clamping force 情况, use product decrease/reduce clamping force. time is combined 适.
          4): sheet/plate degree 偏差, 检查头 sheet/plate sheet/plate degree. adjustment sheet/plate, sheet/plate 平行误差.
          5): slow speed fast speed mold opening setting small, speed degree fast. slow speed mold opening fast speed mold opening is 否恰当, slow speed mold opening speed degree is fast. add long slow speed mold opening 位置, reduce slow speed mold opening speed degree.
(十五): semi has 2次锁模动 as
处理 methods: 1): 锁模阀芯没 has full 复位, 检查锁模动 as formed rear lower 一 动 as is 否连续 property strong/high.
          2):  increase lower 一 动 as time.
二: 调模部 separation fault/failure issues and methods:
(一): can 调模:
处理 methods: 1): machine water and degree ultra- 差. use water 平仪角尺检查. adjustment degree and water 平. (针 for large machine type, small machine type effect/influence large )
          2): pressure sheet/plate and filament 母间隙 small. use 塞尺测 amount. adjustment pressure sheet/plate and 螺母间隙, 调模螺母 and pressure sheet/plate 间隙( 间隙≤0.05m m ).
          3): 烧螺母: 检查螺母 can 否转动发 hot is has iron powder 出. more 换螺母.
          4): upper lower sheet/plate adjustment. 拆开支 sheet/plate 锁紧螺母检查. adjustment adjustment 螺母.
          5): I/O sheet/plate bad. in electrical 脑页面 upper 检查输出点 is has 信号. repair electronics sheet/plate.
          6): 调模阀芯卡死. lower 阀检查. 清洗阀.
          7): 调模马达 bad: 检查油马达. more or 修理油马达.
三: injection separation fault/failure issues and methods:
(一): can 射胶:
处理 methods: 1): has material 堵塞. 检查射咀 is 否堵塞. or more 换射咀.
          2): separation 胶咀断. method 兰检查 separation is fracture. more separation 胶咀.
          3): direction 阀卡死. direction is has 24V electrical pressure, electrical retardant 15-20欧姆, positive 常则阀堵塞. 清洗阀 or more direction 阀.
          4): active 塞杆断. 松开射胶 active 塞杆紧母, active is fracture. more active 塞杆.
          5): material temperature degree low. 检查实际 temperature degree is to material melting point temperature degree. heavy new setting material temperature degree.
          6): active 塞油封 loss bad. active 塞油封 is bad. more 换油封.
(二): 射胶起步声音 large:
 处理 methods: 1): speed degree fast. 观察射胶 speed degree fast slow 变化. adjustment 射胶流 amount, speed degree.
           2): in has gas. 观察各动 as is has 震动.
(三): 射胶终止转熔胶时声音 large:
 处理 methods: 1): 射胶时动 as speed degree fast. 检查射胶 has add large holding pressure. add large holding pressure, adjustment grade 数, add 熔胶延时.
(四): amount unstable:
处理 methods: 1): 油缸油封 abrasion loss. pressure table/sheet pressure maintain 情况. more 换油封.
            2): separation 胶咀, separation abrasion loss. use 2次射胶检出. more separation 胶咀三 parts sleeve/set.
            3): material abrasion loss. use 2次射咀检出, material 简检查 abrasion loss 情况. more 换熔胶筒.
(五): semi 自动无射胶动 as.
处理 methods: 1): front 进未终止. 检查射台 front or 锁模行程开关 is positive 常. 检查线路 and 行程开关.
            2): 断线. 检查线路. heavy new 接线.
            3): 锁模归零. machine 铰伸直时位置 is 0. heavy new adjustment electronics 尺零位.
(六): semi / full 自动工 as 时, material temperature degree ultra- setting value.
处理 methods: 1): 熔胶转 speed fast. use speed table/sheet testing screw speed is fast. reduce 熔胶转 speed.
            2): back pressure large. products, back pressure table/sheet value, can can reduce back pressure.
            3): screw and material abrasion scratch. screw, material 筒, abrasion loss 情况. more material or screw.
            4): temperature degree setting 不当. 检查实际 temperature degree is low. heavy new setting temperature degree.
            5): plastics 受剪切 hot large. front 段, in temperature rise. drop 熔胶转 speed, back pressure.
(七): 熔胶时 screw 响.
处理 methods: 1): 传动轴安装不当. separation screw 转动检查 has 否声响, has 则拆平面 bearings. heavy new assembly.
            2): bearings bad. separation screw 检查转动部 separation has 响声. more 换平面 bearings.
            3): screw bending. lower screw 检查. more screw.
            4): screw has iron 屑. screw 检查. screw.
