M1420 CE Certificate External Internal Cylindrical Grinder for Metal

M1420 CE Certificate Unicersal External Internal Cylindrical Grinding MachineDescription  unitM1420x500M1420x800External grinding diametersmmφ8~200φ8~200Internal grinding diametersmmφ13~100φ13~100Center heightmm135135Headstock spindle rotation speedr/min50HZ:25~380steplessMax. worktable traversemm650950Hydraulic travel speedm/min0.1~40.1~4Max.workpiece weightkg5050Grinding length External/Internalmm500/125800/125Swivel range of worktable°  -5~+9°  -3~+7°Max.wheel peripheral speedm/s3838External wheel sizemmMax.φ400x50xφ203   Minφ280x50xφ203Internal wheel spindle rotating-speedr/min1000010000Headstock and tailstock centermorseNO.4NO.4Total motor powerkw5.6255.625Machine overall dimension(LxWxH)mm2200x1600x17003100x1600x1700Machine weightkg25003000Working AccuracyRoundness(O.D/I.D) 1.5/2.5μm(O.D/I.D)Uniformity of dia.in longitudinal section(O.D/I.D) 5/8μm(O.D/I.D)Surface roughness(O.D/I.D) Ra0.32/0.63μm(O.D/I.D)Features:1.Table can be tilted for conical grinding operations and scale allows adjustment to desired position2.Spindle stock can be swiveled 180° for inside grinding operations3.Main spindle is mounted hydro-dynamically - oil film prevents contact between spindle and bearing4.Longitudinal table guide and grinding spindle stock cross guide feature V- and flat guiding each5.Strong reinforcements and generously designed walls make the machine base resistant to temperature fluctuations and deformations6.Oil film between spindle and bearing reduces the vibrations to a minimum to achieve top results and high accuracy7.Stepless feed adjustment with selective programmable stop at end of each table movement8.Precisely adjusted spindle head and solid grinding spindle stock to achieve top processing results at various grinding operations          /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1