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1. 发明公开

EP0229188A1 WIRE CUT ELECTRIC SPARK MACHINE 失效
标题翻译：丝电火花线切割机。
公开(公告)号：EP0229188A1
公开(公告)日：1987-07-22
申请号：EP86904366.1
申请日：1986-07-04
申请人： FANUC LTD.
发明人： OBARA, Haruki , ASO, Toshiyuki , KINOSHITA, Hiroshi
IPC分类号： B23H7/10
CPC分类号： B23H7/10
摘要： A wire cut electric spark machine, in which a wire electrode (14) is sent from its supply unit (12) to a region for discharge machining of a workpiece (W), tensed between upper and lower heads (22, 26) and transferred to machine the workpiece (W) by discharge on a work table (24). When the breakage of the wire electrode is detected by a suitable detector during the discharge machining of the workpiece (W), the wire electrode is taken back and held in a position near the upper head (22) by a wire electrode feed means (40), and the broken end of the wire electrode (14) is detected by a wire end detector (66) outside the discharge machining region. The detected broken end of the wire electrode is repaired by using a cutter (60) and a blade receiving base (64) in a wire electrode repairing position which is provided apart from the discharge machining region, to remove the broken end. The repaired wire electrode (14) is set again between the upper and lower heads (22, 26) by using a jet nozzle (74) to resume the discharge machining of the workpiece.

2. 发明授权

EP0233297B1 DEVICE FOR AUTOMATIC CONNECTION OF WIRE ELECTRODE IN WIRE CUT ELECTRIC SPARK MACHINE 失效
标题翻译：电线切割电火花机自动连接电线的装置
公开(公告)号：EP0233297B1
公开(公告)日：1991-11-27
申请号：EP86904949.4
申请日：1986-08-21
申请人： FANUC LTD.
发明人： OBARA, Haruki , ASO, Toshiyuki , KINOSHITA, Hiroshi , ISHIBASHI, Tamotsu
IPC分类号： B23H7/02 , B23H7/10
CPC分类号： B23H7/102
摘要： A device for automatic connection of the wire electrode in a wire cut spark machine, which is capable of conducting automatic connection of the wire electrode smoothly and reliably. A wire processing unit (90) integrally and rotatably coupled to a rotary shaft (61) of a pneumatic pressure motor (60) has a nozzle-forming unit (120) which, when it is opened, forms a slit (S) that permits a wire electrode (W) to pass through and which, when it is closed, forms a nozzle hole (125) that can fit to an upper wire guide (12). The wire processing unit (90) is selectively located by means of a stopper (150) at either a wire inserting position or a wire retreat position. In case the wire electrode is broken, the wire processing unit is driven by a motor from the retreat position to the wire inserting position. Then, the nozzle-forming unit is closed, so that the wire electrode introduced through the slit when the wire processing unit is driven is held in the nozzle hole. Thereafter, as a working liquid is supplied from the upper wire guide to the nozzle hole, the wire electrode is fed and automatically connected, being confined by the working liquid injected onto the work (P).

3. 发明授权

EP0227843B1 ELECTRIC DISCHARGE MACHINING APPARATUS OF WIRE-CUTTING TYPE 失效
标题翻译：电动切割机电动放料加工设备
公开(公告)号：EP0227843B1
公开(公告)日：1991-09-25
申请号：EP86904388.5
申请日：1986-07-18
申请人： FANUC LTD.
发明人： OBARA, Haruki , ASO, Toshiyuki , KINOSHITA, Hiroshi , ISHIBASHI, Tamotsu
IPC分类号： B23H7/10
CPC分类号： B23H7/10
摘要： An electric discharge machining apparatus of the wire-cutting type is equipped with a wire cutting unit between an upper wire guide member and a work table, the wire cutting unit being allowed to move in a horizontal direction to traverse a wire electrode (W) which downwardly extends with respect to the upper wire guide member from a wire passage of the upper wire guide member. The wire cutting unit comprises a base block (55), and a movable block (56) which can approach or separate away from the base block to define a slit (60) that can be opened or closed relative thereto and to define a nozzle hole (61). The slit extends in a horizontal direction in which the wire cutting unit moves to accept the wire electrode. The nozzle hole can be connected to the lower end of wire passage of the upper wire guide member, and is so formed as to inject a liquid toward the wire passage of the lower wire guide member, the liquid being supplied into the wire passage of the upper wire guide member. The wire cutting unit has a wire detector (66) for detecting an end of the wire electrode between the base block and movable block, and has wire cutting means (62) for cutting the wire electrode between the base block and the movable block.

