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1. 发明专利

JPH03277466A PROCESSING DEVICE 失效
公开(公告)号：JPH03277466A
公开(公告)日：1991-12-09
申请号：JP7311590
申请日：1990-03-22
申请人： MORI NAOTAKE , MITSUBISHI ELECTRIC CORP
发明人： MORI NAOTAKE , SAITO NAGAO , TSUTSUMI KIYOHIDE , HASHIGUCHI TADASHI
IPC分类号： B24B57/02 , B24B1/04 , B24B37/00
摘要： PURPOSE:To replace abrasive grain easily by providing a magnetic abrasive grain storage means with a magnetic abrasive grain recovery means, and operating this magnetic abrasive grain recovery means at the time of replacing the abrasive grain. CONSTITUTION:At the time of replacing magnetic abrasive grain 8 into that of smaller grain diameter for further processing, a magnetic abrasive grain recovery means 9 is operated while circulating a processing solvent containing the magnetic abrasive grain 8 so as to attack the magnetic abrasive grain 8 by its electromagnetic force. The magnetic abrasive grain 8 remaining at a processed part is washed away from the processed part with water and the like with no magnetic abrasive grain 8 existing therein, sent by a processing solvent supply means 6 such as a pump, and recovered by the recovery means 9. The magnetic abrasive grain 8 smaller in grain diameter than the magnetic abrasive grain 8 used for the previous processing is then put into a processing solvent storage means 5 with only water and the like therein to perform the replacement of abrasive grain.

2. 发明专利

JPH03275179A ULTRASONIC WORKING DEVICE 失效
公开(公告)号：JPH03275179A
公开(公告)日：1991-12-05
申请号：JP7591590
申请日：1990-03-26
申请人： MORI NAOTAKE , MITSUBISHI ELECTRIC CORP
发明人： MORI NAOTAKE , SAITO NAGAO , TSUTSUMI KIYOHIDE , HASHIGUCHI TADASHI
IPC分类号： B24B1/04 , B06B1/06
摘要： PURPOSE:To allow oscillation while a node position is held fixed even if a tool, etc., are exchanged by analyzing the natural oscillation frequency over the entire part of an oscillation system and driving the oscillation system with the waveforms including up to the natural oscillation frequency components of higher orders by the result of the analysis. CONSTITUTION:The voltage of a square waveform is outputted from a waveform generator 1. The output from the waveform generator 1 is amplified by a wide band amplifier 2 to drive the entire part of the driving system. The output (voltage and current) of the wide band amplifier 2 is sampled by a waveform analyzer 4 and a transmission function (impedance curve) is determined from the voltage and current waveform. The waveform synthesized of the resonance frequency up to the highest possible order is computed by a computer 5 from the transmission function determined by the waveform analyzer 4. A series of the above-mentioned working are executed every time when certain conditions, such as specified time or specified working amt., are satisfied. The waveform computed by the computer 5 is outputted to the waveform generator 1 to drive the entire part of the oscillation system. Consequently, the oscillation is possible in this way while the node position is held fixed even if the tool, etc., are exchanged.

3. 发明专利

JPH0360773A ULTRASONIC PROCESSING DEVICE 失效
公开(公告)号：JPH0360773A
公开(公告)日：1991-03-15
申请号：JP19458889
申请日：1989-07-27
申请人： MORI NAOTAKE , MITSUBISHI ELECTRIC CORP
发明人： MORI NAOTAKE , SAITO NAGAO , HASHIGUCHI TADASHI
IPC分类号： B24B1/04 , B06B1/02
摘要： PURPOSE:To allow efficient processing by providing an oscillation generating means and an oscillation system and outputting specific ultrasonic waves. CONSTITUTION:The output superposed with the sinusoidal wave of an amplitude V1 is inputted by a voltage V0 from an oscillator 11 to a V/F converter 12. The waves are subjected to a frequency modulation to attain a fluctuation width f1 and the ultrasonic waves to repeat the fluctuation + or -1/2f1 in a period T0 with a frequency f0 as a center are generated and are inputted to a power amplifier 2. The oscillator 2 is driven by the output of the power amplifier 2 and the oscillations propagate to a processing tool 5. A work 6 is processed by the effect of the oscillation and abrasive grains 7. The amplitude sufficient for processing is obtd. in this way.

4. 发明专利

JPH02117792A WORK RECEIVING TABLE OF LASER BEAM MACHINE 失效
公开(公告)号：JPH02117792A
公开(公告)日：1990-05-02
申请号：JP26879288
申请日：1988-10-25
申请人： MITSUBISHI ELECTRIC CORP
发明人： HASHIGUCHI TADASHI , KISHI SEIGO , OKUBO HIDEYUKI
IPC分类号： B23K26/10
摘要： PURPOSE:To irradiate the inclined surface of a knife edge shape with a laser beam which passes through a work and to divert it downward without reflecting it upward by providing vertically metallic thin plates for placing a work at an interval of a cavity to each other and forming an upward knife shape in a reflecting member of a supporting member for supporting these metallic thin plates. CONSTITUTION:Plural pieces of metallic thin plates 21 of Al are provided at an interval of a cavity to each other in a state that they are erected vertically. Between each metallic thin plate 21, a reflecting member 22 of a lozenge-shaped washer shape is placed by turning a lozenge-shaped knife edge shape upward. The reflecting member 22 and the metallic thin plates are allowed to pass through so as to be orthogonal to the moving direction by a round bar 23 and formed as one body with a work receiving table with a lock nut 24. Subsequently, a sheet-like work 1 is placed on the upper end of the metallic thin plate 21 provided vertically. A laser beam which irradiates the work 1 and is made incident at a max. incident angle theta, irradiates the tip side face of the knife edge shape of the reflecting member 22, and the laser beam is not reflected upward but reflected downward, and diverted.

5. 发明专利

JPH02118166A CLOTH-CUTTING APPARATUS 失效
公开(公告)号：JPH02118166A
公开(公告)日：1990-05-02
申请号：JP27214488
申请日：1988-10-28
申请人： MITSUBISHI ELECTRIC CORP
发明人： HASHIGUCHI TADASHI , OKUBO HIDEYUKI
IPC分类号： B23K26/40 , B23K26/38 , D06H7/02
摘要： PURPOSE:To enable smooth and sure automatic transfer of a cut small work to the next step by placing a delivery conveyor at the delivery side of a conveyor transfer mechanism of a cloth-cutting apparatus interposing an intermediate roller between the mechanism and the delivery conveyor, thereby eliminating the gap between the opposed end parts. CONSTITUTION:A delivery conveyor 7 is placed at he delivery side of a conveyor mechanism 1 composed of a conveyor belt 4 extended from a cloth-cutting apparatus and supporting a work such as cloth. An intermediate roller 8 is inserted between the mechanism 1 and the delivery conveyor 7 to eliminate the gap between the opposed end parts of the mechanism 1 and the conveyor 7.

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