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A system and method for rivet setting comprising a micro-adjustable bucking bar coupled to a control system that measures the rivet head during the rivet setting process and stops the rivet gun when the rivet head achieves a desired head height above the work surface. In preferred embodiments, the c

A system and method for rivet setting comprising a micro-adjustable bucking bar coupled to a control system that measures the rivet head during the rivet setting process and stops the rivet gun when the rivet head achieves a desired head height above the work surface. In preferred embodiments, the control system also communicates the stage of the rivet driving cycle to the operators to expedite the rivet driving process.

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1. A method for setting a rivet in a work piece, said rivet having a rivet manufactured head and a shank having a shank end, said method comprising: sensing when a rivet set tool of a rivet gun has been placed on the rivet manufactured head and indicating to a bucking bar operator that a rivet gun o

1. A method for setting a rivet in a work piece, said rivet having a rivet manufactured head and a shank having a shank end, said method comprising: sensing when a rivet set tool of a rivet gun has been placed on the rivet manufactured head and indicating to a bucking bar operator that a rivet gun operator is ready to commence riveting;sensing when a bucking bar has been placed on said shank end and indicating to the rivet gun operator that the bucking bar operator is ready to commence riveting;driving the rivet by forcing the shank against said bucking bar with said rivet set tool to form a driven rivet head;sensing when the height of said driven rivet head is substantially equal to a desired set rivet head height and indicating to both said bucking bar operator and said rivet gun operator that said desired set rivet head height has been achieved; andceasing driving the rivet when the height of said driven rivet head is substantially equal to said desired set rivet head height. 2. The method of claim 1 wherein said rivet gun is a pneumatic rivet gun the operation of which is controlled by a solenoid valve, said method further comprising: first actuating said solenoid valve when said driven rivet head height is substantially equal to said desired set rivet head height to operatively decouple said rivet gun from an air supply source and stop riveting; andsecond actuating said solenoid valve to operatively couple said rivet gun to said air supply source when said rivet gun operator and said bucking bar operator are both ready to start riveting. 3. A system for setting a rivet in a work piece, said rivet having a rivet manufactured head and a shank having a shank end, said system comprising: means for sensing when a rivet set tool has been placed on the rivet manufactured head and indicating to a bucking bar operator that a rivet gun operator is ready to commence riveting;means for sensing when a bucking bar has been placed on said shank end and indicating to said rivet gun operator that said bucking bar operator is ready to commence riveting;means for driving the rivet by forcing the shank against said bucking bar with said rivet set tool to form a driven rivet head;means for sensing when the height of said driven rivet head is substantially equal to a desired set rivet head height and indicating to both said bucking bar operator and said rivet gun operator that said desired set rivet head height has been achieved; andmeans for ceasing driving the rivet when said driven rivet height is substantially equal to said desired set rivet head height. 4. The system of claim 3 wherein said means for driving is a pneumatic rivet gun that is controlled by a solenoid valve, said system further comprising: means for first actuating said solenoid valve when said driven rivet head height is substantially equal to said desired set rivet head height to operatively decouple said rivet gun from a air supply source effectuating disable said rivet gun;means for second actuating said solenoid valve to operatively couple said rivet gun to said air supply source when said rivet gun operator or said bucking bar operator is ready to commence riveting effectuating enabling said rivet gun. 5. A system for setting a rivet in a work piece, said rivet having a rivet manufactured head and a shank, said rivet being in conductive communication with said work piece, said system comprising: a circuit subassembly having a first source of power and a bucker ready indicator light, said circuit subassembly being in conductive communication with said work piece;a rivet gun that is equipped with a rivet set tool, said rivet tool being in conductive communication with said circuit subassembly and having a second source of power; anda bucking bar system, said bucking bar system having a rivet gun operator ready indicator light that is in conductive communication with said circuit subassembly and being capable of detecting that a desired set rivet head height has been achieved;wherein said circuit subassembly is operative to impose a first voltage on said work piece, said voltage being detectable by said circuit subassembly upon a first electrical communication of said rivet set tool with said rivet manufactured head and said voltage also being detectable by said circuit subassembly upon a second electrical communication of said bucking bar system with said shank thereby, with detection of said first electrical communication and/or with detection of second said electrical communication said system being operative to enable said circuit subassembly to indicate rivet status via operation of said indicator lights, and to also operate switch to decouple said second power source when said desired set rivet head height has been achieved. 