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plastics injection molding machine fault/failure classification? how to maintenance good plastics injection molding machine
Date: 2019-11-18 10:03
Views: 2357
Source: Internet
不论 is Imported also is Domestic injection molding machine tool has below/following features:
1. injection molding machine solid assets investment large, production large, consumption raw materials more, production rate high, value large. is types efficiency relatively high production 组织形式.
2. injection molding machine machine 械, liquid pressure, electrical appliances, specialized sleeve/set parts and other, according to injection molding processing process technology need, has machine combined in 一起, 自动化程 degree high, versus between 关联紧密; injection molding machine can 3班24h连续运转. injection molding machine certain parts fault/failure, will 导致停 machine.
3, injection molding machine upper although as simple, less, injection molding machine tube/pipe and repair technology content high, as amount large.
therefore need ensure injection molding machine 经常处于完 good 状态, must add strong/high injection molding machine tube/pipe as, control injection molding machine fault/failure 发生. to reduce fault/failure rate, decrease/reduce repair use, long use lifespan 目.
injection molding machine fault/failure, generally is injection molding machine or system in use in or reduce its function parts or phenomenon. injection molding machine is enterprise is meet/satisfy injection molding products production process requirements 而配备. injection molding machine function it in injection molding products production active in in value and for injection molding production ensure degree. in 现代化 injection molding machine production in, due to injection molding machine structure complex, 自动化程 degree very high, liquid pressure, electrical and machine 械 联系 non 常紧密, injection molding machine fault/failure, that is local 失灵, 都会造 formed injection molding machine 停产. injection molding machine fault/failure effect/influence injection molding product amount and quality.
一, plastics injection molding machine fault/failure classification
injection molding machine fault/failure is multiple more 样, can from different degree for its classification.
1.按 plastics injection molding fault/failure 发生状态, can separation is:
(1）渐发 property fault/failure. is due to injection molding machine property can poor generate, large separation injection molding machine fault/failure belongs to this category of fault/failure. this category of fault/failure and electrical 控, liquid pressure machine parts abrasion loss, 腐蚀, fatigue and creep and other process has 密切 关系.
(2） breaking property fault/failure. is various factors and outer effect/influence function generate, this type of function ultra- 出 injection molding machine can 承受 限 degree. 例如: material 筒进入 iron material ultra- negative 荷而引起 screw 折断; high pressure 串入而击穿 injection molding machine electronics sheet/plate. type fault/failure is 突然发生, 事先无任何征兆.
breaking property fault/failure more in injection molding machine use stage/phase, is due to design, manufacturing, assembly and and other defect, or as 失误, as 业而造 formed.
2.按 plastics injection molding fault/failure property separation, can separation is:
(1）间断 property fault/failure. injection molding machine in short inner its certain function, add debugging can 恢复, need more 换零部 parts.
(2）永久 property fault/failure. injection molding machine certain parts already loss bad, need more or 修理才 can use.
3.按 plastics injection molding fault/failure effect/influence degree separation, can separation is:
(1）完 full property fault/failure. injection molding machine full function.
(2） local property fault/failure. injection molding machine certain function 丧失.
4.按 plastics injection molding fault/failure causes separation, can separation is:
(1） abrasion loss property fault/failure. due to injection molding machine positive abrasion loss formed fault/failure.
(2）错 use property fault/failure. due to as 错误, 维护不当造 formed fault/failure.
(3） solid has thin low property fault/failure. due to design issues, make injection molding machine thin low step/link, in positive use generate fault/failure.
5.按 plastics injection molding fault/failure property separation, can separation is:
(1）危险 property fault/failure. safety system in need as fault/failure 失 保护 function, formed 人身伤害 and injection molding machine fault/failure; liquid pressure electrical system 失灵造 formed fault/failure and other.
(2） safety property fault/failure. safety system in need as 时发生动 as; injection molding machine can 启动时启动 fault/failure.
6.按 plastics injection molding injection molding machine fault/failure 发生, development 规律划 separation, can separation is;
(1）随 machine fault/failure. fault/failure time is machine.
