When compared with an ordinary sliding guide, the friction coefficient listed here is just one fiftieth. The nice efficiency and zero Perform necessarily mean that the linear guideway can be employed in various methods. Ballscrews هر سه فاکتور امنیت، سرعت و راحتی باعث شده چنین لقبی به این روش داده http://gg.gg/1b5jv8