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I 目錄 第 1 章 緒論 1 1 1 磨床的類型及其特點(diǎn) 1 1 2 磨床的現(xiàn)狀及其發(fā)展趨勢(shì) 2 第 2 章 設(shè)計(jì)任務(wù)書 3 第 3 章 磨床總體布局 7 3 1 磨床總體設(shè)計(jì) 7 3 2 總體設(shè)計(jì)注意事項(xiàng) 7 3 3 磨床總體布局設(shè)計(jì) 7 第 4 章 部件設(shè)計(jì) 砂輪架 16 4 1 砂輪架設(shè)計(jì)的基本要求 16 4 2 主軸旋轉(zhuǎn)精度及其提高措施 16 4 3 主軸軸承系統(tǒng)的剛性 16 4 4 砂輪架主軸初步設(shè)計(jì) 16 4 5 主軸剛度校核 17 4 6 動(dòng)靜壓軸承 18 4 7 傳動(dòng)裝置設(shè)計(jì) 19 第 5 章 數(shù)控系統(tǒng)設(shè)計(jì) 26 5 1 概述 26 5 2 確定硬件電路總體方案 26 第 6 章 液壓系統(tǒng)設(shè)計(jì) 34 6 1 概述 34 6 2 液壓傳動(dòng)設(shè)計(jì) 34 結(jié)論 37 致謝 39 參考文獻(xiàn) 40 II 摘要 本次設(shè)計(jì)為 MKS1632A 數(shù)控高速端面外圓磨床及其砂輪架設(shè)計(jì) 通過查閱 國內(nèi)外磨床相關(guān)資料 首先確定磨床總體布局中各部件 如砂輪架 頭架和尾 架等 尺寸 其次檢驗(yàn)主軸前端擾度 確保主軸剛度 設(shè)計(jì)中砂輪架采用靜動(dòng) 壓軸承以提高旋轉(zhuǎn)精度 增強(qiáng)抗振性 延長軸承的使用壽命 傳動(dòng)系統(tǒng)采用皮 帶和花鍵副帶動(dòng)主軸旋轉(zhuǎn) 減少主軸變形 使載荷分布均勻 本設(shè)計(jì)中的控制 部分采用通用的可編程接口芯片 8255A 本次設(shè)計(jì)我負(fù)責(zé)的部件是砂輪架 砂輪架是磨床上用來帶動(dòng)砂輪作高速旋 轉(zhuǎn)的關(guān)鍵部件 主要由傳動(dòng)部件和主軸軸承部分組成 主軸與軸承是砂輪架的 主要組成部分 首先是根據(jù)砂輪架主軸的要求進(jìn)行軸的設(shè)計(jì) 然后再選取軸承 設(shè)計(jì)皮帶和皮帶輪等等 在這個(gè)過程中 軸的撓度校核 皮帶和皮帶輪的設(shè)計(jì) 等用到了大量的計(jì)算 關(guān)鍵詞 數(shù)控 外圓磨床 砂輪架 III Abstract The high end is designed to MKS1632A CNC cylindrical grinding machine and wheel base design through access to relevant information grinder at home and abroad first determine the overall layout of the grinding parts such as the grinding wheel frame the first frame and tailstock etc size followed by the test spindle degree of front end interference to ensure spindle rigidity Design of wheel used to improve the static and dynamic pressure bearing rotation accuracy enhanced vibration resistance to extend the service life of bearings drive belts and the use of spline drive spindle Vice reduce spindle deformation so that the load distribution The design of the control part of the general purpose programmable interface chip 8255A I was responsible for the design of this component is the wheel frame wheel frame is used to drive on the grinding wheel for high speed rotation of the key components mainly by the transmission components and parts spindle bearings spindle and wheel bearing is a major part of the frame The first is based on the requirements of wheel spindle shaft design and then select the bearings designed belts and pulleys and so on In this process the axis of the deflection verification the design of the belt and pulley used in a large number of calculations Keyword NC Cylindrical Grinder Wheel stand