... .m/kw)Stepper motor 16N.m/1kw servo motorBall screw typesφ32xP6 ball screw Processing forDrilling ,tapping,boring and milling with high ... gain large torque with low speed, suitable for tapping screw thread and milling and cutting larger-diameter hole with low speed.4.) the ... , for surface milling, step plane ,slope ,and milling groove , for cutting and milling curve ,curve surface and cam ,and for the ...