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1. 发明专利

JP2558267B2 失效
公开(公告)号：JP2558267B2
公开(公告)日：1996-11-27
申请号：JP1226787
申请日：1987-01-23
申请人： CITIZEN WATCH CO LTD
发明人： MIHARA KUNYUKI , SUGIMOTO KENJI , FUKUYAMA KUNIO
IPC分类号： B23B7/06 , B23B29/24

2. 发明专利

JP2504907B2 失效
公开(公告)号：JP2504907B2
公开(公告)日：1996-06-05
申请号：JP8518993
申请日：1993-03-22
申请人： CITIZEN WATCH CO LTD
发明人： SUGIMOTO KENJI , FUJISAWA TOSHIO
IPC分类号： B23B3/30

3. 发明专利

JPH07164203A MULTI-SPINDLE AUTOMATIC LATHE 失效
公开(公告)号：JPH07164203A
公开(公告)日：1995-06-27
申请号：JP34276593
申请日：1993-12-16
申请人： CITIZEN WATCH CO LTD
发明人： SUGIMOTO KENJI
IPC分类号： B23B3/32 , B23B9/04 , B23B19/00 , B23B21/00 , B23Q1/00 , B23Q1/48
摘要： PURPOSE:To improve processing accuracy of a work to be machined regardless of the accuracy of the presetting position of a cutting tool. CONSTITUTION:This automatic lathe is provided with plural tool rests 18A, 18B, 25A, 25B equipped with plural cutting tools respectively which are disposed so as to face respective work spindles 13A, 13B, and is held by single transverse feed bars 15, 23 so as to slide separatedly and independently in the cross feed direction of tools. It is thus possible to process a work to be machined to different depthes.

4. 发明专利

JPH06126504A BACK WORKING METHOD IN BAR WORKING LATHE 失效
公开(公告)号：JPH06126504A
公开(公告)日：1994-05-10
申请号：JP8519093
申请日：1993-03-22
申请人： CITIZEN WATCH CO LTD
发明人： SUGIMOTO KENJI , FUJISAWA TOSHIO
IPC分类号： B23B3/30
摘要： PURPOSE:To perform efficiently back working by simple constitution, by adding lateral direction movement to a back working main spindle and dividing the position of the back working main spindle into a cutting-off working position on a main spindle center line and a back working position offset from the main spindle center line. CONSTITUTION:When cutting-off working is completed, the piston rod 37 of a cylinder 36 is retreated, a back working main spindle 15 is retreated to a back working position O' from a cutting-off working position on a main spindle center line 0, and also a transverse feed rest 3 is retreated to an original position; in the main spindle rest side of a lathe, a bar in the main spindle is extruded by given quantity to begin the next working for a bar, gripped on the main spindle by the tool, etc., of a first turret tool rest 4. On the one hand in a back working device side, the retreating of the back working main spindle 15 to the back working position O' is confirmed, and a second turret tool rest 5 is dividing-rotated to perform back working to a partially fabricated item 6a chucked to the back working main spindle 15 by tools for various kinds of back working fitted to the second turret tool rest 5.

5. 发明专利

JPH06114602A NUMERICAL CONTROL LATHE 失效
公开(公告)号：JPH06114602A
公开(公告)日：1994-04-26
申请号：JP28360592
申请日：1992-09-30
申请人： CITIZEN WATCH CO LTD
发明人： SUGIMOTO KENJI
IPC分类号： B23B3/30 , B23B25/00 , B23Q11/08
摘要： PURPOSE:To provide a new numerically controlled lathe which has got rid of such defects inherent in a conventional multi-axis NC lathe as being difficult to make programming and tooling and being expensive and which can satisfactorily be a substitute for a single axis or a multi-axis automated lathe structured in a cram system. CONSTITUTION:A plurality of spindle tables are installed on a bed 1 in such a sway that spindle axes 7A, 7B, 7C are situated parallel, and a tool rest supporting table 10 is installed on the bed 1 positioned ahead of the spindle tables, and on this supporting table 10, mounting is made in such a way as mating with the respective spindles. A plurality of tool rests 12A, 12B, 12C are furnished which are arranged movable independently in the first direction perpendicular to the corresponding spindle axis. Therein the spindle tables or tool rests 12A, 12B, 12C are relatively movable independently in the spindle axis direction, and processing spaces 20A, 20B, 20C are provided between the spindle and the tool rest 12A, 12B, 12C mating with the applicable spindle.