5): use separation table/sheet adjustment screw degree. 0.05mm left right is positive 常.
(八): can 熔胶.
处理 methods: 1): bearings or 传动轴爆裂. separation screw again 熔胶并观察声音. more bearings.
          2): screw has iron 屑. separation screw and material 筒, screw is has iron 屑. screw 清理.
          3): 熔胶阀堵塞. use 六角匙顶阀芯看 is 否移动. electrical magnetic 阀.
          4): 熔胶马达 loss bad. separation 开熔胶马达, 熔胶不转时. more or 修理熔胶马达.
          5): bad hot 圈. use use table/sheet is positive 常. more hot 圈.
          6): 插头松. 检查熔胶油 made is 否接触 defect. 接紧插头. 并检查 has 无24 electrical 源.
(九): 熔胶时 back pressure can adjustment.
处理 methods: 1): back pressure bad. lower material add large back pressure. screw is rear 退. back pressure 阀.
(十): product has black spots.
处理 methods: 1): screw has 积炭. 检查清洗 screw, material 筒.
          2): material has and machine dry 净. upper material machine has 无灰尘. light material and 清理辅 machine.
          3): separation 胶咀组 parts 腐蚀. separation 胶咀. more separation 胶咀组 parts.
          4): method 兰, has 积炭. more 换.
          5): Raw Materials 不洁, Raw Materials. more raw materials.
          6): temperature degree high, back pressure large. 检查各段 temperature degree. drop temperature decrease back pressure.
(十一): screw mixed color defect.
处理 methods: 1): material 间题. color powder quality. more material.
          2): temperature degree low. 检查实际 temperature degree and material temperature degree. add high temperature degree.
          3); back pressure low, back pressure. add large back pressure.
          4): material time short. add long material time or more formed mixing/compounding 头.
          5): speed low. screw speed. improve/increase screw speed.
(十二): 无抽胶动 as.
处理 methods: 1): back pressure large. 检查手动熔胶时射咀喷胶 fast slow. reduce back pressure.
          2): 断线. 抽胶阀断线.
          3): direction 阀阀芯不灵 active. use inner 六角扳手按阀芯检查 is 否自由 active 动. 清洗阀芯.
(十三): 熔胶时, 马达摆尾.
处理 methods: 1): bearings bad. 观察熔胶时 has 无异声. more bearings.
          2): bearings adjustment 不当. 观察传动轴 has 无摆动. heavy new adjustment 间隙.
          3): screw deformation. separation screw 观察传动轴转动情况. more screw.
          4): rear sheet/plate copper sleeve/set abrasion loss 2 strip/profile deformation or solid filament 松. 观察二 sheet/plate copper sleeve/set is abrasion copper powder. more copper sleeve/set.
(十四): 射胶动 as 两次
          1):  射咀孔径太 small, 射胶时 retardant force large.
          2): 射咀发 hot bad, 检查发 hot or more 换.
          3):  pressure amount has 无化.
(十五): screw causes
         1): different 步, adjustment 射移同步±0.05
         2): 射胶油缸 different 步, adjustment 射胶油缸同步±0.05
         3): Raw Materials and injection molding machine screw property can 不配.
         4): temperature degree has to use material melting point.
         5): and other to temperature degree rigid rigid to 就转动 screw.
         6): hot bad add hot, has anti cold function, more hot 筒.
四: liquid pressure separation fault/failure issues and methods:
(一): liquid pressure 油污染:
1): in mixed gas. main/primary due to tube/pipe 接头, liquid pressure 泵, liquid pressure and other good. performance in upper has bubbles.
          2): in mixed water separation. make liquid formed white. main/primary causes cooling device water or ring wet.
          3): in mixed solid 体杂质. main/primary is 切屑, 焊渣, sheet/slice and metal powder 未.
          4): in generate 胶质状 material 质. is seals by liquid or liquid 变质, make liquid in generate material 质, this type of 胶质状 material 质常常 make small 孔堵塞.
(二): temperature degree for liquid pressure viscosity has what effect/influence:
造 formed effect/influence: 1): temperature degree rise high 时, viscosity decline. liquid viscosity 变化直接 effect/influence liquid pressure system property can and amount. ( positive normal temperature degree in 30~50℃ between )
(三): fault/failure:
generate causes: 1): lubricated conditions defect. 出现“停顿— slip 行—停顿”. add large lubricated amount.
            2): liquid pressure system in 浸入空 gas. gas.
            3): machine rigid property causes. parts abrasion loss deformation, 引起摩 scratch force 变化而 generate 爬行. more parts.
(四): machine production time rear, 油泵响.
