JPH03230879A - Method and device for controlling output of laser beam machine - Google Patents

Abstract

PURPOSE:To make an actual output value coincident with a desired output value by inputting a correction output command showing an obtained correction instruction output value as an instruction output value to a laser beam device and outputting a laser beam having a specified output value in the form to correspond to the correction instruction output value. CONSTITUTION:The output of the laser beam having the specified instruction output value PR is commanded to an oscillator control part 15 and the actual output value of the emitted laser beam is measured and an instruction output value correction table TBL is prepared in the form to obtain the relation with the instruction output value PR commanded to the oscillator control part 15. At the time of machining, the correction instruction output value PC' is then determined based on the correction table TBL for the desired output value PC commanded to a correction instruction output value determination part 20 and the correction output command showing this as the output value is inputted to the oscillator control part 15. The laser beam device 11 is controlled so that the actual output value of the laser beam is coincident with the desired output value PC commanded to the correction instruction output value determination part 20.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to an output control method and an output control device for a laser processing machine having a laser device that outputs laser light with a predetermined output value.

(b), Prior Art Conventionally, in a laser processing machine, in order to output a laser beam with a desired output value, an output command is issued that indicates the output of the laser beam and the desired output value as a commanded output value. (voltage signal with a voltage value proportional to the desired output value) is input to the laser device, and then the actual output value of the laser beam is adjusted to the desired output value by feedback control of the laser device. It is controlled to match.

(C) 8 Problems to be Solved by the Invention However, in this case, when the output characteristics of the laser beam are unique such as enhanced pulses, the actual output value of the laser beam cannot be changed to the desired output value. In some cases, the actual output value of the laser beam cannot be made to match the desired output value because the reflected light acts as a disturbance in the feedback control. For example, when cutting an aluminum workpiece using a laser processing machine, a sensor detects a value larger than the actual output value due to light reflected from the workpiece, and feedback control is performed based on the value detected by the sensor. This causes problems such as the actual output value of the laser beam being lower than the expected output value, making it impossible to cut the workpiece.

In view of the above circumstances, an object of the present invention is to provide an output control method and an output control device for a laser processing machine that can suitably match the actual output value of a laser beam to a desired output value. do.

(d) Means for Solving the 6 Problems The present invention provides a method for outputting the specified output value (P) when an output command indicating the output value (P) of a laser beam is input. A laser device (11
) in a laser processing machine (1) having a command output value (Pi+) indicated in the output command and the command output value (P
The relationship between the actual output value (RPR) of the laser beam corresponding to ×) was created in advance as indicated output value correction information (position), and the desired output value (PC□) was indicated during processing. When a desired output command is input, the actual output value (RP) of the laser beam is changed to the desired output value ( pc,)
The commanded output value (p,,,') that can be made to match with is determined as the corrected commanded output value (P.'), and the output of the laser beam is commanded, and the determined corrected commanded output value (pc,') is A correction output command indicated as an instruction output value (pcffi') is input to the laser device (11), and the correction instruction output value (pc1') indicated in the correction output instruction is output from the laser device (11). A predetermined output value (RP
It is configured to output a laser beam of c').

Further, the present invention provides that, when an output command that commands the output of a laser beam and indicates a commanded output value (P) is input, the output command outputs the command in a form corresponding to the commanded output value (P) indicated in the output command. In a laser processing machine (1) having a laser device (11) that outputs a laser beam with a predetermined output value (RP), a commanded output value (PR) indicated in the output command and the commanded output value (PR) Actual output value (RPR) of the laser beam corresponding to
An instruction output value correction information storage means (22) is provided for storing the relationship between the two as instruction output value correction information (TBL), and an intended output command indicating an intended output value (p c,) is input. and an instruction that allows the actual output value (RP) of the laser beam to match the desired output value (p am) indicated in the desired output command, based on the instruction output value correction information (position). Output value (pc,.

') is determined as a correction command output value (pc-1), and the output of the laser beam is commanded, and the water-filled correction command output value (pc,,') is indicated as a command output value (pcm'). It is constructed by providing an instruction output value correction means (20) for outputting an output instruction to the laser device (11).

Note that the numbers in parentheses are for convenience and indicate corresponding elements in the drawings, and therefore, this description is not limited to the descriptions on the drawings. r (e) below
The same applies to the column ``, action''.

