CA-3038618-C - SYSTEM AND METHOD FOR OPERATING A CUTTING MACHINE

Abstract

The technology herein developed arises from the need to monitor and automate the entire deep hole drilling, drilling and milling processes, in cutting machines, in order to not only optimize the relevant task performance but also to increase the useful life of the cutting tools involved. An operating system and method are disclosed that allow controlling the entire deep hole drilling, drilling and milling processes, acting directly and automatically on the control of the cutting parameters, such as for example drilling feed and cooling adjustment, by means of collecting and real-time analyzing of data from sensors arranged in said cutting machine.

Inventors

• Sergio David TAVARES ANDRE

Assignees

• CHETOCORPORATION, S.A.

Dates

Publication Date

20260505

Application Date

20170901

Priority Date

20160928

Claims (1)

1. 13 CLAIMS 1. A method for operating a control operation system of a cutting machine, characterized in that a central control unit is configured to monitor and control the operation of the cutting machine, automatically and in real-time, through the following steps: ⎯ programming in an interface device of the control operation system an initial parameterization by an operator, according to the type of material intended for drilling; ⎯ starting a drilling process; ⎯ reading and processing the data sent from a sensory block of the control operation system; if the tip of the cutting tool is left unguided, an intersection is detected, and the following cutting parameters are adjusted: ⎯ drilling feed, acting directly on the cutting machine, which coordinates the power delivered to the rotating and linear axes; ⎯ cooling the cutting tool, acting directly on a cooling circuit of the cutting machine; ⎯ vibrating the rotating axis of the cutting machine; wherein the adjustment of the drilling feed and the detection of intersections, a cooling control and the vibration control are performed by comparing the values collected by the power, pressure or flow rate and vibration sensors, respectively, of the sensory block, with the values of the cutting parameters programmed in the initial parameterization carried out by the operator. 14 2. The method according to claim 1, characterized in that the drilling feed acts directly on a motor of the cutting machine. 3. The method according to claim 1, characterized in that the drilling feed adjustment step is triggered when the total electric power consumed by the rotating and linear axes is higher than the value initially programmed by the operator. 4. The method according to claim 1, characterized in that the detection of intersections involves continuous monitoring of the power curve of a rotary motor by calculating the derivative at a point in the curve in order to obtain the slope of the tangent line at that same point. 5. The method according to claim 4, characterized in that the intersection is detected when the slope of the line is negative, for a time and amplitude constant previously defined by the operator in the initial parameterization. 6. The method according to claim 1, characterized in that the central control unit stores in memory the initial parameterization carried out by the operator, updates of said cutting parameters throughout the cutting process, and specific parameterizations associated with past works, indexed to the type of material intended for cutting. 7. The method according to claim 6, characterized in that the central control unit automatically loads specific cutting parameters when an intersection is detected. 8. The method according to claim 1, characterized in that the operator takes control of the cutting machine by actuating a manual button of the control operation system. 9. A control operation system for a cutting machine, characterized in that it comprises: - a central control unit, configured to operate according to the method of any one of claims 1 to 7, provided with processing capacity and internal storage memory, said central control unit further comprising a communication module specially configured to establish a communication for transferring control information with the cutting machine and for receiving sensorial data from a sensory block; - a sensory block, comprising a set of sensors which are coupled to the cutting machine; - an interface device, directly connected to the central control unit, adapted to establish a bidirectional communication with an operator either for inputting initial parameterizations or for displaying control information; - an alarm mechanism; - a manual control button. 16 10. The system according to claim 9, characterized in that the sensory block comprises at least two power sensors, at least one flow rate sensor, at least one pressure sensor and at least one vibration sensor. 11. The system according to claim 10, characterized in that the at least two power sensors are coupled to the rotating axis and to the linear axis of the cutting machine motor, respectively. 12. The system according to claim 10, characterized in that the at least one flow rate sensor and the at least one pressure sensor are coupled to a cooling circuit associated with the cutting machine. 13. The system according to claim 10, characterized in that the at least one vibration sensor is coupled to the rotating axis of the cutting machine motor. 14. The system according to claim 9, characterized in that the interface device comprises a screen with tactile technology. 15. The system according to claim 9, characterized in that the manual control button is of a potentiometer type.

