•aEnssscQNG NGHS NGHIEN COfUVA CHE TAO MO HINH MAY CAT DAY DIEU KHIEN BANG MAYTINH RESEARCH AND FABRICATION WIRE CUTTINGMACHINE MODEL CONTROLLED BY COMPUTER D a n g Xuan Thao, Pham Van Bong, Nguyen Hong Son, Nguy4n Chi Zin Tomtlit B^i vilt nghien cdu va che tao mo hinh miy c3t day dieu khien bang may tinh de phuc vu cho dao tao cua trudng Dai hoc Cong nghiep Ha Npl Mo hinh may difuc sttdung lap trinh bSng phan m^m VIsuabasic, ngudi ii! dung chi can nhap du' lieu dSu vao, phan mem se tu dieu khien hai dSng co bdn may Uiong qua bdng mach dieu khien ChUflng trinh lap trinh la chucfng trinh md de co the xay dung them cac mo dun khac vd phdt tnen nang cap md hinh may Tir Mida: Mdy cdt day; mo hinh; phan mem VIsuabasic Abstract The paper examines the design model of wire cutting machines controlled by computers The process Is used for training in Hanoi University of Industry The machine model is programmed by Visuabasic software Users only enter input data The software will control automatically two engines through the control circuit board.Thanks to open program, other modules can be built and the machine model can be upgraded Keywords: Wire cutting machine; model; Visuabasic software ThS Bang XuanTliao; TS Pham Van Bong; ThS Nguyen H6ng Son, ThS Nguyen Chi B Jo TrUimg Bai hoc Cong ngtiif p Ha Noi Email: xuanthaD.haui@gmail.coni 1.GI(?ITHI|U Nghien cijfu va che tao mo hinh may Celt day dieu khien bang may tinh phuc vu dao tao cua trudng Dai hpc Cong nghiep Ha Noi nham dap ufng nhu cau cap thiet ve mo hinh hpc tap cua hpc sinh - sinh vien va giam dang ke chi phi dau ta thiet bj, may moc gop phan tiet kiem ngan sach cho nha tradng Vdi muc dich do, nhom tac gia da tiing budc nghien ctru, xay dang so nguyen ly cua mo hinh may, thi nghiem xay dang mo hinh 3D tren may tinh Ngaynhanbai: 01/10/2014 Ngay ch^p nhan dang: 15/12/2014 thiet ke chi tiet, lap phieu cong nghe gia cong chi tiet, i^p rap dieu chinh va ket noi vdi may tinh, sau dd cho mo hinh chay thCf de khao sat cac thong so; Oien ap phong dien U ; Ddng phdng tia ICfa dien 1^; Dien ap danh lira U^; Thdi gian phdng tia ICra dien t^; Bp tre danh lira t^; Do keo dai xung t,; Khoang each xung t^; Khe hd phdng dien 2.THIET K^ M HlNH MAYCAl DAY 2.1 Thiet ke sof nguyen ly cho mo hinh may Mo ta so nguyen ly mo hinh may TapdiiKHOAHOC&CONGNGHE So (hinhl): Ban may mang phoi c§t daoc di chuyen nhd hai ddng cd servo {£)6ng CO true X va dong cP true Y) thdng qua hai vit me dai 6c bi Bong cd true X va ddng CP true Y dapc dieu khien thong qua mach dien tCf ghep noi vdi mif tinh Nhavay, saukhi nhapdCflifudSu vao (kieu bien dang eat, vj tri diem dau, diem euoi, tdc dp cat ) chaong trinh lap trinh xCf ly sd lieu roi truyen tin hieu ve mach dieu khien Vdi moi bien dang eat, mach dieu khien se rdi rac dieu khien dfing CO chay phoi hpp vdi de dila ban may chay theo bien dang can cSt (Chaong trinh lap trinh nap vao chip dieu khien) Vi du: Can chay di/dng eheo chaong trinh lap trinh se tinh toan de chia nhd doan t h i n g cSn chay nhieu phan, moi doan thing nh636 se duac chadng trinh mach di^u khien day so xung cho dong cO true X va ddng cd true Y nhan diiOC so xung taong dng vdi dCf lieu cCia di/dng eheo Tapng t a nha vay can na suy dadng trdn, elip chUPng trinh Idp trinh tren may tinh se xac djnh dU