Ball screws often considered to be more expensive than lead screws, especially when they are failing The cost to replace the ball screw is expensive, but you do not have to worry now because you could use a ball screw repair service that will be cost-efficient. Besides, in high accuracy requirement applications ball screw is better than a lead screw. Lead screws have backlash between the screw and the done but ball screws are often preloaded to eliminate backlash. This is usually done by utilizing balls that have a somewhat bigger diameter than the space between the raceways of the nut and the screw. Some lead screws are submitted with nut forms that reduce backlash, but those usually reduce efficiency and add friction. Furthermore, ball screws are rated by DIN, JIS and ISO standards concerning their lead divergence, so deciding the decent efficiency class ball screw is candid.

Rolling components, like the recirculating balls in the assembly, depending on point connection to carry a load, whereas sliding parts, like the nut and screw of a lead screw construction, depending on the line contact. Point connection provides less friction, which presents the assembly more distinguished efficiency. Case in point: lead screw efficiency is commonly under 50 percent while ball screw efficiency is nearly constantly 90 percent or bigger. High efficiency alters to lessen needed motor torque, which proposes that a smaller motor and associated parts may be proper for the utilization.

The highest speed of both ball screws and lead screws is restricted by the deciding speed of the screw. However, the lower friction integrated with ball screw schemes proposes they generate less heat, and hence, can endure higher duty cycles than the lead screws. The duty cycle is simply recognized in ball screw choice when deciding the number of travel that the screw will obtain in its estimated life. On the other hand, the heat production and duty cycle need constantly be taken into account when choosing a lead screw. Picking the incorrect product can lead to undesirable costs, frequent replacement, design rework or even failure.