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NGHIEN CljfU-TRAO Bdi NGHIEN CU'U CHE TAG THU* NGHIEM T H A N H C N G MAY MEN CHJNH HJNH GO TRON THANH VUONG, SU" DUNG TRONG VAN GHEP THANH RESERCH COMPRESSOR MANUFACTURING SUCCESS OF ADJUSTMENT OF SQUARE ROUND WOOD, POLYWCOD USED IN LIQUIDATION ThS L l Quang Khai Gidng viin, Trfldng Cao d ^ g Nghe so 8, Bp Quoe phong TOM TAT Nhu cdu sd dung go trang tri ndi thdt, xdy dUng vd cdc ngdnh Cdng nghiip nhe ngdy cdng tdng nhu cdu phdt triin ciia xd hdi Trong dd nguyen lieu gd rdng tU nhiin ngdy cdng khan hiim ngn khai thdc trdi phep, khdng qui hogch Dan din khd ndng cung cdp gd tii rdng tU nhiin ngdy cdng hgn chi, thdm chi khdng thi cung cdp, quyit dinh ddng cda rdng tU nhien cda Chinh phu Td do, khiin cho nguon nguyen lieu cda ngdnh Chi bUn gd phdi nhdp khdu, hodc phdi sd dung mdt cdch cd hieu qud go riing trdng mgc nhanh Qua nghiin cdu, khdo sdt thiic ti nguon gd phi phdm qud trinh bdc Ignggd tdgd cdy cao su dildm vdn ep trin dia bdn tinh Ddng Nai, nhgn thdy phi phdm cua qud trinh ndy thudng dUOc ldm chdt dot, hodc bdm nhd ldm phdn bdn, rdt ldng phi vd hieu qud khdng cao Xudt phdt td nhdng khd khdn trin, thdng 9/2012, nhdm tdc gid Ths Le Quang Khdi vd TS • HodngXudn Niin, thudcTrUdng Dgi hoc Ldm nghiip Viet Nam dd nghien cdu chi tgo thd nghiem thdnh cdng thiet bi mdy nen chinh hinh go cd dudng kinh trdn thdnh vudng, nham tdn dung phi phdm cda qud trinh bdc Ignggd Sdn phdm cua qud trinh ndy dddc sd dung cdng nghi vdn ghep thanh, kit qud cho thay go sau ep dd ldm tdng cd tinh cda gd lin gdp3 ldn, dam bdo cdc tieu chudn sd dung cdng nghe vdn ghep Tit khoa: Mdy nen chinh hinh ABSTRACT Demand for wood used in iterior decoration, construction and light industries, increasing demand of social development While natural wood materials increasingly scarce due to illegal mining accident, not planned Lead to the ability to supply wood from natural forests is increasingly limited can not even provide, so the decision to close the Govement' natural forests From there, the material causes the wood processing industry to import, or to use an effective fast-growing plantation timber Through research, fieldwork timber waste in the process of removing wood veneered wood from rubber trees to make plywood in the province of Dong Nai, realizing this process waste products as fuel offen or chopped as fertilizer, very wasteful and ineffective Stemmingfrom these difficulties, May 9/2012 the authors MA Le Quang Khai and Dr Hoang Xuan Nien, the University of Forestry Viet Nam has studied sucessful prototype compressor orthopedic devices diameter round wood into square, to take advantage ofthe process of removing waste wood veneered Products of this process are used in the laminated wood bar technology, the results show after the wood has increased the pressure of the timber times to ensure the standards used tin audio technology plank ^ TAP CHf CO K H ! VIET NAM • Sd (Thang nam 2013) NGHIEN CUfU-TRAO D O I I TONG QUAN VE QUA TRINH NEN GO Sfl bung no dan so, eung vdi qud trmh phdt triln mpi mat vl kmh