I. Hanh trinh xu6ng:
2.Xac djnh chi~u day 6ng d§n:
Chi~u day 6ng d~nduoc tinh thea cong thirc:
[a]=lO5P.d N/m
2.S
Trong do:
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SVTH: PHAUM DUY NGHEA
- B6i tron may
- Sau khi lam viec.
Thu don phoi dap va san pham van dung ch6 quy dinh .Neu ca sau khong d~p thi thao khuon, boi dftumO' va dt van noi quy dinh .V~ sinh cong nghiep
noi lam viec ,ban giao khu6n va may cho ca sau.
-Trong khi lam viec khong cho tay van khoang giua khuon phai d~t phoi
dung vi tri vua khuon theo dung quy dinh .Khong duoc phep dap, ba ph6i tnmg
nhau. Chieu dai va mac kim loai cua phoi d~p cling nhu cac nguyen cong va
buoc dapphai dung thea qui trinh cong nghe .
Trong khi lam viec phai thuong xuyen kiem tra lai kich thich va hinh dang v~tdap, n~u san pham khong dung yeu du ky thuat thi phai dung may bao cho
can be>ky thuat nha may bi~t d~ bi~tde giai quyet, khong ki~m tra va boi tron dftumO'khi may dang lam viec.
Kh6ng cho phep nguoi chua duoc huan luyen va nguoi khong co trach nhiem sirdung may.
Trong khi lam viec :
Truce khi lam viec nguoi cong nhan phai xem lai dan, mo boi tron co du khong, cac be>phan chuyen de>ngco duoc che chan t6t khong.Cho may chay thu xem may lam viec co t6t khong voi khuon da l~p va chinh xong ,hoac khi giao ca, phai dap thir xem khuon l~p lam viec co t6t khong. Khi l~pkhuon len may, phai kiern tra chiSu cao kin cua khuon, n~u co be hon chiSu cao kin t6i da cua may thi moi duoc lap.Khi l~p khuon phai d~tay van tudien cua may dung ch~
de>diSu chinh, cho may len xuong nr nrva chinh dftn cho chieu cao kin cua may
bang chieu cao kin cuakhuon, b~t khuon tMt chat r6i dap thi nghiern.
DiSu d~c biet dn chu y d6i voi may ep thuy h:TC la phai ki~m tra lai h~ thong born, cac van, n~uchung lam viec t6t va bao dam ap sufit dn thi~t thimoi
cho may lamviec .Ki~m tra lai chat long lam viec, neu it thiphai cho them vao,
n~u chfitlong kh6ng du tieu chuan ky thuat thi chfitlong maio - Truac khi lam viec
Nguyen ticbao quan vasU'dung
CHUONG VII
BOI TRON vA BAo DUONG MAyD6 AnT6t N ghiep