JP6451032B2 - Cutting plotter, cutting method using the same, control program, and computer-readable recording medium - Google Patents

Description

  The present invention relates to a cutting plotter having means for cutting so as not to leave a blade trace or crack in the vicinity of the cutting start position of an object to be cut, a cutting method using the cutting plotter, a control program, and a computer-readable record. It relates to the medium.

  When cutting a workpiece into a cylindrical shape with a conventional cutting plotter, the cutter blade is lowered vertically with respect to the workpiece, and the cutter blade is moved from a state where the cutter blade is pierced to a circular shape. Yes. Here, when a hard material such as rubber is used as an object to be cut, the resistance of the cutter blade increases at the time of curved cutting, the cutting depth is not constant, the cutting position is deviated from a predetermined position, Furthermore, there was a drawback that the pressing force was strong and the cutter blade was damaged. Further, in the reciprocating cut, there is a drawback that when the cutter descends perpendicularly to the material from the starting position of the material, the shape of the cutter remains due to friction.

  On the other hand, Patent Document 1 discloses a cutting plotter capable of sharply cutting the cut surface by controlling the protruding portion of the blade edge to be short and reducing the cutting resistance at the time of curve cutting during the curve cutting process. ing.

  Further, in Patent Document 2, while gradually increasing the protruding amount of the tip portion of the cutter to be protruded, a bottom dead center can be smoothly formed without stopping at the starting point over a plurality of times by arbitrarily setting a cut line of a certain depth on the sheet. A cutting plotter that can operate to cut out a donut-shaped packing or the like from a sheet is disclosed.

Japanese Laid-Open Patent Publication No. 01-146697 Japanese Patent Application No. 09-300288

However, in order to cut an object to be cut into a cylindrical shape with a conventional cutting plotter, the amount of protrusion of the cutting edge of the cutter blade is suppressed multiple times as in the operation of the cutter blade of the conventional cutting plotter shown in FIG. Since the cut object is cut, the processing time is long and the processing efficiency is deteriorated. Furthermore, as shown in the plan view of the object to be cut when it is cut into the cylindrical shape of FIG. 8A, when the cutting edge of the cutter blade 3 approaches the blade trace G of the cutter blade formed at the cutting start position C , FIG. As shown in the sectional view taken along line VIIIB-VIIIB of the object to be cut when it is cut into the cylindrical shape shown, stress is applied to the uncut region H near the cutting surface at the cutting start position of the object to be cut, causing cracks, There was a problem that the cut surface became discontinuous, such as a stabbed mark remaining when the cutter blade was inserted.

  The present invention has been made in view of such problems. One of the objects of the present invention is a cutting plotter provided with means for cutting so as not to leave a blade trace or a crack near a cutting start position of an object to be cut, a cutting method using the same, a control program, and a computer. An object is to provide a readable recording medium. It is another object of the present invention to provide a cutting plotter that completes a curve cutting process in a short time, a cutting method using the cutting plotter, a control program, and a computer-readable recording medium.

The cutting plotter 1 according to the first aspect of the present invention includes a mounting table 2 on which a workpiece 8 is mounted, a cutter blade 3 that pierces and cuts the workpiece 8, and a mounting surface of the cutter blade 3. The moving mechanism 4 based on the cutting data 6b including the moving mechanism 4 for moving in the direction A and the cutting depth direction B of the workpiece 8 and the cutting position information and cutting depth corresponding to the placement surface direction A described above. A cutting plotter 1 including a control unit 6 for controlling the cutting surface, wherein the control unit 6 moves the cutter blade 3 in the cutting depth direction B and the placement surface derived from the cutting position information. Control means for controlling the moving mechanism 4 so as to move the cutter blade (3) along the spiral and cut the workpiece (8) by simultaneously moving the cutter blade 3 in the direction A; Prepare.

