Buc va tap (vat la) trong lop phu o to la khuyet tat khi mang son wet con mo bat va chon vat the lang: bui bay trong khong khi, soai, hat phun khuo kho, bui chan, vay rong nuoc hoac keo che lang, de lai diem nham hoac hat nan chon trong hoac giua cac lop da kho. Ban chat cua no la hat ngoai lai bi mang wet bat; khong giong hanh cung hay mat ca (khi silicone hay dau lam giam suc mat ngoai local), nang chim (bot khi mo vo be mat), hay vo cam va chay dro (loi chay lang). Mang wet la tam hap bui tu nhien, nen kiem soat buc bao gom bon mat: do sach buong, lau chi tiet truoc khi nap, lam viec wet tren day chuyen, va ngan sach danh bong.
TL;DR — Chap nhan truoc mot su that vat ly: hat lang khoang 5 micromet tro len da du de lai diem nham co the phat hien va can xu ly lai trong mang wet - day la dieu ma he thong loc buong muon kiem che. Kiem soat gom bon tay don. Mot, khong khi buong: giu van toc mat cat cua dong chang luu xuong gan 0.2-0.3 m/giay, loc cap khi hai ba cap (tho, trung, HEPA) va chenh ap duong nhe, sach khong khi quan ly theo khung ISO 14644-1. Hai, truoc khi nap: trung hoa tinh bot be mat bang khi ion va loai bo bui roi bang con lan hoac gau lau dinh. Ba, lam viec wet: danh giap wet giua cac lop, hoac loai het bui va kho flash-off truoc khi son lai. Bon, phat hien va khac phuc: ghi mat do khuyet tat theo hat/m2 va kich thuoc, mau sac, vi tri cua tung hat de truy van, sau khi kho danh giap theo cap (khoang P1500-P2000) va danh bong, nhung xu ly lai bi gioi han boi ngan sach lop phu 2K 35-55 micromet.
So lieu trong tam va moc chan doan
- Kich thuoc nhay khuyet tat: xu ly khong khi buong nham vao hat 5 micromet tro len, vi hat quy mo do trong mang wet da du tao diem nham co the thay duoi anh xeo va phai san bang. Hat lon hon va hat bi bat trong lop phu cuoi cung nang cao kha nang phai xu ly lai.
- Van toc dong chang luu: buong xuong auto thuong duoc giu gan 0.2-0.3 m/giay van toc mat cat - du nhanh de tro phun khuo va bui xuong, du cham de khong lam xao tron mang wet hay giam sat dung moi. Gia tri chinh xac theo thiet ke day chuyen va quy pham cua khach hang.
- So cap loc: cap khi thuong hai ba cap (loc tho, loc trung, loc HEPA cuoi cung), tam loc tran, lang san va thiet bi x ly ly phun khuo dong vai tro bat dau tien. Vat lieu loc phai thay theo chenh ap ro va ke hoach; neu khong se thanh nguon bui thu cap.
- Ngan sach lop phu: lop phu 2K thuong son kho khoang 35-55 micromet. Moi lan danh bong bao vai micromet, nen so lan xu ly lai co han; duoi chieu day toi thieu con lai theo khach hang thi phai son lai, khong duoc danh bong them.
- Khung sach: sach khong khi buong duoc quan ly theo lop nong do hat ISO 14644-1, xac dinh theo san pham, mau va khach hang; lop toi mau va bong cao nhay buc hon va doi hoi sach cung nhu kiem soat thong gio chat che hon.
- Do luong va truy xuat: dinh luong bang mat do khuyet tat (hat/m2) va ti le dat ngay lan dau (FTT), va ghi kich thuoc, mau, do cung, vi tri cua tung hat - nao ban gieng, nao sung, nao vi tri - de truy van nguon thay vi 'lau nhieu hon'.
