M!Wii![»Mc6NG NGHE f^•^^-^^ c-it-j-o PHlfONG PHAP DO TOPOGRAPHY BE MAT CUA DA MAI BANG CAM BIEN LASER MEASURING TOPOGRAPHY SURFACE OF GRINDING WHEEL BY LASER SENSOR Nguyen Van Thler N g u y i n Huy Nin Tomtit Topography be mat ciia da mai la mpt cac yeu to quan quyet djnh nang suat, chat luong be mat vS hieu qu^ kmh te ciia qua trinh mai No anh hudng den luong bbc kim loai, nham be mat, life mai va tuoi ben cua da Vi&e danh gia Topography be mat cua da mai de dUa nhiing quyet dinh cbng nghe hdp ly la rat can thiet Noi dung bai bao trinh bay phuong phap cac thong so dac trUng eho Topography be mat ciia da mai Tt( khoa: Topography, tuoi ben, iKong boc, nham, lUc mai Abstract lam thay doi tuoi ben cOa da va chi lupng be mat chi t i l t mai Do vie nghien cLfu danh gia Topography-E^ be mat da mai de cd bien phap ki^i soat no qua trinh mai la ratca thiet Bai bao de cap den phacjng pha Topography cua be mat da m bang dau Laser TOPOGRAPHY COA B£ M|i OA MAI VA CAC PHU'ONG PHAP D Topography surface of grinding wheel is one of the very important factors to determine the productivity, TOPOGRAPHY 2.1 Topography ciia be mat da m B l mat cua mot vM ran la phin v wheel to determine the most suitable technology is very necessary The content of this article presents the xac djnh nhflng ranh gidi giu'av the measuring methods of the specific parameters of topography surface of the grinding wheel ran va moi trudng xung quanh nai Keywords' Topography, Wheel redress life cycle, removal volume Surface Roughness, Grinding Force mat cua vat ran chu'a dung nhilu thu tinh, chu yeu la cac thuoc tinh hinh he ThS Nguyen Van Thien Ktioa Co khi,Trifc(n9flai tioc Cbng nghiep Ha Noi Ngay nhan bai: 23/07/2013 Tap hpp cac loi Idm cua mpt b l matv TS NguyenHuyNinh,TririfngeaihDcBachkhoaHaNai Ngay diap nhan dang: 04/10/2013 ran daoc xac djnh khong gianI Email: thiennv@ihaui edii.vn chilu vdi nhufng dac trUng cu the c no thi dUPc gpi la Topography De da hpc cCia cac Ia6i cat va cac tinh chat 1.£)ATVAND€ gia Topography cua da mai hien r IVlai la mot phiicfng phap gia cong on dinh cOa chung Dadi tac dpng cCia ngadi ta dUa cac thong so mo ti c CO vi tri rat quan trpng gia cong cac lac cat, rung dpng va nhiet dp phat diem chinh, nhflng net dac trflng c CO dac biet la co chinh xac, bcri sinh qua trinh c^t, moi mot lacii Topography cCia be mat 3D: vi mai tao dUdc cac chi tiet may co dp cat tren be mat cua da mai dan dan bi Can b|c hai cCia Sai lech tru chinh xac cao, chat liJOng be mat cao pha huy SJ va dap co chu ky phat sinh binh binh phadng S^: la gia tri t va gia cong dUcJc cac loai vat lieu co cp moi lan cat cCia mdt Iu5i cat la nguyen trung binh binh phUdng cQa mgt pi' tinh cao ma cac phUdng phap gia cong nhan lam ladi cat bj mon, bj vdva hlnh be mat nam vung mSu, diftJc: khac kho hoac khong thuc hien du'dc cac ludi cat sac m6i, den mot luc djnh nhusau: Qua trinh mai duoc thac hien bSng so nao toan bo hat mai c6 the bj tach lu'dng Idn cac lUdi cat phan bo ngau khoi chat ket dinh NhQng hien taong Sq = nhien tren be mat lam viec cCia da mai, dan den thay doi Topography ban tao thanhTopography cua da Qua trinh dau ciia b l mat lam viec cua da mai, Chieu cao nhap nhd trung t tao phoi, lac mai, tinh cat got va dp ben anh ha6ng den ddng luc hoc qua cDa be mat S cOa da mai phu thupc vao dang hinh trinh mai va kha nang cSt cCia da mai surface quality and economical effects of the grinding process, it influences the removal volume, surface roughness, grinding force and wheel redress life cycle Assessing the topography surface of grinding YZrtKy?^ 46|Tap(hiKH0AHgC8