WO2012011322A1 - Appareil permettant de couper une pièce cylindrique et procédé de fabrication d'un anneau métallique - Google Patents

Appareil permettant de couper une pièce cylindrique et procédé de fabrication d'un anneau métallique Download PDF

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Publication number
WO2012011322A1
WO2012011322A1 PCT/JP2011/062662 JP2011062662W WO2012011322A1 WO 2012011322 A1 WO2012011322 A1 WO 2012011322A1 JP 2011062662 W JP2011062662 W JP 2011062662W WO 2012011322 A1 WO2012011322 A1 WO 2012011322A1
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WO
WIPO (PCT)
Prior art keywords
workpiece
work
processing head
rotating
laser beam
Prior art date
Application number
PCT/JP2011/062662
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English (en)
Japanese (ja)
Inventor
中島　克幸
章宏 根本
章憲 樋口
Original Assignee
本田技研工業株式会社
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Filing date
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Application filed by 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to JP2011552248A priority Critical patent/JPWO2012011322A1/ja
Publication of WO2012011322A1 publication Critical patent/WO2012011322A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0823—Devices involving rotation of the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles

Definitions

  • the present invention relates to a cylindrical workpiece cutting apparatus for cutting a cylindrical workpiece made of metal, and a method for manufacturing a metal ring for cutting a cylindrical workpiece made of metal to form a metal ring.
  • a metal ring for a CVT belt is manufactured by circumferentially cutting a cylindrical work obtained by joining both end edges of a thin metal plate (see, for example, Patent Document 1).
  • the metal ring is formed by rounding the work with a push-cutting blade.
  • An object of the present invention is to prevent dross from adhering to a cut portion as much as possible when cutting a cylindrical work by irradiation of a laser beam.
  • the cylindrical work cutting apparatus cuts a rotating means for rotating a metal cylindrical work around its cylindrical axis, and cuts the work rotated by the rotating means.
  • the processing head for irradiating the workpiece with laser light, the position of the processing head, and the position of the processing head when the direction of laser light irradiation by the processing head is directed to the rotation axis by the rotating means And parallel control means for parallelly moving in the upstream direction of the rotation direction by the rotation means, and control means for controlling the parallel movement means, wherein the control means performs the parallel movement by the parallel movement means by the rotation means. Controlling the translation means so that the processing head is positioned at a position where the incident angle of the laser beam to the workpiece being rotated is a predetermined angle And features.
  • the position of the processing head is moved in parallel to the upstream side in the rotational direction as described above, and the incident angle of the laser light to the workpiece is set to a predetermined angle, whereby the cutting process is performed by the laser light irradiation.
  • the dross generated in the cutting process can be reduced, and the time for which the dross stays in the cut portion can be shortened. Therefore, the dross can be effectively prevented from adhering to the cut portion.
  • the processing head can be processed from this position according to the present invention.
  • Parallel movement to such a position that the incident angle of the laser light with respect to X is a predetermined angle can be performed with relatively high accuracy.
  • the mechanism for performing such translation is relatively inexpensive.
  • control means controls the speed of rotation of the work by the rotation means, and for each work made of various materials, the inclination angle of the drag line formed on the work, and Data associated with the thickness and rotational speed of the workpiece corresponding to the tilt angle and the position of the processing head corresponding to the predetermined incident angle is stored, and the control of the parallel movement means is based on the data
  • the position of the processing head corresponding to the thickness and rotational speed of the workpiece being rotated is obtained by the rotation means, and the parallel movement means is controlled so that the processing head is positioned at the position.
  • the position of the processing head corresponding to the thickness and rotational speed of the work is obtained, the processing head is moved in parallel to this position, and the work is irradiated by irradiating the laser light.
  • the workpiece can be cut such that a desired drag line inclination occurs depending on the material.
  • the drag line is a layered line formed on the cut surface when the molten metal generated when cutting the work W with the laser light solidifies. The slope of the drag line is related to the amount of dross attached to the cut portion by the laser light.
