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In addition to checking the cutting edge wear in this research to examine the area of the cutting edge side wear that is as important as the process side milling process. from Figure 8 (a), (b), (c) the cutting edge side of the helix angle coating TiAlN at all. Find the flank wear wear but the intensity is different. From the picture showing the wear stages 9 flank wear when high helix angle is less wear period. helix angle 0 to 60 Vbmax is minimal because there is a helix angle high strength machining of low birth, causing less wear helix angle etc. Which is different from the best cutting edge strength is less, as explained earlier, and found a little chipping wear on sharp cuts with helix angle 0.30 shows that the size of the helix angle influencing the cutting side edge wear, as well as cutting edge. However, the end mill coated with TiAlN still has the ability to prevent side cutting edge wear better DLC. According to figure 8 (d), (e), (f) chipping wear found on the cutting edge all side with DLC coating is the body compression fraction cut sharp cutting area to the side until the end mill can not continue further cutting the figure 10.From Figure 10 is amazing in this build up the side edge, depending on the end mill coated with DLC. There are a number of institutional research has explained that there are other remarkable properties DLC is an excellent property anti-adhering (Et al, 2004 Fukui Haruyo.: J Robertson, Et al 1999: Liao Yunn-Shiuan., 2014), it could be because this is a research experiment. Milling continued long, making this property does not appear if the helix angle 60 0. An infected body as soon as possible to break through the 30 m span simply because of the size of the helix angle will result in a higher temperature is very high, with the workpiece (a workpiece which is described in the section of the temperature) makes the life of the end mill is just over 30 m milling only. different from the end mill with 300, helix angle results in a build up 450 side edge when cutting through the stage 50 m. Conversely, end mill with coating helix angle where all the TiAlN to build up the side edge of the mentioned above, TiAlN.
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