处理 methods: 1): tube/pipe quality good or 喉码未收紧. 拆滤网检查 is deformation. tube/pipe is delamination. more tube/pipe, 滤网.
          2): 滤网不 dry 净. liquid pressure 油杂质 is more. 清洗滤网.
          3): abrasion loss: 检查油泵配油盘 and 转子端面 abrasion loss 情况. more 换油泵.
(五): 马达起动 rear, pressure table/sheet has pressure, has amount.
处理 methods: 1): DA sheet/plate bad, repair DA sheet/plate.
          2): 溢流阀卡住. lower 溢流阀检查, 清洗溢流阀 or more pressure table/sheet 检查.
(六): pressure amount
          1): electrical machine 油泵转动 direction is positive 常.
          2): has 无漏油.
          3): pressure amount has electrical 流.
          4): has inner 六角顶住 pressure is pressure, more or 清洗.
六: injection molding machine debugging as 规程:
(一): injection molding machine conditions:
我 company injection molding machine requirements separation and other grade:
A﹑600T below/following machine type:
(1)   基承载 can force requirements 10T/M2 above.
(2)   铺设250-300mm water abrasion workshop 面.
(3)   use decrease 震垫安装即 can.
B﹑750T~1000T machine type (按 基图施工):
(1)   基承载 can force requirements 10T/M2 above.
(2)   rear, 铺设Φ8-150×150mm钢筋网一层.
(3)   浇灌300mm thick water abrasion water 石 面.
(4)   use can iron 垫脚.
C﹑1000T above machine type (按 基图施工).
(1) 基承载 can force requirements large 于12T/M 2.
(2)底层铺设Φ12-Φ18, 150×150钢筋网.
(3)浇灌C25号 mixed 凝土并预留 脚螺孔. (脚螺孔待 lower rear 现浇).
(4)整平安装面.
(5) use can iron 垫脚, lower 垫δ10-δ15mm钢 sheet/plate (按垫脚底面积 两倍).
(6)整 machine full heavy 安装完 rear, 静置七天, machine front also 调校整 machine water 平, make block 垫脚受 force 均衡, 浇灌C25号 mixed 凝土并预留 脚螺孔. (脚螺孔待 lower 脚螺钉 rear 现浇), 整平安装面.
(二): machine water requirements
       adjustment water 平 目, is is 避免锁模部 separation machine 架出现扭曲, 以至锁模射台 machine can positive use. 锁模部 separation 1000mm: 0.05mm, 射台部 separation 1000mm: 0.03mm.
(三): injection molding machine 现场安装检查;
         machine to rear, in 未吊装 front use soft material 保护哥林柱, 以免划伤哥林柱. if is separation 体运输, use sheet/plate in good plant/unit, rear 进行拼装, use water 平仅放 in 哥林柱 upper. through adjustment 避震脚 adjustment filament adjustment, machine in toward and toward combined water 平.
(四): injection molding machine water electrical 安装:
         1): outer water has separation (1)熔胶筒运 water and mold. (2)油 cold device lower is water 口, upper is water 口
         2): using/adopting versus electrical 源380V, add 装 线.
(五): add liquid pressure 油, lubricated 油.
         1): 揭开油箱 add cover/cap, 注入46# resistant abrasion liquid pressure 油, 直至油位 high 于油位计 in degree. add liquid pressure rear, in small inner need 开动马达, 以利油 liquid in gas 体排出.
         2): lubricated 油, separation machine lubricated use 150# gears 油. 射台导杆 and bearings use lubricated 脂. sheet/plate use 二硫化钼.
(六): electrical machine direction 检查
 运转 front 检查: 1): 先检查 electrical 源线, 接 线 is solid.
               2): liquid pressure is 否注入 to 油箱 油位, lubricated is add to lubricated 点.
               3): 检查各 pressure tube/pipe, is good. filament is solid.
检查运转 direction: 1): lower rear sheet/plate, 以方便检查油泵马达运转 direction
                2): can in 手动模式 lower 起动马达. use can electrical machine 轴, remove amount 泵.
                3): in 油泵马达运传 large 约3-5秒, lower “急停”并掉 electrical 源, from 油泵轴端观察 is 否顺时针旋转.
                4): 如油泵马达运转 direction 错误, 应先关闭 electrical electrical and inner electrical electrical 源, in electrical electrical 源接线端子 upper, will its in electrical for 换位置, can more 换马达之接线.
5): 交替起动 and 停止马达 more 次(不 less 于5次)以便 troubleshooting inner gas.
                6): in rear large 约20秒, 停止马达运转.