(e) 1 Effect With the above configuration, the actual output value of the laser beam (RPc
-') corresponds to the desired output value (pc, m).

=7 (f), Example Hereinafter, the present invention will be described in detail based on the drawings.

FIG. 1 is a diagram showing an example of a laser processing machine to which the present invention is applied. FIG. 2 is a block diagram showing a control device of the laser processing machine shown in FIG. 1. FIG. 3 is a diagram showing an instruction output value correction. A flowchart showing an example of a table creation program, FIG. 4 is a diagram showing an example of the relationship between the instructed output value input to the laser device and the actual output value of the laser beam, and FIG. 5 is an instruction output value correction A diagram showing an example of a table, FIG. 6, shows the expected output value input to the correction instruction output value determination section,
FIG. 7 is a diagram showing an example of the relationship between the correction instruction output value output from the correction instruction output value determination section and the actual output value of the laser beam. The figure which shows the relationship with an output value.

Fig. 8 is a diagram showing another example of the relationship between the command output value input to the laser device and the actual output value of the laser beam, and Fig. 9 shows that the intended output value is the actual output value. FIG. 7 is a diagram showing the relationship between the expected output value and the actual output value of laser light when the output value is larger than the maximum value.

A laser processing machine 1 to which the present invention is applied, as shown in FIG. It is provided so as to be freely movable and driven in the directions of arrows A and B. Also,
A column 5 is provided on the machine body 2 so as to straddle the table 3 on the machine body 2, and a saddle 7 is provided on the column 5 so as to be freely movable and driven in the directions of arrows C and D, which are the Y-axis directions. It is being Then, on the saddle 7, the processing head 9 is
It is provided so as to be freely movable and driven in the directions of arrows E and F, which are the axial directions, and a torch 10 is provided at the tip of the processing head 9 on the table 3 side.

Further, as shown in FIG. 2, the laser processing machine 1 includes a laser device 11 that includes a laser oscillator 12, a sensor 13, an oscillator control section 15, a power meter 16, etc., and is capable of emitting a laser beam from the torch 10. It is set in the form.

Further, the laser processing machine 1 has a main control section 17,
The main control section 17 includes a correction instruction output value determining section 20 , an instruction output value correction table creation section 21 , an instruction output value correction table memory 22 , and a system program memory 23 via a bus line 19 .
, a computer program memory 25, a processing control section 26, etc. are connected thereto.

An oscillator control section 15 of the laser device 11 is connected to the correction instruction output value determining section 20, and a laser oscillator 12 is connected to the oscillator control section 15. The instruction output value correction table creation section 21 also includes a laser device 11.
A power meter 16 is connected to the oscillator control section 15 of the laser oscillator 1.
A sensor 13 is connected that can measure the actual output value RP of the laser beam output from the laser beam.

Since the laser processing machine 1 has the above-described configuration, when processing is performed using the laser processing machine 1, an instruction output value correction table is created prior to processing. That is, the main control section 17 outputs a table creation command signal to the instructed output value correction table creation section 21 based on a command from the operator.

Upon receiving the table creation command signal from the main control unit 17, the instructed output value correction table creation unit 21 stores the table creation command signal in the system program memory 23.
From the command output value correction table creation program IO shown in FIG.
P is read and the specified output value correction table creation program IO
Based on P, the output command (
A commanded output value P indicated by a voltage signal having a voltage value proportional to the commanded output value P (k (constant) times the commanded output value P);
A command output value correction table is created that shows the relationship between the command output value P and the actual output value RP of the laser beam output in a form corresponding to the command output value P.

First, in step STI, an initial value II O# is set to a set value PR that will later be an instruction output value, and step ST2
The set value PR is increased by a predetermined increase amount ΔP l+. Then, in step ST3, the finger 11-water output value correction table creation section 21 instructs the oscillator control section 15 of the laser device 11 to output the laser beam, and also indicates the set value PR1rrΔP'''' as the instructed output value. output command (a voltage signal with a voltage value twice the set value P1□, etc.). Then, the oscillator control section 15 controls the laser oscillator 1.
2 outputs laser light. That is, the laser oscillator 12
From there, a predetermined output value RPR
laser light is output, but the instructed output value PRY and the actual output value RPR□ do not necessarily match (the actual output value R
P is not proportional to the voltage value of the voltage signal input to the laser device 11). For example, in the case shown in FIG. 4, the command output value P indicated in the output command input to the oscillator control section 15
As becomes larger, the actual output value RP of the laser beam output from the laser oscillator 12 according to the specified output value P increases.
becomes smaller than the designated output value P.

