JP2015116648A - Automatic adjustment processing method and electric discharge machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic adjustment processing method and the like which automatically suppress generation of a navel and a secondary discharge trace.SOLUTION: An automatic adjustment processing method in an electric discharge machine 1 includes processing of cutting out a workpiece 11 from a base material 13. The electric discharge machine 1 comprises: a control part 37 for executing an instruction included in a program and controlling the operation of the electric discharge machine 1; a processing condition setting part 35 for setting a processing condition; and a processing part 39 for performing the processing of cutting out the workpiece 11 from the base material 13 in accordance with the processing condition set by the processing condition setting part 35. An automatic adjustment processing instruction is included in the instruction. When the control part 37 executes the automatic adjustment processing instruction, the processing condition setting part 35 changes the processing condition, and the processing part 39 executes the processing in accordance with the change of the processing condition.

Description

  The present invention relates to an automatic adjustment machining method and an electric discharge machine, and more particularly to an automatic adjustment machining method and the like in an electric discharge machine that cuts a workpiece from a base material.

  A case where a desired shape is cut out from a plate material in a wire electric discharge machine will be described. Hereinafter, the desired shape is referred to as “work”, and the portion of the plate material other than the work is referred to as “base material”. In order to process the outer periphery of the workpiece, holding means (hereinafter referred to as “bridge portion”) for holding the workpiece on the base material is required. In many cases, the bridge portions are not processed simultaneously. With the workpiece attached to the base material side, the finishing process is performed first for the processing of the parts other than the bridge part. Next, the base material side and the workpiece side are energized using silver paste, conductive adhesive, etc. at any processing part, the fall prevention process is performed, the bridge portion is processed, and the workpiece is cut out .

  For example, as disclosed in Patent Document 1, it is known that such wire electric discharge machining is realized by computer control.

JP-A-7-235539

  However, in the conventional wire electric discharge machine, as described in Patent Document 1, the shape and distance are designated by a program, and machining is performed as designated.

  As a program, it can be considered that the processing in the bridge portion can be easily finished by executing in the same manner as the other portions. However, if the bridge part is machined under the same machining conditions, a linear irregularity trace (hereinafter referred to as “nose”) on the boundary between the finished part and the bridge part, or a secondary near the boundary between the bridge part and the workpiece. A discharge mark is generated, and it is highly possible that nonconformity is caused in the subsequent process. FIG. 10 shows an example of (a) navel and (b) secondary discharge traces. In FIG. 10 (a), the border lines 101 and 103 due to unevenness can be seen at the navel. In FIG. 10B, a secondary discharge mark 105 can be seen.

  On the other hand, even if it is attempted to realize processing in the bridge part differently from other parts by a program, it is necessary to perform processing while adjusting using many instructions in order to prevent kinks and secondary discharge marks. is there. This makes it very difficult to create a program.

  Therefore, an object of the present invention is to provide an automatic adjustment processing method and the like that make it difficult to automatically generate kinks and secondary discharge marks.

  A first aspect of the present invention is an automatic adjustment processing method in an electric discharge machine that performs a process of cutting a workpiece from a base material, wherein the electric discharge machine executes an instruction included in a program, and the electric discharge machine A control unit that controls the operation of the machine, a setting unit that sets machining conditions, and a machining unit that cuts the workpiece from the base material in accordance with the machining conditions set by the setting unit. When a processing command is included and the control unit executes the automatic adjustment processing command, the setting unit changes the processing condition, and the processing unit executes the processing according to the change of the processing condition Including the steps of:

  A second aspect of the present invention is the automatic adjustment processing method according to the first aspect, wherein when the control unit executes the automatic adjustment processing command, the setting unit sets the normal processing conditions as the processing conditions. The machining unit starts the machining process according to the normal machining conditions, and the setting unit changes the normal machining condition to a dedicated machining condition by a change point, and the machining unit The down machining step that continues the machining according to the change, and the setting unit changes the dedicated machining condition to the normal machining condition after passing the change point, and continues the machining according to the change of the machining condition. Including an up machining step.

  A third aspect of the present invention is the automatic adjustment processing method according to the second aspect, wherein the change point is at or near the boundary between the bridge portion for holding the workpiece on the base material and the workpiece. And the processing unit performs the processing according to a parameter value included in the processing condition, and the setting unit sets the parameter value, and includes at least one of the dedicated processing conditions. The values of the two parameters are closer to the non-operating state than the values of the parameters included in the normal machining conditions.