  According to the above configuration, the cutter blade 3 is moved in the cutting depth direction B of the workpiece 8 so as to move along the cutting line formed in the placement surface direction A, which is derived from the cutting position information. By controlling the moving mechanism 4, when the cutter blade 3 returns to the already cut line, there is a wide uncut region of the workpiece 8 in the traveling direction of the cutter blade 3. 8 cracks can be prevented.

  Further, in the cutting plotter 1 according to the second aspect, the control unit 6 further moves the cutter blade 3 in the direction opposite to the depth direction B after the cutting of the workpiece 8 and The moving mechanism 4 is controlled so as to simultaneously move the cutter blade 3 in the placement surface direction A derived from the cutting position information, and the cutter blade 3 is moved along the cutting groove of the workpiece 8. And an extracting means for extracting.

  According to the above configuration, when the cutter blade 3 has been cut on the curve of the cutting line, the moving mechanism 4 is controlled so as to be removed while moving the cutter blade 3 along the cutting line. It is possible to prevent the blade mark of the cutter blade 3 from reaching the object 8.

  Further, the cutting plotter 1 according to the third side surface further includes a vibration mechanism 7 that vibrates the cutter blade 3 in the axial direction of the cutter blade 3. The vibration mechanism 7 vibrates the cutter blade 3. The workpiece 8 is cut while being cut.

  According to the said structure, by providing the vibration mechanism 7 which gives the cutter blade 3 the vibration of the axial direction of the cutter blade 3, by reducing the frictional resistance in the contact surface of the cutter blade 3 and the to-be-cut | disconnected object 8, The cut product 8 can be cut smoothly.

Furthermore, the cutting method according to the fourth aspect is a cutting method in which the workpiece 8 is mounted on the mounting table 2 and cut into a predetermined shape by the cutter blade 3, and corresponds to the mounting surface direction A described above. A step of inputting cutting data including cutting position information and a cutting depth to be performed; a step of moving the cutter blade 3 to the cutting start position C of the workpiece 8; and the workpiece 8 at the cutting start position C. and movement of the cutter blade 3 to the cutting depth direction B, the simultaneously row Ukoto movement of the cutter blade 3 to the mounting surface direction a derived from said cutting position information cutter blade (3) is A cutting step of moving along the spiral to cut the workpiece 8;

  Accordingly, by moving the cutter blade 3 in the cutting depth direction B of the workpiece 8 while moving along the cutting line formed in the mounting surface direction A derived from the cutting position information, and cutting the workpiece 3 When the cutter blade 3 comes back on the cutting line that has already been cut, there is a wide uncut region of the workpiece 8 in the traveling direction of the cutter blade 3, so that cracking of the workpiece 8 can be prevented. it can.

  Furthermore, the cutting method according to the fifth aspect is further described above, after the cutting of the workpiece 8, the movement of the cutter blade 3 in the cutting depth direction B and the cutting position information. It includes the step of simultaneously moving the cutter blade 3 in the direction of the placement surface and extracting the cutter blade 3 along the cutting groove of the workpiece 8.

  Thereby, after the cutting of the workpiece 8 is finished, the cutter blade 3 is removed while moving along the cutting line, thereby preventing the blade mark of the cutter blade 3 from reaching the workpiece 8. .

  In the cutting method according to the sixth aspect, in the cutting step, the cutter blade 3 is further vibrated in the axial direction of the cutter blade 3.

  Thus, by applying vibration in the axial direction of the cutter blade 3 to the cutter blade 3 and cutting the workpiece 8, the frictional resistance at the contact surface between the cutter blade 3 and the workpiece 8 is reduced, thereby reducing the object to be cut. The cut product 8 can be cut smoothly.

  Furthermore, in the cutting method according to the seventh aspect, the material of the workpiece 8 can be any one of synthetic resin, wood and paper.

  Thereby, it is possible to cut the object 8 such as synthetic resin, wood, paper, etc. having low mechanical strength while suppressing the occurrence of cracks.

