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    • 53. 发明授权
    • Hydraulic speed control system
    • 液压调速系统
    • US4745832A
    • 1988-05-24
    • US935817
    • 1986-11-28
    • Philip A. Kubik
    • Philip A. Kubik
    • B23Q5/26B23Q15/10B23B3/00
    • B23Q5/26B23Q15/10Y10T82/16229Y10T82/2512Y10T82/2533
    • An hydraulic control system coordinates the rate of rotation of a workpiece about a fixed axis with the radial displacement of an end facing tool from that axis to maintain a constant feed rate or cutting speed of the workpiece to the tool as the tool moves radially across the workpiece. A doubled rodded piston has one rod connected to drive the tool and a second rod which projects into the chamber of a master cylinder. Fluid displaced from the master cylinder by tool driving movement of the piston is employed to drive a slave piston coupled to a speed control of a variable speed motor which drives the workpiece in rotation.
    • 液压控制系统将工件围绕固定轴线的旋转速度与面向端面的工具从该轴线的径向位移相配合,以保持工具在工具沿径向移动时保持恒定的进给速率或切削速度。 工件。 一个双重的活塞活塞有一根杆连接起来驱动工具,第二个杆伸入主缸的腔室。 通过活塞的工具驱动运动从主缸移动的流体用于驱动与驱动工件旋转的可变速电动机的速度控制相连接的从动活塞。
    • 57. 发明授权
    • Apparatus for maintaining a constant surface speed of a rotating work
piece being cut by a moving cutting tool
    • US3976861A
    • 1976-08-24
    • US591166
    • 1975-06-27
    • Clarence Roy EdwardsJohn James Nolan
    • Clarence Roy EdwardsJohn James Nolan
    • B23Q15/013B23Q15/00B23Q15/10G05B19/18B23Q5/08
    • G05B19/182G05B2219/43141Y10T82/2502Y10T82/2556
    • An apparatus for maintaining a constant surface speed of a rotating work piece being cut by a moving cutting tool, comprising means for storing a first signal representing a binary coded decimal number which is further representative of the product of the desired constant surface speed of the work piece and a conversion constant. The apparatus is further comprised of a shift register for receiving a second signal representing a binary coded decimal number which is further representative of the current radial dimension of the work piece being cut, and means for storing a third signal representing a binary coded decimal number initially representative of an assumed rotational speed of the work piece. Means for arithmetically multiplying the binary coded number representative of the radial dimension of the work piece by the binary coded number representative of the assumed rotational speed of the work piece is also provided, along with a means for storing a fourth signal representing a binary coded decimal number which is further representative of the product of the radial dimension of the work piece and the rotational speed of the work piece. Further provided is a means for comparing the first signal representing the binary coded decimal number which is representative of the product of the desired constant speed of the work piece and the conversion constant with the fourth signal representing the binary coded decimal number which is representative of the product of the radial dimension of the work piece and the assumed rotational speed of the work piece, and for providing a fifth signal to adjust the binary coded decimal number representative of the assumed rotational speed of the work piece until the compared first and fourth signals are made approximately equal, at which time a sixth signal representing a final binary coded decimal number representative of the required rotational speed of the work piece is generated to control the speed of a motor that drives a spindle which holds the work piece.