Then, in step ST4 of FIG. 3, when a predetermined time has elapsed by the timer and the laser beam output=12-value RP has stabilized, step ST5 is entered, and the instructed output value correction table creation section 21 calculates the sensor 1. 3. Measure the actual output value RP a of the laser beam output from the laser oscillator 12 via the power meter 16 . and,
In step ST6, the measured actual output value RP R□ and the instruction indicated in the output command output to the oscillator control section 15 are added to the sample number N111 II of the instruction output value correction table shown in FIG. The output value (setting value set in step ST2) Pit is registered in a corresponding form.

Then, in step ST7 in FIG. 3, it is determined whether or not the set value (instruction output value) PR has reached a predetermined maximum value PR□, 8, and the creation of the command output value correction table is completed. If the (instruction output value) PR is not the maximum value P*vat, the process returns to step ST2, and in the same way, the instruction output value correction table creation unit 21 increases the set value P'n by the amount of increase.
Increase ΔP II and set the corresponding setting value PR2 (PR□
The oscillator control unit 1 outputs an output command (a voltage signal with a voltage value twice the set value PR2, etc.) with the command output value set to
5, and measures the actual output value RPR□ of the laser beam output from the laser oscillator 12 in a form corresponding to the specified output value PR2, and outputs the specified output value Pa2 and the actual output value RPR2 as an instruction. Sample number N1 of value correction table
12”.

In this way, the command output value correction table creation unit 21 commands the output of the laser beam while increasing the set value PR, which is the command output value, by the predetermined increase amount ``'ΔP'' up to the maximum value PR□, 8. An output command indicating each set value PR as a command output value (such as a voltage signal with a voltage value twice that of the set value PR) is output to the oscillator control unit 15, and the laser oscillator 12 is outputted in response to each command output value PR. The laser device 11 A commanded output value correction table is created that shows the relationship between the commanded output value P input into the input field and the actual output value RP of the laser beam.

Once the instructed output value correction table is created, the process proceeds from step ST7 to step ST8, and the instructed output value correction table is stored in the instructed output value correction table memory 22. Further, the instruction output value correction table creation section 21 outputs a table creation completion signal to the main control section 17.

Upon receiving the table creation completion signal, the main control unit 17 reads out the cannibal program PRO from the cannibal program memory 25 based on a command from the operator, and sends the table 3, saddle 7, and machining head via the machining control unit 26. 9 is appropriately moved and driven based on the above-mentioned cannibal program PR○. Also,
A laser beam is outputted from the laser device 11 via the correction instruction output value determination unit 20, and the workpiece placed on the table 3 is processed by the laser beam emitted from the torch 10.

That is, the main control unit 17 determines the appropriate output value of the laser beam based on the cannibal program PRO, and sets the desired output value P.
The correction instruction output value determining unit 2o corrects the desired output instruction indicating ew.
Output for. Then, 15- the correction instruction output value determination unit 20 uses the instruction output value correction table T
Based on BL, an output command is input to the laser device 11 in order to make the actual output value RP of the laser beam output from the laser oscillator 12 match the desired output value PCm indicated in the desired output command. Correction instruction output value P to be instructed at
. 1' is determined.

That is, the correction instruction output value determination unit 20 determines the desired output value P indicated in the desired output instruction from the instruction output value correction table in the instruction output value correction table memory 22. , and search for the actual output value RPc' with the same value as , and find the actual output value Rp, ,
The instruction output value PCm' corresponding to ' is read out, and the instruction output value P that is read out is read out. ' is determined to be the value to be input to the laser device 11, that is, the correction instruction output value. At this time, the correction instruction output value determination section 20 selects data that is not registered in the instruction output value correction table, that is, data that was not measured when the instruction output value correction table creation section 21 created the instruction output value correction table. For data interpolation. Then, if the relationship between the instructed output value P input to the laser device 11 and the actual output value RP of the laser beam is as shown in FIG. The relationship between the period output value P0 and the correction instruction output value PC' corresponding to the desired output value PC is as follows.
As shown in FIG. 6, as the desired output value Pc becomes larger, the correction instruction output value Pc' becomes the desired output value P. becomes larger than The relationship between the intended output value P0 and the correction instruction output value Pc' in FIG. 6 is the instruction output value P0 in FIG.
In the relationship between the actual output value RP and the actual output value RP, the actual output value RP
is replaced with the desired output value PC, and the command output value P is corrected command output value P. ′.