  • a holding step of holding a metal cylindrical work by supporting the inner surface by a holding member, and rotating the work held by the holding member. And rotating at a predetermined rotational speed around the cylindrical axis of the workpiece, and at a position determined according to the thickness and rotational speed of the workpiece held by the holding member, the upstream side of the rotational direction of the workpiece.
  • the workpiece is cut by irradiating a laser beam from the processing head moved in parallel in the moving step to the moving step in which the processing head is moved in parallel, and the workpiece being rotated in the rotating step. And a cutting step of forming a ring.
  • FIG. 1 It is a partial cross section figure of a cylindrical work cutting device concerning one embodiment of the present invention. It is a figure which shows the positional relationship of the process head and cylindrical work in the apparatus of FIG. It is a figure which shows a mode that the workpiece
  • FIG. 1 is a partial cross-sectional view of a cylindrical workpiece cutting apparatus according to an embodiment of the present invention.
  • this apparatus holds a cylindrical work W and performs processing to irradiate a laser beam to the holding portion 100 which can rotate around its cylindrical axis and the work W rotated by the holding portion 100.
  • a head 200, a spindle 300 connected to the base end side of the holding unit 100, and a motor 400 for rotating the spindle 300 are provided.
  • the cylindrical workpiece cutting apparatus further includes a timing belt 500 for transmitting power between the motor 400 and the spindle 300, and a pipe joint socket 600 for supplying compressed air to the inside of the holding unit 100 via the spindle 300.
  • the motor 400, the spindle 300, the holding unit 100 and the like of the present embodiment constitute a rotating means in the present invention.
  • the workpiece W is formed in a cylindrical shape by joining both ends of a rectangular metal thin plate.
  • the metal belt for CVT is manufactured by cutting this for every predetermined width with a cylindrical work cutting device.
  • the metal thin plate for example, maraging steel having a thickness of about 0.3 to 0.4 mm is used.
  • the holding unit 100 changes the diameters of a substantially cylindrical holding member 110 that supports the workpiece W in contact with the inner surface of the workpiece W, a substantially cylindrical pressing member 120 that presses the inner wall of the holding member 110, and the pressure member 120 Connecting bar for adjusting the positional relationship between the first diameter changing member 130 and the second diameter changing member 140 having the conical surfaces 131 and 141 for causing the movement, and the first diameter changing member 130 and the second diameter changing member 140 And 150 and a coil spring 160.
  • the holding member 110 is formed with a first slit (not shown) along the direction of the cylinder axis from the proximal end side to the vicinity of the distal end. Further, the same second slit is formed from the distal end side to the vicinity of the proximal end. The same number of first slits and second slits are alternately arranged, whereby the holding member 110 is elastically expandable in diameter.
  • the holding member 110 is also provided with a plurality of circumferential grooves 170 in the circumferential direction at predetermined intervals. Each circumferential groove 170 intersects the first slit and the second slit described above.
  • the holding member 110 is connected to the spindle 300 via two annular coupling members 701 and 702 fixed to the tip of the spindle 300.
  • An annular insertion port 702 a is provided at an end of the connection member 702 on the holding member 110 side.
  • a small diameter portion 111 having a diameter smaller than that of the support surface for supporting the work W is formed.
  • the small diameter portion 111 of the holding member 110 is fitted in the insertion port 702 a of the connecting member 702, and is fixed to the connecting member 702.
  • a large diameter portion 112 having a diameter larger than that of the support surface for supporting the workpiece W is formed.
  • the outer circumferential surface of the pressing member 120 faces the inner wall so as to press the inner wall of the holding member 110.
  • a conical surface 121 corresponding to the conical surface 131 of the first diameter change member 130 is provided inside the proximal end side of the pressing member 120.
  • a conical surface 122 corresponding to the conical surface 141 of the second diameter change member 140 is provided inside the tip side of the pressing member 120.
  • the conical surfaces 121 and 122 both face the center toward the center of the pressing member 120.
  • the pressing member 120 is formed with a proximal slit (not shown) along the cylindrical axis direction from the proximal end surface to the vicinity of the tip. Further, the same distal end side slit is formed from the distal end side end face to the vicinity of the proximal end.