  A fourth aspect of the present invention is the automatic adjustment processing method according to the second or third aspect, wherein the processing unit performs the processing according to a parameter value included in the processing conditions, and a user Is provided with an input unit for inputting in advance the value of the parameter included in the dedicated machining condition, and the parameter value included in the dedicated processing condition is set to the parameter value input to the input unit in the automatic adjustment processing command. And the parameter value specified by the command exists.

  A fifth aspect of the present invention is the automatic adjustment processing method according to any one of the first to fourth aspects, wherein the processing is performed twice or more, and the control unit performs rough processing. When the automatic adjustment processing command is executed in a process, the setting unit changes the processing condition, the processing unit executes the processing according to the change of the processing condition, and the control unit When the automatic adjustment processing command is executed in a processing step after rough processing, the setting unit includes a post-processing step in which the processing unit executes processing on the workpiece without changing the processing conditions. It is a waste.

  A sixth aspect of the present invention is an electric discharge machine that performs a process of cutting a workpiece from a base material, and the electric discharge machine controls the operation of the electric discharge machine by executing instructions included in a program. A processing unit for cutting the workpiece from the base material according to the processing conditions set by the setting unit, and the control unit executes the automatic adjustment processing command In addition, the setting unit includes a step of changing the processing condition, and the processing unit executes the processing according to the change of the processing condition.

  According to a seventh aspect of the present invention, there is provided an electric discharge machine for machining a workpiece from a base material by a program combining one or more instructions included in an instruction set, wherein the instructions included in the instruction set include Starts the machining according to the normal machining conditions, changes the normal machining conditions to the dedicated machining conditions until the change point, and continues the machining, and after passing the change point, the normal machining conditions are changed to the normal machining conditions. It includes a command for changing to the processing conditions and continuing the processing.

  In the present invention, the change between the normal processing condition and the dedicated processing condition may be changed stepwise by increasing or decreasing parameters or the like, for example.

  According to each aspect of the present invention, by preparing an instruction for realizing machining in the bridge portion in an electric discharge machine, a program is created using this instruction to easily create a chin and secondary discharge trace. It can be made difficult to occur automatically. That is, when this command is executed, the bridge portion is machined while automatically changing the machining conditions. The creator of the program can concentrate on studying conditions that are less likely to generate kinks and secondary discharge marks, and can easily realize the program.

  Further, according to the second aspect of the present invention, for example, the normal machining condition is a machining condition for a portion other than the bridge portion, and the dedicated machining condition is a condition for which it is difficult to generate a chin or a secondary discharge mark, and the setting unit For example, by gradually changing the machining condition from the normal machining condition to the dedicated machining condition by the vicinity of the boundary between the bridge part and the workpiece, it becomes difficult to generate kinks and secondary discharge traces, and then the normal machining from the dedicated machining condition. The quality of processing can be ensured by changing to the conditions stepwise and continuing the processing in the bridge portion under the normal processing conditions. Similarly, the setting unit changes, for example, the machining condition from the normal machining condition to the dedicated machining condition step by step from the state where machining is performed in the bridge part under normal machining conditions to the vicinity of the boundary between the bridge part and the workpiece, By changing the dedicated machining conditions to the normal machining conditions step by step, it is possible to make it difficult for kinks and secondary discharge marks to occur.

  Furthermore, according to the third aspect of the present invention, by changing the conditions based on the boundary between the bridge portion and the workpiece where the kinks and secondary discharge marks are likely to occur or in the vicinity thereof, these occurrences can be prevented. Can do. Furthermore, for example, when machining larger as a certain parameter increases, this parameter can be temporarily reduced in the vicinity of the boundary between the bridge part and the workpiece to easily prevent kinks and secondary discharge traces. Can do.

  Furthermore, according to the fourth aspect of the present invention, by facilitating two types of instructions in the electric discharge machine, it is also possible to set the value of the parameter of the dedicated machining condition by the instruction in the program, It is also possible to set parameters in the actual machining field.

  Furthermore, according to the fifth aspect of the present invention, even if it is a program containing the same instruction, the occurrence of kinks and secondary discharge traces can be prevented by changing the machining conditions at the roughing process stage. In the subsequent steps, it is possible to achieve the same finishing state as other parts without changing the processing conditions. Therefore, a program can be easily created.

