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1、內(nèi)蒙古農(nóng)業(yè)大學(xué)碩士學(xué)位論文沙柳削片機(jī)飛刀切削角對(duì)切削力影響的試驗(yàn)研究姓名：馬弘躍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：農(nóng)業(yè)機(jī)械化工程指導(dǎo)教師：童淑敏20070501摘要削片機(jī)作為生產(chǎn)人造板和纖維板的主要設(shè)備之一，已經(jīng)被大量應(yīng)用于實(shí)際生產(chǎn)過(guò)程中。但是，目前生產(chǎn)中用的削片機(jī)普遍存在輸入動(dòng)力大、生產(chǎn)能耗大、噪聲大、工作性能差等問(wèn)題。論文對(duì)削片機(jī)飛刀切削角對(duì)切削力的影響進(jìn)行了研究．基于木材切削的普遍規(guī)律，分析了在實(shí)際切削過(guò)程中各種力的相互作用；自行研制了用于沙柳切削力測(cè)量的小型力傳感器；通過(guò)模擬鼓式削片機(jī)切削過(guò)程，對(duì)不同角度(切削前角y、切削后角
2、。和切削角B)的飛刀切削沙柳材時(shí)的切削力進(jìn)行動(dòng)態(tài)測(cè)試；分析了主切削力和法向切削力的變化趨勢(shì)及其對(duì)屑片質(zhì)量的影響；得出了飛刀不同切削角下切削力的變化規(guī)律并提出了合理的飛刀角度設(shè)計(jì)方案，為進(jìn)一步研究削片機(jī)的飛刀切削特性、動(dòng)力匹配及其結(jié)構(gòu)優(yōu)化提供了重要依據(jù)。關(guān)鍵詞：削片機(jī)；切削力；沙柳；傳感器TestandResearchontheCuttingForceChangeCausedbyCuttingAngleDiversificationoftheBladeofSalix—PsammophilaChipperAbstractThec
3、hipperhasalreadybeenwidelyusedintheproductionprocessasoneofthemaindevicesofmanufacturingthewood—basedpanelandfibreboardHowever,ithassomegeneralproblemssuchasgreatinputpower,highenergyconsumption，bignoise，poorworkingperformance，andamongothers．Theresearchonthecutting
4、forcechangecausedbycuttinganglediversificationofchipper’sbladewascarriedoutinthispaper．First，theinteractionofeverykindofforcesinthepracticalcuttingprocesswasanalyzedbasedontheuniversiallawofcuttingtrimber．Second，aminitypetransducerwasdesignedandmanufacturedtotestth
5、ecuttingforcemagnitudesintheprocessofcuttingthesalix-psammophila，Third，thecuttingforcemagnitudesusingthebladewiththedifferentanglesincludingthecuttingrakeangle托clearanceangleaandcuttingangleBtocutthesalix-psammophilawereobtainedthroughthedynamictest．Fourth’thechang
6、inglawsofaxialcuttingforceandnormalcuttingforce，andtheinfluencescausedbythemtothechip’squalitywereanalyzed．Finally,thechanginglawsofthecuttingforceinthecaseofusingthebladewiththedifferentcuttinganglewereobtained，andthefeasibleandreasonabledesignschemeoftheblade’san
7、gleswasputforward，whichprovidedallimportantreferencebasisforfurtherstudyingthecuttingcharacterofthechipper’sblade，powermatchandthestructureoptimizationofthechipper．Keywords：chipper；cuttingforce；Salix-Psammophda；transducerDirectedby：Prof．TONGShuminAppIicantforMaster
8、degree：_^Hongyue(AgncttlturalMedmmzaUmaEngmeenng)(CollegeofMechamcalandEleclncalEngineering，InnerMongohaAgnctdturalUmvem填HohhotOl001S，Clmm)插圖與附表清
