WO2010092754A1 - カッティングプロッタおよびそのカット方法 - Google Patents
カッティングプロッタおよびそのカット方法 Download PDFInfo
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- WO2010092754A1 WO2010092754A1 PCT/JP2010/000412 JP2010000412W WO2010092754A1 WO 2010092754 A1 WO2010092754 A1 WO 2010092754A1 JP 2010000412 W JP2010000412 W JP 2010000412W WO 2010092754 A1 WO2010092754 A1 WO 2010092754A1
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- Prior art keywords
- cutting
- control
- medium
- carriage
- biting
- Prior art date
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- 238000005520 cutting process Methods 0.000 title claims abstract description 137
- 238000000034 method Methods 0.000 title claims description 20
- 239000000463 material Substances 0.000 description 51
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
- B26F1/3813—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/005—Computer numerical control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/007—Control means comprising cameras, vision or image processing systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/02—Means for moving the cutting member into its operative position for cutting
- B26D5/06—Means for moving the cutting member into its operative position for cutting by electrical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
- B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
- B26D5/34—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier scanning being effected by a photosensitive device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/08—Making a superficial cut in the surface of the work without removal of material, e.g. scoring, incising
- B26D3/085—On sheet material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/02—Means for moving the cutting member into its operative position for cutting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/525—Operation controlled by detector means responsive to work
- Y10T83/538—Positioning of tool controlled
Definitions
- the present invention relates to a cutting plotter that performs a cutting process by relatively moving a processing tool such as a cutter blade against a workpiece medium.
- the cutting plotter includes, for example, control for moving the sheet-like workpiece medium in the front-rear direction, control for moving the processing tool in the left-right direction orthogonal to the front-rear direction, and pressing or separating the cutter blade against the workpiece medium.
- control for moving the sheet-like workpiece medium in the front-rear direction
- control for moving the processing tool in the left-right direction orthogonal to the front-rear direction
- pressing or separating the cutter blade against the workpiece medium There is a type that performs a cutting process by combining the control to be performed.
- a cutting unit is attached to a guide member (also referred to as a Y bar) provided extending in the left-right direction so as to be movable in the left-right direction, and the processing tool is attached to the cutting unit. It is configured so that it can be moved up and down.
- FIG. 14 is a perspective view of a guide member 800 in a conventional cutting plotter.
- the guide member 800 includes a guide main body 810 extending in the left-right direction, and a guide rail 820 attached to the front surface of the guide main body 810 and extending left and right.
- the guide main body 810 is formed, for example, by extruding or drawing an aluminum material.
- Grooves 821 and 822 are formed with high precision on the guide rail 820 by machining, and a cutting unit (not shown) is attached to the grooves 821 and 822 so as to be movable in the left-right direction.
- a platen 830 on which the medium to be processed is placed is positioned on the upper surface.
- a cutting plotter made up of a guide member 800 having a wider left and right width than the work medium to be used.
- many cutting processes using a medium to be processed having a relatively narrow left and right width for example, about 50 cm in the left and right width
- a guide member having a left and right width of about 60 cm is used.
- a cutting plotter was configured using 800. Since the guide main body 810 is formed by extrusion or drawing, it is difficult to manufacture it exactly straight. For example, in the case of the guide member 800 having a lateral width of about 60 cm, a distortion of about 0.3 mm occurs. Was.
- the force (cut pressure) that the work tool is pressed against the work medium changes partially due to the distortion of about 0.3 mm.
- the biting depth of the processing tool becomes non-uniform, which may affect the cut quality.
- JP 2003-220594 A Japanese Patent Laid-Open No. 11-129197
- the present invention has been made in view of such a problem, and provides a cutting plotter capable of performing high-quality cutting on a wide workpiece medium while suppressing manufacturing cost, and a cutting method thereof.
- the purpose is to do.
- a cutting plotter includes a medium supporting means (for example, a platen 12a in the embodiment) for supporting a sheet-like processed medium (for example, the sheet material M in the embodiment), and the medium.
- a medium supporting means for example, a platen 12a in the embodiment
- the guide member is provided so as to be moved relative to the processing medium supported by the medium supporting means in the transport direction and to extend in the scanning direction orthogonal to the transport direction.
- the guide rail 15a) in the embodiment a carriage attached to the guide member and movable in the scanning direction along the guide member, and mounted on the carriage and supported by the medium support means
- a processing tool for example, the cutter blade 26 in the embodiment
- a front Control for relatively moving the guide member in the transport direction, control for moving the carriage along the guide member, and control for moving the processing tool in the biting direction.
