A control method and control system for a cutting device

Abstract

The present invention discloses a control method and control system for a cutting device, and relates to the technical field of mechanical processing technology. The control method comprises the following steps: obtaining the target cutting depth and the actual cutting depth of the workpiece to be cut at the current moment; subtracting the actual cutting depth from the target cutting depth to obtain the deviation; when cutting the solid area, adjusting the rotation speed and the moving speed of the cutting blade according to the following formula. The present invention uses a formula to adjust the coordination between the rotation speed and the moving speed of the cutting blade, so that the cutting blade can cut out high-quality cutting products, avoid the uneven edge of the workpiece to be cut after cutting due to excessive depth difference, and thus improve the cutting quality of the workpiece to be cut.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical processing technology, and in particular to a control method and a control system for a cutting device. Background Art

[0002] In industrial automation and manufacturing, cutting devices are widely used in the processing of various materials, especially in situations where high-precision and complex shape cutting is required. Traditional cutting methods often rely on manual operation or simple mechanical control. These methods are difficult to achieve ideal cutting effects when facing cutting tasks with complex structures, and are prone to problems such as damage to the cutting blade and poor cutting quality.

[0003] In the prior art, the cutting device is controlled to cut by using automation technology or sensor technology to improve the cutting quality of the cutting device. However, when the cutting device cuts the workpiece to be cut, it usually involves the problem of matching the cutting speed and the moving speed. That is, if the cutting speed is too high, the cutting device will apply pressure to the workpiece to be cut, causing the workpiece to be cut to deform, or if the moving speed is too high, the cutting heat generated is too high, affecting the cutting quality. Summary of the invention

[0004] An object of the first aspect of the present invention is to provide a control method for a cutting device to solve the technical problem in the prior art that when a cutting blade cuts a workpiece with an uneven structure, the rotation speed and the movement speed do not match, which affects the cutting quality.

[0005] Another object of the first aspect of the present invention is to improve the cutting efficiency of the cutting device.

[0006] The second aspect of the present invention aims to provide a control system for a cutting device, for implementing the control method for the cutting device.

[0007] According to the purpose of the first aspect of the present invention, the present invention provides a control method for a cutting device, the cutting device comprising a cutting blade, the cutting blade being configured to be controlled to move and rotate toward a workpiece to be cut so as to cut the workpiece to be cut, the workpiece to be cut comprising a top surface and a side surface, the side surface having a solid area and a hollow area arranged at intervals along the length direction of the workpiece to be cut, the control method comprising the following steps:

[0008] Obtain the target cutting depth h0 and the actual cutting depth h1 of the workpiece to be cut at the current moment;

[0009] Subtract the actual cutting depth h1 from the target cutting depth h0 to obtain a deviation Δh(t);

[0010] When cutting the solid area, the rotation speed ω(t) and the moving speed v(t) of the cutting blade are adjusted according to the following formula:

[0011]

[0012] Among them, ω0 is the initial rotation speed, v0 is the initial movement speed, k1 is any value in the range of 0-1.0, and k2 is any value in the range of 0-5.0. is a correction function for the deviation Δh(t). When the actual cutting depth h1 is less than the target cutting depth h0, is greater than a preset value, when the actual cutting depth h1 is greater than the target cutting depth h0, Less than the preset value.

[0013] Optionally, adjust according to the following formula

[0014]

[0015] Among them, μ is the adjustment coefficient.

[0016] Optionally, k2 is adjusted according to the following formula,

[0017]

[0018] Among them, N is the empirical constant, T is the cutting temperature, T0 is the initial cutting temperature, and n is the exponential factor.

[0019] Optionally, when the cutting blade enters the hollow area, the rotation speed ω(t) at the previous moment is maintained, and the moving speed v(t) is increased.

[0020] Optionally, the moving speed v2 entering the hollow area is determined according to the following formula:

[0021] v2=m×v t0 ;

[0022] Among them, v t0 is the moving speed at the last moment before entering the hollow area.

