A method of operating a device for thermal deburring of workpieces, said device comprising:
- a plurality of interchangeable combustion chambers;
- a closing system comprising:
- a plurality of interchangeable closing plates, each being configured to close a corresponding combustion chamber;
- and
- a closing cylinder;
- a frame structure being configured to receive one combustion chamber and its corresponding closing plate at a time therein;
- said frame structure comprising a closing cylinder being configured to move a closing plate disposed thereon to close a corresponding combustion chamber disposed n said frame structure;
- a source of combustible gas mixture;
- a control unit for controlling the measuring and issuance of the combustible gas mixture to each of said plurality of combustion chambers;
- said plurality of combustion chambers comprising at least a first combustion chamber having a first diameter and a second combustion chamber having a second diameter;
- said plurality of closing plates comprising at least a first closing plate being configured to contain the combustible gas mixture in said first combustion chamber;
- said plurality of closing plates comprising a second closing plate being configured to contain the combustible gas mixture in said second combustion chamber;
- identification unit being configured to recognize at least said first and said second combustion chambers comprising:
- a sensor configured to recognize and distinguish said at least said first and said second combustion chambers from one another;
- an arrangement configured to send signals from said sensor to said control unit;
- an exchange arrangement being configured to move individual combustion chambers into and out of said frame structure;
- and
- said control unit comprising:
- a hydraulic pressure metering unit;
- a plurality of supply lines being configured to deliver a pressure or a quantity of hydraulic fluid to said metering unit;
- said plurality of supply lines comprising at least a first supply line;
- said first supply line comprising:
- a first supply line directional valve configured to be used with said first combustion chamber;
- and
- a first supply line safety valve configured to realize a charge pressure limitation of said first combustion chamber;
- and
- a second supply line comprising:
- a second supply line directional valve configured to be used with said second combustion chamber;
- and
- a second safety valve configured to realize a charge pressure limitation of said second combustion chamber;
- and
- said method comprising the following steps:
- inputting:
- deburring requirements of all types of workpieces to be deburred by said device for the thermal deburring of workpieces for thermal deburring of workpieces into said control unit;
- deburring capabilities of said at least said first and said second combustion chambers into said control unit;
- and
- charging pressure of said metering unit;
- identifying workpieces to be deburred with said identification unit;
- sending signals to said control unit from said identification unit indicating said workpiece identification;
- determining which of said at least said first and said second combustion chambers to use for deburring with said control unit based on the requirements of the workpieces;
- selecting said first combustion chamber with said control unit and loading workpieces into said first combustion chamber;
- sending signals from said control unit to said identification unit;
- identifying said first combustion chamber having a first diameter with said sensor of said identification unit;
- determining a charging pressure of said metering unit based on identification of said first combustion chamber, and, at the same time, determining a closing force for said closing system based on identification of said first combustion chamber, both with said control unit;
- moving said first combustion chamber into said frame structure;
- delivering hydraulic fluid to said hydraulic pressure metering unit based on the identification of said first combustion chamber;
- delivering combustible gas to said first combustion chamber based on the identification of said first combustion chamber;
- moving said first closing plate, with said closing cylinder, to close said first combustion chamber and to contain said combustible gas mixture;
- igniting the combustible gas mixture to perform the thermal deburring;
- moving said first closing plate, with said closing cylinder, to open said first combustion chamber upon completion of the thermal deburring;
- moving said first combustion chamber out of said frame structure and unloading workpieces from said first combustion chamber;
- identifying additional workpieces to be deburred with said identification unit;
- sending signals to said control unit from said identification unit indicating said additional workpiece identification;
- determining which of said at least said first and said second combustion chambers to use for deburring with said control unit based on the requirements of the additional workpieces;
- selecting said second combustion chamber with said control unit and loading said additional workpieces into said second combustion chamber;
- sending signals from said control unit to said identification unit;
- identifying said second combustion chamber having a second diameter with said sensor of said identification unit;
- determining a charging pressure of said metering unit based on identification of said second combustion chamber, and, at the same time, determining a closing force for said closing system based on identification of said second combustion chamber, both with said control unit;
- moving said second combustion chamber into said frame structure;
- delivering hydraulic fluid to said hydraulic pressure metering unit based on the identification of said second combustion chamber;
- delivering combustible gas to said second combustion chamber based on the identification of said second combustion chamber;
- moving said second closing plate, with said closing cylinder, to close said second combustion chamber and to contain said combustible gas mixture;
- igniting the combustible gas mixture to perform the thermal deburring;
- moving said second closing plate, with said closing cylinder, to open said second combustion chamber upon completion of the thermal deburring;
- and
- moving said second combustion chamber out of said frame structure and unloading workpieces from said second combustion chamber.