(2） has fault/failure. fault/failure has 一定规律.
每一 types fault/failure has its main/primary 特征, 即 谓 fault/failure 模式, or fault/failure 状态. various injection molding machine fault/failure is versus 当繁杂, can nano below/following types: 异常振动, machine abrasion loss, 输入信号无 method let electrical 脑接受, electrical magnetic has 输出信号, machine liquid pressure parts ratio/proportion property 失调, liquid pressure pressure drop, liquid pressure 渗漏, fault/failure, liquid pressure 噪音, electrical aging, 异常声响, poor 化, electrical pressure drop, large sheet/plate 无输出, temperature degree and its it. different type type injection molding machine various fault/failure 模式 占 ratio/proportion has different.
二, fault/failure analysis and fault/failure troubleshooting 程序
is ensure fault/failure analysis and troubleshooting fast 捷, has 效, must 遵循一定 程序, this type of large lower.
第一步 maintain 现场 情况 lower 进行症状 analysis
1.询问操 as 人员
（1）发生 what fault/failure? in what lower 发生? what 时候发生?
（2） injection molding machine 巳经运行 more 久?
（3） fault/failure front has 无任何异常 phenomenon? has 何声响 or light 报警信号? has gas or 异味? has 无误操 as （ attention/notes methods ）?
（4） control system as is positive 常? as has 无变动? in as is has 特殊困 difficult or 异常?
2.观察整 machine 状况, 各项运行 parameters
（1） has obvious phenomenon? parts has retardant or loss 伤? liquid pressure system has 否松动 or 泄漏? electrical has 无破裂, scratch or 烧毁?
（2） injection molding machine parameters has 何变化? has obvious dry 扰信号? has obvious loss bad 信号?
3.检查监测指示 plant/unit
（1）检查 has value is positive 常, pressure table/sheet and its it table/sheet 读数, high degree 情况.
（2）检查 滤 device, device and plant/unit, as or device is positive 常.
4.点动 injection molding machine 检查（ in conditions lower ）
检查间歇情况, 持久情况, fast or slow 进时 情况, in this lower is effect/influence 输出, is can can loss bad or its it 危险.
第二步 检查 injection molding machine （包括 parts, parts and 线路）
1. utilizing 感官检查（继续 in-depth process ）
1看: and base/seat has 无异常, electrical machine or 泵 运转 is positive 常, control adjustment is positive 确, has 无起弧 or 烧焦 痕迹, filament good bad, liquid has 无泄漏, lubricated is 否畅通 and other.
2摸: injection molding machine 振动情况, 元（组） parts hot degree, tube/pipe temperature degree, machine 械运动 状态.
3听: has 无异常声响.
4嗅: has 无焦味, odor, its it 异味.
5查: parts and 位置变化, injection molding machine property can parameters 变化, 线路异常检查.
2.评定检查结果
评定 fault/failure is positive 确, fault/failure is to, 各项检查结果 is 否一致.
第三步 fault/failure 位置 确定
1.识别 system structure and testing methods
查阅 injection molding machine 说明书, injection molding machine is types structure, use what methods testing, need what testing 手段, can can obtain what testing parameters or property can parameters, in what as conditions lower testing, must which safety measures, is need as can 证.
2. system testing
using/adopting most combined system structure technology testing. in combined testing 点, according to and 反馈 结果 and positive value or property can standards comparison, can 疑位置.
第四步 修理 or more 换
1.修理
查找 fault/failure causes, for injection molding machine fault/failure 进行修理并采取预 anti measures; related parts, anti fault/failure expand dispersion.
2. more 换
positive assembly debugging more parts, attention/notes related parts. lower parts 进行修理 or waste.
第五步 进行 property can 测定
1.起动 injection molding machine
零部 parts assembly debugging rear injection molding machine, 先手动（ or 点动）, rear 进行空载 and negative 载测定.
