WO2021250144A2 - Procédé pour faire fonctionner une installation d'usinage de pièce, et installation d'usinage de pièce - Google Patents

Procédé pour faire fonctionner une installation d'usinage de pièce, et installation d'usinage de pièce Download PDF

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Publication number
WO2021250144A2
WO2021250144A2 PCT/EP2021/065555 EP2021065555W WO2021250144A2 WO 2021250144 A2 WO2021250144 A2 WO 2021250144A2 EP 2021065555 W EP2021065555 W EP 2021065555W WO 2021250144 A2 WO2021250144 A2 WO 2021250144A2
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
machining
tool
variable
type
Prior art date
Application number
PCT/EP2021/065555
Other languages
German (de)
English (en)
Other versions
WO2021250144A3 (fr
Inventor
Jonathan KAISER
Sven Wirth
Sergey Martynenko
Original Assignee
Homag Plattenaufteiltechnik Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Homag Plattenaufteiltechnik Gmbh filed Critical Homag Plattenaufteiltechnik Gmbh
Priority to EP21733084.4A priority Critical patent/EP4165479A2/fr
Publication of WO2021250144A2 publication Critical patent/WO2021250144A2/fr
Publication of WO2021250144A3 publication Critical patent/WO2021250144A3/fr

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4065—Monitoring tool breakage, life or condition
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/36—Nc in input of data, input key till input tape
    • G05B2219/36291—Cutting, machining conditions by empirical equation, like tool life
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/37—Measurements
    • G05B2219/37252—Life of tool, service life, decay, wear estimation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/45—Nc applications
    • G05B2219/45234—Thin flat workpiece, sheet metal machining

