{"id":640,"date":"2011-01-20T06:48:20","date_gmt":"2011-01-20T06:48:20","guid":{"rendered":"http:\/\/envafs.dungnq.local\/2011\/01\/20\/itinerant-acroteric-ramus-and-chipping-machine-microphanerophyte\/"},"modified":"2011-01-20T06:48:20","modified_gmt":"2011-01-20T06:48:20","slug":"itinerant-acroteric-ramus-and-chipping-machine-microphanerophyte","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/en\/2011\/01\/itinerant-acroteric-ramus-and-chipping-machine-microphanerophyte\/","title":{"rendered":"Itinerant acroteric ramus and chipping machine microphanerophyte"},"content":{"rendered":"

Nguyen Manh Hoat<\/span><\/h4>\n

\nForest Industry Technology Transfer and Research Center<\/span><\/em> <\/span>\n<\/p>\n

\nIntroduced forest species used for timber production in Vietnam are now chiefly used to produce chip wood, building materials, and some are into converted timber.<\/span>\n<\/p>\n

\nIntroduced forest species used for timber in Vietnam (such as Eucalyptus, storax, and Acacia) now make up a large proportion of forest products – about 30%.<\/span>\n<\/p>\n

\nTo make use of this wood, the best solution is as chips for pulp production, and planks for the domestic market. So research on wood chips and small branches is essential to enhance the value of plantations.<\/span> <\/span><\/strong>\n<\/p>\n

\nBasis for research design of a machine to chop wood chips<\/span><\/em><\/strong><\/span><\/strong> <\/span>           <\/span><\/span>\n<\/p>\n

\nBig excess acroteric rameal and first wood mass is materials source a-plenty lied passim Dwelt logging timber districts.<\/span>            <\/span><\/span>\n<\/p>\n

\nMigration mincing-machines (i.e. Sweden, China, and Taiwan) have big power, are expensive and so do not accord to small scale, itinerant needs.<\/span>            <\/span><\/span>\n<\/p>\n

\nThere is 2 kind of chipping machines: Empty type chipping Machine; Disc type chipping Machine <\/span>\n<\/p>\n

\nBasic parameter, considerations for machine design determination<\/span><\/em><\/strong>     <\/span><\/span>\n<\/p>\n

\n+ Size of chip to hash, the volume of raw materials, raw materials for hash size.<\/span>     <\/span><\/span>\n<\/p>\n

\n+ The size pieces, stems and wood flame without the proper rules.<\/span>\n<\/p>\n

\nCalculate machine elaborate design<\/span><\/em><\/strong>: As diameter disk hash( D); Capacity for chopped wood (Nb<\/sub> ); Power to push chips out of the chamber chips (N\u0111<\/sub>)<\/span>\n<\/p>\n

\nResearch method: <\/span><\/em><\/strong>Calculate theoretically; Test correcting; Measurement of vibration of the machine when the load and no load by hand-held computer vibrate Examiner – 1000 by the American company Monarch production; Power’s engine capacity measured by measuring device handheld Fluke – 39U.S.A production<\/span>            <\/span><\/span>\n<\/p>\n

\nMincing-machine with specifications:<\/span>\n<\/p>\n