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    • 84. 发明专利
    • MOTOR-DRIVEN PROCESSING DEVICE
    • JP2001087918A
    • 2001-04-03
    • JP26286399
    • 1999-09-17
    • SUGINO MACH
    • ONISHI ISAOIHARA MINORU
    • B23B47/20
    • PROBLEM TO BE SOLVED: To provide a motor-driven processing device free of the risk that the accuracy and/or rigidity deteriorates and the overall length of the device increases even if the advancing and retreating strokes of a ram are elongated. SOLUTION: This motor-driven processing device 1 to process a work using a tool rotated by a motor and advancing and retreating is composed of a hollow frame 10, a ram 20 held in a hole 11 formed in the frame 10 in such a way as advancing and retreating, fitted with a tool and having a rotating spindle 21 at the forefront, a ball screw 30 supported rotatably within the frame 10 parallel with the ram 20, a linear bearing 40 having a guide rail 41 fixed to inside the frame 10 parallel with the ram 20 and a slider 42 supported movably on the guide rail 41, and a screw supporter 50 having a stationary part 51 installed as advancing and retreating within the frame 10 and fixed to the slider 42, an engagement part 52 to engage the base end of the ram 20, and a nut part 53 to be fitted on the ball screw 30.
    • 88. 发明专利
    • PIPE CUTTING TOOL
    • JP2001009629A
    • 2001-01-16
    • JP18129799
    • 1999-06-28
    • SUGINO MACH
    • MORI EIJIMAKINO OSAMU
    • B23D21/14
    • PROBLEM TO BE SOLVED: To provide a pipe cutting tool to prevent the generation of chips during cutting of a pipe, resulting in shortening of a time during maintenance and inspection of a heat-exchanger, improve reliability, and further perform precise cutting of a pipe. SOLUTION: A pipe cutting tool 10 to cut a pipe 1 from an inner surface toward an outer surface comprises a spindle 20 inserted in the pipe 1 and rotatable around the same axis 20 as the axis 1A of the pipe, a cutter shaft 30 inserted in the spindle 20 and rotatable around an axis 30A eccentric from the axis 20A of the spindle, and a cutter wheel 40 pivotally supported at the tip part of the cutter shaft 30 protruded from the tip part of the spindle 20 and rotatable around an axis 40A (a pin 35) paralleling the axis 30A of the cutter shaft. By rotating the cutter shaft 30 around the axis 30A of the cutter shaft, the cutter wheel 40 is pressed against the inner surface of the pipe 1. By effecting planetary movement of the cutter wheel 40 around the axis 1A, plastic deformation occurs to the pipe 1 and the pipe 1 is cut from the inner surface toward the outer surface.
    • 90. 发明专利
    • TUBE REMOVING DEVICE
    • JP2000288845A
    • 2000-10-17
    • JP10114499
    • 1999-04-08
    • SUGINO MACH
    • TANIMURA HIDEYUKIMORI EIJITANAKA TOSHIHARU
    • B23P19/04B25B27/02F28F11/00
    • PROBLEM TO BE SOLVED: To efficiently carry out a drawing work of a tube fixed to a structure by a relatively simple structure. SOLUTION: A plurality of slant surfaces 25 inclined along a retreat direction of a rod 13 are interspersed in a rotation direction of the rod 13 on a tip end portion of the rod 13 inserted into a tube 6. An engaging member 14 is provided every on a position corresponding to the slant surface 25 by surface contacting the engaging member 14 with the slant surface 25 in the state that a slide in a radial direction is only permitted. When the rod 13 is moved in retreat direction, the engaging member 14 slides in a radial direction by a guide of the slant surface 25 to press-contact to an inner surface of a tube 7. In contrast thereto, when the rod 13 is returned and moved in an advancing direction, a diameter-reducing block 10 urges the engaging member 14 in a direction that it is left from an inner surface of the tube 7 interlocked therewith and for forcedly leaving the engaging member 14 from the inner surface of the tube 7.