Patents Assigned to Amada Company, Limited
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Patent number: 8210080Abstract: A workpiece cutting method utilizing a band-saw machine, includes the following steps of: guiding tooth tips of an endless band-saw blade provided on the band-saw machine in a direction of a workpiece by a band-saw blade guiding apparatus; and applying vibrations to the band-saw blade in a cutting direction to the workpiece so as to perform cutting of the workpiece by a vibration applying unit provided on the band-saw blade guiding apparatus.Type: GrantFiled: March 26, 2010Date of Patent: July 3, 2012Assignees: Amada Company, Limited, Amada Cutting Co., Ltd.Inventors: Toru Tokiwa, Isomi Washio, Shoji Aihara, Minoru Gotoh
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Publication number: 20120109352Abstract: A nesting data generation device generates nesting data for cutting off a part from a work supported by plural support projections. The nesting data generation device includes a nesting data generating unit that generates the nesting data by arranging a geometry of the part on the work. The nesting data generating unit performs, upon arranging the geometry of the part on the work, an avoidance process for avoiding an impediment due to the support projections. According to the nesting data generation device, the part can be prevented from welding on the support projections and the support projections can be prevented from welding upon arranging the geometry on the work by considering positions of the support projections, so that a drop-off and an inclination of the cut part can be prevented.Type: ApplicationFiled: July 2, 2010Publication date: May 3, 2012Applicant: AMADA COMPANY, LIMITEDInventors: Tatsunori Himeno, Kazuhisa Nogi
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Publication number: 20120085140Abstract: A burr removing method includes: pressing, by using a work pressing device (7), the upper surface of a work (W) around a work edge (WE), along which a burr occurs, so as to be relatively freely movable, the work (W) held on a work table in a plate material processing machine so as to be freely movable in X- and Y-axis directions; when the work (W) relatively moves with respect to the work pressing device (7) in the X- and Y-axis directions, vibrating a striker (35) vertically, the striker (35) provided at a position below the work pressing device (7) so as to be freely vertically movable; and, when the striker (35) moves upward, crushing the burr.Type: ApplicationFiled: May 25, 2010Publication date: April 12, 2012Applicant: AMADA COMPANY, LIMITEDInventor: Shigeru Endo
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Publication number: 20120055313Abstract: A band saw blade includes left and right set teeth which are set in right and left directions with respect to a running direction of the band saw blade, and a straight tooth which is not set. A ridge line at a tip of each of the set teeth and the straight tooth is formed into a convex curved line protruding most at a central portion in a thickness direction of the saw tooth. The ridge lines at the tips of the left and right set teeth and of the straight tooth are continuous with one another when viewed from the running direction of the band saw blade. A height difference between the ridge lines of the saw teeth is in a range of 0.02 mm to 0.1 mm. Meanwhile, a height difference between an inner corner portion of each of the left and right set teeth and the central portion in the thickness direction of the ridge line of the straight tooth is in a range of 0 mm to 0.03 mm.Type: ApplicationFiled: May 10, 2010Publication date: March 8, 2012Applicants: AMADA MACHINE TOOLS CO., LTD, AMADA COMPANY, LIMITEDInventor: Yuji Nagano
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Publication number: 20120031245Abstract: A punch tool device vertically movably mounted in a punch mounting hole (5) formed in a punch holder (3) of a punch press includes: a punch body (41) vertically movably provided inside a tubular punch guide (17) vertically movably mounted in a punch mounting hole (5), the punch body (41) including a punch edge section (101) in its lower end portion; an elastic member (35) provided between the punch guide (17) and a punch head (33) provided on an upper end portion of a punch driver (31) provided above the punch body(41); a supported section (19) supported by a lifter spring (7) provided to the punch holder (3) and provided on an outer peripheral surface of the punch guide (7); and a lubricating oil path (93U) provided in the outer peripheral surface of the punch guide (17) in such a way as to communicate with a lubricating oil supply path (83) formed in the punch body (41), the lubricating oil path (93U) provided in a way capable of coming into and out of communication with a lifter spring containing hole (9)Type: ApplicationFiled: April 12, 2010Publication date: February 9, 2012Applicant: AMADA COMPANY, LIMITEDInventor: Hiroshi Nakai
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Publication number: 20120017734Abstract: A scrap floating prevention mechanism comprises: a die holder formed with a first communication pipe which sends compressed fluid; a mounting table formed with a second communication pipe which comes into communication with the first communication pipe and which sends compressed fluid to the first communication pipe, the die holder being placed on and fixed to the mounting table; and a fluid injecting member which is formed with a plurality of inclined injecting pipes for injecting compressed fluid from the first communication pipe and which is provided below the die.Type: ApplicationFiled: September 30, 2011Publication date: January 26, 2012Applicant: AMADA COMPANY, LIMITED.Inventor: Fumio KATO
