Identifying liquid jet cutting system components

• US 9,144,882 B2
• Filed: 12/20/2013
• Issued: 09/29/2015
• Est. Priority Date: 04/04/2012
• Status: Active Grant

• Current Assignee: Hypertherm Incorporated
• Original Assignee: Hypertherm Incorporated
• Inventors: Lindsay, Jon W., Vandergon, Cedar J., Chalmers, Eric J., Hoffa, Michael, Shipulski, E. Michael
• Primary Examiner(s): Nguyen, George
• Application Number:
  US14/135,714
• Publication Number:
  US 20140113527A1
• Time in Patent Office: 648 Days
• Field of Search: 451/1, 451/2, 451/3, 451/5, 451 36- 40, 451 75-102, 417/63, 417151-198, 83/53, 831/77, 239/71
• US Class Current: 1/1
• CPC Class Codes: B23K 10/006 Control circuits therefor circuits for plasma torches H05H1/36
• CPC Class Codes: B23K 10/02 Plasma welding
• CPC Class Codes: B23K 26/20 Bonding soldering by means of radiant energy B23K1/005; joining of preformed plastics parts by heating using laser beam B29C65/16
• CPC Class Codes: B23K 26/21 by welding
• CPC Class Codes: B23K 26/38 by boring or cutting
• CPC Class Codes: B23K 26/702 Auxiliary equipment
• CPC Class Codes: B23K 5/00 Gas flame welding
• CPC Class Codes: B23K 7/10 Auxiliary devices, e.g. for guiding or supporting the torch guiding means applicable to other metal-working machines B23Q
• CPC Class Codes: B24B 49/10 involving electrical means B24B49/02, B24B49/08 take precedence
• CPC Class Codes: B24C 3/02 characterised by the arrangement of the component assemblies with respect to each other B24C3/08, B24C3/18 take precedence
• CPC Class Codes: B26D 5/00 Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
• CPC Class Codes: B26F 3/004 by means of a fluid jet methods for use of abrasive blasting for cutting B24C1/045; guns for abrasive fluid jets B24C5/02; perforating by non-mechanical means, e.g. by fluid jet B26F1/26
• CPC Class Codes: H05H 1/34 Details, e.g. electrodes, nozzles
• CPC Class Codes: H05H 1/3473 Safety means
• CPC Class Codes: H05H 1/3494 Means for controlling discharge parameters

Abstract

A consumable component of a liquid jet cutting system is provided. The consumable component includes a body defining a conduit for a liquid jet and a signal device located on or within the body for transmitting a signal associated with the consumable component to a reader.

Claims

1. A liquid jet cutting system, comprising:

at least one reader;

a pump;

a cutting head fluidly connected to the pump, the cutting head comprising;

a cutting head body;

a plurality of replaceable components connected to the cutting head body and defining at least a portion of a conduit for receiving a liquid jet;

a plurality of signal devices assigned to respective ones of the plurality of replaceable components, wherein the plurality of signal devices are configured to communicate to the at least one reader information associated with the corresponding replaceable components;

a plurality of readers disposed on the cutting head body for communicating with the plurality of signal devices about the information associated with the corresponding replaceable components; and

a connector communicatively coupled to the plurality of readers, the connector being configured to transmit the information from the plurality of readers to a CNC or a PLC; and

a computing device communicatively coupled to the at least one reader for receiving the information from the reader.

2. The liquid jet cutting system of claim 1, wherein the computing device comprises at least one of a computer numerical controller (CNC) or a pump programmable logic controller (PLC).

3. The liquid jet cutting system of claim 1, wherein the computing device is configured to automatically adjust at least one operating parameter of the liquid jet cutting system at least in part based on the information received from the at least one reader.

4. The liquid jet cutting system of claim 3, wherein the at least one operating parameter comprises a kerf setting.

5. The liquid jet cutting system of claim 1, wherein the computing device is configured to automatically determine the identities of the plurality of replaceable components at least in part based on the information received from the reader.