[0023] Optionally, after the step of subtracting the actual cutting depth h1 from the target cutting depth h0 to obtain the deviation Δh(t), the following steps are further included:

[0024] Acquiring a real-time torque T(t) of a first driving mechanism, where the first driving mechanism is used to drive the cutting blade to move;

[0025] Determine whether the real-time torque T(t) is less than the preset torque threshold T Th ;

[0026] If so, determining that the cutting sheet enters the hollow area;

[0027] If not, it is determined that the cutting blade enters the solid area.

[0028] Optionally, the first driving mechanism is a servo motor.

[0029] Optionally, the radius of the cutting blade is any value in the range of 100 mm-150 mm, and the thickness of the cutting blade is any value in the range of 2 mm-3 mm.

[0030] According to the purpose of the second aspect of the present invention, the present invention also provides a control system for a cutting device, the control system includes a memory and a processor, the memory stores a control program, and the control program is used to implement any of the above-mentioned control methods for the cutting device when executed by the processor.

[0031] The control method of the cutting device of the present invention adjusts the rotation speed and the moving speed in real time by using the formula. When the actual cutting depth h1 is less than the target cutting depth h0, the rotation speed and the moving speed of the cutting blade are adjusted according to formula (1) and formula (2) to increase the rotation speed and the moving speed of the cutting blade. When the actual cutting depth h1 is greater than the target cutting depth h0, Δh(t) is a negative value. Less than the preset value, that is is less than 1, then the is less than 1, the When the actual cutting depth h1 is less than 1, that is, when the actual cutting depth h1 is greater than the target cutting depth h0, the rotation speed and the moving speed of the cutting blade are adjusted according to formula (1) and formula (2) to reduce the rotation speed and the moving speed of the cutting blade, thereby slowing down the cutting speed and the downward movement speed of the cutting blade, and reducing the difference between the actual cutting depth and the target cutting depth. That is, by using formula (1) and formula (2) to adjust the coordination between the rotation speed and the moving speed of the cutting blade, the cutting blade can cut a high-quality cutting product, avoid the uneven edge of the workpiece to be cut after cutting due to excessive depth difference, thereby improving the cutting quality of the workpiece to be cut.

[0032] Furthermore, the control method of the cutting device of the present invention controls the cutting blade to maintain the rotation speed ω(t) at the previous moment and increase the moving speed v(t) when the cutting blade enters the hollow area. That is, when the cutting blade enters the hollow area, the cutting blade is in a suspended state, and the cutting blade is configured to maintain the rotation speed at the previous moment, so that it can quickly enter the cutting state when it enters the solid area again, thereby improving the cutting efficiency. The cutting efficiency of the cutting blade passing through the hollow area is improved by increasing the moving speed of the cutting blade entering the hollow area, thereby improving the cutting efficiency of the cutting blade in cutting the overall workpiece to be cut.

[0033] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0035] Figure 1 is a schematic flow chart of a control method of a cutting device according to an embodiment of the present invention;

[0036] Figure 2 is another schematic flow chart of a method for controlling a cutting device according to an embodiment of the present invention;

[0037] Figure 3 is a schematic structural diagram of a workpiece to be cut according to an embodiment of the present invention.

[0038] Reference numerals:

[0039] 100-piece to be cut, 10-top surface, 20-side surface, 21-solid area, 22-hollow area. DETAILED DESCRIPTION

[0040] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0041] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. It is to be understood that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some structures related to the present application are shown in the accompanying drawings, rather than all structures. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0042] The terms "including" and "having" and any variations thereof in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products or devices.

[0043] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0044] Figure 1 is a schematic flow chart of a control method for a cutting device according to an embodiment of the present invention, Figure 2 is another schematic flow chart of a method for controlling a cutting device according to an embodiment of the present invention, Figure 3 is a schematic structural diagram of a workpiece to be cut according to an embodiment of the present invention.