  • the proximal slit and the distal slit are alternately arranged in the same number, for example, two each, so that the diameter of the pressing member 120 is elastically expandable.
  • the first diameter change member 130 includes a proximal cylindrical portion and a truncated conical portion located on the distal end side and having a conical surface 131.
  • the diameter of the cylindrical portion and the diameter of the bottom surface of the truncated cone portion are the same, and both portions are connected without any step.
  • the connecting bar 150 penetrates on the central axis of the first diameter change member 130.
  • the proximal end of the connecting bar 150 is fixed to the proximal end of the first diameter change member 130.
  • the second diameter change member 140 has a truncated cone shape and forms a conical surface 141.
  • the connecting bar 150 penetrates on the central axis of the second diameter change member 140.
  • the coil spring 160 is interposed between the top of the frusto-conical portion of the first diameter change member 130 and the top of the second diameter change member 140 having a frusto-conical shape, and both are biased in the direction away from each other.
  • the connection bar 150 passes through the inside of the coil spring 160.
  • the disk member 101 having a diameter corresponding to the inner diameter of the holding member 110 is fixed to the bottom surface of the second diameter change member 140 having a truncated cone shape.
  • a disc-like cover member 102 is fixed to the outside of the disc member 101.
  • the diameter of the cover member 102 is larger than the inner diameter of the holding member 110. Therefore, the cover member 102 is always located on the end face of the holding member 110.
  • a connecting bar 150 passes through the center of the disk member 101 and the cover member 102.
  • the position of the first diameter change member 130 with respect to the cover member 102 can be adjusted by the two nuts 103 and 104 fitted to the connecting bar 150 portion adjacent to the outside of the cover member 102.
  • the spindle 300 is supported by the support member 302 on the base 301.
  • a bearing 303 intervenes between the support member 302 and the spindle 300.
  • the spindle 300 is rotatable around its rotation axis.
  • the spindle 300 is provided with a through hole 311 for supplying air to the holding portion 100 on the central axis.
  • a gap is formed between the cylindrical portion of the first diameter change member 130 and the proximal end of the spindle 300, the first connecting member 701, the second connecting member 702, and the holding member 110.
  • the through hole 311 is connected to this gap.
  • an air supply passage 310 is formed which leads from the through hole 311 of the spindle 300 to the first slit and the second slit of the holding member 110.
  • the rotation shaft of the motor 400 and the spindle 300 are provided with pulleys 401 and 304, respectively.
  • the timing belt 500 is stretched between the pulleys 401 and 304.
  • the spindle 300 rotates in response to the rotation of the motor 400.
  • the fitting socket 600 includes a main body portion 620 to which a not-shown feed pipe is connected via a fitting 610, and a socket portion 630 connected to the main body portion 620.
  • the socket portion 630 is inserted into the end of the through hole 311 opposite to the holding portion 100.
  • the air supply pipe not shown is connected to a compressed air supply that supplies compressed air as a cooling medium.
  • FIG. 2 is a view showing the positional relationship between the processing head 200 and the work W.
  • reference numeral 210 denotes a discharge nozzle for discharging argon gas, nitrogen gas, compressed air and the like
  • reference numeral 220 denotes a suction nozzle which is disposed to face the discharge nozzle 210 and sucks surrounding gas.
  • the processing head 200 moves in a direction perpendicular to the line L1 from the position on the line L1 where the central axis of the processing head 200 is directed to the rotation center O of the workpiece W (holding member 110). It is moved to a position on the line L2 translated in the cutting direction by a predetermined distance D. This movement is performed in a plane perpendicular to the central axis of the holding member 110.
  • the cutting direction is the direction opposite to the rotation direction of the work W indicated by the arrow 230, that is, the upstream side in the rotation direction.
  • the predetermined distance D is set based on conditions such as the thickness of the workpiece W, the rotation speed, and the like so that the dross is less likely to adhere to the cut portion.