6. The liquid jet cutting system of claim 1, wherein the plurality of replaceable components comprise a nozzle and an orifice of the liquid jet cutting system.

7. The liquid jet cutting system of claim 6, wherein the plurality of signal devices comprise a first signal device disposed on the nozzle and a second signal device disposed on the orifice.

8. The liquid jet cutting system of claim 6, wherein the information identifies at least one of a type of the nozzle or a type of the orifice.

9. The liquid jet cutting system of claim 1, wherein the information comprises at least one of a time or duration of use of the corresponding replaceable components.

10. The liquid jet cutting system of claim 1, wherein at least one of the plurality of signal devices comprises an RFID tag.

11. The liquid jet cutting system of claim 1, wherein the cutting head further comprises a high pressure liquid inlet.

12. The liquid jet cutting system of claim 1, wherein the cutting head further comprises an abrasive inlet.

13. The liquid jet cutting system of claim 1, further comprising a plurality of wires connected to the plurality of readers, wherein the plurality of wires are disposed within the cutting head body.

14. The liquid jet cutting system of claim 1, wherein the connector is further configured to convert the information in the form of an analog signal to a digital signal.

15. The liquid jet cutting system of claim 1, further comprising an intensifier associated with the pump.

16. The liquid jet cutting system of claim 15, further comprising an accumulator fluidly connected to the pump.

17. A method for operating a liquid jet cutting system, the method comprising:

installing a replaceable component into a liquid jet cutting head of the liquid jet cutting system, the replaceable component including an identification mechanism;

communicating information between the identification mechanism and a reader of the liquid jet cutting system;

determining, based on the information communicated, at least one of (i) a period of use of the replaceable component, (ii) a predicted life expectancy of replaceable component, (iii) a predicted stroke rate for the pump, or (iv) a kerf setting for the liquid let cutting system; and

adjusting at least one operating parameter of the liquid jet cutting system to implement a new use setting based on the information.

18. The method of claim 17, wherein the replacement component is one of a nozzle or an orifice.

19. The method of claim 18, wherein the information identifies a type of the nozzle or the orifice.

20. The method of claim 17, wherein the information comprises at least one of a time or duration of use of the replaceable component.

21. The method of claim 17, wherein the information comprises at least one of a condition of use of the replaceable component.

22. The method of claim 17, wherein the at least one operating parameter comprises a cutting parameter that is automatically adjusted based on the information communicated.

23. The method of claim 17, further comprising detecting a system leak by comparing the predicted stroke rate to an actual stroke rate.

24. The method of claim 17, further comprising detecting a poppet failure by analyzing the predicted stroke rate.

25. A liquid jet cutting system, comprising:

at least one reader;

a pump;

a cutting head fluidly connected to the pump, the cutting head comprising;

a cutting head body;

a plurality of replaceable components connected to the cutting head body and defining at least a portion of a conduit for receiving a liquid jet, the plurality of replaceable components comprising a nozzle and an orifice of the liquid jet cutting system; and

a plurality of signal devices assigned to respective ones of the plurality of replaceable components, wherein the plurality of signal devices are configured to communicate to the at least one reader information associated with the corresponding replaceable components, the plurality of signal devices comprising a first signal device disposed on the nozzle and a second signal device disposed on the orifice; and

a computing device communicatively coupled to the at least one reader for receiving the information from the reader.

26. The liquid jet cutting system of claim 25, wherein the computing device is configured to automatically adjust at least one operating parameter of the liquid jet cutting system at least in part based on the information received from the at least one reader.

27. The liquid jet cutting system of claim 25, wherein the computing device is configured to automatically determine the identities of the plurality of replaceable components at least in part based on the information received from the reader.

28. The liquid jet cutting system of claim 25, wherein at least one of the plurality of signal devices comprises an RFID tag.