[0045] like Figure 3 As shown, the cutting device of the present invention includes a cutting blade, which is configured to be controlled to move and rotate toward the workpiece 100 to be cut so as to cut the workpiece 100. The workpiece 100 to be cut includes a top surface 10 and a side surface 20, and the side surface 20 has a solid area 21 and a hollow area 22 arranged at intervals along the length direction of the workpiece 100 to be cut. And each hollow area 22 is provided with a solid area 21 on the circumference side, and the cutting blade includes a cutting process from the top of the cutting workpiece to the bottom of the side surface 20 of the cutting workpiece, that is, in each cutting process, the cutting blade sequentially contacts the top of the workpiece 100 to be cut, the solid area 21 of the side surface 20 of the workpiece 100 to be cut, the hollow area 22 of the workpiece 100 to be cut, and the solid area 21 of the workpiece 100 to be cut until each cutting process is completed. Here, the workpiece 100 to be cut can be an open wire trough, the material of the workpiece to be cut is polyvinyl chloride material, and the material of the cutting blade is steel.

[0046] like Figure 1 As shown, the present invention provides a control method for a cutting device, the control method comprising the following steps:

[0047] Step S100: obtaining the target cutting depth h0 and the actual cutting depth h1 of the workpiece 100 to be cut at the current moment;

[0048] Step S200: subtract the actual cutting depth h1 from the target cutting depth h0 to obtain a deviation Δh(t);

[0049] Step S300: When cutting the solid area 21, the rotation speed ω(t) and the moving speed v(t) of the cutting blade are adjusted according to the following formula:

[0050]

[0051] Among them, ω0 is the initial rotation speed, v0 is the initial movement speed, k1 is any value in the range of 0-1.0, and k2 is any value in the range of 0-5.0. is the correction function of the deviation Δh(t). When the actual cutting depth h1 is less than the target cutting depth h0, Greater than the preset value, when the actual cutting depth h1 is greater than the target cutting depth h0, Less than a preset value. Here, the preset value is 1.

[0052] In this embodiment, the rotation speed of the cutting blade during the cutting process is adjusted by formula (1), and the moving speed of the cutting blade during the cutting process is adjusted by formula (2). When the actual cutting depth h1 is less than the target cutting depth h0, Δh(t) is a positive value. Greater than the preset value, that is is greater than 1, then the The term is greater than 1, and the The term is greater than 1, that is, when the actual cutting depth h1 is less than the target cutting depth h0, the rotation speed and movement speed of the cutting blade are adjusted according to formula (1) and formula (2) to increase the rotation speed and movement speed of the cutting blade. When the actual cutting depth h1 is greater than the target cutting depth h0, Δh(t) is a negative value. Less than the preset value, that is is less than 1, then the The term is less than 1, and the When the term is less than 1, that is, when the actual cutting depth h1 is greater than the target cutting depth h0, the rotation speed and the moving speed of the cutting blade are adjusted according to formula (1) and formula (2) to reduce the rotation speed and the moving speed of the cutting blade, thereby slowing down the cutting speed and the downward movement speed of the cutting blade, reducing the difference between the actual cutting depth and the target cutting depth, avoiding the uneven edge of the workpiece 100 after cutting due to the excessive depth difference, thereby improving the cutting quality of the workpiece 100 to be cut.

[0053] In this embodiment, the value of k1 is any value in the range of 0-1.0, and the value of k2 is any value in the range of 0-5.0, that is, k1 can be 0, 0.2, 0.4, 0.5, 0.6, 0.7, 0.9 or 1.0, or any value in the range of 0-1.0, and k2 can be 0, 0.5, 1.0, 1.5, 2.0, 3.0, 3.5, 4.0, 4.5 or 5, or any value in the range of 0-5.0. In other words, when the values ​​of k1 and k2 are within the above range, the rotation speed and the moving speed adjusted according to formula (1) and formula (2) can be adaptively adjusted according to the difference between the actual cutting depth and the target cutting depth at the same time, so as to avoid the cutting blade extruding and deforming the workpiece 100 due to excessive rotation speed, or the cutting blade and the workpiece 100 to be cut to generate excessive heat due to excessive rotation speed, thereby improving the matching degree of the rotation speed and the moving speed.