- Processing control means for example, the control unit 50 in the embodiment for performing cutting processing, and when the control for moving the carriage in the scanning direction along the guide member is performed by the processing control means,
- a control is added to control the moving of the processing tool in the direction of biting into the work medium. If it is too narrow, control is added to control the tool to move away from the workpiece medium. It takes place.
- a solenoid for example, the electromagnet 23 and the permanent magnet 28 in the embodiment
- the processing control means is connected to the solenoid. It is preferable to perform a control for moving the processing tool in the biting direction by controlling the supply current.
- the cutting method according to the present invention is directed to a medium that moves along a guide member that opposes a medium supporting unit that supports a sheet-like processing medium and extends in a scanning direction.
- a cutting plotter that performs cutting while relatively moving a processing tool mounted so as to be movable in a biting direction orthogonal to the processing medium supported by the support means while being bitten into the processing medium.
- a cutting method wherein a first step of moving the processing tool in the biting direction according to an interval between the workpiece medium and the carriage in the biting direction, and the addition moved in the first step. And a second step of moving the tool along the guide member in the scanning direction.
- a control for moving the processing tool in the biting direction according to the interval in the biting direction between the workpiece medium and the carriage is added. Control is performed. From this configuration, for example, even if a guide member with distortion is used as it is, the processing tool can be pressed against the processing medium with a desired cutting pressure (cutting depth). Therefore, it is possible to automatically prevent the cutting depth of the processing tool from being partially changed, and it is possible to perform cutting processing with a uniform cutting depth as a whole.
- the cutting plotter it is not necessary to suppress the influence of distortion by forming the guide member and the guide rail separately and attaching them while adjusting, for example, the guide rail is integrally formed. It is possible to use a guide member. Therefore, it is not necessary to separately prepare an expensive guide rail, and the manufacturing cost can be greatly reduced. Furthermore, since the guide member can be allowed to be distorted to some extent, the guide member having a length of about 1.6 m, for example, is used as it is, and a high-quality cutting process is performed on a processing medium having a lateral width of about 1.5 m. Can be applied.
- the cutting plotter preferably has a configuration in which a solenoid for moving the processing tool in the biting direction is mounted on the carriage.
- a solenoid for moving the processing tool in the biting direction is mounted on the carriage.
- FIG. 2A shows a state in which the support base is moved down
- FIG. 2B shows a state in which the support base is moved down
- FIG. 2A shows a state in which the support base is moved down
- FIG. 2A shows a state in which the support base is moved down
- FIG. It is the graph which showed the relationship between the stroke of a cutter blade, and cutting pressure.
- (A) is a plan view of the cut sheet material
- (b) is a table showing a relationship (control table) between stroke information and current value in each region. It is a flowchart when performing a cut process. It is a front view of the cutting plotter which concerns on Example 2.
- FIG. It is a block diagram of the cutting plotter which concerns on Example 3.
- FIG. It is a perspective view of the guide rail mounted in the conventional cutting plotter.
- FIGS. 1 is a front view of the cutting plotter 1
- FIG. 2 is a perspective view of the vicinity of a cutting unit 20, which will be described later
- FIG. 3 is a sectional view of the III-III portion in FIG. 2
- FIG. 5 shows a control system diagram of the cutting plotter 1 regarding the relationship between the stroke of the table 22 (the vertical position of the support table 22 relative to the carriage 21) and the cutting pressure.
- control for feeding the sheet-like sheet material M to be cut back and forth, control for moving the cutting unit 20 described later to the left and right, and control for moving the cutter blade 26 described later up and down are performed.
- control for moving the cutting unit 20 described later to the left and right, and control for moving the cutter blade 26 described later up and down are performed.
- a configuration in which a desired cut process is performed on the sheet material M is illustrated.
- the cutting plotter 1 is provided on a left side of the support body 11 having left and right support legs 11 a and 11 b, a center body part 12 supported by the support legs 11, and the center body part 12.
- the central body portion 12 is provided with a flat platen 12a that is exposed on the upper surface and extends to the left and right.
- a guide member 15 extending left and right (see FIG. 2).
- a plurality of clamping devices 18 are attached to the lower part of the guide member 15 side by side.
- a pinch roller 18 a is rotatably attached to the front end portion of the clamp device 18.
- a cylindrical feed roller 19 extending left and right is disposed so as to be exposed to the platen 12a.
- the feed roller 19 is rotationally driven by, for example, a front / rear drive motor (not shown) built in the central body portion 12.
- the clamp device 18 can be set to a clamp position where the pinch roller 18 a is pressed against the feed roller 19 and an unclamp position separated from the feed roller 19. With this configuration, the sheet material M is sandwiched between the pinch roller 18a and the feed roller 19, the clamp device 18 is set to the clamp position, and the feed roller 19 is rotated by driving the front and rear drive motor, thereby printing.