Definitions

  • the invention relates to a method for operating a workpiece machining system and to a
  • DE 102017 103 867 A1 discloses a method for operating a machine tool in which, during a machining process, a process variable, for example a feed rate, a process response resulting from the machining process on the workpiece, For example, an optical quality, a variable that characterizes the workpiece type of the workpiece used, for example a material, and a time variable of the tool, for example a previous operating time, can be linked to form a data record.
  • a process variable for example a feed rate
  • a process response resulting from the machining process on the workpiece For example, an optical quality, a variable that characterizes the workpiece type of the workpiece used, for example a material, and a time variable of the tool, for example a previous operating time, can be linked to form a data record.
  • the object of the present invention is to create a method and a device which the flexibility in the operation of a
  • a reference machining process is defined by predetermined reference process variables (that is, values that characterize the reference machining process) and defined, predetermined reference workpiece sizes (that is, values that correspond to the reference machining process used in the reference machining process). Characterize workpiece).
  • predetermined reference process variables that is, values that characterize the reference machining process
  • predetermined reference workpiece sizes that is, values that correspond to the reference machining process used in the reference machining process. Characterize workpiece).
  • Various variables that can be detected, for example, by sensors, that are detected or determined during and / or after the reference machining operation and that are a reaction or response to the reference machining operation carried out come into question as a process response.
  • this basic inventive idea is used to determine a current tool state.
  • the following method steps are carried out: Providing a reference relationship which links a process response with a tool status during a reference machining operation; Machining a workpiece of a first workpiece type with a tool of a first tool type in a normal machining process; Machining a workpiece of a reference workpiece type with the tool and with reference process variables in a reference machining operation; Determining a process response during and / or after the reference processing operation; and determining a current tool status from the process response by means of the reference relationship.
  • the reference relationship can, for example, be created in advance for a tool of a tool type, for example in a laboratory, or it is created during ongoing operation of the workpiece machining system at the beginning, so to speak when "running in” Tool a machining operation with the tool with the Reference process variables are carried out on the reference workpiece and the tool condition is determined after each machining process, for example by means of an optical control, and assigned to the process response recorded during and / or after the machining process.
  • the process response can be used directly as a standardized characteristic value or indirectly for the formation of a standardized characteristic value ("reference variable") for the condition of the tool in a firmly defined reference machining operation, and it can be used at any point in the life cycle of the tool by performing the Reference machining process, the current tool status can be determined.
  • normal machining must be interrupted by means of normal machining processes so that the reference machining process can be carried out on a workpiece of the reference workpiece type and with the reference process variables. This can be planned automatically by a corresponding control and regulating device of the workpiece machining system, so that manual intervention by a user is not necessary.
  • the process response can be a quantity that characterizes a machining quality on a reference workpiece after a reference machining operation, or a quantity that characterizes a power consumption of a tool drive and / or a feed drive of a tool carriage during a reference machining operation, or a quantity , the one Vibration excitation of the tool, the workpiece and / or a section of the workpiece machining system during a reference machining process, or be a variable that characterizes a sound emission generated by a reference machining process.
  • These variables can be recorded automatically and easily with common and inexpensive sensors.
  • an image recording device can be used which, for example in the case of a workpiece processing system in the form of a saw, records and automatically assesses the quality of the edge produced during the sawing process.
  • the basic inventive idea is expanded in a second variant of the method, specifically in such a way that the normal machining processes do not have to be interrupted and a reference machining process has to be carried out.
  • a prerequisite for this is that a first relationship is provided which links a variable that characterizes a machining performance performed by a tool of a first tool type in a workpiece of a first workpiece type with a reference variable.
  • This relationship can, for example, be created in advance, in particular in a laboratory, by performing both machining operations on a normal workpiece of the first workpiece type that is actually to be machined and with certain process variables is carried out, and immediately after or before a reference processing operation is carried out, during or after which a process response is recorded or determined, which then forms the said reference variable or leads to it.
  • point in time in the present case does not usually have the unit of a time, but rather characterizes the machining performance of the tool up to that point.
  • a value of the reference variable in or after a current machining operation in which a workpiece of the first workpiece type is machined with a tool of the first tool type, a value of the reference variable can be determined by means of the first relationship based on a current value of the variable which shows the machining performance of the current tool in the current workpiece can be characterized.
  • a reference variable is thus available during the execution of completely normal machining operations, which can be used for the further execution of the machining operations.
  • the reference variable be a process response of the above type or a variable that characterizes a current tool state.
  • the reference variable can be, for example, an abstract or standardized state variable, for example a value on a state scale.
  • the reference variable could only be exemplified by a Value on a scale from 1-20, whereby 1 would characterize a practically new tool and 20 a practically completely worn tool.
  • Machining performance of the tool is determined for a workpiece of a second workpiece type. Such an equivalent machining performance performed represents that machining performance which the tool would have performed if it had machined the second workpiece type all the time from its new state to its current state.