2. adjustment negative 载变化 speed degree low to high, negative small to large, system pressure most high can ultra- 140kg/cm2, 按规定 standards property can.
3. expand large property can experiment/testing scope/range
according to need, local to system expand large property can experiment/testing scope/range. attention/notes non fault/failure system 运行状况. property can meet/satisfy requirements 则交付 use, meet/satisfy requirements heavy new fault/failure 部位.
第六步 记录并反馈
1.收集 has value material and data, injection molding machine fault/failure time, fault/failure phenomenon, machine time, 修理工时, parts, 修理效果, solution issues, 结算费 use and other, 按规定 requirements 存入档案.
2. statistics analysis
定期 analysis injection molding machine use 记录, analysis machine loss 失, 修订备忘目录, decrease/reduce repair as focus/key point measures, research fault/failure mechanism, 提出改进 measures.
3.按程序反馈 has fault/failure upper tube/pipe 部门, 并反馈 to injection molding machine manufacturing mono 位.
三, fault/failure tube/pipe 理 展开程序
need good injection molding machine fault/failure tube/pipe 理, must 掌握发生 fault/failure causes, 积累常发 fault/failure and type fault/failure material and data, fault/failure analysis, heavy fault/failure and fault/failure mechanism research, add strong/high day 常维护, and 预修. fault/failure tube/pipe 理 展开程序 has below/following 8 方面.
1.做 good 宣传教育工 as, make as and repair 工人自觉 for injection molding machine fault/failure 进行认 true 记录, statistics, analysis, combined 理化建议.
2.紧密结 combined injection molding production and injection molding machine features, in use injection molding machine separation formed A, B, C三 type, 以确定 fault/failure tube/pipe focus/key point.
3. using/adopting 监测仪 device, for focus/key point injection molding machine focus/key point 部位进行 has plan 监测, and 时发现 fault/failure and poor 化 信息.
generally injection molding machine need through 人 感官 and generally testing tool day 常点检, 巡回检查, 定期检查（包括精 degree 检查）, good 状态检查 and other, heavy easy fault/failure 部位, machine and parts technology and phenomenon 信息. meanwhile need made 订检查 standards, injection molding machine positive 常, 异常, fault/failure 界限.
4.开展 fault/failure analysis, training injection molding machine repair 工掌握 fault/failure analysis methods.
5. fault/failure is achieve injection molding machine fault/failure tube/pipe 理 基础资 material, also is fault/failure analysis, 处理 原始 based on, 记录必 must positive 确. injection molding machine repair in 现场进行检查 and fault/failure rear, according to “ injection molding machine fault/failure mono ” inner true 填写, workshop machine 械员按 month statistics analysis 并报送 injection molding machine tube/pipe tube/pipe.
6. workshop plastics injection molding machine repair remove day 常掌握 fault/failure outer, month 汇集“ fault/failure mono ” and repair 记录. through for fault/failure data statistics, 整理, analysis, 计算出各 type injection molding machine fault/failure frequency rate, 平 均 fault/failure 间隔期, analysis mono injection molding machine fault/failure and focus/key point fault/failure causes, fault/failure 发生规律, 以便突出 focus/key point countermeasures, will fault/failure 信息整理 analysis material to plan 部门, 以便安排预 anti or improvement measures plan, also can as is 修改定期检查间隔期, inner and standards based on.
according to statistics 整理 资 material, can statistics analysis table/sheet, mono injection molding machine fault/failure statistics analysis table/sheet is repair for fault/failure and its it 进行目视 tube/pipe has methods, 既便于 tube/pipe 理人员 and repair and 时掌握各 type type injection molding machine fault/failure 情况, also can in repair countermeasures has target/goal.
7. through repair day 常巡回检查 and injection molding machine 状态检查, 取 状态信息 and fault/failure 征兆, and has 关记录, analysis material, workshop injection molding machine repair or 修理组 long for type type injection molding machine in issues, and 时安排 day repair, separation utilizing production time or false day, to anti in front, control and decrease/reduce fault/failure 发生. for certain fault/failure 征兆, 隐患, day repair force 承担, 则反馈 to plan 部门安排 plan 修理.