Description

1 DESCRIPTION "SYSTEM AND METHOD FOR OPERATING A CUTTING MACHINE" Technical Domain The present application describes an operating system and method for controlling the operation of cutting machines, which enables controlling the deep hole drilling, drilling and milling processes. Summary A control operation system for a cutting machine is disclosed characterized in that it comprises a central control unit provided with processing capacity and internal storage memory, said central control unit further comprising a communication module specially configured to establish a communication for transferring control information with the cutting machine and for receiving sensorial data from a sensory block; - a sensory block, comprising a set of sensors which are coupled to the cutting machine; - an interface device, directly connected to the central control unit, adapted to establish a bidirectional communication with the operator either for inputting initial parameterizations or for displaying control information; - an alarm mechanism; - a manual control button. In a particular embodiment of the system, the sensory block comprises at least two power sensors, at least one flow rate sensor, at least one pressure sensor and at least one vibration sensor. 2 In a particular embodiment of the system, the at least two power sensors are coupled to the rotating axis and to the linear axis of the cutting machine motor, respectively. In a particular embodiment of the system, the at least one flow rate sensor and the at least one pressure sensor are coupled to the cooling circuit associated with the cutting machine. In a particular embodiment of the system, the at least one vibration sensor is coupled to the rotating axis of the cutting machine motor. In a particular embodiment of the system, the interface device comprises a screen with tactile technology. In a particular embodiment of the system, the manual control button is of the potentiometer type. A method for operating a cutting machine is also disclosed, which is executed in said system, characterized in that the central control unit is adapted to monitor and control the operation of the cutting machine automatically and in real time, starting from the initial parameterization input by an operator taking the type of material intended for drilling into account by processing and analyzing the data sent from the sensory block in order to perform the detection of intersections and adjust the cutting parameters: - drilling feed acting directly on the cutting machine motor which coordinates the power delivered to the rotating and linear axes; WO 2018/060789 PCT/IB2017/055280 3 cooling of the cutting tool, acting directly on the cooling circuit of the cutting machine; - vibrating of the rotating axis of the cutting machine; wherein the adjustment of the drilling feed and the intersection detection, the cooling control and the vibration control are performed by comparing the values collected by the power, pressure or flow rate and vibration sensors, respectively, with the values of the cutting parameters programmed in the initial parameterization carried out by the operator. In a particular embodiment of the method, the drilling feed adjustment step is triggered when the total electric power consumed by the rotating and linear axes is higher than the value initially programmed by the operator. In a particular embodiment of the method, the detection of intersections involves continuous monitoring of the power curve of the rotary motor by calculating the derivative at a point in the curve in order to obtain the slope of the tangent line at that same point. In a particular embodiment of the method, the intersection is detected when the slope of the line is negative, for a time and amplitude constant previously defined by the operator in the initial parameterization. In a particular embodiment of the method, the control unit stores in memory the initial parameterization carried out by the operator, updates of said cutting parameters throughout the cutting process, and specific parameterizations 4 associated with past works, indexed to the type of material intended for cutting. In a particular embodiment of the method, the control unit automatically loads specific cutting parameters when an intersection is detected. In a particular embodiment of the method the operator can take control of the cutting machine by actuating the manual button. 4A In another embodiment, there is disclosed a method for operating a control operation system of a cutting machine, characterized in that a central control unit is configured to monitor and control the operation of the cutting machine, automatically and in real-time, through the following steps: ⎯ programming in an interface device of the control operation system an initial parameterization by an operator, according to the type of material intended for drilling; ⎯ starting a drilling process; ⎯ reading and processing the data sent from a sensory