本研究的過程可分為三個階段，首先是利用現有之光學量測系統度量微型無屑螺絲攻之幾何特徵，包含外徑、中徑、節距、螺紋角等尺寸，並利用二次元量測儀重新度量以確認光學系統之可靠度。第二階段則是利用田口實驗方法進行磨耗量分析。實作中，選定三種鍍膜形式、進給率與攻牙轉速及潤滑油黏度等控制因子之微型無屑螺絲攻，分別給予三種不同水準，於厚度1mm之不鏽鋼SUS304板材攻牙9次。量測螺絲攻各牙序之磨耗，探討其磨耗曲線。並利用信號雜訊比及磨耗平均比進行變異數分析找出對於微型無屑螺絲攻影響較大的因子。第三階段則是，以攻牙後螺絲攻分別以光學系統量測探討刀具壽命，包含微型無屑螺絲攻外徑變化及稜脊的磨耗區長度變化，並針對被加工不鏽鋼板材之品質進行驗證各項螺紋特徵。透過系統檢測後期盼能提供業界針對鍍膜之微型無屑螺絲攻製程及攻牙品質參考。

This research mainly focuses on three parts, first of all, using the previous developed automatic optical inspection (AOI) system of the micro fluteless taps measure the geometric features of the different coating fluteless taps which is including the outside diameter, pitch, and the thread angle, and using the coordinate measuring machine compare the error between the AOI system and the coordinate measuring machine. Use the Taguchi’s method analyze the tool wear results and set the different factor, for example, the different coating of the tap, the speed and the viscosity of the oil, tapping the SUS304 stainless steel plate with the thickness of 1mm for 9 times. Measure the tool wear of each tooth, discussing the tool wear results. Using the S/N ratio and the mean ratio do analysis of variance (ANOVA), finding the most influential factor in the experiment. After tapping, the tool wear results have been determined, the workpiece have been verified in this study. The research results regarding micro fluteless tapping are expected to be used as a helpful reference for the industry.

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