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1. 发明专利

JPH01274914A SCROLL SHAPE MACHINING DEVICE 失效
公开(公告)号：JPH01274914A
公开(公告)日：1989-11-02
申请号：JP10222188
申请日：1988-04-25
申请人： MAZDA MOTOR
发明人： KOSAKA GENZO , SUGA MASAKAZU , HIRANO YOSHIE , IWAI TOSHIMITSU
IPC分类号： B23C3/32 , B23Q27/00
摘要： PURPOSE:To enable accurate machining without any correction of machining data even if the radius of a cutting tool changes due to the abrasion and exchange thereof by making the tool shiftable independently in a U-axis direction parallel to an X-axis in a cutting direction and shifting the tool with the U-axis by the same amount as a variation upon change of a tool radius. CONSTITUTION:A control part 13B drives a servo motor for shifting a tool holding part 42 in a U-axis direction on the basis of a variation in tool radius entered from an information processing part 13A and the tool holding part 42 is thereby shifted by the same amount as the variation of a tool radius. As aforementioned, a tool 6 or a tool rest 42 is shifted in the U-axis direction by the same amount as the variation of the tool radius when the radius of the tool 6 changes due to the wear or exchange of the tool 6 in a scroll shape machining device, thereby enabling the correction of the change of the radius of the tool 6. In other words, the U-axis direction is in parallel to an X-axis as a cutting direction, and when the tool 6 is shifted in the U-axis direction by the same amount at the variation of the tool radius, a machining position can be made constant without any change and correction of machining data (X.Y.C.T data).

2. 发明专利

JP2531964B2 失效
公开(公告)号：JP2531964B2
公开(公告)日：1996-09-04
申请号：JP1009288
申请日：1988-01-20
申请人： MAZDA MOTOR
发明人： WATANABE TAKAHIRO , MATSUMOTO ISAO , SUGA MASAKAZU , IWAI TOSHIMITSU
IPC分类号： B23C3/32 , B23F15/06 , B23Q27/00 , G05B19/18 , G05B19/4068
摘要： A machining apparatus for making the scroll parts comprising a headstock including a spindle for supporting a workpiece for rotation, a tool holder for supporting a machining tool, a first carriage supported for movement in a direction perpendicular to the spindle (an X-axis), a second carriage supported for movement in a direction parallel to the spindle, and a control device for controlling the movement of the first carriage and the rotation of the spindle according. The control device is so programmed as to calculate the distance between the center of the base circle generating a desired involute curve depicted by the scroll parts and the center of the machining tool and also to calculate the angle of rotation C of the spindle relative to the distance.

3. 发明专利

JPH01205971A GRINDING MACHINE FOR NON-ROUNDNESS MACHINING 失效
公开(公告)号：JPH01205971A
公开(公告)日：1989-08-18
申请号：JP2940988
申请日：1988-02-10
申请人： MAZDA MOTOR
发明人： FUKUMASA AKITO , SUGA MASAKAZU , UCHIUMI MASAYUKI
IPC分类号： B24B19/08 , B24B49/02
摘要： PURPOSE:To stabilize the grinding capability of a machining means within a certain region by detecting the rotating electric power of a machining means and providing a rotation control means for increasing or decreasing the rotational speed of a workpiece corresponding to the detected value. CONSTITUTION:NC data SNC entered from an NC data preparation part is converted and corrected in a conversion part 42 in respect of a value at the time of the rough machining and finish machining of a workpiece 9. The value is converted into an analog signal S1 at a D/A converter 43 and then inputted to a subtracter 45. On the other hand, the detected value of the rotating electric power for a grindstone drive motor 14 is inputted to the subtracter 45 as a signal S2. In the subtracter 45, the signal S2 is subtracted from the signal S1 and the result of the subtraction is amplified and outputted to a feed pulse part 46 as a signal S3. A command pulse CP outputted from a pulse generator 57 in the feed pulse part 46 is inputted to a C-axis servo amp 47. This amp 47 drives a C-axis servomotor 7 for the rotation thereof and reduces the rotational speed of the workpiece 9, thereby stabilizing the grinding capability of a grindstone 15.

