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滾珠絲杠桿與梯形絲桿自鎖分析
來源：http://m.306135.com/ 日期：2021-01-13 發布人：
滾珠絲杠使用的是循-環滾珠軸承，方便以大限度減小摩擦以及效率的提-高，而梯形絲桿就是要利用滑動表面之間的低摩擦系數。所以，梯形絲桿通常沒有滾珠絲杠的效率高。
The ball screw uses the circular ball bearing to reduce the friction and improve the efficiency. The trapezoidal screw uses the low friction coefficient between the sliding surfaces. Therefore, trapezoidal screw is usually not as efficient as ball screw.
分析摩擦學機制就能夠發現：滑動摩擦的可預測性低于采用循-環滾珠技數的傳動。疲勞壽命方程在其適用范圍內可靠。
By analyzing the mechanism of tribology, it can be found that the predictability of sliding friction is lower than that of the transmission with circular ball technology. The fatigue life equation is reliable in its application range.
綜合以上，就可以知道滾珠絲杠和梯形絲桿是因為預測性能和壽命的能力有所差異，所以在應用領域也有很大的區別。
Based on the above, we can know that ball screw and trapezoidal screw are different in their ability to predict performance and life, so they are also very different in the application field.
雖然滾珠絲杠有著較多的優勢，但是成本比較高。
Although ball screw has many advantages, but the cost is relatively high.
雖然和其它平移直線運動方案相比來說，它們的性價比很高，但是因為滾珠絲杠的設計比之復雜，需要經過-硬化處理的精密軸承表面以及一個滾珠循-環裝置。
Although compared with other translational linear motion schemes, their cost performance is very high, but because the design of ball screw is more complex, it needs a precision bearing surface after hardening treatment and a ball circulation device.
而梯形絲桿的尺寸很小，設計起來很靈活，在正常使用的情況下噪音很小，耐腐蝕性能好，可以為了滿-足垂直應用需求而配置自鎖功能。它們在很多應用領域發揮著重要作用，當然本身也有一些限制。
The trapezoidal screw has small size, flexible design, low noise and good corrosion resistance in normal use. It can be configured with self-locking function to meet the requirements of vertical application. They play an important role in many application fields, but they also have some limitations.
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