tl, xa hpi, ddn din nhu edu sfl dung mpe va trang tri ndt thdt bang cae san pham go ngdy cang tang Vi the, qua trinh san xudt doi hdi mot khoi Iflpng nguyen lieu cang nhieu hon Trong dd, kha ndng cung cap gd tfl rflng tfl nhiln cdng hgn chl, tham chi khdng thi cung edp, quylt dinh ddng cfla rflng tfl nhiln cua Chmh phu Tfl dd, khiln eho nguon nguyin Ulu cua nganh chl biln go phdi nhgp khau, hogc phai sfl dpng mot cdch ed hilu qua g6 rflng moc nhanh Theo nghien cflu ve go cao su, cay cao su thupc hp thau dau Euphorbiaceae Juss, co tin khoa hpc Id Heveabrasihensis Muell - Arg Nd cd tam quan trpng ve kinh tl ldn nhfla cao su la nguIn chu Iflc san xuat cao su tfl nhiln Cay phdt triln tot d vung nhi|t ddi am, co nhiet dp trung binh tfl 22"C din SO^C (tdt nhat d 26''C din 28^0, can mfla nhieu (tdt nhat la 2.000mm) nhflng khdng chiu dflpc sfl iing nfldc va gid Cay cao su cd thi chiu dflpc nang han khoang din thdng, nhien nang sudt mu se giam Cay chi sinh trfldng bang hat, hgt dem Dl CO the sfl dung go rflng mpe nhanh, ldi go bdc, eanh ngpn, gd nhd tia thfla cd flom dflpc cay non Khi cdy dflpc tu6i co dfldng kinh nhd, nhfl m^t nguon nguyin heu 6n the khai thac mu, va se keo dai vai ba chyc dinh vd cd dp bin dat yeu cau san xuat sdn nam pham go thi can phai nang eao tinh chat cO hpc va Gd tfl cay cao su, gpi la go cao su, dflpc dp bin tfl nhiln cua chung Van dl cd thi gidi quylt bang cdch ndng cao khoi Iflpng thi tieh eiia sfl diing san xuat gd Nd dflpc danh gia eao vi cd thd gd ddy, it co, mdu sac hdp dan vd co go Bdi vi, khoi Iflpng the tieh ty 11 thu^ vdi efldng dp chiu Iflc va phan anh tflong doi toan dien cho the chap n h ^ eae kilu hoan thien khde No tinh chat eo hpc cua vgt heu Mpt nhflng gidi cung dflpc ddnh gia nhfl la logi go "thdn thiin moi phap ky thudt dl nang cao khoi Iflpng the tich cua trfldng", ngfldi ta chi khai thac g6 sau cay eao su da kit thuc chu trinh sdn sinh nhfla miu gd Id sfl dung cdng nghl biln tinh Qua khao sat thflc tl tgi cdc co sd, nhd may ehe biln go trin dia bdn tinh Dong Nai, phe pham cua qud trinh bdc go than cay cao su lam nguyin lieu san xuat van ep, phan loi de lai thfldng cd dfldng kinh khoang 060, thfldng lam chat ddt, ly Id phan ldi chu ylu la to chflc eua tl bdo vach mdng, chfla nhilu chat hflu eo, nhfla, nin lam giam nhilu din tinh chat co ly cua go Phdn bd ehu ylu d cac tuih miln Doi^ Nam Bp va Tdy Nguyen Go cao su trfldc nhflng nam 1990 dflpc sfl dung lam chat dot Id chii y^u, sau Chinh phu han ehe va tiln hanh cam khai thac rflng tfl nhiln thi cac loai gd rflng trdng nhil go cao su cang thi hien vai trd quan trpng ngdnh chl biln lam san Thdn cay cao su eo phan ehinh la phan Trfldc tinh hinh thfle te do, thdng nam go va phan vd Than thang cd dfldng kinh tfl 25 2012, tde gid Le Quang Khai va TS Hodng Xudn 60cm, cao khoang 15- 20m, la phan chinh cung Nien thude Trfldng Dgi hpc Lam nghiep Viet Nam cap nhfla va go Vd cay cao su gdm ldp, Ictp da da nghien cflu chl tgo thfl nghiem cong san la tap hpp ede tl bao chet bao v | ldp trong, l
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