Furthermore, the program 6c according to the eighth aspect places the workpiece 8 and uses the cutter blade 3 to place the workpiece 8 on the cutting position information and the cutting depth corresponding to the placement surface direction A described above. A program 6c for controlling the operation of the cutting plotter 1 for cutting the workpiece 8 into a shape derived from the cutting data 6b including the movement of the cutter blade 3 in the cutting depth direction B and the cutting By simultaneously moving the cutter blade 3 in the placement surface direction A derived from the position information , the cutter blade (3) is moved along the spiral to cut the workpiece (8). A cutting control process for controlling and cutting the workpiece 8 is performed by the cutting plotter 1.

  According to the program 6c which concerns on the 8th side surface of this invention, it forms in the said mounting surface direction A derived | led-out from the said cutting position information, moving the cutter blade 3 to the cutting depth direction B of the to-be-cut object 8. FIG. By causing the cutting plotter 1 to move and cut along the cutting line, when the cutter blade 3 returns to the already cut cutting line, the cutting object 8 is moved in the advancing direction of the cutter blade 3. Since the uncut region exists widely, the stress generated in the workpiece 8 can be suppressed, and the crack of the workpiece 8 can be prevented.

  A computer-readable recording medium according to the ninth aspect of the present invention stores the above program. CD-ROM, CD-R, CD-RW, flexible disk, magnetic tape, MO, DVD-ROM, DVD-RAM, DVD-R, DVD + R, DVD-RW, DVD + RW, Blu-ray (product) Name), BD-R, BD-RE, HD DVD (AOD), and other magnetic disks, optical disks, magneto-optical disks, semiconductor memories, and other media that can store programs. The program includes a program distributed in a download manner through a network line such as the Internet, in addition to a program stored and distributed in the recording medium. Furthermore, the recording medium includes a device capable of recording the program, for example, a general purpose or dedicated device in which the program is mounted in a state where the program can be executed in the form of software, firmware, or the like. Furthermore, each process and function included in the program may be executed by computer-executable program software, or each part of the process or hardware may be executed by hardware such as a predetermined gate array (FPGA, ASIC), or program software. And a partial hardware module that realizes a part of hardware elements may be mixed.

  Since the cutting plotter of the present invention, the cutting method using the cutting plotter, the control program, and the computer-readable recording medium can reduce the stress generated in the vicinity of the already cut portion of the workpiece, cutting can be performed. It is possible to prevent cracks generated in the workpiece. Further, the present invention is suitable for cutting processing of synthetic resin, wood, and paper having low mechanical strength. Furthermore, the present invention shortens the time required for the cutting process as compared with the conventional method of cutting concentric circles having a constant depth from the start point to the end point and cutting the depth stepwise in multiple steps. can do.

1 is a front view of a cutting plotter according to a first embodiment. 1 is a plan view of a cutting plotter according to Embodiment 1. FIG. 3A is a schematic diagram showing an operation example 1 of the cutter blade when cutting using the cutting plotter according to the first embodiment, FIG. 3B is a schematic diagram showing an operation example 2 of the cutter blade, and FIG. 3C is according to the first embodiment. It is the schematic which shows the operation example 3 when cutting is completed using a cutting plotter and a cutter blade is extracted. FIG. 4A is a diagram illustrating an upper surface of an object cut using the cutting plotter according to the first embodiment, and FIG. 4B is a diagram illustrating a side surface of the object to be cut. 3 is a flowchart illustrating a cutting method according to the first embodiment. 1 is a schematic diagram of a system configuration of a cutting plotter according to Embodiment 1. FIG. It is the schematic which shows operation | movement of the cutter blade of the conventional cutting plotter. 8A is a plan view of an object to be cut when it is cut into a cylindrical shape using a conventional cutting plotter, and FIG. 8B is a sectional view taken along line VIIIB-VIIIB in FIG. 8A.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the embodiment described below exemplifies a cutting plotter for embodying the technical idea of the present invention, and the present invention does not specify the cutting plotter as follows. In addition, the member shown by the claim is not what specifies the member of embodiment. In particular, the dimensions, materials, shapes, relative arrangements, and the like of the constituent members described in the embodiments are not intended to limit the scope of the present invention only to the description unless otherwise specified. It is just an example. Note that the size, positional relationship, and the like of the members shown in each drawing may be exaggerated for clarity of explanation. Furthermore, in the following description, the same name and symbol indicate the same or the same members, and detailed description thereof will be omitted as appropriate. Furthermore, each element constituting the present invention may be configured such that a plurality of elements are constituted by the same member and the plurality of elements are shared by one member, and conversely, the function of one member is constituted by a plurality of members. It can also be realized by sharing. In addition, the contents described in some examples and embodiments may be used in other examples and embodiments.