8. made fault/failure tube/pipe process/workflow 图.
四, injection molding machine fault/failure 规律
research fault/failure for made repair countermeasures, 以至建立科学 repair made is separation has 利. injection molding machine in use process in, its property can or 状态随 use time 推移而逐步 decline. very more fault/failure front has 一 预兆, this is 谓 潜 in fault/failure, its can material parameters table/sheet types function property fault/failure will 发生, function property fault/failure table/sheet injection molding machine 丧失 规定 property can standards.
injection molding machine fault/failure rate time 变化规律, by 叫做浴盆曲线. injection molding machine fault/failure rate time large separation stage/phase: fault/failure 期, fault/failure and consumption loss fault/failure 期.
1.早期 fault/failure 期
injection molding machine 处于早期 fault/failure 期, fault/failure rate very high, time fault/failure rate speed decline, fault/failure for/regarding machine product also is abrasion combined 期. time long short, product, system design and manufacturing quality 而异. 此期间发生 fault/failure, main/primary is design, manufacturing upper defect 致, or is use ring 境不当 造 formed.
2.偶发 fault/failure 期
injection molding machine 进人偶发 fault/failure 期, fault/failure rate large 致处于 stability 状态, 趋于定 value. in 此期间, fault/failure is machine. in fault/failure inner, injection molding machine fault/failure rate most low, but also stability..因而 can 说, this is injection molding machine most 佳状态期 or positive as 期. this 区段称 is has lifespan.
偶发 fault/failure fault/failure, more 起因于 design, use and repair force. through improve/increase design quality, use tube/pipe 理, add strong/high diagnosis and maintenance and other as, can make fault/failure rate reduce to most low water 平.
3. consumption loss fault/failure 期
in injection molding machine use rear 期, fault/failure rate upper rise. this is due to injection molding machine parts abrasion loss, fatigue, aging, and other formed. if in 拐点即 consumption loss fault/failure 期开始时进行 large 修, can 经济而 has reduce fault/failure rate.
injection molding machine fault/failure rate 曲线变化 三 stage/phase, true 实 反映出 injection molding machine from abrasion combined, debugging, positive as to large or waste fault/failure rate 变化 规律, add strong/high injection molding machine day tube/pipe and maintenance, can long fault/failure 期. 准确 找出拐点, can 避免 剩修理 or scope/range expand large, obtain most investment 效益.
1 马达运转 in, will “紧急停止”押入, is 否立即停止
2 打开 safety 门, is 否会立即停止
3 in semi 自动, full 自动操 as 时, 关模途 in separation 别打开 front rear safety 门, is 否会立即停止, and mold opening
4 positive as lower, injection molding machine system pressure can ultra- 10Mpa, is 否达标
5 检查 liquid pressure 油油位, is in 油位计 most low upper 方
6 检查 liquid pressure temperature, most as temperature 30 degree ~40 degree between, is 否达标
7 检查 cooling water temperature degree is in 25℃ below/following
8 lubricated inner lubricated is 否足够清洁（无 water, 无杂质, 无变质）
9 检查 lubricated 油油位, lubricated as is positive 常
10 machine 台运转空间 is has material, machine as upper is 否清洁
11 machine as is positive 常
12 safety sheet/plate is positive as （ attention/notes 每次换 mold need adjustment ）
13 检查 is has material and other 情况
14 行程开关 is 否因松动而导致位置变动
15 接近开关 is 否因松动而导致位置变动
16 liquid pressure tube/pipe is has 渗油, phenomenon 发生
17 full 连接部 separation filament is has 动, phenomenon
18 electrical inner is 否清洁
19 electrical 线接头, electrical appliances parts 接线头 is solid
20 electrical electrical pressure, versus electrical 线380V交流 electrical and 220V交流 electrical is in 偏差10V scope/range inner
21 machine is good
22 above toward fine fine as 希望你坚持包你 machine more use year
