Shanghai Daoqin Plastics Co., Ltd.

        油 liquid for system main/primary lower:

        1.元 parts abrasion loss  

         solid pellets 进入运动副间隙 in, for parts surface generate abrasion loss or is fatigue abrasion loss. high speed liquid in solid pellets for parts surface impact 引起冲蚀 abrasion loss. liquid in water and liquid oxidation 变质 生 formed material for parts generate function.

        2.元 parts and fault/failure

         solid pellets liquid pressure 阀 间隙 and 孔口, 引起阀芯 retardant and 卡紧, effect/influence as property can, 甚至导致严 heavy 事故.

        3. accelerated liquid property can poor 化

        油 liquid in water and gas, in high temperature lower oxidation, liquid in metal micro for liquid oxidation important catalytic function, liquid in water and bubbles significantly reduce 运动副间油 film strong/high degree, reduce lubricated property can.

        一, material types type

         solid 态污染 material: can separation formed hard 质污染 material, has: rigid 石, 切削, silicon 沙, 灰尘, abrasion loss metal and metal oxidation material; soft 质污染 material has: additives, water poly material, material separation understanding material and polymer and repair belt/tape 入 棉 filament, fiber.

         liquid 态污染 material: usually is combined system requirements 切槽油 liquid, water, coating material and chlorine and its material and other, usually difficult 以 掉, therefore in selection liquid pressure need selection combined system standards liquid pressure 油, 避免一 不 necessary fault/failure.

         gas 态污染 material: main/primary is mixed system in gas. this pellets fine small, can lower, 悬浮于油 liquid upper, most rear by to various 阀 间隙之 in, for can injection molding machine liquid pressure system 说, this 间隙 整洁, for achieve has control, important property and property is important.

        二, material 源

         system liquid in material 源途径 main/primary has below/following several 方面:

         external 侵入 污染 material: and use ring 境息息 related, main/primary is large gas in or 尘埃, usually through gas 孔, 油缸 封轴, and and other 轴侵入 system.

         internal material: 元 parts in processing 时, assembly, debugging, packaging, 储存, and and other step/link in 残留 污染 material, has specialty parts in assembly and debugging need in 洁净室 or 洁净台 ring in 进行, 以期改良.

         injection molding machine liquid pressure system generate material: system in as process in due to parts abrasion loss generate pellets, parts upper lower 砂粒, 泵, and upper lower metal pellets, pipeline inner 锈蚀剥落 material its liquid oxidation and separation understanding generate pellets and material, more is heavy is system pipeline in positive 式投入 as front has 经 冲洗而 has a large amount of 杂质.

        三, system 维护

        一 system in positive 式投入之 front generally need 经 冲洗, remove in system inner material, metal 屑, fiber combined material, iron and other, 建议按 lower steps system 油路:

        1) use types easy dry solvent agent 清洗油箱, again use 经 滤 空 gas remove solvent agent 残渣.

        2)清洗 system full tube/pipe 路, certain lower need tube/pipe and 接头进行浸渍.

        3) in tube/pipe in 装油滤, 以保护阀 供油 tube/pipe and pressure tube/pipe 路.

        4) in device upper block sheet/plate 以代替 precision 阀, electrical liquid 伺服阀 and other.

        5)检查 has tube/pipe dimensions is combined 适, is positive 确.

         need is system in use to electrical liquid 伺服阀, 伺服阀 冲洗 sheet/plate need make liquid can from tube/pipe toward device, 并直接返回油箱, this can let liquid 反复流通, 以冲洗 system, let 油滤滤掉 solid pellets, process in, 每隔1～2 small need 检查一 lower 油滤, anti by material 堵塞, 此时旁路不 need 打开, is 发现油滤开始堵塞就马 upper 换油滤.

        冲洗 cycle system and system 污染程 degree 决定, 若 滤介质 Sample has or is very less outer material, upper new 油滤, lower sheet/plate, upper as!

         has plan 维护: system 定期维护 made degree, for injection molding machine liquid pressure system relatively good made degree 建议如 lower:  

        1)至 more 500 small or is month need and more 换油滤.

        2)定期冲洗油泵 Imported 油滤.

        3)检查 liquid pressure by 污染情况, liquid pressure odor can large identification is 否变质.

        4)修护 good system in 泄漏.

        5) ensure has outer pellets from 油箱 通 gas cover/cap, 油滤 塞 base/seat, tube/pipe 路 密封 gasket and other 开口处进入油箱.