Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/2119
標題: 工具鋼SKD61鑽削製程即時監測
Real-Time Monitoring of Drilling Process on Tool Steel SKD61
作者: 何春福
He, Chun-Fu
關鍵字: Drilling;鑽削;Monitoring;Spindle Motor;Cutting Force;監測;主軸馬達;切削力
出版社: 機械工程學系所
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摘要: 
在製造自動化發展潮流中,進行無人化加工生產,尤以對於加工刀具之破損或加工異常狀況發生時的監測是相當重要的一環,其切削監測技術可分為直接量測與間接量測方式。在本研究中,以加工常使用的切削力量測及主軸馬達電流負載量測作為間接監測的方式,探討主軸馬達電流負載量測加工情況,其負載變化趨勢對照切削力所量測到的變化是否相同,以判斷刀具異常狀況的發生。
首先進行鑽削實驗,觀察不同切削條件下,主軸馬達電流負載與切削力的變化情形,接著進行刀具磨耗及破損驗證實驗。實驗結果顯示,量測主軸馬達電流負載監測鑽削加工,所得到變化趨勢與切削力變化相同;而在破損驗證實驗中,鑽頭主切削刃破損時,與新鑽頭比較,得到較大之負載值變化,因而需予以作刀具更換的動作。由實驗得到使用主軸馬達電流負載方式與切削力趨勢變化有一定程度的相關,也能夠監測加工狀況,在易於架設及其他高成本之監測方式中,可以是另一種選擇來做切削狀況的監測。

In the trend of automation manufacture, working without manual process, it is the most important factor in cutting process to monitor the damage of the tool occurring and machining process during the processing. Its cutting monitoring technology can be divided into direct-inspection and indirect-inspection. In this research, we choice the indirect-inspection methods that often use in machining process are the cutting force method and the electric current load of the spindle motor method. To discuss the electric current load of the spindle motor situation while processing, to compare with the cutting force its variation tendency, in order to judge the emergence of the unusual state of cutting.
Firstly, we observed different cutting condition under drilling experiment, the change situation of the electric current load of the spindle motor and the cutting force. And then to proceed the wear and damage of the tool verification experiment. The experimental results show that to measure the electric current load of the spindle motor under drilling, the tendency variation is the same with the cutting force; in the verification experiment of the damage of the tool, when the cutting edge was broken, we get a larger load value change after comparing with new drill. Therefore, the drill must be changed. By this experiment, we can understand that the variation tendency of the electric current load of the spindle motor method and cutting force method have a certain degree relevant to get. Therefore, we can use the electric current load of the spindle motor method to monitor the state of processing. And it is a low cost technique and easy to set up to compare with other expensive monitoring ways, that can be another choice method to come to do the monitoring of cutting process.
URI: http://hdl.handle.net/11455/2119
其他識別: U0005-2508200811221300
Appears in Collections:機械工程學系所

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