Examples of tool solutions 8 COMPENSATOR HOLES Objective To reduce the often long machining time while achieving a high degree of size consistency. To eliminate rings in the bore, produced by the rough pass reamer, that are often stuck in the component and need to be removed manually. Result The new process strategy and technology replace straight fluted tools with helix tools to eliminate the problem with rings. The reinforced core diameter and extra guide pads give a straight hole with excellent size consistency. In addition, the cycle time is often reduced by more than 50%. SC twist drill Article no. 289412.1200 n = 3881 min -1 vf = 970 mm/min. SC core drill Article no. 212891/999999 n = 2000 min -1 vf = 800 mm/min SC Ring-free reamer Article no. 212851/999999 n = 1415 min -1 vf = 354 mm/min SC drill Article no. 212120/999997 n = 2158 min -1 vf = 755 mm/min C7 PLUS C7 PLUS 9
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