  1 and 2 are a front view and a plan view of a cutting plotter 1 according to the first embodiment, respectively. The cutting plotter 1 according to the first embodiment will be described below.

A cutting plotter 1 according to the first embodiment includes a mounting table 2 on which a workpiece is mounted, a moving mechanism 4 having a cutter blade 3 above the mounting table 2, and an operation unit 5 that controls the moving mechanism 4. Is done. Here, the mounting surface direction A shown in FIG. 1 represents a coordinate system on the mounting surface of the mounting table 2. Moreover, the cutting depth direction B shown in FIG. 1 represents the depth direction of the cutting | disconnection formed when it stabs with the cutter blade 3 from upper direction when a to-be-cut object is mounted on a mounting surface.
(Mounting table)

The mounting table 2 of the cutting plotter 1 according to the first embodiment fixes the workpiece 8 on the mounting surface 21 so that the workpiece 8 is not displaced when the workpiece 8 is placed and cut. Let it be used. Examples of means for fixing the workpiece 8 include a pressure-sensitive adhesive sheet fixed on the mounting surface 21 or a fixing method such as electrostatic adsorption, magnet or vacuum adsorption.
(Cutter blade)

The cutter blade 3 of the cutting plotter 1 according to the first embodiment employs a cutting blade that can be cut by a reciprocating motion. The cross-section is a single blade or a double blade, and an oblique blade or a cutting edge extends from the distal end of the cutter blade 3 to the proximal end and the cutter. A substantially flat cutting blade formed over the longitudinal direction of the blade 3 is used. The cutting process is performed by pressing the tip of the cutter blade 3 against the workpiece 8 and moving the cutter blade 3 to make a cut.
(Movement mechanism)

The moving mechanism 4 of the cutting plotter 1 according to the first embodiment includes a cutter head with a built-in cutter blade 3, a parallel moving mechanism 4a for moving the cutter head in a plane parallel to the placement surface, and a workpiece to be cut An elevating / lowering mechanism 4b for elevating / lowering the cutting depth direction B of the object 8 is provided. In order to cut the workpiece, the cutter blade 3 is moved by driving the parallel moving mechanism 4a in a state where the cutter blade 3 is lowered by the lifting / lowering moving mechanism 4b and pierced into the workpiece 8. Further, the moving mechanism 4 can be moved while further oscillating the cutter blade 3 by connecting the vibration mechanism 7 to the cutter head. For the vibration mechanism 7, an air-type or electric-type vibration device or the like is used. Since the frictional resistance can be reduced by the vibration mechanism 7, the time required for the cutting process can be shortened and good cutting can be performed.
(Operation section)

The operation unit 5 of the cutting plotter 1 according to the first embodiment inputs an operation screen 5a for operating the cutting plotter 1, and cutting data 6b including cutting position information and cutting depth corresponding to the mounting surface direction A. And a cutting data input unit 5b. The user inputs the cutting data from the operation screen 5a or inputs cutting data for cutting into a desired shape from the recording medium, and controls the moving mechanism 4 to cut the object to be cut according to the cutting data. Run. The inputted cutting data is recorded in the memory 6a of the control unit 6.
(Control part)

