梯形丝杆的介绍

What requirements should the material of trapezoidal screw meet?

作者:   日期:2019-07-03  来源:  关注:0

1. The trapezoidal screw mechanism can be divided into sliding friction mechanism and rolling friction mechanism. Sliding screw nut mechanism has simple structure, easy processing, low manufacturing cost and self-locking function, but its friction resistance moment is large and transmission efficiency is low (30%-40%). It has the advantages of small friction resistance moment, high transmission efficiency (92%-98%), high accuracy, good system stiffness, feasibility of movement and long service life, so it has been widely used in mechatronics system.


2. Three gears are required, and the length of trapezoidal screw is three times the pitch.


3. Trapezoidal screw mechanism is also called screw transmission mechanism. It is mainly used to convert rotary motion into linear motion or linear motion into rotary motion. There are transmission capacity as the main (such as screw press, 1000-ton roof, etc.); there are also transmission movement as the main feed screw of machine tool worktable; there are screw transmission mechanism to adjust the relative position of parts.


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