液動拋光滾珠螺桿內螺旋表面之研究

A study on hydrodynamic polishing the inner surfaces of ballscrews

王崇漢(Chong-Han Wang)

指導教授 ： 周煥銘

共同指導教授 ： 張育斌

崑山科技大學/工程學院/機械工程研究所/碩士(2009年)

摘要

高精密工業對於產品的品質、精密度以及使用壽命皆必須有相當的要求；在機械元件中致動器通常是耗損能量與影響精密度的主因。由於目前滾珠螺桿被大量運用於高精密工作母機的移動平台致動器上，是高精密工業重要的關鍵組件；此外，基於能源及加工時間之成本考量，高轉速滾珠螺桿的需求大增，在此操作條件下，單憑潤滑油膜是無法完全防止磨耗的產生，因此必須從高性能滾珠螺桿之開發研究著手，推出更高級的產品已是不可避免的未來趨勢，開發高精度高效能之滾珠螺桿實為提升相關產業界競爭力之當前要務。
因此，本研究以驅動黏彈性磨料流動加工法來對滾珠螺桿桿件進行拋光實驗。藉由控制加工時間、磨料濃度、固定主軸轉速等加工參數，探討其對滾珠螺桿表面粗糙度的影響，並找出最佳化參數組合。同時亦觀察實驗後螺桿表面，以瞭解各加工參數對工件表面粗糙度之影響。

關鍵字

滾珠螺桿 ； 液動拋光 ； 表面粗糙度

並列摘要

The quality and the accuracy are very important for the high accurate mechanical engineering. The actuator always significantly influences the energy loss and the accuracy. Therefore, the ballscrews play an important role when it was used in the actuator of the machine. Moreover, the high speed ballscrews are attracted recently due to the manufacturing cost down. However, the oil film usually failed under this condition. Therefore, it is very important for Taiwan to establish the key technology of the high precision and high speed ballscrews in the future.
Based on the above statements, hydrodynamic polishing the inner surfaces of ballscrews was investigated in this study. The working time, the ceramic particle concentration and the rotation speed were selected as the experimental parameters. According to the results of surface roughness, hydrodynamic polishing the inner surfaces of ballscrews can be investigated deeply.

並列關鍵字

Ballscrews ； Hydrodynamic polishing ； Surface roughness

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