It is a block diagram which shows the outline | summary of the electric discharge machine 1 which concerns on the Example of this invention. It is a flowchart which shows an example of operation | movement of the electric discharge machine 1 of FIG. An example of a program using the M114 command is shown. An example of a program using the M116 command is shown. An example of the screen display regarding an ACO processing parameter is shown. It is a flowchart which shows an example of a process of M114 control. It is a flowchart which shows an example of a process of M116 control. After the bridge portion is cut off, the cross-sectional shape measurement result of failure determination is shown. The cross-sectional shape measurement result of the pass judgment is shown after the bridge part is cut off. It is a figure which shows an example of (a) thigh and (b) secondary discharge trace which arose in wire electric discharge machining.

  Embodiments of the present invention will be described below with reference to the drawings. The embodiment of the present invention is not limited to the following examples.

  FIG. 1 is a block diagram showing an outline of an electric discharge machine 1 (an example of “an electric discharge machine” in the claims of the present application) according to an embodiment of the present invention. The electric discharge machine 1 processes the workpiece 3. The workpiece 3 is a plate material, and the case where the entire circumference of the outer periphery of the workpiece 11 is cut out will be described as an example. It is not possible to process the entire circumference of the workpiece uniformly. Therefore, a bridge portion 15 for holding the workpiece 11 on the base material 13 is formed. In this state, the process up to the finishing process is performed first for the parts other than the bridge part 15. Thereafter, the base material 15 and the work 11 are energized, the fall prevention process is performed, the bridge portion is processed, and the work is cut out. Hereinafter, the control in the process of cutting off the bridge portion is referred to as ACO control (Auto-Cut-Off Control). In the present invention, a command for machining the bridge portion 15 by the electric discharge machine 1 is prepared, and the ACO control is automatically performed so that the command can be included in a program for realizing the ACO control. It can be realized.

  Two types of commands for realizing ACO control (hereinafter referred to as “M code”) (an example of “automatic adjustment processing command” in the claims of the present application) are prepared. One is to set parameters in an instruction (one-shot). Hereinafter, it is referred to as M114 command. The other is that a parameter is not set in an instruction, but a parameter set by another method is used (modal). Hereinafter, it is referred to as M116 command.

  The electric discharge machine 1 includes a program storage unit 21, a parameter storage unit 23, a program setting unit 25, a parameter setting unit 27, a display device 29, a display control unit 31, an input unit 33, and a machining condition setting unit. 35 (an example of “setting unit” in the claims of the present application), a control unit 37 (an example of “control unit” in the claims of the present application), and a processing unit 39 (an example of “processing unit” in the claims of the present application).

  The program storage unit 21 stores a program for realizing ACO control. The control unit 37 controls the electric discharge machine 1 according to instructions included in this program. The program stored in the program storage unit 21 is a combination of instructions included in the instruction set in the control unit 37.

  The parameter storage unit 23 stores various parameters. This parameter includes, for example, an environment setting parameter. This can be set for each wire diameter, for example. Further, parameters for realizing machining of portions other than the bridge portion 15 (an example of “normal machining conditions” in the claims of the present application) (hereinafter referred to as “normal machining parameters”) are included. In this embodiment, in addition to the normal machining parameters, parameters for realizing ACO control (an example of “dedicated machining conditions” in the claims of the present application) (hereinafter referred to as “ACO control parameters”) are included. Hereinafter, the stepwise change from the normal machining parameter to the ACO control parameter is referred to as “lowering the machining condition”, and the stepwise change from the ACO control parameter to the normal machining parameter is referred to as “increasing the machining condition”. The ACO control parameter is set so that the degree of machining is lower than that of the normal machining parameter so that no kinks or secondary discharge traces are generated. When changing between normal machining parameters and ACO control parameters, for example, in electric discharge machining, each discharge is pulsed because it is repeatedly turned on and discharged, then turned off and then turned on. Therefore, it may be changed step by step for each one pulse. At this time, for example, the change may be made in proportion to the number of discharges, or the change may be made gradually and then the change width may be made smaller. Further, the change width may be different for each parameter.

  The program setting unit 25 and the parameter setting unit 27 set programs and parameters in the program storage unit 21 and the parameter storage unit 23, respectively.

  The display screen 29 displays information under the control of the display control unit 31. With reference to FIG. 5, a display example in the case of setting parameters will be described. The input unit 33 refers to the display on the display screen 29 and inputs program instructions and parameters.

  The machining condition setting unit 35 automatically changes the machining conditions when the control unit 37 executes the M114 command or the M116 command. The processing unit 39 processes the bridge unit 15 according to the processing conditions set by the processing condition setting unit 35.

