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    • 6. 发明专利
    • Production apparatus and production method for crankshaft
    • 生产设备和生产方法
    • JP2010227983A
    • 2010-10-14
    • JP2009080057
    • 2009-03-27
    • Honda Motor Co LtdNichidai:Kk本田技研工業株式会社株式会社ニチダイ
    • ITO YASUHIROONUMA TAKAYUKIANDO TSUTOMUKONDO YASUYUKI
    • B21K1/08B21J5/02F16C3/06
    • B21K1/08B21J5/06B30B7/04Y10T29/17Y10T29/49286Y10T29/49293Y10T29/49826
    • PROBLEM TO BE SOLVED: To provide a production apparatus and a production method for a crankshaft which form a plurality of hole parts in one stroke from a top dead center to a bottom dead center of a press ram. SOLUTION: Punches 112p, 117p and punches 114p, 115p are provided with two-level crossing structures 121, 122 as shown in Figs.3 and 4 in order to prevent interference between the punches in zones X, Y. In the two-level crossing structure 121, a flattened part 121B is disposed movably in a through-hole part 121A, and the punches 112p, 117p are crossed in a two-level manner. In the two-level crossing structure 122, the flattened part 121B is disposed movably in the through-hole part 121A and the punches 114p, 115p, are crossed in a two-level manner when inserted into a crank pin part 203. Thereby, the plurality of hole parts at the positions where the punches 112p, 117p and the punches 114p, 115p, are interfered with each other can be simultaneously formed. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种从压头压头的上止点到下止点一次形成多个孔部的曲轴的制造装置和制造方法。 解决方案:如图3和图4所示,冲头112p,117p和冲头114p,115p设置有两级交叉结构121,122,以防止X,Y区中冲头之间的干涉。在两个 平面交叉结构121,扁平部121B可移动地设置在通孔部121A中,并且冲头112p,117p以两级交叉。 在两级交叉结构体122中,当插入到曲柄销部203中时,扁平部121B可移动地设置在通孔部121A中,冲头114p,115p以两级交叉。因此, 可以同时形成在冲头112p,117p和冲头114p,115p彼此干涉的位置处的多个孔部。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Workpiece machining method
    • 工件加工方法
    • JP2007245282A
    • 2007-09-27
    • JP2006071229
    • 2006-03-15
    • Komatsu Machinery Corpコマツ工機株式会社
    • SHIMOMURA MASUMISHOJI MASAHIRO
    • B23B5/22B23B31/36
    • B23D37/005B23B5/18B23B31/16262B23B31/16266B23B2231/22B23B2270/12Y10T29/49286Y10T29/49996Y10T29/5114Y10T82/10Y10T82/19Y10T279/1291Y10T279/17025Y10T279/18Y10T279/26Y10T409/303808Y10T409/30756
    • PROBLEM TO BE SOLVED: To provide a workpiece machining method capable of reducing an initial cost or a running cost as much as possible in a production line. SOLUTION: The machining method includes a machining step for machining a clamp part in the other end part of the workpiece in a state that one end side of the workpiece is held in one chucking device, and the other end part of the workpiece is opened in the other chucking device, the machining step for machining the clamp part in one end part of the workpiece in the state that one end side of the workpiece is held in the other chucking device and the one end part is opened in the one chucking device, and a step for executing a desired machining for the workpiece in a state that the clamp part in one end part of the workpiece is held in one chucking device and the clamp part in the other end part of the workpiece is held in other chucking device. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够在生产线中尽可能地降低初始成本或运行成本的工件加工方法。 解决方案:加工方法包括加工步骤,用于在工件的一端侧保持在一个夹紧装置中的状态下加工工件的另一端部中的夹持部,并且工件的另一端部 在另一个夹紧装置中打开的加工步骤,用于在工件的一个端面保持在另一夹持装置中并且一个端部在一个夹持装置中打开的状态下加工工件的一个端部中的夹持部件的加工步骤 夹持装置,以及在工件的一个端部中的夹持部保持在一个夹紧装置中并且将工件的另一端部的夹持部保持在其他状态的状态下对工件进行所需的加工的步骤 夹紧装置 版权所有(C)2007,JPO&INPIT