4. 发明公开

EP0227843A1 ELECTRIC DISCHARGE MACHINING APPARATUS OF WIRE-CUTTING TYPE 失效
标题翻译：丝电火花线切割加工装置。
公开(公告)号：EP0227843A1
公开(公告)日：1987-07-08
申请号：EP86904388.5
申请日：1986-07-18
申请人： FANUC LTD
发明人： OBARA, Haruki , ASO, Toshiyuki , KINOSHITA, Hiroshi , ISHIBASHI, Tamotsu
IPC分类号： B23H7/10
CPC分类号： B23H7/10
摘要： An electric discharge machining apparatus of the wire-cutting type is equipped with a wire cutting unit between an upper wire guide member and a work table, the wire cutting unit being allowed to move in a horizontal direction to traverse a wire electrode (W) which downwardly extends with respect to the upper wire guide member from a wire passage of the upper wire guide member. The wire cutting unit comprises a base block (55), and a movable block (56) which can approach or separate away from the base block to define a slit (60) that can be opened or closed relative thereto and to define a nozzle hole (61). The slit extends in a horizontal direction in which the wire cutting unit moves to accept the wire electrode. The nozzle hole can be connected to the lower end of wire passage of the upper wire guide member, and is so formed as to inject a liquid toward the wire passage of the lower wire guide member, the liquid being supplied into the wire passage of the upper wire guide member. The wire cutting unit has a wire detector (66) for detecting an end of the wire electrode between the base block and movable block, and has wire cutting means (62) for cutting the wire electrode between the base block and the movable block.

5. 发明授权

EP0193610B1 WIRE CUTTING DISCHARGE PROCESSING MACHINE 失效
标题翻译：电线切割放料加工机
公开(公告)号：EP0193610B1
公开(公告)日：1991-10-23
申请号：EP85904144.4
申请日：1985-08-16
申请人： FANUC LTD.
发明人： ASO, Toshiyuki , KINOSHITA, Hiroshi
IPC分类号： B23H7/02
CPC分类号： B23H7/101
摘要： A wire cutting discharge processing machine, in which a workpiece (W) is discharge-processed by an electrode wire (18) moving between upper and lower wire guides having a cooling liquid supply passage (62). This machine is provided with a throttle valve (68), which is set in a flow passage (66) branching from a main electrode wire-cooling flow passage (64) communicated with the cooling liquid supply passage (62), and which is adapted to regulate the cross-sectional area of the flow passage in accordance with the pressure of the cooling liquid flowing from the cooling liquid supply passage (62) thereinto. The cooling liquid passed through the throttle valve (68) is distributed around an electrode pin (42) in the wire guides to cool the same.

6. 发明公开

EP0233297A1 DEVICE FOR AUTOMATIC CONNECTION OF WIRE ELECTRODE IN WIRE CUT ELECTRIC SPARK MACHINE 失效
标题翻译：安排自动连接已IN线切割电火花器件的引线。
公开(公告)号：EP0233297A1
公开(公告)日：1987-08-26
申请号：EP86904949.4
申请日：1986-08-21
申请人： FANUC LTD.
发明人： OBARA, Haruki , ASO, Toshiyuki , KINOSHITA, Hiroshi , ISHIBASHI, Tamotsu
IPC分类号： B23H7/02 , B23H7/10
CPC分类号： B23H7/102
摘要： A device for automatic connection of the wire electrode in a wire cut spark machine, which is capable of conducting automatic connection of the wire electrode smoothly and reliably. A wire processing unit (90) integrally and rotatably coupled to a rotary shaft (61) of a pneumatic pressure motor (60) has a nozzle-forming unit (120) which, when it is opened, forms a slit (S) that permits a wire electrode (W) to pass through and which, when it is closed, forms a nozzle hole (125) that can fit to an upper wire guide (12). The wire processing unit (90) is selectively located by means of a stopper (150) at either a wire inserting position or a wire retreat position. In case the wire electrode is broken, the wire processing unit is driven by a motor from the retreat position to the wire inserting position. Then, the nozzle-forming unit is closed, so that the wire electrode introduced through the slit when the wire processing unit is driven is held in the nozzle hole. Thereafter, as a working liquid is supplied from the upper wire guide to the nozzle hole, the wire electrode is fed and automatically connected, being confined by the working liquid injected onto the work (P).