4. 发明专利

JPS6416363A NC GRINDING MACHINE FOR NON-ROUND MACHINING 失效
公开(公告)号：JPS6416363A
公开(公告)日：1989-01-19
申请号：JP16914687
申请日：1987-07-07
申请人： MAZDA MOTOR
发明人： KOSAKA GENZO , SEO HIROMICHI , SUGA MASAKAZU
IPC分类号： B24B17/10 , B24B19/08
摘要： PURPOSE:To secure the position of a machining tool itself and to simplify structure, by a method wherein a work is superposed with an X-axis profile data, and cutting is effected through the working of an X-axis drive means. CONSTITUTION:For example, a work W being a Bacon type oil pump part is secured in a position, and is moved in directions X and Y toward a high speed rotating grinding stone T for machining through the working of X-axis, Y-axis, and rotary tables 1-3 as it itself is rotated at a low speed. In which case, a control unit 10 reads non-round shape data stored in a first memory 11 and formed with X-axis and Y-axis profile and a C-axis moving rotary angle, responding to a distribution time for specifying the grinding point pass speed of the work W, and cutting data of a second memory 12. X-axis direction cutting is effected by a simultaneous 3-axis control mechanism M in a state that the cutting data is superposed with X-axis profile data so that a machining working direction and a pass speed of a contact point are specified. This constitution enables simplification of structure.

5. 发明专利

JPH01188210A SCROLL SHAPED WORKING MACHINE 失效
公开(公告)号：JPH01188210A
公开(公告)日：1989-07-27
申请号：JP1009288
申请日：1988-01-20
申请人： MAZDA MOTOR
发明人： WATANABE TAKAHIRO , MATSUMOTO ISAO , SUGA MASAKAZU , IWAI TOSHIMITSU
IPC分类号： B23C3/32 , B23F15/06 , B23Q27/00 , G05B19/18 , G05B19/4068
摘要： PURPOSE:To manufacture the working machine in the title at a low cost by calculating a distance between the base circle center of a scroll shaped involute part and the center of a working tool, and an angle of rotation of a headstock by means of particular equations to make driving control of a moving base and the headstock. CONSTITUTION:The radius of the base circle of a scroll shaped involute part formed in a workpiece is defined as 'a', an involute angle as theta, an angle from the moving axis of the 1st moving base 23C to a involute starting point as psi, and the diameter of the blade circle of a working tool 24 as D, respectively, and the distance x from the center of the said circle to the center of the tool 24 is calculated by the controller using equation I. Next, the rotation angle C of a headstock 22A is calculated depending on the distance x using equation II, and the movement of the first moving base 23C of a machine tool body 20 and the rotation of the headstock 22A are controlled. This mechanism enables the scrolling work only by the rotation of the workpiece and the movement of the working tool in one axis (x axis) direction. As only two working axes are necessary for the simultaneous work, this equipment can be prevented from its large size and can be manufactured at a low cost.

6. 发明专利

JPS6416364A WORK SIZE MEASURING DEVICE FOR NON-ROUND MACHINING DEVICE 失效
公开(公告)号：JPS6416364A
公开(公告)日：1989-01-19
申请号：JP16914787
申请日：1987-07-07
申请人： MAZDA MOTOR
发明人： KOSAKA GENZO , SUGA MASAKAZU , SANADA KENRO
IPC分类号： B24B19/08 , B23Q17/20 , B24B17/10 , B24B49/04
摘要： PURPOSE:To normally accurately position a probe on a peripheral surface to be machined, by a method wherein a feed amount, in the machining working direction of a machining tool, of the measuring probe brought into contact with the peripheral surface to be machined of a work for measuring size is computed to move the measuring probe. CONSTITUTION:A work size measuring device 20 supports a size detector 21 with the aid of an A-axis drive mechanism 22 in a manner to be movable in the direction of an A-axis, and a gauge head 24 is rotatably supported to a base part 23. A probe 25 is positioned on an X-axis such that it is brought into contact with a position situated facing a contact point of a machining tool T with the peripheral surface to be machined of a work W. The action of an A-axis motor 26 to move the probe 25 in the direction of an X-axis is controlled by computing a feed amount of the probe 25 in the direction of the machining action of the machining tool T, i.e. the direction of an X-axis, according to the rotation direction thereof from shape data of the work W in a non-round shape and rotation speed data. This constitution enables the probe to be normally accurately positioned on the peripheral surface to be machined of the work, and execution of accurate continuous measurement.

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