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首页> 外文期刊>Mechanism and Machine Theory: Dynamics of Machine Systems Gears and Power Trandmissions Robots and Manipulator Systems Computer-Aided Design Methods >Design of form milling cutters with multiple inserts for screw rotors
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Design of form milling cutters with multiple inserts for screw rotors

机译：带多个刀片的螺杆转子成型铣刀的设计

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摘要

Form milling cutters with multiple inserted cutter blades are widely used in roughing screw rotors. This paper proposes a mathematical method for finding the distribution of cutter body inserts that will result in an equal wear rate for their cutting edges. First, commercially available standard inserts are selected and positioned in the form milling cutter axial section to satisfy profile geometry tolerance. Next, the insert tool life in every position is estimated based on its cutting material volume and corresponding wear rates. To even the insert wear rate and increase tool life, multiple inserts can be used at the same insertion position. Once the numbers of insert positions and inserts at each position have been explicitly defined, the inserts can be distributed on the cutter body periphery in a spiral form. Not only is the operational cost of such form milling cutters far less than that of cutters using special order blades, but the fact that all inserts are chosen from standard blades and can be replaced when the cutting edge becomes dull makes geometric precision easier to maintain.
机译：带有多个插入刀片的成型铣刀广泛用于粗加工螺杆转子。本文提出了一种数学方法，用于找到刀体刀片的分布，这将导致其切削刃的磨损率相等。首先，选择市售的标准刀片，并将其定位在铣刀轴向截面中，以满足轮廓几何公差。接下来，根据切削刀具的切削量和相应的磨损率估算每个位置的刀片寿命。为了使刀片的磨损率均匀并延长刀具寿命，可以在同一刀片位置使用多个刀片。一旦明确定义了刀片位置和每个位置的刀片数量，即可将刀片以螺旋形式分布在刀体外围。这种成型铣刀的操作成本不仅远低于使用特殊订单刀片的铣刀，而且所有刀片均选自标准刀片，并且当切削刃变钝时可以更换刀片，这使得几何精度更易于维护。

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