[0054] In a further embodiment, the following formula is used to adjust

[0055]

[0056] Wherein, μ is an adjustment coefficient. Here, the adjustment coefficient μ is any value in the range of 1-10 and can be set according to experience.

[0057] In this embodiment, the correction function for the difference Δh(t) is adjusted using formula (3): When the actual cutting depth h1 is less than the target cutting depth h0, Δh(t) is a positive value. is greater than 1, and As the difference Δh(t) increases, when the actual cutting depth h1 is greater than the target cutting depth h0, Δh(t) is a negative value. is less than 1, and As the difference Δh(t) decreases, it decreases. That is, when the actual cutting depth h1 is less than the target cutting depth h0, Δh(t) is a positive value, and the value in formula (1) is If the term is greater than 1, the rotation speed and movement speed will initially increase. As Δh(t) increases, It also increases to a value greater than 1, which can further increase the rotation speed and movement speed, speed up the cutting process of the cutting blade, and reduce the difference between the actual cutting depth and the target cutting depth. When the actual cutting depth h1 is greater than the target cutting depth h0, Δh(t) is a negative value, and the formula (1) If the term is less than 1, the rotation speed and movement speed will initially decrease. As the cutting depth difference increases, It also decreases to a value approaching 0, which can further reduce the rotation speed and movement speed, slow down the cutting process of the cutting blade, and reduce the difference between the actual cutting depth and the target cutting depth.

[0058] In a further embodiment, k2 is adjusted according to the following formula:

[0059]

[0060] Wherein, N is an empirical constant, T is the cutting temperature, T0 is the initial cutting temperature, and n is an exponential factor. Here, the value of n is 2 or 3, and the value of N is any value in the range of 0-0.5. N and n are obtained through simulation experiments or set according to experience.

[0061] In this embodiment, k2 is adjusted using formula (1). When the cutting blade cuts the workpiece 100, the cutting blade and the workpiece 100 generate heat due to friction. That is, when the actual cutting depth h1 is less than the target cutting depth h0, the rotation speed increases, and the heat generated by the friction between the cutting blade and the workpiece 100 increases. That is, the cutting temperature increases significantly. When the actual cutting depth h1 is greater than the target cutting depth h0, the frictional heat generated by the cutting blade and the workpiece 100 to be cut decreases due to the decrease in rotation speed, that is, the increase in cutting temperature decreases. The increase of the term decreases, and k2 in formula (4) increases, thereby reducing the moving speed of the cutting blade. Here, the initial cutting temperature T0 is any value in the range of 20°C-25°C. Generally, when the material of the workpiece 100 to be cut is polyvinyl chloride and the material of the cutting blade is steel, the cutting temperature during the cutting process is approximately 40°C-60°C. When the cutting temperature is too high, it is cooled by a cooling device to ensure that the cutting temperature is within the above range, so as to avoid the workpiece 100 to be cut being softened due to the excessively high cutting temperature during the cutting process, thereby preventing the cutting quality of the workpiece 100 to be cut from being affected.

[0062] In a further embodiment, when the cutting blade enters the hollow area 22, the rotation speed ω(t) at the previous moment is maintained, and the moving speed v(t) is increased. In this embodiment, in each cutting process of the cutting blade, it sequentially cuts the solid area 21, the hollow area 22, and the solid area 21 of the workpiece 100 to be cut. When the cutting blade enters the hollow area 22, the cutting blade is in a suspended state. The cutting blade is configured to maintain the rotation speed at the previous moment, so that it can quickly enter the cutting state when it enters the solid area 21 again, thereby improving the cutting efficiency. The cutting efficiency of the cutting blade passing through the hollow area 22 is improved by increasing the moving speed of the cutting blade entering the hollow area 22, thereby improving the overall cutting efficiency of the cutting blade in cutting the workpiece 100 to be cut.

