作者:广州依纳 发表时间:2013-03-04
点击:94 |
回转支承的造型计算 回转支承结构型式type of slewing ring bearing;01、单排球式sinagle-rowball;02、双排异径球式double-rowball;11、单排交叉滚柱式crossed rollers;13、三排滚柱式3-row roller.齿轮传动形式0--无齿式no teeth1--渐开线圆柱齿轮外齿啮合小模数outer teeth&smaller module;2--外齿啮合大模数oter teeth&bigger module;3--内齿啮合小模数inner teeth&smaller module;4--内齿啮合大模数inner teeth&bigger module.安装配合型式fitting circle;0--标准型无止口no fitting circle;1--标准型有止口with fitting circle;2--特殊型special;安装连接孔型式 installation hole type;0--内外圈安装孔均为通孔both rings with installation bolt holes;1--内外圈安装孔均为螺纹孔both rings with screw holes;2--内圈安装孔为螺纹孔inner ring with screw holes,外圈安装孔为通孔outer ring with installation bolt holes;3--外圈安装孔为螺纹孔outer ring with screw holes,内圈安装孔为通孔inner ring with installation bolt holes。单排球式回转支承的造型计算Calculation for single-row ball slewing ring bearing:1、计算回转支承的额定静容量capacity of slewing ring bearing Co=f·D·d 式中:Co额定静容量,N(capacity of bearing) f静容量系数,110N/mm2(capacity factor) D滚道中 心直径,mm(diameter of track center)d钢球公称直径,mm(diameter of ball)。2、根据组合后的外载荷,计算当量轴向载荷loading calculation Cp=P+0.00437M/D+3.44Fr 式中:Cp-当量轴向载荷,N M-总倾覆力矩,N·m(total toppling movement) P-总轴向力,N(total axial force) Fr-总径向车,N(total radial force)。3、计算安Q系数(safety factor calculation) fs=Co/Cp fs值可按下表选取(see the following table)。三排柱式回转支承的造型计算Calculation for 3-row-roller slewing ring bearing:1、计算额定静容量capacity of slewing ring bearing Co=f·D·d 式中:Co-额定静容量,N(capacity of bearing) f-静容量系数,147N/mm2(capacity factor) D-滚道中 心直径,mm(diameter of track center) d-上排滚柱直径,mm(upper row roller diameter)2、根据组合后的外载荷,计算当量轴向载荷loading calculationCp=p+0.0045M/D式中:Cp-当量轴向载荷, N M-总倾覆力,N·m(total toppling movement)P总轴承向力,N(total axial force)3、计算安Q系数(safety factor calculation)fs=Cp/Cpfs值可按下表选取(see the following table);宁波轴承有限公司总机电话:0574-87223344 87222434 87220319 87220519 销售电话:0574-87220315 87222422(直拨)87222434 87223344 87220319 87220519(转分机)采购部电话:0574-87221977传真:0574-87223781地址:宁波市丽园北路1728号--1736号E-mail:web@bearing.com网址:www.bearing.com www..com 特种非标轴承网: www.fbearing.com |
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