  FIG. 2 is a flowchart showing an example of the operation of the electric discharge machine 1 of FIG. The program setting unit 25 and the parameter setting unit 27 set programs and parameters in the program storage unit 21 and the parameter storage unit 23 based on information input to the input unit 33, respectively.

  When the processing of the bridge unit is started, the control unit 37 reads the command stored in the program storage unit 21 (step ST1) and determines whether the command is for ACO control (step ST2). Whether or not the instruction is for ACO control is determined by a flag. If not an instruction for ACO control, the instruction is executed (step ST3). If it is an instruction for ACO control, the process proceeds to step ST4.

  As the instruction for ACO control, a plurality of instructions are continuously executed. Therefore, the control part 37 judges whether it is initial setting in step ST4. If it is not the initial setting, the process proceeds to step ST6. In the case of the initial setting, the control flag is turned ON, the ACO control length, which is the distance at which ACO control is performed, is acquired, and the control type (M114 command or M116 command) is acquired (step ST5). Then, the process proceeds to step ST6.

  In step ST6, it is determined whether or not the command is M114. If it is M114 command, it will be operated according to M114 command (step ST7), and it will progress to step ST9. If it is not the M114 command, the operation is performed according to the M116 command (step ST8), and the process proceeds to step ST9. In step ST9, it is determined whether or not the process has been completed. If not completed, the process returns to step ST1, and if completed, the process is terminated.

  FIG. 3 shows an example of a program using the M114 command. As shown in (a), after M114 command, the distance until the machining condition is lowered by B is set by B, and the distance until the machining condition is raised by W is set. For example, an M code is added to the entry block of the control corner and commanded, and the control corner entry side performs STEP control that gradually lowers the machining condition for each pulse at the distance set by B. At the control corner exit side, STEP control is performed to gradually increase the machining conditions for each pulse at a distance set by W. When the distance specified by B or W is larger than the block length, STEP control is performed with the block length. In the case of micro blocks, modal is used. When B or W is omitted, the block length, the fixed length, or the parameter specified value stored in the parameter storage unit 23 is used for control. (B) shows the relationship between the distance at which ACO control is performed and the corner. It should be noted that the location where the condition is raised or lowered does not have to be strictly a corner, but may be in the vicinity thereof. For example, by adjusting the values of W and B, the condition may be lowered until a little past the corner, and then the condition may be raised. Further, after the condition is lowered, the AOC machining condition may be maintained for a certain distance and the condition may be raised.

  FIG. 4 shows an example of a program using the M116 command. The M116 command sets the modal ON, and the M115 command sets the modal OFF. M115 is a single command because two M codes cannot be used in one block. As shown in (a), M116 is added to the entrance side block of the control corner, and M115 is inserted to the front block of the exit side block. The distance of the up / down control is controlled by the parameter specified value stored in the parameter storage unit 23. In this control, STEP control is performed as in FIG. (B) shows the relationship between the distance at which ACO control is performed and the corner. It should be noted that the location where the condition is raised or lowered does not have to be strictly a corner, but may be in the vicinity thereof. For example, the condition may be lowered until a little past the corner, and then the condition may be raised. Further, after the condition is lowered, the AOC machining condition may be maintained for a certain distance and the condition may be raised.

  FIG. 5 shows an example of a screen display related to ACO processing parameters. The ACO control parameters include, for example, an ACO machining SG value for controlling the feed rate, an ACO machining VG value for setting the discharge voltage, an ACO machining I value for setting the discharge current, and ON and OFF in the electric discharge machining. ACO processing OFF value that sets the OFF interval in ACO control to repeat ACO processing, ACO processing FL value that sets the jet flow rate in ACO processing in order to jet water etc. in wire current processing, and the distance to lower the processing conditions ACO machining down control length to set (distance to change to optimum condition at corner), ACO machining up control length to set distance to raise machining conditions (distance to return to normal machining conditions), etc. included. These are examples of ACO control parameters. The user can set the value of each parameter by operating the input unit 33.

  An example of STEP control will be specifically described. STEP control is a constant method for changing the processing conditions. In the AOC control of the embodiment, a method is adopted in which the difference between the AOC machining condition and the normal machining condition is changed uniformly in proportion to the movement amount. Other methods include a quadratic curve change, a weight change, and a non-linear change method for each parameter.