Then, the correction instruction output value determination unit 20 issues a correction output command (correction instruction output A voltage signal with a voltage value twice that of the value P., ') is output to the oscillator control section 15 of the laser device 11.

Then, the oscillator control unit 15 outputs a predetermined output value RP from the laser oscillator 12 in a form corresponding to the instruction output value indicated in the input correction output command, that is, the correction instruction output value Pc*'.
outputs laser light. At this time, the relationship between the intended output value P0 in FIG. 6 in the correction instruction output value determination unit 2o and the correction instruction output value Pc' in FIG. Since the relationship of the output value RP is reversed, as shown in FIG. and the actual output value RP c ′ of the laser beam output from the laser oscillator 12 of the laser device 11 match.

Therefore, the actual output value RPC,' of the laser beam output from the laser oscillator 12 matches the expected output value Pc, which is determined to be appropriate based on the cannibal program PR○, so that the workpiece is Processing is preferably performed using a laser beam with a desired output value PC.

That is, without going through the correction instruction output value determination unit 20, an output command (a voltage signal with a voltage value twice the desired output value Paw, etc.) is sent to the oscillator with the desired output value PC as the specified output value. When input to the control unit 15, the actual output value RP, ゎ of the laser beam output from the laser oscillator 12 does not match the expected output value Pq, which is set as the instructed output value. For example, in the case shown in FIG. 4, the actual output value Rpc is lower than the expected output value PCm. However, in the correction output command inputted to the oscillator control unit 15 via the correction instruction output value determining unit 20, in anticipation of a decrease in the actual output value RP,
As shown in FIG. 6, the desired output value P is set in advance. Correction instruction output value P that is larger than □ by a predetermined amount. Since this is the designated output value, the actual output value RPCm' of the laser beam output from the laser oscillator 12 can be made to match the intended output value PC, as shown in FIG. 4, without feedback control. I can do it.

During processing, the laser device 11 is not subjected to feedback control, and the oscillator control section 15 controls the correction instruction output value P.
Since the laser oscillator 12 is controlled based on Cm', even if the work to be processed is made of aluminum or other material that easily reflects laser light and the reflected light is received by the sensor 13, the disturbance of the control 19- of the laser oscillator 12 will not occur. It does not act as a Therefore, the actual output value RP of the laser beam output from the laser oscillator 12 does not decrease unlike when the laser device 11 is feedback-controlled, and the actual output value RP of the laser beam
' always matches the desired output value P0 determined to be appropriate based on the cutting program PRO, so the workpiece can be machined suitably.

Furthermore, even if the laser device 11 has unique output characteristics such as an enhanced pulse, the actual output value RP c ' can be made to match the intended output value Pc.

In the above embodiment, the characteristics of the laser device 11 to which the present invention is applied are determined by the actual output value RP as shown in FIG.
is smaller than the commanded output value P, but the present invention can be applied even when the characteristics of the laser device 11 are not as shown in FIG. can be made to match. That is, the laser device 11
As shown by the solid line in Fig. 8, the characteristics of the actual output value 2
0 When RP is larger than the instructed output value P (in the case of Fig. 8, the maximum value RP of the actual output value RP, ... and the maximum value P□8 of the instructed output value P match) ), if the present invention is not applied and an output command is input to the laser device 11 with the intended output value Pc1 as the instructed output value, the actual output value RPc of the laser beam will be smaller than the intended output value Pcm. However, by applying the present invention and creating a commanded output value correction table in a form corresponding to the characteristics of the laser device 11 shown in FIG. 8, based on the commanded output value correction table.

In the correction output command input to the laser device 11, the expected output value P is set in advance in anticipation of an increase in the actual output value RP.
Correction instruction output value P smaller than C11 by a predetermined amount. 9′
is taken as the commanded output value, so the actual output value RPC,' of the laser beam can be made to match the intended output value Pcm, as shown by the two-dot chain line in the figure, even without feedback control.

