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 ! 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