Buc den tu dau: nguon, chan doan va phan biet
Mo truong: khi cap, tam tran, san va chenh ap
Khong khi buong la nguon ben ngoai lien tuc va thuong lon nhat. Tam HEPA tran bi hong hoac qua han, hay ron khi se thoi hat nho da bat lai vao vung; lang san, thung nuoc rua khi hay x ly phun khuo sau khi kho thanh bot; son cu bong ra tu thanh va tam huong bi dong khi cuon; mat chenh ap hoac mo cua cho khi bui nha may xam nhap. Dau hieu: buc ngan ngua, khong theo thu ty, xuyen qua nhieu chi tiet, tro khi hoac buong.
Chi tiet va vat lieu dau vao: bui roi, phoi, bui chat tach khuon
Bui, giay va nhua tha, phoi dam hay gia cong, bot talk hay silica tu chat tach khuon den cung voi chi tiet. Xu ly truoc than xe (photphat hoa, chuyen hoa zirconium) chu yeu lo dau va tao lop chuyen hoa tren kim loai; bui roi va hat nho bi tinh bot giu van can xa tinh va lau dinh truoc khi nap. Chi tiet nhua nhu nam cua hap bui do tinh bot, bo qua buoc lau truoc se khien buc gan nhu khong the tranh.
Nhan luc va vat lieu tieu hao: quan ao, soai va keo con lai
Nhan vien la nguon sinh buc chinh. Quan ao thong thuong roi soai, gant roi bot, gau lau roi lung, khau trang va de giay keo hat nham, va phim/keo che khi go roi de lai keo va manh vung. Buc soai dang soi keo dai hoac cuon, thuong nhiem mau lop nen va tro den nhan vien hoac vat lieu che.
Thiet bi va quy trinh: phun khuo kho va vay rong ong dan
Son phun khuo khi dung moi bay hoi thanh phun khuo kho, nguon noi tai dien hinh trong robot hay chung tinh dien toc do cao; roi lai vao mang wet thanh hat cung mau. Do do hieu suat truyen cao va khach tinh se phai di cung voi kiem che phun khuo va van toc khi phu hop. Vay rong bong ra tu vong cung cap va tuan hoan, hay sung/valve doi mau rua khong sach, cho hat cung mau cung.
Bui chan giua lop: nhiem cross-contamination
Bui chan khon hay wet cua lop trung gian bi chon boi lop wet tiep theo neu khong lo het, tao cum hat cung mau doc theo duong chan - cung bai hoc nhu kiem soat bui intercoat trong son go. Uu tien chan wet, hoac xa tinh, tham, lau dinh va de flash-off truoc khi son lai.
Phan biet buc voi hanh cung, nang chim va vo cam
Buc nho cao: vat la cung cam nhan duoi anh xeo hoac dau ngon tay, danh nhe lo ra loi. Hanh cung, mat ca va nang chim la loi vao trong - hanh cung la nui lua noi silicone hay dau keo lop son ra va lo day chat; nang chim la llot khi thoat. Xu ly mot loai nhu loai khac se sai huong; xem phan loai vi mo nang chim va hanh cung cua chung toi.
Phat hien va dinh luong
Danh gia buc theo mat do khuyet tat (hat/m2) va ti le dat lan dau, va lap 'van tay' hat: cung mau cung chi ra vong cung cap hoac sung ban; soai cuon nhi mau chi ra quan ao hoac che; bot xam chi ra chan hoac chat tach khuon. Doc so tay nay cung xu huong mat do va ty le dat de danh nguon lau va loc vao dung nguon.
Vong kiem soat: khong khi, chuan bi chi tiet, lam wet va xu ly lai
Khong khi buong va loc
Giu van toc mat cat cua dong xuong trong dai thiet ke (khoang 0.2-0.3 m/giay), duy tri so lan thong gio va chenh ap duong nhe, theo doi tuoi loc qua chenh ap ro va thay kip tam tran, loc trung va HEPA, va ve sinh tuong buong, lang san va x ly phun khuo theo ke hoach de loc khong thanh nguon bui. Quan ly cua va cua so thay chi tiet bang man khi hoac hut tre.