  In this embodiment, the command value cannot be used as a continuous value as a parameter constraint, and is quantized (step value). Therefore, for example, if the difference in processing conditions is 3 steps, the movement amount is divided into 4 (= 3 + 1), the first quarter continues with the same conditions, and the next second quarter changes by 1 step. The method of changing the conditions step by step is adopted. In the program of FIG. 3A, “M114B15000” is instructed to move 1.5 mm from the normal machining condition to change to the AOC machining condition. Here, if the normal processing condition I value is 22 and the I value of the AOC processing condition is 8 from FIG. 5, the difference is 14 (= 22−8), so 1.5 mm / (14 + 1) = It becomes 0.1 mm, and control is performed to decrease the I value by 1 every 0.1 mm movement. The same applies to the other five parameters.

  Thus, in the corner to be controlled, processing is performed under the processing conditions in which SG, VG, I, OFF, and FL are gradually adjusted based on normal processing conditions. In FIG. 3 (b), the machining condition is gradually lowered to the AOC control value at the corner entry side in the entry portion. On the exit side of the corner, the machining conditions are gradually raised and returned to normal machining conditions. The machining condition changes in the retracting portion in FIG. Note that the machining conditions can be controlled by comparing the currently selected machining conditions with the machining conditions to be lowered because the machining conditions for rough machining (1st machining) vary considerably depending on the wire diameter and plate thickness. It may be determined whether to control or not to control.

  FIG. 6 is a flowchart showing an example of processing of M114 control. FIG. 6 is repeatedly called for each pulse, for example, while the M114 control is being performed. First, the control unit 37 acquires the current machining distance (step STS1). Subsequently, it is determined whether or not it is before control (step STS2). If the step flag is 0, it is determined that control is not performed and the process proceeds to step STS3. If the step flag is other than 0, the control is started and the process proceeds to step STS6.

  In step STS3, the control unit 37 acquires the remaining block length. Then, it is determined whether or not to start control (step STS4). If the remaining block distance is shorter than the down control length, the machining distance is stored, the machining condition initial value is stored, and the step flag (control state flag) is set to 1 (step STS5). If it does not start, the process ends.

  In step STS6, the control unit 37 determines whether down control is being performed. If the step flag is 1, it is determined that down control is being performed, and the process proceeds to step STS7. If the step flag is not 1, it is determined that the up control is being performed and the process proceeds to step STS12.

  In step STS7, the control unit 37 determines the down control length. If the block length is shorter than the down control length, the down control length is set as the block length. If the block length is not shorter than the down control length, the down control length is left as it is. Then, settings are made to reduce the processing conditions (step STS9). Here, I, OFF, HS, FL, and SG are set. Then, it is determined whether or not the down control is completed (step STS10). If the down control is not finished, the process is finished. When the down control is finished, the machining distance is stored, the step flag (control state flag) is set to 2 (step STS11), and the process is finished.

  In step STS12, processing conditions are increased. The same parameters as in step STS9 are set. Then, it is determined whether or not the up control has been completed (step STS13). If the up control has not ended, the process ends. When the up control is finished, the control information is cleared, the step flag (control state flag) is set to 0 (step STS14), and the process is finished.

  FIG. 7 is a flowchart showing an example of processing of M116 control. FIG. 7 is repeatedly called for each pulse, for example, while the M116 control is performed. First, the control unit 37 acquires the current machining distance and acquires modal OFF information (step STM1). Here, since M116 is maintained until M115 is commanded, information regarding whether or not M115 is present is modal OFF information. And it is judged whether it is before control (step STM2). If the step flag is 0, the machining distance is stored, the machining conditions are stored, and the step flag (control state flag) is set to 1 (step STM3). If the step flag is not 0, the control is started and the process proceeds to step STM4.

  In step STM4, the control unit 37 determines whether or not the down control is performed. When the step flag is 1, the process proceeds to step STM5 as down control. When the step flag is not 1, the process proceeds to step STM9 as the up control.

  In step STM5, the control unit 37 performs determination regarding down control. If the machining distance is equal to or less than the sum of the machining distance memory and the down control length, the machining conditions are set to be lowered (step STM6). Here, I, OFF, HS, FL, and SG are set, and the process proceeds to step STM7. If the machining distance is not less than or equal to the sum of the machining distance memory and the down control length, the process proceeds to step STM7 without setting the machining condition down. In step STM7, it is determined whether or not the down control is finished. When M115 is executed and the M115 flag is ON, the machining distance is stored, the step flag (control state flag) is set to 2, and the process is terminated. If the M115 flag is not ON, the process is terminated.