The control unit 6 of the cutting plotter 1 according to the first embodiment includes a memory 6a. The memory 6a is derived from the cutting data 6b in the recording area for recording the cutting data input by the cutting data input unit 5b and the cutting data 6b. A program 6c having means for simultaneously controlling the parallel movement mechanism 4a and the lifting / lowering movement mechanism 4b according to the cutting position information and the cutting depth is stored. The program of the control unit 3 is configured to execute a cutting operation example described later. Further, the control unit 6 can further include means for controlling the vibration mechanism 7 to apply vibration to the cutter blade 3 for cutting.
(Example of cutting operation according to the first embodiment)

  FIGS. 3 to 5 are schematic views showing an operation example of the cutter blade 3 of the cutting plotter 1 according to the first embodiment, and show a cut surface of the workpiece 8 cut by using the cutting plotter 1 according to the first embodiment. The figure which shows and the flowchart which shows the cutting process which concerns on Example 1 are shown. Hereinafter, an operation example of the cutting plotter 1 according to the first embodiment will be described.

  In order to cut the workpiece 8 into a cylindrical shape having no blade marks or cracks using the cutting plotter 1 according to the first embodiment, the cutting edge of the cutter blade 3 as shown in the operation example 1 and the operation example 2 in FIG. Is moved along a three-dimensional spiral trajectory in the X-axis direction and Y-axis direction of the placement surface direction A and the Z-axis direction of the depth direction B. Such three-dimensional movement of the cutter blade 3 is performed by simultaneously controlling the parallel movement mechanism 4a and the elevation movement mechanism 4b by the control unit 6.

  3A, the cutter blade 3 moves along the spiral to cut the workpiece 8. At this time, when the workpiece 8 is cut out, a soft base sheet 9 is laid under the workpiece 8 and the cutter blade 3 is inserted to cut out the workpiece 8. Moreover, as shown in the operation example 2 of FIG. 3B, after the cutter blade 3 is moved to the cutting depth along the spiral, it is possible to perform not only cutting but also half-cutting by a method of cutting by circular movement. .

  Next, the position and cutting trajectory of the cutter blade 3 when the workpiece 8 is cut into a columnar shape by the above operation example 1 and operation example 2 will be described. FIG. 4A is a diagram illustrating the upper surface of the workpiece 8 cut using the cutting plotter 1 according to the first embodiment. When the cutter blade 3 moves in a circular path, a cutting line D is formed on the upper surface of the workpiece 8. Is done. FIG. 4B illustrates a side surface of the workpiece 8 cut using the cutting plotter 1 according to the first embodiment. In FIG. 4B, the hatched area indicates the area E that is cut when the cutter blade 3 makes one round, and the area indicated by the dot pattern indicates that the cutter blade 3 is cut after the second week. Region F is shown. The arrows in FIG. 4A indicate the moving direction of the tip of the cutter blade 3 according to the operation example 1 and the operation example 2.

In the above operation example 1 and operation example 2, when the cutter blade 3 makes one round and cuts the workpiece 8, as shown in FIG. 4B, the cut region on the X-axis direction side of the cutter blade 3 (the cutter Since there are few areas where the cutting edge of the cutter blade 3 approaches the area E on the left side of the cutter blade 3 in the area E that is cut when the blade makes one round, the vicinity of the uncut area (the cutter blade 3 is in the second week or later) In the cutting area F to be cut in a straight line, the area on the left side of the cutter blade 3) can be cut while avoiding stress concentration that causes cracks. Further, the operation of the cutting plotter 1 according to the present invention is such that the cutter blade 3 rotates and cuts along the cutting line while moving in the Z-axis direction. Compared with the cutting method, the cutting amount per unit time is large, and the processing time can be shortened. Therefore, the operation of the cutting plotter 1 of the present invention can cut the workpiece while preventing cracks. In particular, when the trajectory of the parallel movement of the cutter blade 3, that is, the cutting line formed in the mounting surface direction is a curve, it is possible to prevent the cutting surface of the workpiece to be disturbed compared to the conventional cutting method. it can. Furthermore, the operation of the cutting plotter 1 of the present invention is effective in cutting a material that is prone to cracking, and is suitable for cutting a synthetic resin, wood, and paper having low mechanical strength.
(Operation example when cutting is completed according to the first embodiment)