7. 发明公开

EP0460221A1 WIRE PIECE RECOVERY APPARATUS 失效
标题翻译： VORRICHTUNG ZUR WIEDERGEWINNUNG VON DRAHTABSCHNITTEN。
公开(公告)号：EP0460221A1
公开(公告)日：1991-12-11
申请号：EP91900333.5
申请日：1990-12-18
申请人： FANUC LTD.
发明人： ASO, Toshiyuki Room 7-208 Fanuc Manshionharimomi , KINOSHITA, Hiroshi , HIRAI, Toshio Fanuc Dai-3 Virakaramatsu
IPC分类号： B23H7/10
CPC分类号： B23H7/10
摘要： A wire piece recovery apparatus in a wire cut electric discharge machine, wherein waste wire pieces formed when a wire is cut off prior to an automatic wire connection are recovered without fail so as not to disturb the wire connection and the electric discharge machining. After the wire is cut off with a cutter (110) provided on an arm assembly of a wire connecting unit (80), the arm assembly is returned to a retracted position in a state where waste wire pieces formed by the cut-off are held between a spring member provided on a movable nozzle extension and a stationary nozzle extension. A suction nozzle (101) fixed to the main body (81) of the wire connecting unit is supplied with pressurized air to produce negative pressure in the suction nozzle and the vicinity of the bottom thereof. When the wire pieces are released, the wire pieces sucked into the nozzle are received in a receiver (102) installed on the main body of the wire connecting unit.
摘要翻译：线切割放电机中的线材回收装置，其中在自动接线之前切断线材时形成的废线片不经故障地回收，以免干扰线连接和放电加工。在用设置在电线连接单元（80）的臂组件上的切割器（110）切断电线之后，在由截止部形成的废线片保持的状态下，臂组件返回到缩回位置在设置在可移动喷嘴延伸部上的弹簧构件与固定的喷嘴延伸部之间。固定在电线连接单元的主体（81）上的吸嘴（101）被供给加压空气，以在吸嘴和底部附近产生负压。当电线片被释放时，吸入喷嘴的线材被容纳在安装在电线连接单元的主体上的接收器（102）中。

8. 发明公开

EP0193610A1 WIRE CUTTING DISCHARGE PROCESSING MACHINE 失效
标题翻译：丝电火花线切割加工。
公开(公告)号：EP0193610A1
公开(公告)日：1986-09-10
申请号：EP85904144.4
申请日：1985-08-16
申请人： FANUC LTD.
发明人： ASO, Toshiyuki , KINOSHITA, Hiroshi
IPC分类号： B23H7/02
CPC分类号： B23H7/101
摘要： A wire cutting discharge processing machine, in which a workpiece (W) is discharge-processed by an electrode wire (18) moving between upper and lower wire guides having a cooling liquid supply passage (62). This machine is provided with a throttle valve (68), which is set in a flow passage (66) branching from a main electrode wire-cooling flow passage (64) communicated with the cooling liquid supply passage (62), and which is adapted to regulate the cross-sectional area of the flow passage in accordance with the pressure of the cooling liquid flowing from the cooling liquid supply passage (62) thereinto. The cooling liquid passed through the throttle valve (68) is distributed around an electrode pin (42) in the wire guides to cool the same.

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