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1. 发明公开

EP2186590A1 VIBRATION-SUPPRESSING MECHANISM FOR GEAR-SHAPING MACHINE 有权转让
标题翻译：振动减速机构的变速器生产机器
公开(公告)号：EP2186590A1
公开(公告)日：2010-05-19
申请号：EP08853372.4
申请日：2008-11-18
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： TOKAWA, Takahide , MARUYAMA, Kazutaka
IPC分类号： B23F5/16
CPC分类号： B23F23/10 , B23F5/16 , B23Q11/0035 , Y10T74/2183 , Y10T74/2184 , Y10T408/3796 , Y10T409/100636
摘要： Provided is a vibration-reduction mechanism for a gear cutting machine capable of reducing mechanical vibrations in the gear cutting of a helical gear by selecting an optimal balancer weight. For this purpose, provided is a vibration-reduction mechanism for a gear cutting machine that performs gear cutting on a workpiece (W) with a cutter (T) attached to a main shaft (26) made to move reciprocally by a crank. The vibration-reduction mechanism includes balancer shafts (16 and 17) arranged in parallel to a crank shaft (15). The balancer shafts (16 and 17) rotate synchronously with the crank shaft (15) at the same speed as the speed of the crank shaft (15). The balancer shaft (16) rotates in the opposite direction to the rotational direction of the crank shaft (15) while the balancer shaft (17) rotates in the same direction as the rotational direction of the crank shaft (15). The vibration-reduction mechanism also includes: main balancer weights (41 and 42) detachably attached onto the crank shaft (15) so as to reduce vibrations in the axial direction of the main shaft (26); and sub balancer weights (43 to 46) detachably attached onto the balancer shafts (16 and 17) so as to reduce vibrations in directions that are orthogonal to the axial direction of the main shaft (26). The balancer weights (41 to 46) are selected on the basis of a stroke width of the main shaft (26) and on the basis of a lead corresponding to the helical angle to be formed in the workpiece W.

2. 发明公开

EP2548684A1 CHAMFERING DEVICE AND GEAR PROCESSING MACHINE PROVIDED THEREWITH 审中-公开
标题翻译： ABSCHRÄGVORRICHTUNGUND DAMIT AUSGESTATTETE GETRIEBEVERARBEITUNGSMASCHINE
公开(公告)号：EP2548684A1
公开(公告)日：2013-01-23
申请号：EP10847965.0
申请日：2010-10-06
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： MASUO, Koichi , TOKAWA, Takahide
IPC分类号： B23F19/10
CPC分类号： B23F19/10 , B23F19/102 , Y10T29/5176 , Y10T409/101113 , Y10T409/108586
摘要： Provided is a chamfering device such that in a simple configuration, position adjustments of a chamfering cutter and a deburring cutter with respect to a workpiece can be easily carried out. The chamfering device is equipped with the chamfering cutter (31); the deburring cutter (32), which has a diameter different from that of the chamfering cutter; and a cutter swing block (35), a cutter longitudinal feed block (42), and a base block (43), which rotatably support the chamfering cutter (31) and the deburring cutter (32), and are capable of subjecting the chamfering cutter (31) and the deburring cuter (32) to position adjustment with respect to the workpiece (W). The workpiece (W), the chamfering cutter (31), and the deburring cutter (32) are disposed so that the cutter longitudinal feed block (42) can perform single-axis feeding with respect to the workpiece (W). The chamfering cutter and the deburring cutter are disposed so that the cutting change amount of the chamfering cutter and that of the deburring cutter will be approximately equal to each other throughout the diameter range of the workpiece to be processed.
摘要翻译：提供了一种倒角装置，使得在简单的构造中，可以容易地进行倒角切割器和去毛刺切割器相对于工件的位置调整。倒角装置配有倒角刀（31）; 所述去毛刺刀具（32）的直径不同于所述倒角刀具的直径; 以及可旋转地支撑倒角切割器（31）和去毛刺切割器（32）的切割器摆动块（35），切割器纵向进给块（42）和基座块（43），并且能够对倒角进行倒角切割器（31）和去毛刺切割器（32）以相对于工件（W）进行位置调整。工件（W），倒角切割器（31）和去毛刺切割器（32）设置成切割器纵向进给块（42）能够相对于工件（W）进行单轴进给。倒角切割器和去毛刺切割器被设置成使得倒角切割器和去毛刺切割器的切割变化量在待处理的工件的整个直径范围内将彼此大致相等。

3. 发明公开

EP2368660A1 METHOD OF CONTROLLING MACHINE TOOL AND MACHINE TOOL 审中-公开
标题翻译： VERFAHREN ZUR STEUERUNG EINER WERKZEUGMASCHINE UND WERKZEUGMASCHINE
公开(公告)号：EP2368660A1
公开(公告)日：2011-09-28
申请号：EP09831796.9
申请日：2009-11-13
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： TOKAWA, Takahide , TOGAWA, Yoichi
IPC分类号： B23F5/16
CPC分类号： B23F23/006 , B23F5/16 , Y10T409/103975 , Y10T409/105088 , Y10T409/105247
摘要： To provide a method of controlling a machine tool and a machine tool which allow preventing relieving interference without using a mechanism for causing an offset between a cutter (13) and a workpiece (50) , a controller (40) performs control such that the workpiece (50) is machined by repeating the steps of: machining the workpiece (50) by moving the cutter (13) for machining the workpiece (50) in a direction parallel to a rotational axis of the cutter (50) while rotating the workpiece (50) together with the cutter (13); and returning the cutter (13) to a machining start position again after termination of the machining step, and performs offset control such that the cutter (13) is moved away from the workpiece (50) in a rotation direction of the cutter (13) upon the termination of the machining step.
摘要翻译：为了提供一种控制机床和机床的方法，其允许在不使用用于在刀具（13）和工件（50）之间产生偏移的机构的情况下防止减轻干扰，控制器（40）执行控制，使得工件通过重复以下步骤来加工（50）：通过在旋转工件的同时移动用于在与切割器（50）的旋转轴线平行的方向上加工工件（50）的切割器（13）来加工工件（50） 50）与刀具（13）一起; 并且在加工步骤结束后再次将加工刀具（13）返回到加工开始位置，并且进行偏移控制，使得切割器（13）沿着切割器（13）的旋转方向远离工件（50）移动，在加工步骤终止时。

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