Research and Application of a New Rolling Screw-nut Pairs

On the basis of Patent 2005100261765,a rolling screw-nut pairs which is suitable for high precision transmission is developed.Using ordinary T-screw thaft as pushing element,the design of the pair is optimized by a newly-constructed nut,a sort of transformed bearings,to match with the thaft.While possesses the excellency of common ball crews,the easy-adjustable nut provides a near-zero,rolling contacts with the thaft,so effectively eliminates the to-and-fro gaps and minimizes the friction in them,improves the locating precision and efficiency in moving.Compared with current technology,the nut has a specialty of easy-making,easy-adjustable and good maintenance.It also lowers the energy consuming and costs,and finds a good path to be popularized and applied,with a bright future of application.