  • the parallel movement of the processing head 200 is performed by the parallel movement mechanism 240 and the control means 250.
  • the control means 250 acquires the distance D based on the thickness and the rotational speed of the workpiece W, and controls the parallel movement mechanism 240 to position the processing head 200 at the position of the distance D.
  • the parallel movement mechanism 240 guides the machining head 200 in a first direction parallel to the rotation axis of the workpiece W, and moves the first movement means 241 for moving the first movement means 241 perpendicular to the rotation axis. It is comprised by the 2nd moving means 242 which guides and moves to 2 directions. That is, the movement direction by the first movement means 241 is a direction along the rotation axis of the work W in FIG. 2 and perpendicular to the line L1, and the movement direction by the second movement means 242 is the rotation axis and the line The direction is perpendicular to L1.
  • the acquisition of the distance D is acquired based on a correspondence table configured from trial data obtained in advance by attempting to cut using various works W.
  • the trial data includes the material, thickness, and rotation speed of each workpiece W used in the trial, the inclination of the drag line generated on each workpiece W, the value of the distance D in each trial, and the height of the dross attached to the cut portion Is included.
  • the drag line is a layered line formed on the cut surface when the molten metal generated when cutting the work W with the laser light solidifies.
  • the slope of the drag line is related to the amount of dross attached to the cut portion by the laser light.
  • a correspondence table is configured. As the slope of at least one drag line included in the correspondence table, a value with a small amount of dross adhesion is adopted.
  • the correspondence table may correspond to the incident angle ⁇ of the laser beam corresponding to the distance D with respect to the work W instead of the distance D.
  • the holding member 110 when cutting the work W, first, the holding member 110 is inserted into the work W from the small diameter portion 111 side until the end of the work W contacts the large diameter portion 112. Next, the holding member 110 is connected to the connecting member 702. Thereby, the workpiece W is held by the cylindrical workpiece cutting device.
  • the first diameter change member 130 is displaced in the direction of the cover member 102 by turning the nuts 103 and 104.
  • the coil spring 160 is compressed.
  • the first diameter change member 130 and the second diameter change member 140 are deformed in the direction in which they approach each other, so the pressing member 120 can be formed via the conical surfaces of the first diameter change member 130 and the second diameter change member 140.
  • the diameter is expanded by receiving a force in the direction in which the diameter is expanded.
  • the inner wall of the holding member 110 is pressed by the side surface of the pressing member 120, and the diameter of the holding member 110 is enlarged. Thereby, the distortion of the work W is corrected.
  • the nuts 103 and 104 are turned in the opposite direction, and the first diameter changing member 130 and the second diameter changing member 140 are separated by the repulsive force of the coil spring 160 to slightly return the diameter of the pressing member 120 or It may be returned to the initial diameter.
  • the motor 400 is driven.
  • the workpiece W is rotated via the spindle 300.
  • the rotational speed of the workpiece W is controlled by the control means 250 described above, and is set to a speed along the circumferential direction of, for example, 30 to 200 m / min.
  • discharge of compressed air or the like from the discharge nozzle 210 and suction by the suction nozzle 220 are started. Further, the supply of compressed air as a cooling medium is started from an air supply source not shown.
  • the compressed air supplied from the air supply source is supplied to the first slit and the second slit of the holding member 110 via the socket for coupling 600 and the air supply passage 310, and is further supplied to the circumferential groove 170. Ru.
  • the supplied compressed air is at this clearance. Form an air film.
  • the side wall functions as a chiller excellent in cooling efficiency. Even when the diameter of the pressing member 120 is not returned, compressed air intrudes between the holding member 110 and the work W to form an air film.
  • the control means 250 mentioned above based on the material and thickness of the given work W, the required inclination of the drag line, and the rotational speed of the work W (holding member 110) grasped by itself.
  • the distance D is determined.
  • the parallel movement mechanism 240 is controlled to parallelly move the processing head 200 so that the position of the processing head 200 is on the line L2 separated by the distance D from the position on the line L1, as shown in FIG. .