6. 发明专利

JPH0248101A CONTROL OF NUMERICALLY CONTROLLED LATHE 失效
公开(公告)号：JPH0248101A
公开(公告)日：1990-02-16
申请号：JP19972488
申请日：1988-08-09
申请人： CITIZEN WATCH CO LTD
发明人： SUGIMOTO KENJI , KUDO MAKOTO
IPC分类号： B23Q15/00 , B23B1/00
摘要： PURPOSE:To exhibit simultaneous interpolation process function to the maximum extent by adding and subtracting speed command signals of first and second control systems to control the maximum feed speed etc. of a tool at a time of simultaneously carrying out first and second interpolation processes. CONSTITUTION:At a time of simultaneously carrying out first and second interpolation processes by X1-, Z1-, X2-, Z2-axis feed motors 21-24, a control unit 30 adds speed command signals in the direction of Z1-axis or X1-axis from the interpolation processing circuit 41 and acceleration/deceleration processing circuits 42, 43 of a first control system 40 to speed command signals in the direction of Z2-axis or X2-axis from the interpolation processing circuit 51 and acceleration/deceleration processing circuits 52, 53 of a second control system 50 by means of a superposing circuit 55. The speed command signals of the first and second control systems are controlled by the second control system 50 so that the results of addition may not exceed the maximum feed speed and/or a time constant of the maximum acceleration/deceleration of a controllable tool. Thus, it is possible to exhibit simultaneous interpolation processing function to the maximum extent.

7. 发明专利

JPS6440202A CONTROLLING METHOD FOR MATERIAL SUPPLY AND ITS DEVICE 失效
公开(公告)号：JPS6440202A
公开(公告)日：1989-02-10
申请号：JP19244787
申请日：1987-07-31
申请人： IKURA SEIKI SEISAKUSHO KK , CITIZEN WATCH CO LTD
发明人： ITO RYUZO , ISHIKAWA MAKOTO , SATO KENJI , MAEYAMA KAZUNORI , SUGIMOTO KENJI
IPC分类号： B23B13/02 , B23Q7/06
摘要： PURPOSE:To prevent a bar from bending by making the headstock of an automatic lathe interlock with the feeding bar of an automatic bar supplying device in their movement, and moreover the selective disengaging of the above- mentioned interlocking action possible. CONSTITUTION:When a main spindle chuck closes to make an electromagnetic clutch 28 keep its turned on state, the lengthwise movement of a headstock 14 is transmitted through a connecting metal fittings 20 to an endless chain 26, and then through a sprocket wheel 24 and a shaft 25, the electromagnetic clutch 28, a shaft 31 and a sprocket wheel 30 to an endless chain 34, and further through a sprocket wheel 32 and a pulley 48 to another endless chain or an endless belt 52, and then through a connecting metal fittings 54 to a feeding bar 56. Namely, the feeding bar 56 of an automatic bar supplying device 40 moves interlockingly with the headstock 14 of an automatic bathe 10, and bar 58 moves interlockingly with the movement of the headstock 14 together with the feeding bar 56 in the axial direction of a main spindle, and is therefore subjected to no axial force.