Furthermore, in the above-described embodiment, a case has been described in which the intended output value P0 is smaller than the maximum value RP, 8 of the actual output value RP of the laser beam. is larger than the maximum value RP of the actual output value RP of the laser beam, that is, the expected output value P Cart~P shown in FIG.
In the case of Ca+ax, the actual output value RP of the laser beam
is constant at the maximum value RP□,8.

Further, in the above-described embodiment, when the instructed output value correction table creation section 21 creates the instructed output value correction table TBL, the output value RP when the laser beam is output from the laser oscillator 12 is measured by the sensor 13. Laser oscillator 1
2, the relationship between the actual output value RP of the laser beam and the commanded output value P commanded to the oscillator control section 15 has been described. The output value of the laser beam emitted from the torch 10 may be measured to determine the relationship between the actual output value of the laser beam in the torch 10 and the commanded output value P commanded to the oscillator control unit 15.

That is, in the laser processing machine 1, the laser beam output from the laser oscillator 12 passes through a predetermined optical path and reaches the torch 10.
However, due to dirt on the optical path, the output value of the laser beam emitted from the torch 10 may be lower than the output value when output from the laser oscillator 12.

Therefore, as shown in FIG. 1, the laser processing machine 1 is provided with a sensor 6 that can measure the output value of the laser beam emitted from the torch 10 (the sensor 6 is not used during processing). Therefore, when creating the command output value correction table TBL by the command output value correction table creation unit 21, the laser beam output of the predetermined command output value PR is sent to the oscillator control unit 15. At the same time, the actual output value of the laser beam emitted from the torch 10 is measured via the sensor 6, and the actual output value of the laser beam emitted from the torch 1o and the oscillator control section are determined. An instruction output value correction table is created by determining the relationship between the instruction output value P and the instruction output value P instructed in step 15.

During processing, a correction instruction output value P is determined based on the instruction output value correction table for the desired output value PC instructed to the correction instruction output value determining section 20. ′
By determining the correction output value PC' and inputting a correction output command indicating the correction instruction output value PC' as the instruction output value to the oscillator control unit 15, the actual output value of the laser beam emitted from the torch 10 can be determined by The laser device 1 is adjusted to match the desired output value Pc instructed to the correction instruction output value determination unit
1 may be controlled.

(g) 1. Effects of the Invention As explained above, according to the present invention, when an output command that commands the output of a laser beam and indicates a commanded output value P is input, the output command indicated in the output command In a laser processing machine 1 having a laser device 11 that outputs a laser beam of a predetermined output value RP in a form corresponding to an instruction output value P, the instruction output value P1 indicated in the output command and the instruction output value P are
The relationship between the actual output value RP of the laser beam corresponding to R and R is created in advance as instructed output value correction information such as indicated output value correction table, etc., and the expected 24-output value PCffi is set at the time of processing. When the indicated desired output command is input, the actual output value RP of the laser beam is made to match the desired output value Pc2 indicated in the desired output command based on the indicated output value correction information. The command output value P that can be set. , ' are determined as correction instruction output values, and a correction output instruction is inputted to the laser device 11, which instructs the output of the laser beam and indicates the obtained correction instruction output values PC,' as the instruction output values. , a correction instruction output value P from the laser device 11 indicated in the correction output instruction. Since the configuration is configured to output a laser beam of a predetermined output value RPo□' in a form corresponding to □', the actual output value RPcffi' of the laser beam is the intended output value P. 0. That is, since the output value RP of the laser beam is controlled without performing feedback control of the laser device 11, it is possible to obtain an appropriate output value RP even when the output characteristic of the laser beam is unique such as an enhanced pulse. Furthermore, disturbances such as reflected light do not occur.

Therefore, even when cutting an aluminum workpiece or the like with the laser processing machine 1, the actual output value RPC of the laser beam is prevented from lowering than the expected output value Pc, and the workpiece can be processed suitably. I can do it.

