XK-160小型數(shù)控銑床XY工作臺的設計.doc

徐州工程學院畢業(yè)設計(論文)I圖書分類號：密級：XK-160小型數(shù)控銑床XY工作臺的設計XY-160SMALL-DCALECNCMILLINGMACHINEDESIGNX-YWORKTABLE摘要隨著現(xiàn)代信息技術的發(fā)展，以提高產(chǎn)品加工的生產(chǎn)效率為主的高度自動化和以提高產(chǎn)品的質量為主的精密化成為現(xiàn)代機械加工技術發(fā)展的兩個主要方向。人們對航空機、數(shù)控機床、精密儀器和儀表以及各種精密機械設備提出了越來越高的精度要求，X-Y作臺是這些設備實現(xiàn)高精密加工的核心部件，對于提高產(chǎn)品的加工質量起著尤為重要作用。本設計通過伺服系統(tǒng)控制伺服電機經(jīng)過數(shù)控機床進給系統(tǒng)包括絲杠螺母副及其支撐部件等，即將伺服電機的轉動轉化為工作臺的進給運動。整個設計包括了伺服電機的選型，滾珠絲杠的選型、強度校核及其生產(chǎn)設計中應注意的問題，連接伺服電機和滾珠絲杠副的聯(lián)軸器的選型與校核，支承件軸承的設計，導軌及機架的設計。通過對工作臺機械傳動鏈的系統(tǒng)設計以期滿足機床進給系統(tǒng)的定位精度和靜動態(tài)性能，從而確保機床的加工精度。關鍵詞X-Y工作臺；伺服系統(tǒng)；滾珠絲杠徐州工程學院畢業(yè)設計(論文)IIAbstractWiththedevelopmentofmoderninformationtechniques,thehighautomationwiththemainpurposeofimprovingtheproductionefficiencyofproductprocessandtheaccuracywiththeaccuracywiththemainaimofimprovingthequalityofproducthavebeenbecomingthetwomajordirectionsofthemoderntechniqueofmechanicalprocess.Peopleontheairmachines,CNCmachinetools,precisioninstrumentsandmetersandallkindsofsophisticatedmachineryandequipmentraisedhigherandhigherprecision,XYforTaiwanisthatthesehigh-precisionmachiningequipmenttoachievethecorecomponents,forimprovingthequalityofprocessedproductsplayIsparticularlyimportantrole.TheservosystemdesignedtocontroltheservomotortothetransmissionsystemintotheNCmachinetools,includingscrewandnutbearingcomponentssuchasvice,isabouttoservomotorforthetransferofrotatingturretofthetableorfeedtheentirecampaignmechanicaltransmissionchain.Theentiremechanicaltransmissionchainforthesystemdesign,servomotor徐州工程學院畢業(yè)設計(論文)IIIrelatedtotheselection,theselectionofballscrews,checkingstrengthandproductiondesignshouldpayattentiontotheproblemofconnectingtheservomotorandtheballscrewoftheaxisTheSelectionandVerification,bearingpiecesbearingthedesign,railandrackdesign.Throughthetablemechanicaltransmissionchainsystemdesigntomeetthemachineintothesystemtothepositioningaccuracyandstaticanddynamicperformance,soastoensuretheaccuracyofprocessingmachine.KeywordsTheX-Yworktable；Servosystem；Ballscrew徐州工程學院畢業(yè)設計(論文)I目錄緒論.1一總體方案設計.31.1設計任務.31.2總體設計方案的確定.31.2.1導軌的選擇.31.2.2驅動電機的選擇.41.2.3絲杠的選擇.61.2.4聯(lián)軸器的選擇.81.2.5軸承的選擇.9二基本參數(shù)的確定.102.1脈沖當量和傳動比的確定.102.2基本參數(shù)的設計.102.2.1初選伺服電機.102.2.2計算絲杠承受的重量.102.2.3計算銑削力.10三X向進給系統(tǒng)的設計與計算.123.1設計內容.123.2X軸進給系統(tǒng)的設計概述.123.3X軸進給系統(tǒng)的設計計算.123.3.1切削力的計算.123.3.2滾珠絲杠設計計算.123.3.3所需轉動力矩計算.173.3.4X軸聯(lián)軸器的設計.183.3.5X軸伺服電機的選型.193.3.6軸承的選型.20四Y軸進給系