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    • 27. 发明公开
    • Rotatable tool for chip removing machining
    • Drehendes Werkzeug zur spanabhebenden Bearbeitung
    • EP1555075A1
    • 2005-07-20
    • EP05445002.8
    • 2005-01-04
    • SANDVIK AKTIEBOLAG
    • Hansson, Lars-Ola
    • B23B51/02
    • B23B51/02B23B2205/02B23B2251/02B23B2251/248B23B2260/078Y10S408/713Y10T408/907Y10T408/9097Y10T408/9098Y10T408/90987
    • The invention relates to a rotatable tool for chip removing machining, of the type that comprises a basic body (1), e.g. a drill shank, and an exchangeable loose top (2). Between these there is a coupling, which includes a male part (12) on the loose top, and a groove (4) in the basic body. By means of a slot (5), two deflectable legs (6) are defined, which form a jaw for receiving and clamping of the male part (12). According to the invention, the maximal width (W) of the jaw upon deflection of the legs (6) is larger than the maximal breadth (B) of a wedge portion (15) included in the male part. Furthermore, the angles of inclination (α, β) of flank surfaces (18) on the male part and side surfaces (25) in the groove, are equally large in order to guarantee surface contact between said surfaces, when the legs (6) resiliently are tightened against the male part.
    • 本发明涉及一种用于切屑去除加工的可旋转工具,其包括基体(1),例如, 钻杆和可更换的松顶部(2)。 在这些之间,有一个联接器,它包括在松顶部上的凸形部分(12)和基体内的凹槽(4)。 通过狭槽(5),限定了两个可偏转腿(6),其形成用于接收和夹紧阳部件(12)的钳口。 根据本发明,夹爪在腿部(6)偏转时的最大宽度(W)大于包括在阳部件中的楔形部分(15)的最大宽度(B)。 此外,为了保证所述表面之间的表面接触,当所述腿部(6)和所述第二表面(18)之间的表面接触时,所述凹槽中的阳部件和侧表面(25)上的侧面(18)的倾斜角(α,β) 弹性地紧靠着男性部分。