Ball screw difference 1 --- ordinary life. Rolling friction surface damage is much smaller than sliding friction, so when cleaning, lubricating and other conditions are met, buy a ball screw, ball screw sustain life is much higher than the trapezoidal screw. 2 --- self-locking. Self-locking and transmission efficiency is generally inversely proportional, therefore, Nyingchi Ball, ball almost no self-locking, and trapezoidal screw has a certain self-locking (depending on the size of the lead angle and the working surface roughness) . Ball screw with ordinary difference 1 --- transmission efficiency. Ball screw transmission efficiency is about 90 to 96 percent, how much ball screw, lead screw drive efficiency is about 26 to 46%. That is, if the drive load equally large, can use a smaller ball screw drive power, e.g., smaller power motors, ball screws purposes, can reduce cost, can reduce energy consumption. 2 --- transmission speed. Ball is rolling friction, trapezoidal screw is sliding friction, the work of the former temperature is much lower than the latter, you can take the high-speed drive tasks. The ball screw shaft, Shandong Fu Jun (certified), Nyingchi ball screw is provided by Mechanical Technology Co., Ltd. Shandong Fu Jun. Machinery Co., Ltd. Shandong Fu Jun (www.fumotor.com) is an industry leader in Shandong Weifang, machinery and industrial products cooperation projects over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Shandong Fu Jun leadership with the staff warmly welcome all inquiries negotiations to create Shandong Fu Jun, a better future.