Lau chi tiet va xa tinh truoc khi nap
Truoc khi chi tiet vao buong, lam ba buoc - xa tinh, tham khi va lau dinh. Thanh hoac sung khi ion trung hoa dien tich be mat va thoat bui roi, con lan hoac gau lau dinh khong lung khong de lai keo loai bo phan con lai, va son ngay de tranh hap lai. Chi tiet nhua va lop toi mau bong cao loi nhieu nhat.
Lam wet va 5S tren day chuyen
Chan cac lop trung gian theo wet, hoac sau khi chan khon thi xa tinh, tham va lau dinh that sach va cho flash-off truoc khi son lai. Sau khi go phim che, lay bui truoc khi vao buong. Chon quan ao it roi soai, gant khong bot, gau lau khong lung; giu dung cu va chi tiet khoi san; 5S ve sinh theo tan suat co dinh va nguoi chiu trach nhiem. Tren day chuyen robot, kiem che phun khuo bang tuong hap tinh dien.
Xu ly lai: danh giap theo cap, danh bong va ngan sach chieu day
Buc da kho va chon co the san bang danh giap theo cap (khoang P1500-P2000) roi danh bong. Nhung moi lan tieu ngan sach lop phu 2K 35-55 micromet, nen quyet dinh xu ly lai dua tren chieu day con lai do duoc - duoi gioi han cua khach hang thi dung va son lai cuc bo hoac toan bo, thay vi danh bong thung lop phu den lop nen.
So sanh buc voi cac khuyet tat mang wet khac
| Khuyet tat | Co che hinh thanh | Kich thuoc hinh dang | Nguon chinh | Khac phuc va xu ly lai |
|---|---|---|---|---|
| Buc / vat la (nib) | Vat the lang bi mang wet bat va chon | Tu 5 micromet tro len; diem nham, thay duoi anh xeo, danh di duoc | Khi buong, bui chi tiet, soai nhan luc, phun khuo kho, bui chan | Kiem soat sach va loc, xa tinh va lau dinh, lam wet; sau khi kho danh giap va danh bong |
| Hanh cung / mat ca | Silicone hay dau lam giam suc mat ngoai local | Loi vao, lo day chat, vien nham cao | Chat tach khuon, wax, dau, khi nen nhiem dau, mo da | Cat nguon o nhiem va lam sach mat phan; hanh cung da hinh thanh thuong phai son lai cuc bo hoac toan bo |
| Nang chim (pinhole) | Dung moi, khong khi, khi nen thoat truoc khi kien | Lo tron nho, som trong qua trinh kien mang | Flash-off khong du, lop wet day qua, day chat phong | Keo dai flash-off, lop mong hon, kien day chat; danh bong giam bot it khi het |
| Vo cam | Chay lang khong du de lai van lien tuc | Song lien tuc, khong phai khuyet tat diem | Do nhot, ap suat khi, khoang cach hay nhiet do sai | Chinh cua so quy trinh; xu ly lai bang danh giap va danh bong |
| Chay dro (sag) | Chieu day wet du qua chay xuong theo trong luc | Cot va re, thuong o le duoi tam thang | Qua nhieu mang wet, flash-off khong du | Kiem soat chieu day va flash-off moi lop; danh phang va son lai sau khi kho |
Cau hoi thuong gap
Phan biet buc voi hanh cung va mat ca bang mat thuong nhu the nao?
So va soi anh ngheng. Buc nho cao, cung va danh di duoc ma lop duoi con nguyen ven. Hanh cung va mat ca loi vao, thuong lo day va vien nham cao, khong danh het - phai son lai. Mau cung giup ich: hat cung cung mau chi ra vong hoac sung ban, soai nhi mau chi ra quan ao hoac che, bot xam chi ra chan hoac chat tach khuon. Khi nghi ngo thi cat mat cat va soi kinh lup, nhu bai phan biet nang chim va hanh cung cua chung toi.