  • the correct machining performance can be used as a basis at any time, which enables a reliable assessment of the current tool status at any time.
  • a connection between the normal machining operations and the reference machining operation is thus established, which enables the parameters to be transferred between the individual machining operations.
  • a second relationship be provided which links a variable that characterizes the equivalent machining performance of the tool for the second workpiece type with the reference variable.
  • Such a relationship can therefore also be referred to as a transfer function.
  • she can, for example, be stored in a memory of a control and regulating device and automatically transfer the parameter, that is to say the machining performance performed, when the workpiece to be machined is changed.
  • variable that characterizes the machining performance performed includes or is a tool life or a cutting path of a tool cutting edge in the material or a machining volume or a feed path.
  • the tool life particularly preferred in the present context which is sometimes also referred to as the cutting path, describes the entire distance that a cutting edge of a tool has covered in the workpiece material during machining from the new state of the tool to the point in time considered.
  • machined volume refers to the entire volume of material that a tool has converted into chips, dust, or the like when machining workpieces, from the new condition of the tool up to the point in time under consideration.
  • the feed path denotes the total distance that a tool has covered in its relative movement relative to the workpieces it has machined from the new condition of the tool to the point in time under consideration.
  • the specified process variables of the reference Machining operation include a tooth feed, a saw blade projection and a cutting speed
  • the specified workpiece sizes of the reference machining operation include a material type, a thickness, a density and a coating.
  • tooth feed is usually understood to be the quotient of the feed rate on the one hand and the product of the number of teeth and the speed of the tool on the other.
  • a saw blade protrusion naturally only occurs on a saw blade and indicates how far the saw blade protrudes over the workpiece to be sawed during the sawing process, i.e. how far it emerges from the workpiece.
  • the cutting speed denotes the
  • Peripheral speed of the rotating tool and thus depends on the speed of the tool.
  • the material type can be, for example, chip material, layer material,
  • Wood material, plastic material, etc., and the feature "coating" can express in a very simple case, for example, whether a coating is present or not, and / or can express whether the workpiece is only coated on one side or on both sides , etc.
  • the process variables and workpiece sizes mentioned are particularly important for machining processes.
  • the basic inventive idea is implemented in that a value of a variable that characterizes a machining performance performed by a tool in a workpiece of a first workpiece type, by means of a relationship with a value of a variable that is equivalent
  • Machining performance of the tool in a workpiece of a second workpiece type is characterized, linked; and that when changing from a workpiece of the first
  • Workpiece type to a workpiece of the second workpiece type is determined on the basis of the relationship, a value for the variable which characterizes the equivalent machining performance of the tool for the workpiece of the second workpiece type.
  • a remaining processing power is determined from the determined equivalent processing performance and the at least one process variable until a predetermined limit value of the quality variable is reached. This facilitates the planning in the operation of the workpiece processing system.
  • At least one process variable be changed at a predetermined interval before the predetermined limit value of the quality parameter is reached. This ensures that the desired machining quality is achieved even with an almost completely worn tool.
  • the workpiece type be determined by the parameters material type, thickness, density and coating is characterized.
  • the same explanations apply here as above in connection with the reference machining process.
  • a workpiece processing system in particular a panel dividing saw for dividing large-format panel-shaped workpieces, is also proposed, which comprises a control and regulating device with a processor and a memory, which is designed to carry out a method according to one of the preceding claims.
  • Figure 1 is a plan view of a
  • FIG. 1 is a schematic functional diagram for
  • FIG. 3 shows a flow chart to explain a first variant of the method for operating the workpiece processing system from FIG. 1 using the relationship from FIG. 2;
  • FIG. 4 shows a schematic functional diagram to explain a method for creating relationships between a machining performance performed and a reference variable for three different types of workpiece;
  • FIG. 5 shows a flow chart to explain a second variant of the method for operating the workpiece machining system from FIG. 1 using the relationships from FIG. 4;
  • FIG. 6 shows a further flow diagram to explain the second variant of the method
  • FIG. 7 shows a first part of a diagram in which a machining quality is plotted against a machining performance performed and a reference variable, to explain the second variant of the method
  • FIG. 8 shows a second part of the diagram in which the machining quality is plotted against the machining performance and a reference variable, to explain the second variant of the method
  • FIG. 9 shows a further diagram in which a reference variable is plotted against a machining performance performed for three different types of workpiece, to explain the second variant of the method
  • FIG. 10 shows a representation of transfer functions of the second variant of the method
  • FIG. 11 shows a representation of transfer functions of a third variant of the method.
  • a workpiece processing system bears the overall reference numeral 10.
  • the workpiece processing system 10 shown here is, for example, a panel dividing saw.
  • the large-format plate-shaped workpieces which are used, for example, as starting workpieces for the production of furniture parts, can be divided.
  • the large-format starting workpieces are divided into strip-shaped intermediate products, for example by means of longitudinal cuts.
  • These are then divided into end products or intermediate products by means of cross-sections, which are then divided up again, for example by means of third cuts and possibly further cuts.
  • the workpiece processing system 10 comprises a feed table 12, which can be implemented, for example, by a plurality of parallel roller rails.
  • a feed table 12 On the feed table 12 existing Starting workpieces / intermediate products can be moved to a machine table 18 by means of a program slide 14 and collets 16 present on it.
  • This has a saw gap 20 in its upper side.