- the seat M can be fed forward or backward by a predetermined distance.
- the guide member 15 extends in the left-right direction.
- the left and right width of the guide member 15 is about 1.6 m so that the sheet material M having a left and right width of about 1.5 m can be cut.
- the guide member 15 is integrally formed with a guide rail 15a extending left and right on the front side by, for example, extruding or pulling out an aluminum material.
- guide grooves 15b and 15c are formed on the front side of the guide member 15 so as to extend left and right.
- a carriage 21, which will be described later, is mounted so as to engage with the guide grooves 15b and 15c, and the cutting unit 20 is movable to the left and right along the guide rail 15a (guide grooves 15b and 15c).
- the cutting unit 20 is configured to be moved left and right by, for example, a left and right drive motor (not shown) mounted inside the right body portion 13b.
- the cutting unit 20 mainly includes a carriage 21, a support base 22 mounted so as to be movable up and down with respect to the carriage 21, and a return spring 27 that connects the carriage 21 and the support base 22.
- Configured. 3A shows a state where the support base 22 is moved down
- FIG. 3B shows a state where the support base 22 is moved up.
- a permanent magnet 28 formed in a cylindrical shape with a hollow center is attached to the carriage 21 with its central axis facing up and down.
- An encoder 29 is attached to the right side of the carriage 21 so as to sandwich a slit plate 30 attached to the support base 22 and extending vertically.
- the encoder 29 includes a light emitting unit and a light receiving unit (not shown), and the slit plate 30 is sandwiched between the light emitting unit and the light receiving unit. Therefore, when the support base 22 is moved up and down, the inspection light emitted from the light emitting unit is detected by the light receiving unit while the intensity changes alternately with strength. The vertical position of the support base 22 with respect to the carriage 21 can be detected based on the change in the intensity of the inspection light thus detected.
- a guide rod 24 is erected upward, and this guide rod 24 is inserted into a guide hole 22 a formed in the support base 22.
- a cylindrical electromagnet 23 is attached to the support base 22 at a position facing the hollow portion of the permanent magnet 28 with its central axis facing up and down.
- the electromagnet 23 is configured by winding a coil 23a around an outer periphery of a core member (not shown) made of a magnetic material. With this configuration, a current is supplied to the coil 23 a to temporarily generate a magnetic force, thereby utilizing the force of repulsion or attraction between the electromagnet 23 and the permanent magnet 28 to support the carriage 21 with respect to the carriage 21. Can be moved up and down. Further, by controlling the direction and magnitude of the current supplied to the coil 23a, the direction in which the support base 22 is moved up and down and the force acting on the support base 22 can be controlled.
- a holding hole 22b penetrating vertically is formed in the left portion of the support base 22 so as to penetrate vertically.
- a holding member in which a cutter blade 26 is detachably attached to the lower end portion of the holding hole 22b. 25 is inserted and held.
- the length and attachment position of the return spring 27 are adjusted in advance so that an upward biasing force is applied to the support base 22 when the support base 22 moves downward with respect to the carriage 21.
- FIG. 3A the magnetic force of the electromagnet 23 and the magnetic force of the permanent magnet 28 are repelled and the support base 22 is moved downward, and an upward biasing force by the return spring 27 is applied to the support base 22 moved downward. It shows a balanced state by acting.
- FIG. 3B acts by attracting the magnetic force of the electromagnet 23 and the magnetic force of the permanent magnet 28 by causing a current to flow in the direction opposite to that of FIG. The state which the support stand 22 moved up is shown.
- FIG. 4 in the cutting unit 20 configured as described above, the stroke and the cut pressure (sheet material M) when the current is supplied to the coil 23a in the direction in which the support base 22 is moved downward with respect to the carriage 21. To the force for pressing the cutter blade 26).
- Each of the two lines in FIG. 4 shows a case where a current having a current value A8 is supplied to the coil 23a and a case where a current having a current value A9 (> A8) is supplied.
- A9 a current having a current value
- FIG. 4 by supplying a current having a larger current value, a large magnetic force can be generated in the electromagnet 23 and a large cut pressure can be applied. Therefore, it is possible to control the cut pressure by controlling the value of the current supplied to the coil 23a. Moreover, even if the electric current of the same electric current value is supplied, it becomes the structure from which a cutting pressure changes according to a stroke.
- a control unit 50 is mounted on the left side of the cutting plotter 1.
- the control unit 50 mainly includes a cut shape data reading unit 51, a control table setting unit 52, an operation unit 53, and a drive control unit 54.
