Product Name: Ball Screw (FFB SERIES) Inner Cycle with Preload Flange Nut Model NO.: FFB(flange type,deflected lead preload) Type: Inner Loop Nut Type: Circulator Rows Number: Customized Nut Number: Single Flange: With Flange Screw Diameter: 16mm & up Precision: Customized Length: 0-6000mm Preload Mode: Deflected Lead Application: CNC/Wedm Trademark: Yigong Origin: China Product Description Ball screw assembly is consisted of screw, nut and balls. It is to transfer the rotary motion into linear motion or transfer the linear motion into rotary motion.Ball screw is widely used for all kinds of industrial equipments and precision instruments. Especially recent years in CNC machine tools.Yigong ball screw is made by grinding and whirling, not rolled, and it has two kinds of ball screw, P for positioning and T for transmission, accuracy from 1 to 7, 1 is the highest and 7 is the lowest.Model: FFB(single nut with flange, deflected lead preload)Dia.: 20mm-50mmLead: 4mm, 5mm, 6mm, 8mm, 10mm etc.Production: According to customer's drawings or request.How do we design Ball ScrewSTRUCTUREPARAMETERS