G公司油漆車間中的顆粒和纖維.pptx

油漆車間中的顆粒和纖維 Dirt and Fiber In Paint Shop,1,APAD技術(shù)服務(wù)交流 Paul Pan 2012年6月8日,PPG Total Service Solution for Customer PPG為客戶提供一體化的解決方案服務(wù) Paint Shop Serious Issue-Dirt and Fiber 油漆車間中至關(guān)重要的控制-顆粒和纖維,議程 Agenda,The Service Specialist-PPG APAD 服務(wù)專家-PPG APAD,We work for your success every Day,1,3,2,4,6,5,我們每天的工作都是為了您的成功,Paint Shop Serious Issue- Dirt & Fiber 油漆車間的重要缺陷-顆粒和纖維,Where does Dirt & Fiber come from? 顆粒和纖維來自何處,從噴槍或Bell的出口油漆狀態(tài)：油漆、調(diào)漆過程、供漆系統(tǒng)及供漆管路 、噴涂系統(tǒng)等,噴涂的工藝流程和操作人員（待噴涂件處理）,噴涂環(huán)境和噴涂工件流轉(zhuǎn)環(huán)境,籠統(tǒng)的說: 一切與噴涂油漆、待噴涂工件和噴涂過程及噴涂后工件接觸的物品、環(huán)境、人員都可能造成下線噴涂件的顆粒和纖維絲缺陷,Dirt & Fiber Sources 顆粒和纖維的來源,Dirt Sources Outside Paint Shop 來自噴房外的顆粒,Construction and road/field dust 建設(shè)道路或工地的顆粒 Soot and exhaust smoke 煙塵 Fly ash and other smoke stack particles 空氣中的灰塵或其它空氣中懸浮物 Pollen, insects, and other natural sources 花粉、昆蟲或其他自然界的物質(zhì),Finding Dirt Sources in a Paint Shop 在噴房中尋找顆粒的來源,Very difficult 很難 Often many sources通常有很多來源 Observe process - look at all steps carefully觀察工藝-仔細看每個細節(jié) Run panels on bodies在工件上掛板 Collect dirt - sweepings, dust/dirt on booth surfaces, two-sided tape on panels, wet clearcoated panels收集顆粒-噴房中的顆粒，用雙面膠粘在板子上，噴涂清漆檢查,An Effective Dirt “Program” 有效的查找顆粒程序 Plant dirt audits/surveys.工廠顆粒調(diào)查 Analysis and comparison of dirt defects on units with dirt specimens collected. 分析并比較現(xiàn)有顆粒的缺陷和保留的顆粒樣板的缺陷差別 Detective work to find the sources of the dirt.仔細偵查以便找到顆粒的來源 Work with plant people (especially Dirt Team) to reduce dirt, improve appearance.和工廠人員（顆粒小組）一起行動有效減少顆粒，改善外觀,Dirt & Fiber Audit/Survey 顆粒纖維的審核、查找,Solving Dirt & Fiber Problems 解決顆粒和纖維缺陷,1,1,2,3,4,5,Identification of Dirt & Fiber 鑒別顆粒和纖維缺陷,Similar to the identification of any defect 與鑒別其他缺陷類似。 Use your eyes and experience 用眼觀察，用經(jīng)驗判斷。 Use hand lens or small microscope. 使用手動放大鏡（25倍）或小型數(shù)碼顯微鏡。 Bring or send samples from the field to the laboratory. 送樣本至實驗室檢查。 Remove the dirt from the part or panel or cross section the defect area, then use a light microscope. 取出顆?；蛘哳w粒截面，用光學顯微鏡檢查。 Setup Dirt & Fiber Picture Databank 建立顆粒和纖維缺陷照片數(shù)據(jù)庫。,Prevention of Dirt & Fiber Problems 預防顆粒和纖維缺陷,Clean raw materials 原材料清潔 Clean paint 涂料清潔 Clean paint shop (isolated from the rest of the plant if possible) 涂裝車間清潔(最好與工廠其他車間隔離) Clean, dry air supply (environmental and compressed air) 送風系統(tǒng)清潔（環(huán)境，壓縮空氣） Low lint protective clothing and wiping cloths 低棉防護衣物和抹布,Properly trained, disciplined work force 訓練有素，紀律嚴明的工作隊伍 Need effective cleaning the plastics to remove impurity with antistatic, etc. 可以使用抗靜電的物質(zhì)去有效的清潔塑料基材底材等 Minimize sanding of coatings 最小化涂料的打磨 Remove dirt and dust by good tacking and wiping techniques, effective blow offs 良好的擦拭或吹掃技巧 Protect stored parts and bodies from dirt fall-out 防止灰塵沉降在存儲部件上,More Prevention Recommendations 其他預防推薦,Restrict entry to booths and tunnels to those people who must be there (people = dirt!). 嚴格管控涂裝間人員進出（人=污染源！） Design or change system so that last application stage is automatic to reduce overspray and keep people out of the area. 自動化的生產(chǎn)線，減少過噴，防止人為污染源 Raise level of gun and bell maintenance. Use two sets of tips and bells: one for operation, the other for checking, cleaning, and repairing. 提高噴槍和旋杯維護級別。使用兩套設(shè)備，一套在作業(yè)時，另一套用來檢查，清洗和修護。 Keep booths clean (clean every night if possible, weekly if not). 保持車間清潔（最好每晚清洗，不行的話，每周清洗）,Prevention of Dirt Problems - Plant Strategy 預防顆粒缺陷 車間策略,Keep environmental dirt out of the plant 防止作業(yè)區(qū)周邊環(huán)境帶來的顆粒 Control process to prevent generation of dirt 施工流程管控，防止顆粒產(chǎn)生 Collect and remove dirt that does appear 收集及去除已存在的顆粒 Protect bodies from dirt fallout 防止顆粒沉降在工件上 Clean units that do get dirty 清潔已污染的地方 Carry out frequent audits to evaluate dirt situation and determine progress in improving it. 經(jīng)常審核評估顆粒情況，確定改進方法,Other Defects That Look Like Dirt 其他疑似顆粒的缺陷,Defects That Look Like Dirt 疑似顆粒,Spray Application and “Dirt” 噴涂作業(yè)中的“顆粒”,Paint droplets (drops, spits, overspray) 涂料液滴 （滴，濺，過噴） Solvent pops and air bubbles 溶劑氣泡和空氣氣泡 Gassing from plastic parts 塑料件本身的氣泡 Substrate defects 其他底材缺陷,A lot of dirt is not dirt at