- the operation unit 53 is configured in the upper part of the cutting plotter 1.
- the cut shape data reading unit 51 and the control table setting unit 52 include a ROM (not shown) in which data is stored in advance, a RAM (not shown) in which data can be temporarily stored, and the like. It is mounted on a substrate (not shown) built in the left end portion.
- the cut shape data reading unit 51 is a portion that reads shape data for cutting, and the read shape data is output to the control table setting unit 52.
- the operation unit 53 is a part where the operator selects, for example, the material of the sheet material M to be cut and inputs the thickness of the sheet material, and the setting data input to the operation unit 53 is control table setting. Is output to the unit 52.
- the control table setting unit 52 is electrically connected to the encoder 29.
- the control table setting unit 52 receives the vertical position of the support base 22 with respect to the carriage 21 detected by the encoder 29, the shape data from the cut shape data reading unit 51, and the setting data from the operation unit 53.
- the control table setting unit 52 sets a control table related to drive control of the front and rear drive motor, drive control of the left and right drive motor, and current supply control to the coil 23a, as will be described later, based on each of the input data.
- the drive control unit 54 performs drive control of the front and rear drive motor and the left and right drive motor based on the control table set in the control table setting unit 52, and performs current supply control to the coil 23a.
- the clamping device 18 is set at the clamping position, and the portion to be cut (the front end portion of the sheet material M) is placed on the platen 12a. Place. And current supply control is performed with respect to the coil 23a, the cutter blade 26 is pressed against the sheet material M, and it is made to bite.
- the drive control of the front / rear drive motor and the drive control of the left / right drive motor are performed with the cutter blade 26 biting into the sheet material M. By doing so, the sheet material M can be moved relative to the cutter blade 26 to perform a cutting process of a desired shape.
- the left-right width of the guide member 15 (guide rail 15a) to which the cutting unit 20 is attached is about 1.6 m as described above.
- the guide member 15 is formed by extrusion or drawing, and a distortion of about 1 mm is generated at the time of forming by the current manufacturing technique.
- the cutting plotter 1 is configured using the guide member 15 (guide rail 15a) having a distortion of about 1 mm, when the cutting unit 20 is moved left and right along the guide rail 15a, the cutter blade The force (cut pressure) by which 26 is pressed against the sheet material M partially changes, and the biting depth of the cutter blade 26 becomes non-uniform, which may affect the cut quality.
- FIG. 11 shows the distorted guide rail 15a
- FIG. 7 shows the relationship between the stroke information and the current value
- FIG. 8 shows the relationship between the stroke information and the cut pressure
- FIG. 10A shows a plan view of the sheet material
- FIG. 10B shows a control table D.
- the ellipse 70 shown in FIG. 10 is an ellipse that is cut first with respect to the sheet material M, and after the cutting of the ellipse 70 is finished, the ellipse 80 is cut adjacent to the rear of the ellipse 70. Next, the ellipse 90 is cut adjacent to the rear of the ellipse 80.
- step S101 shown in FIG. 11 the operator operates the operation unit 53 to input the type and thickness of the sheet material M, and the setting data input in this way is output to the control table setting unit 52.
- the control table setting unit 52 sets an initial table for performing the cutting process of the ellipse 70 based on the above-described data.
- this initial table drive control of the front and rear drive motors and left and right drive motors, and current supply control to the coil 23a are set.
- the initial table can be obtained on the assumption that the guide member 15 (guide rail 15a) and the platen 12a are positioned in parallel without considering the distortion of the guide member 15 (guide rail 15a), for example. It is set so that it can be cut.
- step S102 the initial table data set in step S101 is output to the drive control unit 54.
- the drive control unit 54 cuts the ellipse 70 by driving the front and rear drive motors and the left and right drive motors according to the initial table and performing current supply control to the coil 23a (see FIG. 10).
- the cutter blade 26 is positioned above the biting position 71, for example, and the support base 22 is moved downward to cause the cutter blade 26 to bite into the biting position 71.
- the sheet material M is moved relative to the cutter blade 26 counterclockwise, and the cutter blade 26 is positioned at the biting position 71.
- the cutter blade 26 is separated from the sheet material M, and the cutting process of the ellipse 70 is completed.
- the cutter blade 26 When cutting the ellipse 70 as described above, while controlling the supply current to the coil 23a so that the biting depth of the cutter blade 26 with respect to the sheet material M is constant, the cutter blade 26 is slowly moved. The sheet material M is moved relative to each other and cut processing is performed. In this way, the vertical position of the support base 22 with respect to the carriage 21 detected by the encoder 29 at a position of, for example, every 5 cm in the left-right direction while being slowly cut is output to the control table setting unit 52 as stroke information.