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Patent number: 8051756Abstract: Concave/convex portions are consecutively formed on a back of a band saw blade. The concave/convex portions include concave portions engageable with and disengageable from a backup guide of a band saw guide unit, and convex portions adjacent to the concave portions. A length of each of the concave/convex portions is configured to be equal to or smaller than four times a maximum pitch of a tooth top of each tooth.Type: GrantFiled: August 18, 2005Date of Patent: November 8, 2011Assignee: Amada Company, LimitedInventors: Toshiyuki Hashimoto, Yuji Nagano, Susumu Tsujimoto
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Patent number: 8037793Abstract: A stripper plate mounting apparatus is for mounting a stripper plate (21) in a detachable and replaceable manner on a front end portion of a punch guide (5) into which a punch (17) is fitted movably upward and downward. The apparatus includes: an adaptor (35), for holding the stripper plate (21), detachably provided in a front end portion of the punch guide (5); and lock mechanisms (43), capable of fixing the adaptor (35) to the punch guide (5), provided in multiple locations on the outer periphery of the front end portion thereof. The lock mechanisms (43) each include: a lock piece (53) which is always biased outward in a radial direction by biasing means, and which is engageable with, and detachable from, the lock part (41); and a lock-holding piece (63) for locking and holding the lock piece (53) to an inward position when the lock piece (53) is pressed and moved inward in the radial direction.Type: GrantFiled: February 19, 2007Date of Patent: October 18, 2011Assignee: Amada Company, LimitedInventor: Hiroshi Nakai
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Publication number: 20110203439Abstract: A punch tool is provided. The punch tool may include a punch guide, a punch body movably provided in a vertical direction in the punch guide, a body cap surrounding an upper end of the punch body, wherein the upper end of the punch body is screw-fitted to a screw-fitting part inside of the body cap, and a punch chip detachably provided in the punch body, wherein the punch body is elongated in a radial direction thereof and the punch chip is elongated in the radial direction of the punch body. The punch tool may also include one positioning locking part provided so as to position the punch chip with respect to the punch body, wherein the positioning locking part is located at a position away from a center position of the punch chip.Type: ApplicationFiled: May 3, 2011Publication date: August 25, 2011Applicant: AMADA COMPANY, LIMITEDInventors: Yukio TAKAHASHI, Satoshi SHIMIZU, Hiroshi NAKAI
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Publication number: 20110197730Abstract: A method of cutting off a workpiece using a band saw blade. Chatter oscillation of the band saw blade is detected, the detected chatter oscillation is input to a pulse generator, and pulses based on the inputted chatter oscillation with a frequency not less than a characteristic frequency of a band saw blade supporting system are input from the pulse generator to the motor for imparting to one of the driving wheel and the driven wheel a forced longitudinal oscillation so that a phase of an oscillation the driving wheel along a rotational direction for the driving wheel is substantially inverted with respect to a phase of an oscillation of the driven wheel along a rotational direction of the driven wheel.Type: ApplicationFiled: April 29, 2011Publication date: August 18, 2011Applicant: AMADA COMPANY, LIMITEDInventor: Toru TOKIWA
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Patent number: 7997175Abstract: A band saw machine includes a driving wheel and a driven wheel around which an endless band saw blade is wound. At least one of the driving wheel and the driven wheel is directly connected to an output shaft of a control motor. The output shaft of the control motor is arranged in a cylindrical bearing unit installed on a motor base supporting the control motor. The driving wheel is rotatably supported by the bearing unit.Type: GrantFiled: March 13, 2009Date of Patent: August 16, 2011Assignee: Amada Company, LimitedInventors: Toru Tokiwa, Kinshiro Naito
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Publication number: 20110154970Abstract: Provided is a saw blade including saw teeth, each of the saw teeth satisfying 17°???40°, 35°???58°, 15°<?, where ? is a rake angle, ? is a tooth angle, and ? is a clearance angle; a sum of the rake angle ?, the tooth angle ?, and the clearance angle ? being 90?; a radius r of an arc-shaped chip curler portion 7 in contact with a rake surface 5 of each of the saw teeth being in a range within 10%±4% of any of a saw tooth pitch and an average saw tooth pitch of the saw blade; a fan angle ? of the chip curler portion 7 being in a range within 85°±20°; and a dimension h from an intersection portion 11 of the chip curler portion 7 and a gullet forming surface 3 extending from a tooth bottom side of each of the saw teeth, to a tooth point of each of the saw teeth being in a range within (2r×1.1)±0.2(2r×1.1).Type: ApplicationFiled: August 7, 2009Publication date: June 30, 2011Applicants: AMADA COMPANY, LIMITED, AMADA MACHINE TOOLS COMPANY, LIMITEDInventors: Katsuhiko Oshibe, Susumu Tsujimoto