  • a sawing device 22 is arranged on a saw carriage (not visible), which in the present case comprises a scoring saw blade 24 and a main saw blade 26 as tools.
  • a pressure bar not shown, with which workpieces can be clamped between the pressure bar and the machine table 18 during the division by the sawing device 22.
  • Segments of a removal table 28 adjoin the machine table 18. This is usually designed as an air cushion table, as is the machine table 18.
  • the workpiece processing system 10 also includes a control and regulating device 30, which receives signals from a large number of sensors and other detection devices, two of which are shown here by way of example and as a representative, bearing the reference numerals 32 and 34.
  • the sensors and other detection devices 32 and 34 can be arranged at numerous different locations on the workpiece processing system 10, and they can have different technical designs, for example in the form of light barriers, cameras with image recognition technology, etc. Numerous functions of the workpiece processing system 10 are controlled by the control and regulating device 30, for example the program slide 14, the collet chucks 16, the pressure bar and the sawing device 22 or possibly even enable fully automatic operation of the workpiece processing system 10.
  • the control and regulating device 30 preferably has several microprocessors and interfaces for inputting and outputting data and information.
  • the reference number 36 denotes a time bar which represents the execution of reference machining processes on the workpiece machining system 10.
  • the time axis is denoted by t, and the times (or time ranges) of the reference machining processes are denoted by t1, t2, t3 and t4.
  • the time axis represents the entire service life of the tool under consideration, here as an example of the main saw blade 26.
  • "Normal" machining processes can be interrupted for the reference machining processes 36. All reference machining processes 36 are defined by identical specified process variables and identical specified workpiece sizes.
  • the specified workpiece sizes of the reference machining operation 36 include a workpiece type, a thickness of the workpiece, a density of the material of the workpiece, and a coating, for example whether the workpiece has a coating at all, etc.
  • a process response is recorded by the sensor 32, which is indicated by a function block 38.
  • the process response 38 can be a variable that characterizes a machining quality on the reference workpiece after the respective reference machining operation.
  • Such a processing quality would be able to be automatically recorded, for example, by means of an image recording device.
  • the processing quality could be defined, for example, by a waviness of the edge produced by the sawing process and the number and size of outliers.
  • the process response 38 could also be a variable that characterizes the power consumption of a tool drive, in this case for example a drive motor of the main saw blade 26, and / or a feed drive of a tool carriage, in this case for example a drive motor of the saw carriage, during the reference machining process 36.
  • the process response 38 could also be a variable that excites vibrations of the tool (that is to say in the present case, for example, of the main saw blade 26), of the workpiece and / or of a section of the workpiece machining system (for example in the present case of the saw carriage or the machine table 18) during the reference
  • the process response 38 could also be a variable that characterizes a sound emission generated by the reference machining operation 36. This could be detected, for example, by a microphone arranged in the area of the machine table 18 or in the area of the saw carriage of the sawing device 22.
  • the current tool state is recorded directly by means of a sensor, for example sensor 34, for example by means of image acquisition or image recognition
  • the reference relationship 42 is used during normal operation of the workpiece machining system 10 in accordance with the method explained below with reference to FIG 10 normal machining operations performed. This means that, as explained above, starting workpieces are divided into finished workpieces on the workpiece processing system 10 using the sawing device 22 by means of cross-sections, longitudinal cuts and third cuts and, if necessary, further cuts, which can then be used, for example, to manufacture furniture parts.
  • the user of the workpiece machining system 10 would like to know what the current tool status is, for example the status of the main saw blade 26, he can carry out a reference machining operation in the workpiece machining system 10 in accordance with function block 48. This can also be initiated automatically by the control and regulating device 30 instead of a request by a user.
  • the reference machining process 48 is carried out with exactly the same reference workpiece type and the same values of the reference process variables of the reference machining process 36 in FIG. 2 above.
  • a value of a process response is recorded which is the same type of process response that was recorded above in FIG. 2 in the reference processing operation 36.
  • the reference relationship 42 which is stored, for example, as a characteristic curve in a memory of the control and regulating device 30, a variable can now be determined in the function block 52 which corresponds to the current tool status, that is, in the present example, the current status of the main saw blade 26, characterized.
  • the method ends in a block 54.
  • a second method variant is now explained with reference to FIGS. 4-9, in which a reference machining process also plays at least an indirect role.
  • machining performance performed is understood to mean a variable that characterizes how long and how intensively the specifically considered tool was used from the new state to the considered point in time.
  • Typical and particularly meaningful variables for the machining performance performed are a tool life or a cutting path of a tool cutting edge in the material or a machining volume or a feed path.
  • the tool life is particularly preferred. This denotes the entire distance that a cutting edge of the main saw blade 26 has covered in the workpiece material during machining from the new state to the point in time considered.
  • the creation of this relationship will now be explained with reference to FIG.
  • the top function diagram applies to machining a workpiece of workpiece type A, the middle one
  • Workpiece types A, B and C are primarily characterized by the material type, thickness, density and coating (yes / no , one-sided / double-sided, etc.), and the workpiece types A, B and C each differ from one another in at least one of the sizes mentioned.
  • the machining of workpieces of the first workpiece type A by the main saw blade 26, which in this respect is a tool of a first tool type, is denoted by horizontal bars with the reference numeral 56.
  • the machining of workpieces of workpiece type A by the main saw blade 26 is interrupted, and a reference machining operation 36 is carried out.