- FIG. 6 shows the relationship between the left and right positions and the stroke information.
- “0” is set when the distance from the guide rail 15a to the sheet M is the reference interval (when the guide rail 15a is not distorted), and the direction narrowing with respect to the reference interval is expanded in the ⁇ (minus) direction.
- the direction is defined as the + (plus) direction.
- Stroke information is obtained at each position of 2.5 cm, 7.5 cm, 12.5 cm, 17.5 cm,. , 0, ⁇ 2, ⁇ 1, +1,..., Stroke information is obtained.
- step S103 the control table setting unit 52 has, for example, a 5-cm region (region R1, centering on a position of 2.5 cm, region R2 centering on a position of 7.5 cm, region R2 centering on each detection position) A region R3,... Is set around a position of 12.5 cm. Furthermore, when each region is cut, a current value is set for each region so as to obtain a desired biting depth. The current value is set based on the stroke information as shown in FIG. FIG. 8 is a graph showing the relationship between the stroke information and the current value shown in FIG. As can be seen from FIG.
- the current value is set for each region is a portion related to current supply control to the coil 23a in the control table D (see FIG. 10B).
- a control table D is configured by adding motor drive control.
- the magnitude relationship between the current values shown in FIGS. 7 and 8 is A1 ⁇ A2 ⁇ A3 ⁇ A4 ⁇ A5 ⁇ A6 ⁇ A7.
- step S104 the ellipse 80 is cut based on the control table D created in step S103.
- the cutter blade 26 is positioned above the biting position 81 shown in FIG. 10, and the support base 22 is moved downward in this state to bite the cutter blade 26.
- the moving time can be shortened while the cutter blade 26 may be damaged. Therefore, in the cutting plotter 1 to which the present invention is applied, the movement time is shortened while preventing the cutter blade 26 from being damaged while reflecting the distortion (stroke information) of the guide rail 15a detected in step S102. Control is in progress. Control for causing the cutter blade 26 to bite into the sheet material M will be described below with reference to FIG.
- the electromagnet 23 is attracted to the permanent magnet 28 and held in the raised position by controlling the current value B1, for example.
- the cutter blade 26 is positioned above the biting position 81 in the state of the current value B1, and the support base 22 (cutter blade 26) is moved downward by controlling the current value B2. (Time T1 to T2). By doing so, the cutter blade 26 is moved downward at a stroke from the height position (distance from the sheet material M) H4 to the height position H3.
- the current value B3 is controlled so as to move the support base 22 upward, and the lowering speed of the cutter blade 26 is reduced (time T2 to T3).
- the change in the height of the support base 22 has become substantially zero (the change in the height of the support base 22 within a predetermined time has become a predetermined value or less) (height position H2). Then, it is controlled to the current value B4 and moved downward to be positioned at the target height position H1 (time T3 to T4).
- the current value A4 is controlled so as to apply a cutting pressure larger than the current value B4, and the bite is bitten to a desired biting depth (time T4 to T5).
- the vertical vibration of the support base 22 (cutter blade 26) generated by the return spring 27 can be stabilized in a short time.
- the cutter blade 26 is slowly damaged without being damaged in a short time by being slowly positioned at the height position H1. It becomes possible.
- the stroke information at the biting position 81 is “0” has been described.
- the stroke information of the biting position 81 is “ ⁇ 2”, for example (when the cutter blade 26 is positioned at the height position H5 (see FIG. 9) before the biting start), the time T1 to be controlled with the current value B2 T2 is set to be shortened.
- the stroke information of the biting position 81 is “+2”, for example (when the cutter blade 26 is positioned at the height position H6 (see FIG. 9) before the biting start), the time T1 controlled by the current value B2 Set to extend T2.
- the ellipse 80 is cut counterclockwise as shown in FIG.
- the cutting is performed by controlling the current value A4 based on the control table D. By doing so, it is possible to cut from the biting position 81 to the boundary point 82 with a desired biting depth.
- the current value A3 is controlled based on the control table D, and the cutting process is performed. By doing this, even if the guide rail 15a is distorted downward (projected downward), the cutting process is performed while maintaining the biting depth constant regardless of the amount of distortion. Is possible.
- the ellipse 80 is continuously cut while controlling the current value in accordance with each region to be cut.
- the ellipse 80 can be cut while maintaining a desired biting depth regardless of the direction and amount of distortion generated in the guide rail 15a.
- all control information can be obtained by referring to the control table D, so that the cutting process is performed while relatively moving the sheet material M with respect to the cutter blade 26 at a relatively high speed. It is possible to apply.
- the cutter blade 26 is moved up with the cutter blade 26 positioned at the biting position 81.
