berita perusahaan tentang Seluruh proses lapisan elektroforetik

The entire electrophoretic coating process can be divided into four parts: ● Pre-treatment ● electrophoresis ● Post-washing ● drying The whole system process is shown in the following figure: ● Pengolahan:Setelah degreasing, the workpiece is modulated and phosphating, so that a uniform and dense phosphating film is formed on the surface to prepare for entering the electrophoretic tank.direct current is passed between the workpiece and the corresponding electrode arus langsung disalurkan antara benda kerja dan elektroda yang sesuai. Under the action of an electric field, partikel cat are adsorbed to the workpiece and deposited on the surface. When the film reaches a certain thickness, electrophoresis stops. At this time,Remove the workpiece from the tank Menghilangkan benda kerja dari tangki, bilas off the floating paint after washing, send it to the oven for curing. one Pre-treatment Proses degreasing, pickling, rust removal (jika perlu), surface conditioning,Phosphating to prepare for the next step of electrophoresis disebut pra-pengolahanUntuk mendapatkan lapisan elektroforetik yang baik, cleaning dan phosphating adalah tautan yang sangat penting.and the treatment process includes spray and impregnation dan proses pengobatannya termasuk penyemprotan dan impregnasiThe simple steps of pre-treatment can be expressed as follows (for steel parts, for example):pre-degreasing → degreasing → water washing → Rust removal (if necessary) → deionized water washing → surface conditioning → phosphating → deionized water washing 2. The electrophoretic workpiece shall enter the electrophoretic tank after pre-treatment.. The electrophoretic workpiece shall enter the electrophoretic tank after pre-treatment.The state of the workpiece before entering the tank must ensure that the surface of the workpiece is free of oil and rust The state of the workpiece before entering the tank must ensure that the surface of the workpiece is free of oil and rust, the phosphating film is uniform, the surface temperature of the workpiece should be below 40°C, and the workpiece should be completely dry or wet before entering the electrophoretic tank.Uneven wetting and drying may lead to patterns or markings on the paint film (Tidak merata basah dan mengering dapat menyebabkan pola atau tanda pada film cat). The components of the electrophoretic tank system and their functions: ● DC power supply (rectifier) - provides direct current to enable electrodeposition.● Sistem sirkulasi utama - termasuk pompa sirkulasi, jet pipe and filter, to ensure that the tank mixture is uniform, while removing particulate pollutants and impurities in the tank, untuk memastikan bahwa campuran tangki adalah seragam, sementara menghilangkan partikel dan kotoran di tangki.● Ultrafiltration system - controls the conductivity of the tank fluid (Sistem penyaringan ultra - mengontrol konduktivitas cairan tangki), provides ultrafiltrate after cleaning the workpiece, and recovers the float paint. ● Heat exchanger - Control tank temperature.After the workpiece is washed out of the ultrafiltration Setelah benda kerja dicuci dari ultrafiltrasi, the ultrafiltration is used to wash off the floating paint attached to the surface of the paint film. The floating paint can be recovered to the tank,yang meningkatkan tingkat pemanfaatan cairan cat dan memastikan film cat yang halus dan indahThrough the circulation system, the cleaning solution is also recovered to the tank solution, so that the painting efficiency can reach more than 95%. melalui sistem sirkulasi, larutan pembersih juga dipulihkan ke larutan tangki, sehingga efisiensi lukisan dapat mencapai lebih dari 95%.The use of closed cycle cleaning can effectively remove and recover the floating paint (penggunaan pembersih siklus tertutup dapat secara efektif menghilangkan dan memulihkan cat terapung), sehingga tingkat pemanfaatan cat.The ultrafiltrate obtained by ultrafiltration (containing low molecular weight substances such as deionized water and solvents) adalah bagian integral dari cleaning solutionThe cleaning area includes a series of separate spray cleaning rooms or dip cleaning rooms. The first few steps are cleaned with ultrafiltrate and cleaned with fresh deionized water. The cleaning area includes a series of separate spray cleaning rooms or dip cleaning rooms. The first few steps are cleaned with ultrafiltrate and cleaned with fresh deionized water.Ada cukup waktu pembuangan antara setiap cuci. After a wash, almost all of the wash can be recovered. Most of the electrophoretic coating lines use automatic air dryer to remove the moisture on the surface of the paint film before the workpiece enters the drying room to prevent the formation of water marks. 3. After drying, curing, cleaning and drying, the workpiece enters the drying room, and the paint film achieves its performance through cross-linking curing. Setelah pengeringan, pengeringan, dan pembersihan selesai,Different electrophoretic coatings use different baking temperatures Different electrophoretic coatings use different baking temperatures Different electrophoretic coatings use different baking temperatures Different electrophoretic coatings use different baking temperatures, biasanya setidaknya 20 menit baking time at the specified process temperature.This design is conducive to the workpiece through different temperature zones (desain ini kondusif untuk benda kerja melalui zona suhu yang berbeda), gradually remove volatile substances, prevent solvent spots and water marks, so that the paint film reaches the level, get a good appearance of the paint film.