  • the reference machining operation 36 is defined by fixed process variables (that is, sizes that characterize the machining operation) and fixed workpiece sizes (that is, sizes that characterize the workpiece). All reference Machining operations 36 are therefore carried out with the same process variables (in particular tooth feed,
  • a reference variable QR is determined in a function block 58.
  • the reference variable QR can be a process response of the type explained above in connection with FIG. 2, or a variable that directly characterizes a current tool state. It is particularly preferred if the reference variable characterizes a processing quality QR on the reference workpiece after the reference processing operation 36.
  • This processing quality QR can for example be automatically detected and evaluated with an image detection device corresponding to the sensor 32, for example in the form of a waviness of the edge produced during the saw cut and a number and size of outliers produced during the saw cut.
  • a first relationship 60a is formed, for example in the form of a characteristic curve based on can be stored in a memory of the control and regulating device 30.
  • This process is also carried out for other workpiece types B and C, for which second and third relationships 60b and 60c are obtained at the end, which link the machining performance BL with the reference variable QR, namely for the tool of the first tool type and the workpiece of the second and third workpiece type B and C.
  • the creation of the relationships 60a-c for workpiece types A, B and C can be done in advance, for example in a laboratory, and then for example by the manufacturer of the main saw blade 26 to the users of the workpiece processing system 10 and in particular of the main saw blade 26 to be provided. However, it can also take place over time for the user of the workpiece processing system 10 at the beginning of its use.
  • the above-mentioned first relationship 60a for the application of the forthcoming machining of the first workpiece type A is provided in a function block 64.
  • a function block 66 a normal machining process of a workpiece of the first workpiece type A with the workpiece machining system 10 and the main saw blade 26, which is a tool of a first Tool type characterized, carried out.
  • This processing can include the above-mentioned cross-sections, longitudinal cuts, third-party cuts and other cuts.
  • the machining work BL2 (A) performed for this at the end of the normal machining process 66 and the workpiece type are calculated in a function block 68 using the relationship 60a
  • a corresponding reference variable QR (1) is determined.
  • the equivalent machining performance BL1 (B) belonging to the reference variable QR (1) and workpiece type B is determined from the reference variable QR (1) using the relationship 60b.
  • Such an equivalent machining performance BL1 (B) represents that machining performance which the main saw blade 26 would have performed if it had machined a workpiece of the second workpiece type B all the time from the new state to its current state.
  • the method ends in a block 72.
  • a tooth feed fzl (A) is set for the normal machining of a workpiece of workpiece type A, specifically as a function of a desired machining quality Qsoll (A) and a current output Machining capacity BL1 (A). It goes without saying that further process variables, for example a saw blade protrusion and a cutting speed, are set accordingly.
  • normal machining operations 66 are then carried out by means of the main saw blade 26. At the end of this, the tooth feed has changed to a value Fz2 (A), which still depends on the desired machining quality Qsoll (A) and on the currently increased machining performance BL2 (A) (function block 76).
  • the corresponding reference variable QR (1) is determined on the basis of the machining work performed BL2 (A) and the first relationship 60a.
  • the equivalent machining power BL1 (B) performed is determined from the reference variable QR (1) for a workpiece of the second workpiece type B on the basis of relationship 60b.
  • the correct tooth feed fzl (B) is determined in function block 78 on the basis of the determined equivalent machining performance BL1 (B) and the desired machining quality Qsoll (B) (and possibly other important process variables, such as a saw blade protrusion and a cutting speed).
  • the initial value fzl (B) for the tooth feed is preferably determined automatically by the control and regulating device 30.
  • the control and regulating device 30 can use the determined equivalent machining performance BL2 (B) and the Process variable fzl (B) a residual machining performance of the main saw blade 26 can be determined until a predetermined limit value of the quality variable is reached.
  • corresponding characteristic curves and / or characteristic maps are stored in a memory of the control and regulating device 30.
  • function block 80 normal machining operations 66 are carried out on the workpiece of workpiece type B by means of the main saw blade 26. Due to the increasing machining performance BL2 (B), the tooth feed is adjusted to a value fz2 (B) in a function block 82.
  • the corresponding reference variable QR (2) is determined in a function block 84 from the current machining performance BL2 (B) at the end of machining of the workpiece of workpiece type B using relationship 60b. This then becomes the reference variable in a function block 86 using relationship 60a QR (2) related equivalent machining performance BL3 (A) for a workpiece of workpiece type A is determined. From this and the desired machining quality Qsoll (A) an initial value fz3 (A) for the tooth feed is determined (function block 88), and then in function block 90 the normal machining 66 of the workpiece of workpiece type A with the determined tooth feed is carried out by the main saw blade 26. To change the tooth feed rate, the feed rate is preferably changed.
  • the reference variable QR is plotted against the machining performance BL for workpieces of workpiece types A, B and C, and the process explained above in connection with FIGS. 6-8 is shown in dashed lines, but with a third change of a workpiece of workpiece type A to a workpiece of workpiece type C.
  • a reference variable QR (3) which is derived from the machining performance BL3 (A ) results at the end of the second machining of the workpiece of workpiece type A, and that an equivalent performed from this
  • Machining power BL1 (C) for starting machining of the workpiece of workpiece type C is determined from the relationship 60c.
  • transfer function 92a direct transfer functions between the machining work performed BL (A) for workpiece type A and the machining work done BL (B) for workpiece type B (transfer function 92a) can also be derived from this, as shown in FIG Machining work performed BL (B) for workpiece type B and the machining work done BL (C) for workpiece type C (transfer function 92b) and between the machining work done BL (A) for workpiece type A and the machining work done BL (C) for workpiece type C (transfer function 92c), so that in such a case the intermediate step of determining the reference variable QR can be dispensed with.