[0063] In a further embodiment, the moving speed v2 entering the hollow area 22 is determined according to the following formula:

[0064] v2=m×v t0 (5);

[0065] Among them, v t0 is the moving speed at the last moment before entering the hollow area 22. Here, m is any value in the range of 1.0-1.5.

[0066] In this embodiment, the moving speed of the cutting blade entering the hollow area 22 is determined according to formula (5), and the value of m can be 1.0, 1.1, 1.2, 1.3, 1.4 or 1.5, or any value between 1.0 and 1.5, so as to increase the moving speed of the cutting blade entering the hollow area 22, and at the same time prevent the moving speed of the cutting blade entering the hollow area 22 from being too high, resulting in failure to adjust in time when moving close to the solid area 21 to be cut, prevent the moving speed and rotation speed of the cutting blade from not matching when cutting the solid area 21 located at the bottom of the hollow area 22, and avoid the cutting blade from pressurizing and deforming the workpiece 100 to be cut.

[0067] In a further embodiment, after the step of subtracting the actual cutting depth h1 from the target cutting depth h0 to obtain the deviation Δh(t), the following steps are further included:

[0068] Step S110: acquiring the real-time torque T(t) of the first driving mechanism, where the first driving mechanism is used to drive the cutting blade to move;

[0069] Step S120: Determine whether the real-time torque T(t) is less than the preset torque threshold T Th ;

[0070] If so, it is determined that the cutting piece enters the hollow area 22;

[0071] If not, it is determined that the cutting piece has entered the solid area 21 .

[0072] In this embodiment, the first drive mechanism is used to drive the cutting blade to move. After obtaining the real-time torque of the first drive mechanism, the difference between the real-time torque and the torque threshold is determined. That is, when it is determined that the real-time torque of the first drive mechanism is less than the torque threshold, it is determined that the cutting blade enters the hollow area 22, that is, the rotation speed of the cutting blade at this time is maintained at the rotation speed of the previous moment, and the moving speed is increased according to formula (5) to quickly pass through the hollow area 22. When it is determined that the real-time torque of the first drive mechanism is greater than the torque threshold, it is determined that the cutting blade enters the solid area 21, that is, at this time, the cutting speed of the cutting blade is adjusted according to formula (1), and the moving speed of the cutting blade is adjusted according to formula (2), so that when the cutting blade cuts in the solid area 21, its rotation speed and moving speed match, so as to ensure the cutting quality of the workpiece 100 to be cut.

[0073] In this embodiment, when the cutting piece enters the solid area 21 from the hollow area 22, the rotation speed and movement speed of the cutting piece are adjusted according to formula (1) and formula (2) to adapt to the cutting parameters of the solid area 21 and ensure the cutting quality.

[0074] In a further embodiment, the first driving mechanism is a servo motor. In this embodiment, the first driving mechanism is a servo motor, which controls its displacement by receiving precise pulse signals, thereby achieving precise control of the position of the cutting blade, ensuring that the cutting blade can accurately move to a predetermined position during the cutting process, and achieving high-precision cutting. At the same time, the servo motor has a fast dynamic response capability, can quickly respond to changes in control signals, and quickly adjust the position and speed of the cutting blade, so that its moving speed in the solid area 21 and the hollow area 22 is more flexible and accurate, thereby ensuring that the cutting blade maintains a stable cutting speed and depth during the cutting process, and improving the cutting quality.

[0075] In a further embodiment, the radius of the cutting blade is any value in the range of 100 mm-150 mm, and the thickness of the cutting blade is any value in the range of 2 mm-3 mm. The radius of the cutting blade in this embodiment is larger, so that the cutting edge of the cutting blade covers a larger area each time it rotates, thereby improving the cutting efficiency. In addition, the larger radius of the cutting blade can effectively resist vibration and deviation during the cutting process to ensure cutting accuracy and prevent the workpiece 100 to be cut from being damaged during the cutting process.

