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NGHIEN CUU NGHIEN CLTU, THI^T K^, XAY DUNG QUY TRJNH CONG NGHE CH^ TAO HOAN C H I N H T R U C RANG C H O DONG MAY NGHIEN APATIT RESEARCH, DESIGN AND CREATE TECHNICAL PROCESS TO MANUFACTURE COMPLETELY THE DRIVEN GEAR SHAFT OF APATIT GRINDER TS Phan Thach H6 Vi?n Nghien cflu Cd - Bp Cdng Thfldng TOM TAT Bdi bdo gidi thieu nghien cdu ve true rang chu dong mdy nghien apatit tren cd sd khdo sdt thU che ldm viec tai nhd mdy Bdi bdo neu nhUng nghien cUu tong quan ve mdy nghien vd true rang ddng mdy nghien, tii dd tinh todn cdc thdng sd cua true rdng, kiem tra ben true rdng vd dUa thiit true rdng ehu ddng TU bdo cdo lap quy trinh cdng nghe gia edng true rdng chu ddng mdy nghien hdnh ehe tao true rdng dUa vdo lap ddt chay thil tai nhd mdy ABSTRACT This report research on the driven gear shaft based on reality survey in plant Report studied erally apatit grinder and the driven gear shaft, calculate parameters of this shaft, cheek strength of s and design the shaft From which, this report describe technical manufacturing process, manufactu shaft, erect and test in Lao Cai Apatit Plant DAT VAN DE Trong qui trinh lam vi^c, tryc rang chu ddng cua miy nghien apatit chiu tie dung cua md men uon May nghien li mdt thiet bi chuyen dung xoin, Iflc dpc true Dang hdng chii yeu cua true dupe sfl dung nginh Cdng nghiep khai rang li mdi, mdn va eae dang hdng ciia rang, khoang, Xay dflng vi Cdng nghiep vat heu da Do dd de tii "Nghien cflu, thiet ke, xay dflng quy dupe nhieu nUde tren the gidi nghien cflu che tao, trinh cdng nghe che tao hoan ehinh true rang chu da dang ve chung logi va kich cd dpng miy nghien apatit" nham dap flng cac yeu cau tren O nfldc, may nghien apatit chu yeu li miy ngoai nhap Trong do, mdt sd chi tiet mau MUC Tl£U mdn ehdng hdng chfla che tao dflpc vdi dieu ki^n nfldc Khi thay the cic chi tiet niy can phii - Nghien cflu, thiet ke, che tao true rang nhap khau tfl nfldc ngoii ve, dieu dd giy tdn chu dpng miy nghien apatit, thay the hang nhap kem ve kinh te va mat nhieu thdi gian chd dpi khau, tiet ki?m ngoai te TAP CHf CO KHf VIET NAM • So (Thang nam 20121- NGHIEN ClJfU - TRAO D I - DUa vio flng dung san xuat, tgo sin pham dat chat lUdng tdt phue vu cho nhu cau nfldc - Tao cdng an viec lam, tang thu nhap cho ngfldi lao ddng NOI DUNG 3.1 Nghien cflu tong quan ve true rang chu dpng miy nghien * Nguyen ly ldm viec cua mdy nghien apatit: Vat lieu dflpc ngp qua cfla nap (1), nhd bd nap lieu tang trdng (2) phia cd vich ngan dang canh vit Vat lieu dflpc mue tflng me qua cd rdng loe phia (3) vao tang nghien (6) Phia ngoai ed rong cd lap cd true (5) due lien vdi mat bieh ben trai eiia tang nghien v i ed true dflpc lap vio d true (4) Be mat cua gdi dd bac ddi dien vdi be mat lim viec cua trUpt cd ciu tao dang cau v i tUa tren gii may (14 Dan ddng tang nghien nhd ddng ca, bd chuyen dai (13), cap banh rang hd (8) Trong q u i trinh nghien cac hgt vat lieu du nhd se bay qua khe hd (15) cua vich ngan (9) phia ben vich ngan ed lap cic canh gom lieu (10), nhd eic canh niy, vay lieu dfldc dfla len vid moay d (11) rdi co true (12) di ngoai tang nghien * Cau tao cua miy nghien (hinh 1) CC(a n a p B^nspli^u dp lim viec nang, thdi gian chay may ca/ngiy, mdi ea lim vi^c gid May nghien apatit lam viee dieu kien am vi bui ban Cac hgt mai quang anh hfldng den eic thiel bi nhfl gdi dd, d bi, true, cap banh rang, hpp giam tdc, ddng ca * True rdng chit dgng mdy nghien: True rang dflpc lap tren block gdi dd dang hop Mpt dau true de tron, mpt dau true dflpc ket ndi vdi dpng ed dien qua khdp ndi Phan rang lim viec dflpc che kin hop True rang dfldc bdi trdn dinh ky bang md Tai moi dau gdi true ed he thdng dng dan lim mit gdi dd 3.2 Tinh toin, thiet ke true rang chu ddng may nghien * Cdc thdng so cua true rang Sau khio sat vi ket hdp vdi ca sd sin xuat, chung ta cd eic thdng sd cua true rang chu dpng may nghien apatit nhfl sau: CONG THtfC GlA TT TENGpi-YNGHlA I.I HJ^ng nghieng cua rJng 1.2 DUdng kinh dinh rang a d^=^_ + 2(l+x,-Ay)m 402.0 mm ! DJtlng kinh chia d d, = mz,/cosp 353,5 mm d=d,-(2,5-2i,]m 330,0 mm fCHlJU D.V1 Trai 14 DJ6ng kinh Chan rang d, 15 Mo dun phap tuyfln m„ sa rang 17 Gdc nghien cia rang /,P I.S Phrophm goc 1.9 HI; so d|ch chinh 110 Cap chmh xac 16 22 5"15' 5,25 TCVNU167-7I *, 0.515 TCVN 1067 8-U * Tinh todn, kiem nghiem true rang + Kiem nghiem rdng ve ben tiep xuc d,=Z^Z„Zj2T,K^(u+l)/(b^ud„,^)]'''^ (1) Vdi cong suat cua ddng cd: P = 630kW; Tdc dp true rang: n = 250 (vg/ph) Thay cac thdng sd vao (1) ket luan: True rang dam bao du dp ben tiep xuc a„ = 338,2 (N/mm^) < Id^] = 397 (N/mm=) "^ * Che ldm viec cua mdy nghien apatit: Li che Hinh Cdu tao cua mdy nghien TAP CHf CO KHf VlfiT NAM Sd (Thing nam 2012) NGHIEN CUU - TRAO DpI h Kiem nghiem rdng ve ben uon d„=2T,K,V YpYp,/(bX,m) |sl ''i,„„.=
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