When the cutting of the workpiece 8 is completed by the above-described operation example 1 and operation example 2, the cutter blade 3 is moved along the spiral trajectory in the cutting progress direction and extracted as in operation example 3 shown in FIG. 3C. Thereby, it is possible not to leave a blade mark of the cutter blade 3 on the workpiece 8.
(Cutting method according to Example 1)

Next, regarding the method of cutting the workpiece 8 using the cutting plotter 1 according to the first embodiment, as shown in the flowchart of FIG. 5, the step of inputting cutting data (step S1), The step of moving the cutter blade to the cutting start position C (step S2), the step of moving the cutter blade 3 to cut the workpiece 8 (step S3), and the step of removing the cutter blade 3 (step S4). Executed. These steps will be described below.
(Step of inputting cutting data (step S1))

First, the user inputs cutting data for cutting into a desired shape via the operation screen 5a of the cutting plotter 1 or a recording medium, and records it in the memory 6a of the control unit 6. The cutting data 6b includes cutting position information and cutting depth corresponding to the placement surface direction A.
(Step of moving the cutter blade to the cutting start position of the workpiece (step S2))

Next, the cutting start position C of the workpiece 8 is read from the cutting data 6b recorded in the memory 6a of the control unit of the cutting plotter 1, and the cutter blade 3 is moved from the cutting data to the cutting start position C of the workpiece 8. The moving mechanism 4 is controlled to do so.
(Step of moving the cutter blade to cut the object to be cut (step S3))

Next, according to the position information of the cutter blade 3 derived from the cutting data, the cutter blade 3 is simultaneously moved in the mounting surface direction A and the depth direction B along the cutting line D of the workpiece 8 and cut. Thus, the parallel movement mechanism 4a and the elevation movement mechanism 4b are simultaneously controlled.
(Step of removing the cutter blade (step S4))

Then, upon completion of the cut-out of object to be cut 8, as in the operation example 3 shown in FIG. 3 C, parallel movement mechanism to withdrawn by moving in a spiral trajectory along the cutter blade 3 on the cut surface 4a and the elevation The moving mechanism 4b is controlled simultaneously.
(Cutting control)

  Next, FIG. 6 shows a schematic configuration of a control system that realizes the process of the cutting method described above. In FIG. 6, the control system includes an operation unit 5, a control unit 6, and a moving mechanism 4. The operation unit 5 includes an operation screen 5a which is a user interface and a cutting data input unit 5b for a user to operate the cutting plotter 1. When the user inputs cutting data from the operation screen 5a or the recording medium, the cutting data 6b is written from the cutting data input unit 5b to the memory 6a of the control unit 6. Thereafter, when the user performs a cutting start operation on the operation screen 5a, the control unit 6 controls the moving mechanism 4 according to the information of the cutting data 6b. The moving mechanism 4 cuts the workpiece 8 by moving the cutter blade in accordance with a command from the control unit 6. The details of the operation unit 5, the control unit 6, and the moving mechanism 4 are as described above.

  The cutting plotter according to the present invention, a cutting method using the cutting plotter, a control program, and a computer-readable recording medium can be suitably applied to cleanly cut an object to be cut without leaving a blade trace or a crack.