[0076] The present invention also provides a control system for a cutting device, the control system includes a memory and a processor, the memory stores a control program, and the control program is used to implement the control method of the cutting device when executed by the processor. The control method of the cutting device is not described in detail here.

[0077] In a specific embodiment, a computing program is stored in the memory, and the computing program is used to implement the above-mentioned control method when it is executed by the processor. The processor can be a central processing unit (CPU), or a digital processing unit, etc. The processor sends and receives data through a communication interface. The memory is used to store the program executed by the processor. The memory is any medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by a computer, or it can be a combination of multiple memories. The above-mentioned computing program can be downloaded from a computer-readable storage medium to a corresponding computing / processing device or downloaded to a computer or an external storage device via a network (such as the Internet, a local area network, a wide area network and / or a wireless network).

[0078] For the purposes of the description of this embodiment, a "computer-readable medium" may be any device that can contain, store, communicate, propagate or transmit a program for use with an instruction execution system, device or apparatus or in conjunction with such instruction execution systems, devices or apparatuses. More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection having one or more wirings (electronic device), a portable computer disk case (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and editable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disk read-only memory (CDROM). In addition, a computer-readable medium may even be paper or other suitable medium on which the program may be printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium, followed by editing, interpreting or, if necessary, processing in another suitable manner, and then stored in a computer memory.

[0079] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

Claims

1. A method for controlling a cutting device, characterized in that: The cutting device comprises a cutting blade, the cutting blade is configured to be controlled to move and rotate toward a workpiece to be cut so as to cut the workpiece to be cut, the workpiece to be cut comprises a top surface and a side surface, the side surface has a solid area and a hollow area arranged at intervals along the length direction of the workpiece to be cut, and the control method comprises the following steps: Obtain the target cutting depth h0 and the actual cutting depth h1 of the workpiece to be cut at the current moment; Subtract the actual cutting depth h1 from the target cutting depth h0 to obtain the deviation ; When cutting the solid area, the rotation speed of the cutting blade is adjusted according to the following formula: and movement speed , ； ； in, is the initial rotation speed, is the initial moving speed, The value of is in the range of 0-1.

0. The value of is in the range of 0-5.

0. For the deviation Correction function, when the actual cutting depth h1 is less than the target cutting depth h0, is greater than a preset value, when the actual cutting depth h1 is greater than the target cutting depth h0, is smaller than the preset value; Adjust according to the following formula , ； in, is the adjustment factor; Calculate according to the following formula , ； Where N is the empirical constant, T is the cutting temperature, is the initial cutting temperature, n is the exponential factor; When the cutting blade enters the hollow area, the rotation speed at the last moment is maintained. , and increase movement speed .

2. The control method according to claim 1, characterized in that: The moving speed into the hollow area is determined according to the following formula , ； in, is the moving speed at the last moment before entering the hollow area, m is the magnification factor, and 1<m≤1.

5.

3. The control method according to claim 2, characterized in that: After the step of subtracting the actual cutting depth h1 from the target cutting depth h0 to obtain the deviation ∆h(t), the following steps are also included: Acquiring a real-time torque T(t) of a first driving mechanism, where the first driving mechanism is used to drive the cutting blade to move; Determine whether the real-time torque T(t) is less than the preset torque threshold T Th ; If so, determining that the cutting sheet enters the hollow area; If not, it is determined that the cutting blade enters the solid area.

4. The control method according to claim 3, characterized in that: The first driving mechanism is a servo motor.

5. The control method according to any one of claims 1 to 4, characterized in that: The radius of the cutting blade is any value in the range of 100 mm to 150 mm, and the thickness of the cutting blade is any value in the range of 2 mm to 3 mm.

6. A control system for a cutting device, characterized in that: It comprises a memory and a processor, wherein a control program is stored in the memory, and when the control program is executed by the processor, it is used to implement the control method of the cutting device according to any one of claims 1 to 4.

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