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公开(公告)号：US09884276B2
公开(公告)日：2018-02-06
申请号：US14474393
申请日：2014-09-02
申请人： FANUC Corporation
发明人： Hirotsugu Kasai
IPC分类号： B01D35/00 , B01D35/02 , B23H1/10 , B23H7/36 , B01D35/143 , B01D35/157
CPC分类号： B01D35/02 , B01D35/1435 , B01D35/1573 , B23H1/10 , B23H7/36
摘要： A filter outer cylinder container is a hollow container, and a filter medium is mounted in the container. Fluid passage holes, opened in a side surface member of the filter outer cylinder container, are located at or above a fixed height from a bottom portion of the filter outer cylinder container, whereby a machining liquid is stored in the filter outer cylinder container, so that the filter medium can be always submerged in the machining liquid.
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2.发明授权公开(公告)号：US10737340B2
公开(公告)日：2020-08-11
申请号：US16132866
申请日：2018-09-17
申请人： FANUC CORPORATION
发明人： Hirotsugu Kasai , Hiroyuki Abe
摘要： A dielectric working fluid processor for processing dielectric working fluid used in a wire electrical discharge machine includes: a dirty liquid tank for storing dielectric working fluid containing machining swarf; a filter for removing machining swarf from the dielectric working fluid in the dirty liquid tank; a clean liquid tank for storing the dielectric working fluid from which the machining swarf has been removed by the filter; a pump for supplying dielectric working fluid from the dirty liquid tank to the filter; an inverter for controlling electric power to be supplied to the pump; a pump controller for controlling the rotation speed of the pump by varying the frequency of electric power supplied from the inverter to the pump; and a feed pressure obtainer for obtaining the feed pressure of the dielectric working fluid supplied from the pump to the filter, based on the frequency of the electric power.
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公开(公告)号：US10180344B2
公开(公告)日：2019-01-15
申请号：US15220863
申请日：2016-07-27
申请人： FANUC Corporation
发明人： Hirotsugu Kasai , Hisanori Kouda
IPC分类号： G01F23/00 , B23H1/00 , G01F23/30 , B23H7/20 , G05B19/404 , B23H1/02 , B23H7/14 , B23H11/00 , G01G9/00 , B23H1/10
摘要： A machining liquid is supplied to a predetermined level when a workpiece is on a table. A volume of the workpiece is obtained from a difference between the machining liquid amount at the predetermined level when a previous workpiece is not on the table, and the machining liquid amount when the workpiece is on the table. A weight of the workpiece is obtained from the obtained volume and a previously stored density of the workpiece. A weight of a mounting jig is obtained in the same procedure. A total volume of the jig and workpiece is obtained when the jig is on the table and the workpiece is fixed to the jig. The volume of the workpiece is obtained by a difference with respect to the volume of the jig. The weight of the workpiece fixed to the jig is obtained from the obtained volume and the previously stored density.
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公开(公告)号：US10016831B2
公开(公告)日：2018-07-10
申请号：US14674024
申请日：2015-03-31
申请人： FANUC Corporation
发明人： Hirotsugu Kasai , Yoshinori Makino
摘要： A wire electric discharge machine is provided with a storage unit configured to store the flow rate of a machining fluid delivered to a sealing portion in a machining tank in association with the flow rate of the machining fluid delivered to a nozzle. The flow rate of the machining fluid delivered to the nozzle is measured, and the flow rate of the machining fluid to be supplied to the sealing portion is read from the flow rate storage unit and set, based on the measured flow rate.
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5.发明申请公开(公告)号：US20190084064A1
公开(公告)日：2019-03-21
申请号：US16132866
申请日：2018-09-17
申请人： FANUC CORPORATION
发明人： Hirotsugu Kasai , Hiroyuki Abe
摘要： A dielectric working fluid processor for processing dielectric working fluid used in a wire electrical discharge machine includes: a dirty liquid tank for storing dielectric working fluid containing machining swarf; a filter for removing machining swarf from the dielectric working fluid in the dirty liquid tank; a clean liquid tank for storing the dielectric working fluid from which the machining swarf has been removed by the filter; a pump for supplying dielectric working fluid from the dirty liquid tank to the filter; an inverter for controlling electric power to be supplied to the pump; a pump controller for controlling the rotation speed of the pump by varying the frequency of electric power supplied from the inverter to the pump; and a feed pressure obtainer for obtaining the feed pressure of the dielectric working fluid supplied from the pump to the filter, based on the frequency of the electric power.
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公开(公告)号：US09993888B2
公开(公告)日：2018-06-12
申请号：US15058157
申请日：2016-03-02
申请人： FANUC Corporation
发明人： Hirotsugu Kasai , Kaoru Hiraga
摘要： A wire electrical discharge machine recognizes that the finished piece (core) has been separated from the piece of work as a result of electrical discharge machining, allows fluid to be jetted against the finished piece (core) from the lower nozzle so that the finished piece (core) floats upward, recognizes that the finished piece (core) has floated upward by a predetermined amount on the basis of the completion of the process program or the information gained from the sensor, and allows the core removal unit to catch the finished piece (core) for removal and collection after it has been recognized that the finished piece (core) has floated upward by the predetermined amount.
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