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電泳技術(shù)

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槽的設(shè)計(jì)和結(jié)構(gòu)簡(jiǎn)介中英對(duì)照版

1457 人參與 2011年11月07日 03:18 分類 : 電泳設(shè)備電泳設(shè)備工藝評(píng)論

槽的設(shè)計(jì)和結(jié)構(gòu)簡(jiǎn)介中英對(duì)照版，這里只是簡(jiǎn)單介紹一下，資料是國(guó)外的，所又把英文的也放出來(lái)，供大家參考 槽的設(shè)計(jì)和結(jié)構(gòu) This section is concerned, mainly, with two areas: Techniques to keep the paint in the tank moving to prevent settling, and Methods of filtering to keep the paint? clean ?????????????????????? 此節(jié)主要涉及兩各方面 ???????????????????? 1 .保持槽中涂料運(yùn)動(dòng),? 防止沉淀的技術(shù)。 ????????????????????? 2.保持涂料清潔的過(guò)濾方法。 Although all of the suggestions cannot be applied to any one existing tank, the concepts included here represent objectives which your tanks should achieve.? The direction of paint flow refers to the direction of the movement of the top of the tank relative to the vehicle. Most tanks move the paint in the same direction in which the vehicle moves. 雖然提供的全部建議不可能用于每個(gè)現(xiàn)有槽上，但這里包含的概念是你們的槽要達(dá)到的目標(biāo)。槽液運(yùn)動(dòng)方向指的是液面的運(yùn)動(dòng)方向相對(duì)于車身的運(yùn)動(dòng)方向。大多數(shù)電泳槽的槽液運(yùn)動(dòng)是與車身移動(dòng)的方向相同。 This flow is accomplished by circular movement of paint in the tank: paint flows along the tank floor, up the entrance incline, across the surface, and down the exit incline. Moving the paint at two to four times the velocity of that of the vehicle minimizes settling on the horizontal surfaces. 在槽中的循環(huán)運(yùn)動(dòng)帶動(dòng)槽液的流動(dòng)；槽液沿著槽底從進(jìn)口端斜面朝上流，經(jīng)表面再?gòu)某隹诙诵泵媪飨隆２垡阂攒嚿硪苿?dòng)速度的2~4倍流動(dòng)，使水平面上的沉淀減到最少。 Concepts (such as the radial entrance lip) improve movement, making it smoother and more continuous and help to eliminate pigment settling on horizontal? surfaces within the tank, which? can cause dirt to collect on the unit being coated. 新的設(shè)計(jì)原理（象進(jìn)口端部弧形導(dǎo)流板）改進(jìn)流動(dòng)狀態(tài)，使槽液流動(dòng)平滑且更連續(xù)，有助于減低顏料的沉淀機(jī)會(huì)，此種沉淀在被涂漆工件上聚積而成顆粒。 Bottom front-end filtration is another? concept designed to reduce dirt. Most dirt is too heavy to stay suspended in the paint over the entire tank length and, thus, be carried into the weir. Settling to the tank floor, the dirt is carried forward where it is picked up in the front-end filtration system. 底部前端過(guò)濾是另一種減少顆粒的設(shè)計(jì)原理，大部分顆粒較重，不能在流過(guò)整個(gè)槽子長(zhǎng)度時(shí)懸浮于槽液中被帶入溢流槽中而沉降到槽底，這些顆粒就被帶向前端過(guò)濾系統(tǒng)然后被抽出過(guò)濾。 The thirty-degree angle of entry is a compromise which permits the vehicle to be quickly submerged in the paint while keeping tank depth to a minimum. These criteria are important with conventional conveyor systems. Pendulum conveyors, which permit rotation of the body to greater angles, can accomplish steeper entry in the same depth as standard conveyors. Steeper entry angles on the tank will make "turning" the paint easier at the entrance end. 30度的入槽角是既使工件迅速地侵入槽液中，又能保持槽的深度最小的擇中方案。這些規(guī)范對(duì)常規(guī)的運(yùn)輸系統(tǒng)是重要的。允許車身旋轉(zhuǎn)大角度的楔桿運(yùn)輸鏈，可以與標(biāo)準(zhǔn)運(yùn)輸鏈同樣的槽深度情況下實(shí)現(xiàn)更陡的入槽角，較陡的入槽角將使槽液在入口的端“轉(zhuǎn)向”更容易。 Clearances of 18 inches between the body and the tank walls and the floor are recommended to permit the inclusion of internal tank equipment without danger of interfering with vehicle movement through the tank. A vehicle touching internal tank equipment could result in an electrical short which could damage rectifiers and ruin the vehicle. Doors should be secured by hold-open devices to permit good drainage and prevent accidental opening while in the tank. 建議車身與槽壁及槽底之間的間隙要留18英寸以安裝槽內(nèi)結(jié)構(gòu)件，使車身通過(guò)槽子時(shí)保證安全。車身與槽內(nèi)結(jié)構(gòu)件相碰會(huì)導(dǎo)致短路，會(huì)損壞整流器和碰壞車身，車門要用開(kāi)門夾固定使排液良好及防止門在槽中意外地打開(kāi)。 A depth of 12 inches of paint between the surface and the top of the vehicle should be maintained to prevent disturbing of the surface paint movement and aid in Throwpower and roof film build. The rapid flow of paint over the vehicle horizontals will minimize the settling of pigment and dirt on these surfaces. 車身頂部與槽液之間要保持12英寸深度以防止干擾表面漆液運(yùn)動(dòng)，有助于槽液的泳透力和頂層漆膜的形成。車身水平表面上方的槽液快速流動(dòng)將最大限度地減少顏料和雜質(zhì)在這些表面上沉淀。 The electrocoat tank is lined with a fiber-glass-epoxy composite material to provide electrical insulation. The steel tank is usually at earth (grounded) potential, the same potential as that of the vehicles being coated. If the tank were not insulated, coating would occur on the tank walls and floor, permitting a paint build-up which would break loose to contaminate the tank. Obviously, breaks in the tank lining cause the same kind of problem; thus, periodic inspection of the lining is necessary. 電泳槽要用環(huán)氧玻璃鋼襯里以與槽液絕緣。鋼槽接地，電荷與被涂工件相同。如果槽子不絕緣，電泳槽壁和槽底會(huì)涂上漆，到一定厚度時(shí)碎落的漆膜會(huì)污染槽液。雖然，槽內(nèi)襯里破裂亦會(huì)導(dǎo)致同樣的問(wèn)題。所以，定期檢查襯里是必要的。

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