- the current is controlled to a current value B6 for moving the cutter blade 26 upward, and the cutter blade 26 in the state of biting into the sheet material M is increased from the height position H1 to the height position H7 at once.
- Move time T6 to T7.
- the current value B7 is controlled so as to lower the support base 22, and the upward movement speed of the cutter blade 26 is decelerated (time T7 to T8). ).
- the encoder 29 detects that the change in the height of the support base 22 has become substantially zero (the change in the height of the support base 22 within a predetermined time has become a predetermined value or less) (the height position). H8), it is controlled to the current value B8 and moved upward to be positioned at the target height position H4 (time T8 to T9). Thereafter, the current value B1 is controlled so that an upward force larger than the current value B8 is applied, and the cutter blade 26 is held at the raised position (after time T9). As described above, the cutter blade 26 can be moved to the raised position in a short time by slowly moving up to the vicinity of the target height position H4 and then slowly moving to the height position H4. It becomes.
- the times T6 to T7 are set according to the stroke information of the biting position 81, as in the case of biting the cutter blade 26.
- the stroke information at the biting position 81 is “ ⁇ 2”, for example, the time T6 to T7 controlled by the current value B6 is set to be shortened.
- the stroke information at the biting position 81 is “+2”, for example, the time T6 to T7 controlled by the current value B6 is set to be extended.
- step S105 the sheet material M is fed forward by a predetermined distance, and then the ellipse 90 is cut on the rear side of the ellipse 80. Also at this time, based on the control table D, the region is continuously cut while controlling the current value according to R1 to R6. In this way, by cutting the ellipses 70, 80, 90,... In order from the front end of the sheet material M, the cutting process on the sheet material M is completed, and this flow ends.
- a guide member and a guide rail are separately prepared and attached while adjusting the guide rail with respect to the guide member, thereby preventing a reduction in cut quality due to distortion generated in the guide member.
- the guide member 15 and the guide rail 15a are integrally formed by extrusion or drawing. Therefore, the manufacturing cost can be greatly reduced as compared with the case where it is created in the conventional manner. Further, since the work of attaching the guide rail while adjusting the guide rail can be omitted, the number of work steps can be reduced and the assembling work can be simplified.
- the cutting plotter 1 to which the present invention is applied is configured to control the current value in accordance with the distortion of the guide member 15 (guide rail 15a) based on the stroke information detected by the encoder 29. Therefore, the control is automatically performed so that the desired cutting depth is obtained regardless of the distortion of the guide member 15, so that it is possible to ensure the quality of the cutting process while allowing the distortion of the guide member 15 to some extent. Become.
- the cutting plotter 2 according to the second embodiment will be described with reference to FIG.
- the same members as those in the cutting plotter 1 according to the first embodiment described above are denoted by the same reference numerals and description thereof is omitted, and the description will focus on portions that are different in configuration compared to the cutting plotter 1.
- the cutting plotter 2 is mainly composed of a plotter body 2a, an operation unit 53 including a display, and a host computer 101.
- the host computer 101 includes a cut shape data reading unit 51 and a control table setting unit 52.
- the plotter body 2a has the same configuration as the cutting plotter 1 described above except that it does not include the cut shape data reading unit 51, the control table setting unit 52, and the operation unit 53.
- the drive control unit 54 and the encoder 29 mounted on the plotter main body 2a are electrically connected to the control table setting unit 52 of the host computer 101.
- the sheet material M to be cut is set on the plotter main body 2a.
- the type and thickness of the sheet material M are input via the operation unit 53.
- Setting data regarding the type and thickness of the sheet material M from the operation unit 53 and shape data from the cut shape data reading unit 51 are input to the control table setting unit 52.
- the control table setting unit 52 sets an initial table for cutting the ellipse 70. Based on this initial table, the front end ellipse 70 is cut.
- the vertical position of the support base 22 relative to the carriage 21 detected by the encoder 29 is output to the control table setting unit 52 and stored as stroke information.
- the control table setting unit 52 creates a control table D based on this stroke information.
- the ellipses 80, 90,... Are cut with reference to the control table D as in the first embodiment.
- cut shape data reading unit 51 and the control table setting unit 52 are built in the host computer 101 so that the host computer 101 can be operated while looking at the operation unit 53 formed of a display. It is possible to easily update or add the stored shape data.
- the cutting plotter 3 according to the third embodiment will be described with reference to FIG.
- the same members as those in the cutting plotter 2 according to the above-described second embodiment are denoted by the same reference numerals and description thereof is omitted, and description will be made focusing on portions different in configuration compared to the cutting plotter 2.