8. 发明专利

JPS63251101A GUIDE BUSH DEVICE FOR AUTOMATIC MACHINE 失效
公开(公告)号：JPS63251101A
公开(公告)日：1988-10-18
申请号：JP8555287
申请日：1987-04-07
申请人： CITIZEN WATCH CO LTD
发明人： SUGIMOTO KENJI
IPC分类号： B23B7/06 , B23B13/02 , B23B13/12
摘要： PURPOSE:To shorten processing time, by providing a power transmitting means which selects whether a guide bush with a varying hole size, engaged with the hollow part of a rotary shaft, slidably guides or grips a material through the motion of an actuator means. CONSTITUTION:A material 10 is inserted through the rear of a main spindle rest 3 into a guide bush 27, and a piston 37 is pushed by means of a hydraulic cylinder 36. In which case, an opening/closing lever 33 is rocked counterclockwisely, a bobbin 31 is slid rightward, and a lever 30 is rocked leftwardly. A proper gap is provided between the guide bush 27 and the material 10 by means of a regulating screw 28. Thereafter, the piston 37 is operated toward the suction side, the material 10 is gripped by means of the guide bush 27, and the main spindle rest 3 is moved by a distance equivalent to the processing length of a product. The material 10 is gripped by a collet chuck 7, and after the material is released from gripping of the guide bush 27, it is rotated for processing. This device enables decrease of total processing time.

9. 发明专利

JPS63200915A THREAD CUTTING METHOD BY NUMERICALLY CONTROLLED LATHE 失效
公开(公告)号：JPS63200915A
公开(公告)日：1988-08-19
申请号：JP3169387
申请日：1987-02-14
申请人： CITIZEN WATCH CO LTD
发明人： SUGIMOTO KENJI , YAMASHITA HIDEICHIRO , TAKEUCHI YOJI , KANEKO SHIGETO
IPC分类号： B23G3/00 , B23G1/00 , B23G1/02
摘要： PURPOSE:To make it possible to cut a thread having a large ridge by providing a first cutting tool and a second cutting tool with a predetermined angular space therebetween, and by shifting the positions of their cutting tips by a predetermined distance from each other in the axial direction of a workpiece so that cutting processes by them are carried out, simultaneously. CONSTITUTION:Tool holders 11, 12, 13, 14 holding cutting tools 21, 22, 23, 24, 25 on a tool bed 3 are set so that they may be extended and retracted to and from the principal axis of a lathe by means of servo-motors 31, 32, 33, 34, 35. When a thread having an outer diameter (d) is formed by simultaneous use of a roughing cutting tool 23 and a finishing cutting tool 21 which is arranged away from the former, the position of the cutting tip of the tool 23 is retracted by a suitable finishing allowance (a). Thereby both tools 21, 23 may cut one and the thread groove, simultaneously. Thereby, it is possible to cut a thread having a large ridge and a multiple thread, and thereby it is possible to manufacture screws having a high degree of accuracy with a high productivity.

10. 发明专利

JPS6384803A TOOL SETTING METHOD FOR AUTOMATED NC MACHINE TOOL 失效
公开(公告)号：JPS6384803A
公开(公告)日：1988-04-15
申请号：JP22365086
申请日：1986-09-24
申请人： CITIZEN WATCH CO LTD
发明人： SUGIMOTO KENJI , YAMASHITA HIDEICHIRO , KANEKO SHIGETO
IPC分类号： B23B25/06
摘要： PURPOSE:To enable the easy setting of a tool without any use of a tool presetter by providing primary and secondary operation switches for shifting a tool rest automatically to the position where the cutting edge of the tool agrees to be center and the external surface of a rod-shaped raw material. CONSTITUTION:A rod-shaped raw material 14A is drawn backward, a primary operation switch is pressed with a tool 25 dismantled and a tool rest 23 is moved to the position where the tip of the tool 25 agrees to the center of the raw material 14A. And the tool 25 is set, an adjustment screw 23b is so adjusted as to shift an inclined support bed 23a and the tool 25 is slided back and forth thereon for determining the alignment height of the tool 25 visually. Then, a secondary operation switch is pressed and the tool rest 23 is moved to the position where the tip of the tool 25 agrees to the external surface of a raw material 14B. And the tool 25 is slided on the inclined support bed 23a, a cutting edge is pressed to the external surface of the raw material 14B, and a clamp screw 23c is tightened, thereby terminating the setting of the tool 25.

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