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Patent number: 7966918Abstract: A workpiece cutting method utilizing a band-saw machine, includes the following steps of: guiding tooth tips of an endless band-saw blade provided on the band-saw machine in a direction of a workpiece by a band-saw blade guiding apparatus; and applying vibrations to the band-saw blade in a cutting direction to the workpiece so as to perform cutting of the workpiece by a vibration applying unit provided on the band-saw blade guiding apparatus.Type: GrantFiled: March 26, 2010Date of Patent: June 28, 2011Assignees: Amada Company, Limited, Amada Cutting Co., Ltd.Inventors: Toru Tokiwa, Isomi Washio, Shoji Aihara, Minoru Gotoh
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Patent number: 7958807Abstract: An upper tool device includes: a punch body having a punch blade at a lower end of the punch body; a punch guide into which the punch body is fitted so as to be movable in vertical direction; an adjustment screw member provided above the punch guide, the adjustment screw member screwed with a screw formed on the punch body; a stripper unit including an urging unit urging the punch body in an upward direction; and a retainer collar including a stopper piece having a tip end disengageably engaged with a stopper formed on the punch body. In the device, the stripper unit is detachably provided in the upper tool device, and the retainer collar is provided between the punch guide and the stripper unit in a manner such that the retainer collar can be relatively rotated against the stripper unit.Type: GrantFiled: April 1, 2008Date of Patent: June 14, 2011Assignees: Amada Company Limited, Amada Tool Technica Co., Ltd.Inventor: Shigeru Endo
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Patent number: 7962371Abstract: A merchandise presentation method includes: a step of preparing a standard value relating to work data, which specifies work performed by a user; a step of obtaining actual work data, which specifies the work actually performed by each user with respect to the work; a step of comparing the actual work data with the standard value; a step of selecting any one of a plurality of merchandise or a combination thereof, based on the comparison result; a step of calculating increasing profit by using at least one of the selected merchandise; and a step of presenting to the user the content of at least one of the selected merchandise and the increasing profit.Type: GrantFiled: August 31, 2001Date of Patent: June 14, 2011Assignee: Amada Company, LimitedInventors: Yoshiyuki Matsui, Yukio Fukui, Toshiyuki Takahashi
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Publication number: 20110132168Abstract: A band saw blade includes multiple saw teeth having a straight tooth and right and left set teeth, and also includes a gullet portion provided between the saw teeth. A rake surface of each of the saw teeth is provided with a chip curler portion formed into an arc shape at an entire range of approximately 90° to form a chip generated at the time of cutting a work into a small rolled shape before the chip comes into contact with a bottom portion of the gullet portion. A chip non-contact surface to be kept out of contact with the chip is formed to have either a flat surface or a convex surface between the chip curler portion and the bottom portion of the gullet portion, and a dent portion is formed between the chip non-contact surface and the gullet bottom portion, the dent portion recessed from the chip non-contact surface in an opposite direction to a moving direction of the band saw blade in order to increase a radius of a concave curved surface constituting a back side of the gullet bottom portion.Type: ApplicationFiled: August 7, 2009Publication date: June 9, 2011Applicants: AMADA COMPANY, LIMITED, AMADA MACHINE TOOLS COMPANY, LIMITEDInventor: Yuji Nagano
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Publication number: 20110116881Abstract: An adapter (21) for tapping used in a turret punch press, comprises: a ring gear (29) in which a tapping tool (25) is mountable; and a gear holder (31) in which the ring gear is disposed and which is mountable on a turret (9) of the turret pinch press so as to locate the disposed ring gear (29) at a position corresponding to a punch mounting section (33) formed in advance in the turret (9) of the turret punch press.Type: ApplicationFiled: July 7, 2009Publication date: May 19, 2011Applicant: AMADA COMPANY, LIMITEDInventors: Nobuhisa Sonoda, Shingo Arai, Junichi Asami
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Patent number: 7930963Abstract: A workpiece cutting method utilizing a band-saw machine, includes the following steps of: guiding tooth tips of an endless band-saw blade provided on the band-saw machine in a direction of a workpiece by a band-saw blade guiding apparatus; and applying vibrations to the band-saw blade in a cutting direction to the workpiece so as to perform cutting of the workpiece by a vibration applying unit provided on the band-saw blade guiding apparatus.Type: GrantFiled: July 25, 2005Date of Patent: April 26, 2011Assignees: Amada Company, Limited, Amada Cutting Co., Ltd.Inventors: Toru Tokiwa, Isomi Washio, Shoji Aihara, Minoru Gotoh
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Patent number: 7926395Abstract: A band saw machine includes a driving wheel and a driven wheel around which an endless band saw blade is wound. At least one of the driving wheel and the driven wheel is directly connected to an output shaft of a control motor. The output shaft of the control motor is arranged in a cylindrical bearing unit installed on a motor base supporting the control motor. The driving wheel is rotatably supported by the bearing unit.Type: GrantFiled: March 13, 2009Date of Patent: April 19, 2011Assignee: Amada Company, LimitedInventors: Toru Tokiwa, Kinshiro Naito
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Patent number: D641766Type: GrantFiled: September 17, 2008Date of Patent: July 19, 2011Assignees: Amada Company Limited, Amada Cutting Co., Ltd.Inventor: Toshiyuki Hashimoto