Further, in the present invention, when an output command that commands the output of a laser beam and indicates a command output value P is input, a predetermined output value is set in a form corresponding to the command output value P shown in the output command. In a laser processing machine 1 having a laser device 11 that outputs a laser beam of RP, the difference between the instructed output value PR indicated in the output command and the actual output value RP of the laser beam corresponding to the instructed output value PR is determined. The relationship is shown in the indicated output value correction table T.
An instruction output value correction information storage means such as an instruction output value correction table memory 22 or the like is provided to store instruction output value correction information such as BL, and the desired output value P is stored. When a desired output command indicating 1 is input, the actual output value RP of the laser beam is changed to the desired output value Pc indicated in the desired output command based on the instruction output value correction information. A command output value pcm' that can be matched is determined as a correction command output, and a correction output command that commands the output of laser light and indicates the determined correction command output value PCm' as a command output value is sent to the laser device 1. Since the configuration is provided with an instruction output value correction means such as a correction instruction output value determining unit 20 to be outputted to the laser beam, by instructing the correction instruction output value determination means the desired output value Pc regarding the output of the laser beam, the appropriate output value can be determined. Correction instruction output value P. A correction output command with Pc' as the instruction output value is input to the laser device 11, and the laser device 11 outputs it in a form corresponding to the correction instruction output value Pc'.
The actual output value RP c ' is the intended output value P. It is possible to output a laser beam that matches the . Therefore, even without feedback control of the laser device 11, the output value RPC' of the laser beam suitably matches the desired output value PC. Therefore, an appropriate output value RP can be obtained even when the output characteristics of the laser beam are unique, such as enhanced pulses. In addition, since there is no disturbance such as reflected light, even when cutting aluminum work etc. with the laser processing machine 1, the actual output value RP,' of the laser beam is lower than the expected output value Pc. This prevents such occurrences and allows the workpiece to be processed suitably.

[Brief explanation of drawings]

Fig. 1 is a diagram showing an example of a laser processing machine to which the present invention is applied; Fig. 2 is a block diagram showing a control device of the laser processing machine shown in Fig. 1; Fig. 3 is a diagram showing instruction output value correction. Flowchart showing an example of a table creation program. FIG. 4 is a diagram showing an example of the relationship between the instructed output value input to the laser device and the actual output value of the laser beam. FIG. 5 is a diagram showing an example of an instruction output value correction table, and FIG. 6 is a diagram showing an example of an instruction output value correction table, and FIG.
FIG. 7 is a diagram showing an example of the relationship between the correction instruction output value output from the correction instruction output value determination section and the actual output value of the laser beam. The figure which shows the relationship with an output value. FIG. 8 is a diagram showing another example of the relationship between the command output value input to the laser device and the actual output value of the laser beam. FIG. 9 is a diagram showing the relationship between the expected output value and the actual output value of the laser beam when the expected output value is larger than the maximum value of the actual output value of the laser beam. l...Laser processing machine 1 11...Laser device 20...Instruction output value correction means (correction instruction output value determination section) 22...Instruction output value Correction information storage means (instruction output value correction table memory) TBL...Instruction output value correction information (instruction output value correction table) P...Instruction output value PC...Intended Output value pc...Correction instruction output value RP...Actual output value

Claims (2)

[Claims] (1) When an output command that commands the output of a laser beam and indicates a commanded output value is input, the laser light of a predetermined output value is output in a form corresponding to the commanded output value indicated in the output command. In a laser processing machine having a laser device that outputs, the relationship between the commanded output value indicated in the output command and the actual output value of the laser beam corresponding to the commanded output value is created in advance as commanded output value correction information. Then, during processing, when a desired output command indicating a desired output value is input, the actual output value of the laser beam is adjusted to the desired output command based on the indicated output value correction information. An instruction output value that can be matched with the indicated desired output value is obtained as a correction instruction output value, and a correction output command that instructs the output of the laser beam and indicates the obtained correction instruction output value as the instruction output value. is input to the laser device, and the laser device outputs laser light of a predetermined output value in a form corresponding to the correction instruction output value indicated in the correction output command. Machine output control method. (2) When an output command that commands the output of a laser beam and indicates a commanded output value is input, the laser light of a predetermined output value is output in a form corresponding to the commanded output value indicated in the output command. In a laser processing machine having a laser device that outputs, the relationship between the commanded output value indicated in the output command and the actual output value of the laser beam corresponding to the commanded output value is stored as commanded output value correction information. Instruction output value correction information storage means is provided, and when a desired output command indicating a desired output value is input, the actual output value of the laser beam is adjusted to the desired output value based on the instruction output value correction information. A commanded output value that can be matched with the intended output value indicated in the output command is determined as a corrected commanded output value,
Output control of a laser processing machine configured by providing an instruction output value correction means for instructing the output of a laser beam and outputting a correction output command indicating the obtained correction instruction output value as an instruction output value to the laser device. Device.