  In step STM9, the machining condition is increased. Here, I, OFF, HS, FL, and SG are set. Then, it is determined whether or not the up control has been completed (step STM10). If the machining distance is larger than the up control length, the control information is cleared as the up control is finished, the step flag (control state flag) is set to 0, and the process is finished. If the machining distance is not greater than the up control length, the process is terminated.

  Usually, the processing is performed a plurality of times. The first machining is called rough machining. The electric discharge machine shown in FIG. 1 counts the number of times of machining, and executes M114 and M116 during rough machining while automatically adjusting parameters. On the other hand, at the time of 2nd machining or finishing machining, even if M114 or M116 is included, the machining is performed while maintaining the parameters, so that the machining is performed in a state where conditions are matched with other parts.

  FIG. 8 shows a cross-sectional curve when ACO control is not performed. (A) shows the top, (b) shows the inside, and (c) shows the bottom. A concave state has occurred and processing has failed. FIG. 9 shows a cross-sectional curve when ACO control is performed. (A) shows the top, (b) shows the inside, and (c) shows the bottom. The cross section is constant. By ACO control, kinks and secondary discharge marks are prevented.

  DESCRIPTION OF SYMBOLS 1 Electric discharge machine, 3 Workpiece member, 11 Workpiece, 13 Base material, 15 Bridge part, 21 Program storage part, 23 Parameter storage part, 25 Program setting part, 27 Parameter setting part, 29 Display screen, 31 Display control part, 33 Input unit, 35 Machining condition setting unit, 37 Control unit, 39 Machining unit, 101, 103 navel, 105 Secondary discharge trace

Claims (7)

An automatic adjustment processing method in an electric discharge machine for cutting a workpiece from a base material,
The electric discharge machine is
Executing a command included in the program to control the operation of the electric discharge machine;
A setting section for setting machining conditions;
A processing unit that performs processing to cut the workpiece from the base material according to the processing conditions set by the setting unit,
The command includes an automatic adjustment processing command,
When the control unit executes the automatic adjustment processing command, the setting unit changes the processing condition, and the processing unit executes the processing according to the change of the processing condition. . When the control unit executes the automatic adjustment processing command,
The setting unit sets normal processing conditions as the processing conditions, and the processing unit starts the processing according to the normal processing conditions,
The setting unit changes the normal machining condition to a dedicated machining condition by a change point, and the machining unit is a down machining step that continues the machining according to the change of the machining condition,
2. The automatic adjustment according to claim 1, further comprising an up-machining step in which the setting unit changes from the dedicated machining condition to the normal machining condition after the change point, and continues the machining according to the change of the machining condition. Processing method. The change point is a boundary between the bridge portion for holding the workpiece on the base material and the workpiece or the vicinity thereof,
The processing unit performs the processing according to the value of a parameter included in the processing conditions,
The setting unit sets the value of the parameter,
The automatic adjustment processing method according to claim 2, wherein a value of at least one parameter included in the dedicated processing condition is closer to a non-operating state than a value of the parameter included in the normal processing condition. The processing unit performs the processing according to the value of a parameter included in the processing conditions,
A user has an input unit for inputting in advance values of parameters included in the dedicated processing conditions,
In the automatic adjustment processing command, the parameter value included in the dedicated processing condition is
The value of the parameter input to the input unit,
The automatic adjustment processing method according to claim 2 or 3, wherein there is a parameter value designated by the command. The processing is performed twice or more,
When the control unit executes the automatic adjustment processing command in the roughing process, the setting unit changes the processing condition, and the processing unit executes the processing according to the change of the processing condition. Processing steps;
When the control unit executes the automatic adjustment processing command in a processing step after roughing, the setting unit does not change the processing condition and the processing unit executes processing on the workpiece. The automatic adjustment processing method according to claim 1, comprising a processing step. An electric discharge machine that cuts a workpiece from a base material,
The electric discharge machine is
A control unit that executes instructions included in the program to control the operation of the electric discharge machine;
A setting section for setting machining conditions;
A processing unit that performs processing to cut the workpiece from the base material according to the processing conditions set by the setting unit,
When the control unit executes the automatic adjustment processing command, the setting unit changes the processing condition, and the processing unit includes a step of executing the processing according to the change of the processing condition. An electric discharge machine that cuts a workpiece from a base material by a program that combines one or more instructions included in an instruction set;
The instructions included in the instruction set include
Start the processing according to normal processing conditions,
Until the change point, change the normal machining conditions to dedicated machining conditions and continue the machining,
An electric discharge machine including a command for changing the dedicated machining condition to the normal machining condition and continuing the machining after the change point is passed.