Electric wedge lifting platform Motorized Lab Jack

Specification: Product parameters: Product parameter PT-GD120 Structure description Table size 120*120 Guide form Cross ball guide Driving mechanism Wedge structure Triangular thread rod (lead M8*1mm) Journey 20mm Bulk material Aluminium alloy Surface treatment Anodized black weight ?4kg Precision description Stepper motor (1.8°) SST57D2121 Central load 5kg Adjustment amount ?7.5??No segmentation? ?0.375?20 segmentation? speed ?2mm/sec Repeated positioning accuracy 5?m Absolute positioning accuracy 25um flatness 30um flyback 3? Drop step 2?