Shanghai Daoqin Plastics Co., Ltd.

当 liquid pressure injection molding machine 顶针动 as 异常时, can from below/following causes 逐一检查 troubleshooting fault/failure: 首先 can 先启动 electrical machine 油泵, 手动状态 lower 进行射台 front rear as or 射胶熔胶动 as, if this as can positive 常进行, can 验证该 injection molding machine 油泵, ratio/proportion pressure 阀, ratio/proportion speed degree and related electrical is positive 常. again 检查顶针动 as parameters is 否设置 positive 确, ratio 如顶针 pressure, speed degree, 位置, 次数.

按顶针动 as, 检查顶针换 toward electrical magnetic upper is has electrical to, generally toward electrical magnetic use 直流24伏 electrical pressure, has small 部份老旧 machine electrical magnetic toward use 交流220伏 electrical pressure control. 如无 electrical pressure to has can can is strip/profile 信号线掉线 fault/failure. 检查l/O electronics sheet/plate 输出端口 is has electrical pressure 输出. 如无, 继续往 lower 查输出端 功放三极 tube/pipe or in electrical appliances is good.

检查 electrical magnetic electrical retardant value is positive 常. generally has can can internal or bad phenomenon. that need more electrical magnetic 线圈.

换 toward has material 卡滞, generally material 自油路 in seals or metal parts aging loss and other 而进入阀 inner, this need understanding 清洗.

顶针油缸 inner seals loss bad 导致窜油 or active fracture can 致顶针动 as 异常. 检查顶针缸旁 限位开关 is good.

早 时候修 一台 injection molding machine 顶针动 as fault/failure: 该 machine 台每次 molding can ejection product, it has 顶进动 as, 但达不 to setting 顶进位置, therefore plastics parts can demolding. 修改各 parameters use. mold sheet/plate is 顺畅.

positive in electrical 脑设置顶进位置40mm即 can demolding, 经观察 electrical 脑显示, 每次顶进位置 to 17mm left right 就停, 且顶进 process 位置数 value has 间隔跳跃 phenomenon.

于 is 先检查该 electronics strip/profile 信号线 is 否接触良 good; 测 amount electrical pressure combined electronics requirements. electronics 尺"1""3"脚接 electrical positive negative 端, "2"脚 is 输出信号端, "4"脚 is 接 端.

again electronics 尺, electrical also is good, is relatively 脏. 于 is use electronics specialized agent for electrical and electrical retardant 轨进行清洗 dry 净, again coating 抹凡士林脂 lubricated. 组装 good machine, positive 常.

injection molding machine upper use electronics it upper is sliding retardant device. if it internal 脏; electrical retardant bad; or 动尺接触 elastic sheet/slice abrasion loss or deformation; electrical 信号线接触 defect. 都 has can can 导致动 as 异常.

别看 electronics structure simple, in 组装时一定 need small attention/notes, especially is 装拉杆 electrical 刷时, 千万不 can let elastic sheet/slice electrical deformation, need let electrical and electrical retardant 轨接触良 good.