- the cutting plotter 3 is mainly composed of an operation unit 53 including a display, a host computer 101, and a plurality of plotter bodies 2a, 3a, 4a, 5a,.
- Each of the plotter main bodies 3a, 4a, 5a,... Has the same configuration as the above-described plotter main body 2a, and the drive control unit 54 and the encoder 29 mounted on each plotter main body include a control table setting unit 52 of the host computer 101. And is electrically connected.
- each of the plurality of plotter bodies 2a, 3a, 4a, 5a,... Can be driven and controlled by one host computer 101. Therefore, the apparatus configuration is particularly effective when a plurality of plotter bodies 2a, 3a, 4a, 5a,.
- the present invention is not limited to this configuration.
- the present invention can be applied not only to an ellipse but also to various shapes and a plurality of cuts in the left-right direction.
- the control configuration for performing the cutting is illustrated based on the stroke information obtained at the time of the first cutting.
- the configuration is not limited to this.
- the current value is controlled so that the desired cut pressure P1 is maintained, and this current value is detected.
- the control table (current value) of the area exceeding the threshold value is corrected.
- the desired bite depth can be obtained with higher accuracy.
- the ellipse can be cut while maintaining the above.
- the sheet material M is controlled with respect to the cutter blade 26 by combining the control of feeding the sheet material M back and forth and the control of moving the cutter blade 26 left and right along the guide rail 15a.
- the structure which moves relative is illustrated, it is not limited to this structure.
- the present invention can be applied to a cutting plotter of a type in which a cutter blade is moved back and forth and left and right with respect to a fixed sheet material.
- the present invention is not limited to this configuration.
- the present invention can be applied to a cutting plotter that uses an end mill that performs cutting on a workpiece medium.
- the cutter blade 26 penetrates the sheet material M by finely moving the cutter blade 26 up and down, for example. It is also possible to form a portion to be made and a portion not to be penetrated. By performing such a cutting process, the ellipses 70, 80, 90,... Can be prevented from being completely separated from the sheet material M, and the sheet material M subjected to the cutting process can be easily conveyed. Become.
- the method has been described in which the regions R1 to R6 are created by stroke information every 5 cm and the current value to be the desired cut P1 is set for each of these regions.
- the present invention is not limited to this configuration.
- a method may be used in which stroke information is acquired continuously instead of every 5 cm, and the current value is continuously controlled according to the movement position of the carriage 21 in the left-right direction during cutting.
- the method for acquiring the stroke information while cutting the ellipse 70 according to the initial table has been described, but the present invention is not limited to this method.
- a method of acquiring stroke information by pressing the cutter blade 26 with a pressure that does not bite into the sheet material M and moving the cutter blade 26 and the sheet material M relative to each other in this state is also possible. .
- the following control is also possible.
- the entire ellipse 70 may be cut based on the stroke information at the biting position 71.
- the stroke information at the biting position 71 is “0”
- the ellipse 70 is cut while being controlled to the current value A4.
- the ellipse 70 is cut while being controlled to the current value A5.