  • the positions of the discharge nozzle 210 and the suction nozzle 220 are also adjusted.
  • the position of the processing head 200 in the axial direction of the workpiece W is set to a position where the laser beam is irradiated to the portion of the workpiece W located on the circumferential groove 170 on the most tip side of the holding member 110.
  • a laser beam is irradiated from the processing head 200 to the work W.
  • the temperature of the portion of the workpiece W irradiated with the laser beam rises and melts.
  • a layered line ie, the above-mentioned drag line, is formed on the work W along the laser beam.
  • a portion of the workpiece W is sublimated by the irradiation of the laser light, and a sublimated metal gas generated is aggregated and adheres to the cut portion or a molten metal adheres to the cut portion to cause dross Adhesion may occur.
  • the adhesion of the dross is caused by the air film formed between the holding member 110 and the work W, discharge of compressed air from the discharge nozzle 210, suction of the air film by the suction nozzle 220, suction of the compressed air, etc. Be suppressed.
  • FIGS. 3 and 4A show how the workpiece W is cut in this manner, as compared with the conventional case.
  • FIG. 3 shows the conventional case where the machining head 200 is located on the line L1 in FIG. 2
  • FIG. 4 (a) shows the case of the present embodiment where the machining head 200 is located on the line L2.
  • the laser beam 801 is perpendicularly incident on the workpiece W at an incident angle of 0 °.
  • the laser beam 801 acts to cut the workpiece W, and the portion where processing is in progress is inclined with respect to the surface of the workpiece W. For this reason, the length of the processing progress portion is relatively long, and accordingly, a relatively large amount of molten metal is generated, and the time for which the generated molten metal is retained in the cut portion 803 is also relatively long. Therefore, the molten metal becomes dross 802 and easily adheres to the cut portion 803 of the workpiece W. In addition, since the drag line is formed along the portion to be processed, in this case, the drag line forms an obtuse angle counterclockwise with respect to the cutting direction C.
  • the processing head 200 is located on the line L2 separated by a distance D from the line L1 in FIG. 2, and the laser light 801 is emitted along the line L2. Therefore, as shown in FIG. 4A, the laser beam 801 is incident on the work W at an incident angle ⁇ corresponding to the distance D. Note that N in the figure is a normal to the surface of the workpiece W.
  • the laser beam 801 acts, and the processing progressing part which is cutting the work W becomes substantially perpendicular to the work W. Therefore, compared with the conventional case of FIG. 3, the length of the processing progress portion is short. That is, the molten metal produced by processing is minimized, and the time for which the molten metal stays in the cut portion 803 is also minimized.
  • the molten metal is discharged as it is without giving a margin for attaching to the cut portion 803 as the dross 802. That is, the air film formed between the holding member 110 and the work W described above, discharge of compressed air and the like from the discharge nozzle 210, and suction of the air film and suction of compressed air and the like by the suction nozzle 220 make smooth. Will be discharged into
  • FIG. 4 (b) shows the cut surface 805 of the workpiece W when cut in this manner.
  • the broken line 804 in the drawing is a line along the drag line formed on the work W.
  • the angle of the drag line formed on the cut work W is substantially perpendicular to the surface of the work W as indicated by a broken line 804. Then, no dross adheres to the lower part of the cut surface 805.
  • FIG. 5 shows a comparative example to the present embodiment.
  • the same figure (a) shows a mode that the workpiece
  • the laser beam 801 acts, and the processing progress portion cutting the workpiece W is considerably inclined to the workpiece W.
  • a process progress part is long. That is, the amount of molten metal produced by processing increases, and the retention time in the cut portion 803 also increases. As a result, the molten metal becomes dross 802 and easily adheres to the cut portion 803.
  • FIG. 5 (b) shows the cut surface 806 of the workpiece W when it is cut in this manner.
  • a considerable amount of dross 802 adheres to the lower part of the cut surface 806.
  • the drag line forms an obtuse angle with the cutting direction C in a counterclockwise direction larger than in the case of FIG.
