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    A simple analysis of milling cutter angle characteristics and effects

    Angle milling cutter structure belongs to a part of what this perspective can play the main role? In fact, the impact angle of the end mill cutting the main front horn, posterior horn, the blade angle (helix angle). Since the main form when machining hardened steel tools fail to tip breakage, therefore, should select the appropriate tool angle in order to improve the impact strength of the tip, such as a smaller front corner and rear corner. A document adopted TiALN coating tooling hardness above 55HRC hardened steel, with a different rake angle (+ 15 °, + 5 °, -5 °, -15 °,) and helix angle (30 °, 45 °, 60 °) cutting tool material 60HRC found rake angle of -15 ° and 60 ° helix angle of the tool wear minimal, indicating a large helix angle and negative rake angle can be reduced tool wear.

    For indexable cutter, different blade shapes have different tip strength, the greater the general sharp knife, the greater the intensity of the tip, and vice versa; the choice when machining hardened steel knife blade pointed larger, Due to the greater cutting force sharp knife larger requires machine has good rigidity and greater power.

    The same cutter diameter, number of teeth, the more rigid shank as possible, and the greater the feed rate can be used, and therefore the higher the cutting efficiency; however small chip space between the two cutting edges, chip variants difference. Double tooth cutter suitable for larger depths of cut relatively soft workpiece machining, and multi-tooth cutter is suitable for small cutting depth processing of high hardness (eg hardened steel) materials. These are the opposite point of view a simple analysis cutter, hope in practical applications, can be helpful to everyone.

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