spindle bearing adopts constant flow hydrostatic bearing with advantages of heavy loading capacity,little heat dissipation,and long term accu racy sta blility ;X,Y,Z axis adopt pump-per-pocket hydrostatic guideway of constant flow;The balance of headstock adopts hydraulic cylinder to control efficiently the weight of moving parts of machine and realize high feed speed and acceleration .X axis transmission adopt double motor and double rack and pinion to realize electric-preloaded clearance elimination.Y axis adopt double ballscrew to realize synch ronous transmission.Headstock compensation adopts dou ble screw and linear scale to realize electric-preloaded clearance elimination.Y axis adopt double ballscrew to realize synchronous transmission.Headstock leveling compensation adopts double screw and linear scale to realize synchronous transmission.Auto diagnose function for convenient operation.Parameters:HeadstockItemUnitTKS6920Spindle   Diamm

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