  • the processing head 200 When cutting of the first metal ring is completed, the processing head 200 is moved along the axial direction of the workpiece W so as to be positioned at a position corresponding to the next cutting position on the workpiece W. That is, the workpiece W located on the second circumferential groove 170 from the tip end side of the holding member 110 is moved to a position where the laser beam is irradiated. With the movement of the processing head 200, the positions of the discharge nozzle 210 and the suction nozzle 220 are also adjusted.
  • the laser beam is irradiated again in the same manner as described above, the work W is cut, and a second metal ring is formed.
  • the processing head 200 is sequentially positioned on the circumferential groove 170, and a metal ring is formed.
  • the position of the processing head 200 in the plane perpendicular to the axis of the workpiece W is always maintained at the position shown in FIG.
  • the position of the processing head 200 is moved in parallel to the upstream side in the rotational direction as described above so that the incident angle of the laser light to the work W becomes the predetermined angle ⁇ .
  • the length of the portion where the cutting process is in progress can be shortened by the irradiation of the laser beam 801.
  • the dross 802 generated by the cutting process can be reduced, and the time for which the dross stays in the cut portion can be shortened. Therefore, the dross 802 can be effectively prevented from adhering to the cut portion.
  • a method of rotating the processing head 200 and performing a swing operation may be considered.
  • the orientation and position of the processing head 200 are aligned with high accuracy to the position on the line L1 in FIG. 2 in which the irradiation direction of the laser light is the direction toward the rotation axis of the holding member 110.
  • the parallel movement of the processing head from this position to a position on the line L2 such that the incident angle ⁇ of the laser beam to the work W is a predetermined angle uses a mechanism with relatively high accuracy and inexpensiveness. Can be done.
  • the position of the processing head 200 corresponding to the thickness and rotational speed of the workpiece W is acquired, and the processing head 200 is moved in parallel to this position to irradiate the laser beam.
  • the workpiece W can be cut so as to produce a desired drag line inclination.
  • a metal ring without dross adhesion at the cut portion is manufactured, which is suitable for applications such as CVT belts Can be used as

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

La présente invention a pour objet de minimiser l'adhérence de crasses sur une partie découpée au moment de la découpe d'une pièce cylindrique par irradiation au faisceau laser. Au moment de la découpe d'une pièce cylindrique tournante (W) par un faisceau laser, une tête d'usinage (200) est déplacée de manière parallèle depuis une position sur une ligne (L1), sur laquelle le faisceau laser se déplace vers l'axe de rotation de la pièce, jusqu'à une position sur une ligne (L2) en amont dans la direction de rotation de la pièce.
PCT/JP2011/062662 2010-07-22 2011-06-02 Appareil permettant de couper une pièce cylindrique et procédé de fabrication d'un anneau métallique WO2012011322A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011552248A JPWO2012011322A1 (ja) 2010-07-22 2011-06-02 円筒状ワーク切断装置及び金属リング製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-165168 2010-07-22
JP2010165168 2010-07-22

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WO2012011322A1 true WO2012011322A1 (fr) 2012-01-26

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PCT/JP2011/062662 WO2012011322A1 (fr) 2010-07-22 2011-06-02 Appareil permettant de couper une pièce cylindrique et procédé de fabrication d'un anneau métallique

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014024094A (ja) * 2012-07-27 2014-02-06 Honda Motor Co Ltd 円筒状ワーク切断装置及びその清掃方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04157083A (ja) * 1990-10-16 1992-05-29 Mitsubishi Electric Corp レーザ加工方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57177896A (en) * 1981-04-27 1982-11-01 Toshiba Corp Cutter for tubular body by laser beam
JPH035381Y2 (fr) * 1984-11-14 1991-02-12
CN1265924C (zh) * 2000-10-05 2006-07-26 本田技研工业株式会社 金属薄板罐体的切断装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04157083A (ja) * 1990-10-16 1992-05-29 Mitsubishi Electric Corp レーザ加工方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014024094A (ja) * 2012-07-27 2014-02-06 Honda Motor Co Ltd 円筒状ワーク切断装置及びその清掃方法

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