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    Introduction of ball screw

    Author:祿潤工業科技(上海)有限公司 Click: Time:2018-11-27 14:23:03

    Ball screw is the ideal product to convert rotary motion into linear motion or linear motion into rotary motion. Ball screw is the most commonly used transmission element in tool machinery and precision machinery. Its main function is to convert rotary motion into linear motion or torque into axial repetitive force, which is characterized by high precision, invertibility and high efficiency. Due to its low friction resistance, ball screw is widely used in various industrial equipment and precision instruments. Ball screw is composed of screw, nut, steel ball, prepress sheet, inverter and dust arrester. Its function is to transform the rotary motion into linear motion, which is the further extension and development of ekm screw. The important significance of this development is to change the bearing from sliding motion to rolling motion.


    1. Ball screw (has basically replaced the male ball screw picture trapezoidal screw, commonly known as the screw rod) is used to convert the rotary motion into linear motion; Or the linear motion into the rotating motion of the actuator, and has a high transmission efficiency, positioning accuracy

    2. When the ball screw is used as the active body, the nut will be transformed into linear motion according to the lead distance of the corresponding specification with the rotation Angle of the screw. The passive workpiece can be connected with the nut seat and nut to achieve the corresponding linear motion.


    Ball screw bearings for various purposes, to provide a wide range of standardized products. Widely used in machine tools, ball circulation has circulation pipe type, circulator type, end cover type. Pre - pressure means positioning pre - pressure (double nut mode, position pre - pressure mode), fixed pressure pre - pressure. Ball screws may be of the appropriate type for use. The screw has precision ball screw with high-precision grinding processing (the precision is divided into 6 grades from co-c7) and cold-rolled ball screw bearing formed by high-precision cold-rolling processing (the precision is divided into 3 grades from c7-c10). In addition, in order to cope with the urgent delivery of users, there are finished products that have been processed on the shaft end, semi-finished products and cold-rolled ball screw bearings that can be processed on the shaft end freely. As the peripheral parts of this bearing, the necessary screw support unit, nut support, locking nut and so on have been standardized for users to choose and use.


    High DN value ball screw: high speed tool machine, high speed integrated machining center machine. End cap ball screw: rapid handling system, general industrial machinery, automatic machinery. High speed ball screw :CNC machinery, precision tool machine, industrial machinery, electronic machinery, high speed machinery. Precision grinding grade ball screw :CNC machinery, precision tool machine, industrial machinery, electronic machinery, transport machinery, aerospace industry, other antenna actuators, valve switching devices. Nut rotary (R1) series ball screw: semiconductor machinery, industrial robots, woodworking machines, laser processing machines, moving and delivering devices. Rolling grade ball screw: low friction, smooth operation of the advantages of rapid supply and low price. Heavy-duty ball screw: all-electric injection molding machine, punching machine, semiconductor manufacturing device, heavy-duty brake, industrial machinery, forging machinery

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