DESCRIPTION OF SYMBOLS 1 ... Cutting plotter 2 ... Mounting stand 3 ... Cutter blade 4 ... Moving mechanism 4a ... Parallel moving mechanism 4b ... Elevating / moving mechanism 4c ... Cutter head 5 ... Operation part 5a ... Operation screen 5b ... Cutting data input part 6 ... Control part 6a ... Memory 6b ... Cut data 6c ... Program 7 ... Vibration mechanism 8 ... Substrate 9 ... Base sheet A ... Placing surface direction B ... Cut depth direction C ... Cut start position D ... Cut line E ... Cutter blade makes one round Area F that is sometimes cut ... Cutting area G in which the cutter blade is cut after the second week ... Blade trace H ... Uncut area

Claims (9)

A mounting table (2) for mounting the workpiece (8);
A cutter blade (3) for piercing and cutting the workpiece (8),
A moving mechanism (4) for moving the cutter blade (3) in the mounting surface direction (A) and the cutting depth direction (B) of the workpiece (8);
Control unit (6) for controlling the moving mechanism (4) based on cutting data (6b) including cutting position information and cutting depth corresponding to the placement surface direction (A) described above,
A cutting plotter (1) equipped with
The control unit (6) moves the cutter blade (3) in the cutting depth direction (b) and the cutter blade (3) in the placement surface direction (A) derived from the cutting position information. Control means for controlling the moving mechanism (4) to move the cutter blade (3) along the spiral and cut the workpiece (8) by simultaneously moving
Cutting plotter with (1). A cutting plotter (1) according to claim 1, further comprising:
The controller (6) is derived from the movement of the cutter blade (3) in the direction opposite to the depth direction (B) and the cutting position information after the cutting of the workpiece (8). The moving mechanism (4) is controlled so as to simultaneously move the cutter blade (3) in the mounting surface direction (A), and the cutter blade (3) is cut into the workpiece (8). A cutting plotter (1) provided with extraction means for extraction along the groove. A cutting plotter (1) according to claim 1 or 2, further comprising:
A vibration mechanism (7) that vibrates the cutter blade (3) in the axial direction of the cutter blade (3).
With
A cutting plotter (1) for cutting the workpiece (8) while vibrating the cutter blade (3) by the vibration mechanism (7). A cutting method of placing the workpiece (8) on the mounting table (2) and cutting it into a predetermined shape with the cutter blade (3),
A step of inputting cutting data including cutting position information and cutting depth corresponding to the placement surface direction (A),
Moving the cutter blade (3) to the cutting start position (C) of the workpiece (8);
In the cutting start position (C), movement of the cutter blade (3) in the cutting depth direction (B) of the workpiece (8), and the placement surface direction (A) derived from the cutting position information a cutting step of cutting the object to be cut (8) to move along said the movement of the cutter blade (3) at the same time in a row Ukoto cutter blade (3) in a spiral to),
Including cutting method. The cutting method according to claim 4, further comprising:
After the cutting of the workpiece (8), the cutter blade (3) moves in the cutting depth direction (B) and the cutter blade in the placement surface direction derived from the cutting position information. A cutting method including a step of simultaneously performing the movement of (3) and extracting the cutter blade (3) along a cutting groove of the workpiece (8). It is the cutting method as described in any one of Claims 4-5,
A cutting method in which, in the cutting step, the cutter blade (3) is vibrated in the axial direction of the cutter blade (3). It is the cutting method as described in any one of Claims 4-6,
A cutting method in which the material of the object to be cut (8) is any one of synthetic resin, wood, and paper. Place the workpiece (8) and use the cutter blade (3) to cut the workpiece (8) including cutting position information and cutting depth corresponding to the placement surface direction (A). A program (6c) for controlling the operation of a cutting plotter (1) for cutting an object (8) into a shape derived from data,
The cutting plotter (1) moves the cutter blade (3) in the cutting depth direction (B) and the cutter blade (3) in the placement surface direction (A) derived from the cutting position information. ) At the same time to move the cutter blade (3) along the spiral to cut the workpiece (8) to cut the workpiece (8). A program (6c) that causes a computer to execute.   A computer-readable recording medium storing the program according to claim 8.

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