MMB1420A精密半自动万能外圆磨床详细说明：　　带半自动机构的精密磨床
　　适用于批量加工精密零件的具有半自动纵磨及自动切入磨性能的精密半自动万能外圆磨床。规格及主要技术参数Main Specifications项目ItemMM1420A磨削直径范围Grinding diameters8~200 mm磨削孔径范围Gringing bores13～80 mm最大磨削长度Max grinding length500 mm最大磨削深度Max grinding depth125 mm工作台最大移动量Max travel of table600 mm液压移动速度Hydraulic traverse speeds0.1～4 m/min工作台转动范围Swivel range of the table-5°～ 9°砂轮最大线速度Max peripheral speed of grinding wheel35 m/s最大砂轮直径Max grinding wheel diameter300 mm头架主轴转速Speeds of headstock spindle60,85,230 rpm电机总容量Coolant pump drive motor4.24 kw机床外形尺寸（长X宽X高）Overall dimensions (LxWxH)2000X1420X1600 mm机床重量Weight of machine2100 kg 工作精度 Working Accuracy项目Item 外圆圆度Ex Ternal0.001 mm内孔圆度In Ternal0.002 mm纵截面直径Cylindricity0.005 mm外圆粗糙度Ex SurfaceRa≤0.04 mm内孔粗糙度In SurfaceRa≤0.04 mm Main Accessories主要附件1冷却液箱　Coolant tank1 set2开式中心架　Open center rest1 set3砂轮修整器　Grinding wheel dresser1 set4砂轮夹板　Grinding wheel clamp2 sets5砂轮平衡器　Grinding wheel balancer1 pc6合金顶尖　Carbide-tipped center2 pcs7半缺顶尖　Half center2 pcs8桥板　Bridge plate1 pc9夹头　Chuck1 set10双头扳手　Double end werch6 pcs11内六角扳手　Socket head screw wrench5 pcs12六角套筒扳手　Hexagon socket wrench1 pc13三角胶带　Vblet2 pcs14支点底座　Support iron3 pcs15松卸螺帽　Dismountingnut1 pc16三爪卡盘　Three jaw chuck1 set17闭式中心架　Closed center rest1 set18内磨接长轴　Grinding wheel arbors for internal grinding4 sets19多楔带　V-ribbed belt2 pcs20平皮带　Flat belts2 pcs21内磨遮板　Splash guard for internal grinding1 set22其他附件　Other accessories