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Abstract

L'invention concerne un procédé pour faire fonctionner une installation d'usinage de pièce, au cours duquel une pièce est usinée au moyen d'un outil. Ce procédé comprend les étapes qui consistent : à fournir une relation de référence (42) qui associe une réponse de traitement à un état d'outil dans un processus d'usinage de référence ; à usiner une pièce d'un premier type de pièce au moyen d'un outil d'un premier type d'outil dans un processus d'usinage normal (46) ; à usiner une pièce d'un type de pièce de référence au moyen de l'outil et au moyen de grandeurs de traitement de référence dans un processus d'usinage de référence (48) ; à déterminer une réponse de traitement (50) pendant et/ou après le processus d'usinage de référence (48) ; et à déterminer (52) un état d'outil courant à partir de la réponse de traitement (50) au moyen de la relation de référence (42).
PCT/EP2021/065555 2020-06-10 2021-06-10 Procédé pour faire fonctionner une installation d'usinage de pièce, et installation d'usinage de pièce WO2021250144A2 (fr)

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Application Number Priority Date Filing Date Title
EP21733084.4A EP4165479A2 (fr) 2020-06-10 2021-06-10 Procédé pour faire fonctionner une installation d'usinage de pièce, et installation d'usinage de pièce

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DE102020115463.1A DE102020115463A1 (de) 2020-06-10 2020-06-10 Verfahren zum Betreiben einer Werkstückbearbeitungsanlage, sowie der Werkstückbearbeitungsanlage
DE102020115463.1 2020-06-10

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WO2021250144A2 true WO2021250144A2 (fr) 2021-12-16
WO2021250144A3 WO2021250144A3 (fr) 2022-02-24

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017103867A1 (de) 2017-02-24 2018-08-30 Homag Plattenaufteiltechnik Gmbh Verfahren zum Betreiben einer Werkzeugmaschine, insbesondere einer Plattenbearbeitungsanlage zum Bearbeiten plattenförmiger Werkstücke, sowie Werkzeugmaschine

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