#Industrialhiwinballscrewmanufacturer
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Ball screws are used in aircraft and missiles to move control surfaces, especially for electric fly by wire, and in automobile power steering to translate rotary motion from an electric motor to axial motion of the steering rack. They are also used in machine tools, robots, and precision assembly equipment.
Ball Screw is a high-efficiency method of converting rotary motion to linear motion by using a recirculating ball mechanism between the screw shaft and the nut. Compared with a conventional sliding screw, the ball screw requires driving torque of one-third or less, making it ideal for saving drive motor power.
Ball screws are more efficient, requiring less torque. Ball screws have lower friction and run at cooler temperatures. Ball screws require grease or oil lubrication to achieve design life. Ball screws need to be replaced less frequently.
Ball screws excel in applications where efficiency, precision and high-speed, smooth motion are preferred. Lead screws can be a suitable solution for simple applications where smooth or quiet motion is of more value than rigidity, precision, accuracy, and speed
Ball screws are rolled out of alloy steel or stainless-steel grades that can be hardened by heat treating. The hardened ball screw material must hold up to the hardened balls loaded in the ball screw nut.
Ball screws date all the way back to the late 19th century, when an engineer placed ball bearings inside the nut threads to reduce friction. For centuries, the conventional lead screw (threaded shaft and nut) was the primary mechanism for converting rotary motion to linear motion.
Ball screws have more complex structures and components and appear to be bulkier than other types of screws. They are more expensive than other screw types, but their benefits and capability outweigh their cost.
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