- M sheet material (working medium) 1 Cutting plotter 12a Platen (medium support means) 15 Guide member 15a Guide rail (guide member) 21 Carriage 23 Electromagnet (solenoid) 26 Cutter blade (processing tool) 28 Permanent magnet (solenoid) 50 Control unit (processing control means)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
Description
1 カッティングプロッタ
12a プラテン(媒体支持手段)
15 ガイド部材
15a ガイドレール(ガイド部材)
21 キャリッジ
23 電磁石(ソレノイド)
26 カッター刃(加工具)
28 永久磁石(ソレノイド)
50 コントロールユニット(加工制御手段)
Claims (3)
- シート状の被加工媒体を支持する媒体支持手段と、
前記媒体支持手段に対向した状態で、前記媒体支持手段に支持された被加工媒体に対して搬送方向に相対移動されるとともに、前記搬送方向に対して直交する走査方向に延びて設けられたガイド部材と、
前記ガイド部材に取り付けられて、前記ガイド部材に沿って前記走査方向に移動可能なキャリッジと、
前記キャリッジに搭載されて、前記媒体支持手段に支持された被加工媒体に対して垂直な食い込み方向に移動可能な加工具と、
前記ガイド部材を前記搬送方向へ相対移動させる制御、前記ガイド部材に沿って前記キャリッジを移動させる制御、および前記食い込み方向に前記加工具を移動させる制御を行い、前記加工具により被加工媒体に対してカット加工を施す加工制御手段とを有したカッティングプロッタにおいて、
前記加工制御手段により、前記ガイド部材に沿って前記走査方向に前記キャリッジを移動させる制御が行われるとき、
被加工媒体と前記キャリッジとの前記食い込み方向における間隔が、所定間隔よりも広い場合は、前記加工具を前記被加工媒体に食い込ませる方向に移動させる制御を加えた制御が行われ、
前記所定間隔よりも狭い場合は、前記被加工媒体に対して前記加工具を離間させる方向に移動させる制御を加えた制御が行われることを特徴とするカッティングプロッタ。 - 前記キャリッジには、前記加工具を前記食い込み方向に移動させるソレノイドが搭載されおり、
前記加工制御手段は、前記ソレノイドへの供給電流を制御することにより、前記加工具を前記食い込み方向に移動させる制御を行うことを特徴とする請求項1に記載のカッティングプロッタ。 - シート状の被加工媒体を支持する媒体支持手段と対向し走査方向に延びたガイド部材に沿って移動可能なキャリッジに対して、前記媒体支持手段に支持された被加工媒体に対し直交する食い込み方向に移動可能に搭載された加工具を、前記被加工媒体に食い込ませた状態で相対移動させながらカット加工を施すカッティングプロッタを用いて行うカット方法であって、
被加工媒体と前記キャリッジとの前記食い込み方向における間隔に応じて、前記加工具を前記食い込み方向に移動させる第1のステップと、
前記第1のステップにおいて移動された前記加工具を、前記ガイド部材に沿って前記走査方向に移動させる第2のステップとを有することを特徴とするカット方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/147,802 US20110283849A1 (en) | 2009-02-13 | 2010-01-26 | Cutting plotter and cutting method thereof |
EP10741034.2A EP2397282A4 (en) | 2009-02-13 | 2010-01-26 | CUTTING PLOTTER AND CUTTING TRACING METHOD |
CN2010800074490A CN102317045A (zh) | 2009-02-13 | 2010-01-26 | 切割绘图机及其切割方法 |
Applications Claiming Priority (2)
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JP2009-032007 | 2009-02-13 | ||
JP2009032007A JP2010188427A (ja) | 2009-02-13 | 2009-02-13 | カッティングプロッタおよびそのカット方法 |
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WO2010092754A1 true WO2010092754A1 (ja) | 2010-08-19 |
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PCT/JP2010/000412 WO2010092754A1 (ja) | 2009-02-13 | 2010-01-26 | カッティングプロッタおよびそのカット方法 |
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US (1) | US20110283849A1 (ja) |
EP (1) | EP2397282A4 (ja) |
JP (1) | JP2010188427A (ja) |
KR (1) | KR20110098005A (ja) |
CN (1) | CN102317045A (ja) |
WO (1) | WO2010092754A1 (ja) |
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JP2020199581A (ja) * | 2019-06-10 | 2020-12-17 | Acs株式会社 | カッティング装置 |
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JP5913890B2 (ja) * | 2011-10-03 | 2016-04-27 | グラフテック株式会社 | ペンブロックおよびカッティングプロッタ |
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US8827580B2 (en) | 2012-04-04 | 2014-09-09 | Xerox Corporation | Media feeding system for cutting dimensional documents and methods of making and using same |
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JP2014125711A (ja) * | 2012-12-27 | 2014-07-07 | Brother Ind Ltd | 切断データ作成装置、切断データ作成プログラム及び切断装置 |
US10245803B2 (en) * | 2013-03-13 | 2019-04-02 | Xerox Corporation | Apparatus, system and method for cutting and creasing media |
JP6322462B2 (ja) * | 2014-04-09 | 2018-05-09 | ローランドディー.ジー.株式会社 | カッティング装置 |
CN104354174A (zh) * | 2014-10-27 | 2015-02-18 | 常州纳捷机电科技有限公司 | 样板切割机 |
JP6451032B2 (ja) * | 2015-03-03 | 2019-01-16 | 株式会社トーコー | カッティングプロッタ及びこれを用いた切断方法、制御プログラム並びにコンピュータで読み取り可能な記録媒体 |
JP2017022249A (ja) * | 2015-07-10 | 2017-01-26 | ローランドディー.ジー.株式会社 | ソレノイドアクチュエータおよび加工装置 |
CN107838986A (zh) * | 2017-12-14 | 2018-03-27 | 上海御渡半导体科技有限公司 | 一种专用于电路板的多功能切割刻痕机构 |
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Also Published As
Publication number | Publication date |
---|---|
EP2397282A1 (en) | 2011-12-21 |
JP2010188427A (ja) | 2010-09-02 |
US20110283849A1 (en) | 2011-11-24 |
KR20110098005A (ko) | 2011-08-31 |
EP2397282A4 (en) | 2013-06-05 |
CN102317045A (zh) | 2012-01-11 |
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