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Table9.1Specificationsofballscrew1ModelandsizeTE50BTE60BTE86BLeadmm48510201020Shaftdia.mm81012BasicdynamicloadratingCN2290145027301720163638202300BasicstaticloadratingC0N3575215544102745279064803920Table9.2Specificationsofballscrew2unit:mmModelandsizeBedlengthShaftdia.OveralllengthTE50BTE60BTE86B15020025030040050015020030040050060070034044054064074084094081012192.5242.5292.5342.5442.5542.5194244344444544644744395495595695795895995Table10MomentofinertiaofsectionalareaofbedY-axiseX-axisModelandsizeTE50BTE60BTE86BMomentofinertiaofsectionalareamm4CenterofgravityIX1.3×1044.7×1042.0×105IY1.2×1053.2×1051.3×106emm6.48.813.0Ⅱ12