Nang van toc khi buong cao hon co nghia la it buc hon?
Chac chan khong. Van toc tro phun khuo va bui xuong, nhung ngoai dai thiet ke (khoang 0.2-0.3 m/giay) se lam xao tron mang wet, lech luoi phun, kham kho qua nhanh be mat va day phun khuo kho quay lai chi tiet - co the lam tang khuyet tat hoac gay vo cam. Cach dung la giu van toc thiet ke, loc con hieu qua, chenh ap duong va kiem soat cua, khong phai cu tham manh hon.
Dieu gi xay ra neu son lai ma khong lay het bui chan?
Lop wet tiep theo se chon bui chan, tao cum hat cung mau doc theo duong chan - ki vi nam tai mat phan giua lop. Chan wet khi co the; neu chan khon thi xa tinh, tham va lau dinh that ky, cho flash-off roi son lai. Viet 'lay bui sau khi chan' vao tieu chuan va theo doi bang ti le dat lan dau re hon nhieu so voi danh bong ve sau.
Tai sao day chuyen robot lai phai chu y sach va phun khuo kho hon?
Robot va chung tinh dien khach tinh, chay nhanh voi hieu suat truyen cao va sinh nhieu phun khuo, khi kho thanh hat nho va roi lai thanh hat cung mau. Tu dong hoa giam bui do nguoi nhung tang nguon noi tai phun khuo kho, nen phu thuoc nhieu hon vao kiem che phun khuo (tuong nuoc, hap kho, tuong tinh dien), van toc dung va bao tri tran san. Cang toi mau va bong cao thi cang quyet dinh.
Danh bong co het duoc buc va gioi han xu ly lai?
Khong, va co. Buc da kho chon co the san bang danh giap theo cap roi danh bong, nhung moi lan tieu ngan sach lop phu 2K 35-55 micromet. Duoi gioi han con lai cua khach hang thi khong duoc danh bong vi se thung lop phu xuong lop nen, phai son lai cuc bo hoac toan bo. Xem xu ly lai nhu tai khoan chieu day, khong phai lan thu hai mien phi.
Truy van nguon tu chinh hat thay vi chi lau nhieu?
Gi so tay 'van tay' hat: phan bo kich thuoc, mau, do cung va vi tri xuat hien (mat nao cua tam, tap trung o sung, vi tri hay ca lam nao). Hat cung mau cung chi ra vong cung cap hoac rua doi mau khong sach; soai cuon nhi mau chi ra quan ao hoac che; bot xam chi ra chan hoac chat tach khuon; hat nho ngan ngua qua nhieu chi tiet chi ra khi buong hoac loc. Doc so tay cung mat do va ti le dat de huong lau va loc vao dung nguon.
Cap nhat lan cuoi: 2026-10-07 | Co so: '5 micromet tro len la muc bat cua buong, van toc mat cat dong chang luu khoang 0.2-0.3 m/giay, loc cap khi hai ba cap' tu tai lieu cong co ve lam sach khong khi cho buong son o to (vi du MayAir giai phap sach buong son); lop sach khong khi theo khung ISO 14644-1; lop phu 2K 35-55 micromet, mat do khuyet tat hat/m2, ti le dat lan dau, chan wet/khon va xu ly lai bang danh bong theo thuc hanh thong dung cua hoan thien o to. Van toc, cap loc, muc sach, chieu day va gioi han xu ly lai thuc te theo thiet ke day chuyen va quy pham hien hanh cua khach hang, thay doi theo mau, do bong, mua, am va trang thai thiet bi; xac nhan bang mau dau tien va do luong tai xuong. Tac gia: doi ky thuat Cong ty TNHH Vat lieu moi Kexin (Quang Dong). Dieu kien thuong mai: chi EXW/FOB.