(七): machine safety plant/unit and testing:
             1): machine safety plant/unit is types safety plant/unit. safety 门打开时, machine 械锁杆挡 sheet/plate is separation 离, sheet/plate toward lower lower, 此时移动模 sheet/plate, machine 械杆碰 to sheet/plate, 锁模动 as upper 停止.
(八): electrical appliances safety plant/unit and testing:
             1): it is through safety 门开闭 control 锁模信号. currently safety or rear safety 门打开时, safety device separation to electrical 脑输入 front or rear safety has 开闭 信号, from 而切断锁模信号, make mold can 开闭. steps:
(1): 起动马达关 upper safety 门.
(2): 按“ clamping ”键, 进行锁模动 as.
(3): sheet/plate toward front 移动时, safety 门确认移动模 sheet/plate is 否停止移动.
(九): pressure safety plant/unit:
             1): safety in safety front lower 方, 当打开 safety 门时, plant/unit upper pressure control 阀, 切断锁模 油 pressure 回路, can 锁模.
(十): mold selection and 安装:
mold selection: 1): 哥林柱间距, most large, small modulus, most large mold opening 行程, 需参见 specifications table/sheet.
            2): according to thick adjustment mold opening 位置.
mold 安装: 1): 按“ debugging 键”, selection “调模 thick ” or “调模 thin ”调校锁模头 sheet/plate and sheet/plate between 距离.
            2): 确认顶针位置 is and mold versus combined.
            3): 手动顶针 toward most front 位置, lower need 顶针杆.
            4): 确认顶针行程 is 否足够, 并收紧顶针杆螺 filament. filament use adjustment long degree.
             5): mold and sheet/plate 面, use ring or filament mold, 放入头二 sheet/plate between, will mold ring for sheet/plate in rear, upper safety 门.
            6): 按“ debugging 键”, in function 页面取消“特 fast ”锁模操 as, make sheet/plate front 进直至 pressure mold. electrical machine 运转, use 码模夹 and filament solid mold sheet/plate upper.
           7): lower filament 绳, 起动马达, slow speed mold opening mold, 直至开 to combined 适位置, 并顶针 toward front 检查顶针行程 is 否足够.
            8): adjustment mold clamping force, clamping force adjustment molding product flash/burrs pressure is 佳,
           9): mold good rear, must low pressure 锁模, testing mold inner has material 时, clamping time to can clamping to 终止位置, 并发出报警.
           10): mold cooling water.
(十一): selection:
           射咀 头部 is 球面, its large small need and mold type versus combined, generally lower, 射咀 球面 semi small mold semi 径0.5-1mm.
(十二): amount adjustment:
           amount is 需数次调校, generally is made formed product and water weight, again add upper coarse 略估计 holding pressure amount.
(十三): amount adjustment:
           amount large 于实际射胶 amount, products easy generate unstable and sink marks phenomenon.
(十四): cooling water adjustment:
            1): mold cooling 不当, effect/influence products quality and formed demolding difficult, attention/notes adjustment water amount large small.
            2): 熔胶筒尾部 cooling water maintain and low temperature, anti in material 口处熔化, formed lower material difficult.
            3): pressure temperature maintain in 30至50 degree between.
七: injection molding machine repair as process/workflow:
(一): repair 时 需 工 tool:
            1): use table/sheet ( requirements tool has temperature degree testing function ).
            2): inner 六角扳手一 sleeve/set.
            3): active 动扳手6寸, 8寸, 12寸.
            4): 一字螺 filament 刀(Ф2.5-100. Ф3.5-250.)
            5): 十字螺 filament 刀(同 upper ).
            6): electrical iron (220V-50W).
(二): repair in must attention/notes safety 事项:
1): in equipment as 时, can is 方便, solid 定挡门.
            2): fault/failure repair 时, need lower 急停开关, necessary 时切断 electrical 源
    开关.
3): 当手需进入动模处, must safety 门. has necessary machine, ensure
safety.
4): 当身体进入动 clamping between as 业时, must front 停止马达, lower 急
停 made.
            5): 当接触射咀时, need belt/tape good 保护手 sleeve/set, attention/notes need 靠近射咀.
            6): repair hot 圈时, need add hot electrical hot, anti electrical.
            7): in repair as front, need electrical 源总开关时, need in 总开关处放置“ prohibited combined 闸“牌.
            8): in repair electrical appliances system in, need attention/notes has short 路, 断路, type 接线, 接 螺 filament has 否松动,
(三): repair formed rear precautions:
            1): repair rear need use tool 归放回原处, need in machine upper.
            2): repair rear will machine 恢复原状, 并清理现场, ensure machine 周围 清洁.
            3): will machine electrical 并实际操 as 数次, machine as positive rear 才离开.
            4): detailed good fault/failure phenomenon 记录.