6. The system of claim 5 further comprising: a switch that is capable of isolating said second source of power from said rivet gun. 7. The system of claim 5 further comprising: a bucking bar control system comprising a computer for acquiring and processing data relating to rivet driving; a power subsystem, a sensor array subsystem, and a control and communication subsystem. 8. The system of claim 7 wherein said power subsystem includes rechargeable battery and/or an external power supply, and a power regulator. 9. The system of claim 7 wherein said sensor array subsystem includes a plurality of bucking bar sensors and a plurality of rivet gun sensors. 10. The system of claim 7 wherein said control and communication subsystem includes a pneumatic solenoid having a driver relay, a plurality of communication indicators, a communication port, a graphical user interface and a keypad. 11. A method for controlling a system for setting a rivet in a work piece with a rivet gun and a bucking bar, said method comprising: initializing the system;waiting to receive a first signal from a first sensor that indicates that a rivet gun operator is ready to commence riveting;when said first signal is received, illuminating in a first fashion a rivet gun operator indicator light and a bucking bar operator indicator light;waiting to receive a second signal from a second sensor that indicates that a bucking bar operator is ready to commence riveting;when said second signal is received, illuminating in a second fashion said rivet gun operator indicator light and said bucking bar operator indicator;optionally, starting a first user selectable time delay;enabling the operation of said rivet gun by actuating a solenoid coupling said rivet gun to a air supply source;beginning a rivet setting operation;sensing that said rivet setting operation has begun and then starting a timer, counting the number of impact blows from the rivet gun and waiting to receive a rivet head height threshold detection signal;when said rivet head height threshold detection signal is received, stopping the rivet gun by decoupling said rivet gun from said air supply source, stops said timer, turning off said indicator lights and, optionally, starting a second user selectable time delay. 12. The method of claim 11 further comprising: determining a strength of the rivet;displaying a recommended rivet gun air pressure setting and/or adjusting a rivet gun air pressure setting; andlogging a set rivet head height and/or rivet set strength. 13. A backriveting system, said backriveting system comprising: a plunger comprising a proximal shoulder and having a cavity;an internal collar that is slidably movable within said cavity;a rivet set tool having a set tool stem that extends through said cavity and through said internal collar, said rivet set tool having one end having an anvil face and another end being attachable to a rivet gun and said set tool stem being fixed to said internal collar;a compression spring having a first end that rests on said internal collar and a second end that rests on said proximal shoulder;an exterior collar that is attachable to said stem; anda switch that is attached to said plunger and that is operative to actuate or toggle states when the position of said exterior collar relative to said switch indicates that a desired set rivet head height has been achieved or when said switch operatively indicates that a rivet gun operator is ready to begin riveting. 14. A system for setting a rivet in a work piece, said rivet having a rivet manufactured head and a rivet shank, said system comprising: a rivet gun having a rivet set tool that is energized by a pressurized fluid that must pass through a solenoid valve, said solenoid valve having a first port through which said pressurized fluid enters said solenoid valve and a second port through which said pressurized fluid must pass to reach said rivet gun;an augmented bucking bar having a contact;a first source of direct current that is disposed in a first normally open electrical circuit that also includes a first work piece, a first indicator light and said rivet set tool connected in series, said first source of direct current being operative to illuminate said first indicator light when said rivet set tool is placed in contact with said rivet manufactured head;a second source of direct current that is disposed in a second normally open electrical circuit that also includes a second work piece, a second indicator light and said augmented bucking bar connected in series, said second normally open electrical circuit also being connected to a relay, said second source of direct current being operative to illuminate said second indicator light when said augmented bucking bar is placed in contact with said rivet shank;a third source of direct current that is disposed in a third normally open electrical circuit that also includes said second work piece, said relay and said contact connected in series, said third source of direct current being operative to actuate said relay when said contact is brought in contact with said second work piece during a riveting cycle; anda fourth source of direct current that is disposed in a fourth normally open electrical circuit that also includes said relay and said solenoid valve, said fourth source of direct current being operative to close said first port of said solenoid valve when said relay is actuated. 15. The system of claim 14 wherein said solenoid valve is a three-port solenoid valve comprising a third port that is connected to an ambient atmosphere and said fourth source of direct current being operative to close the first port and open the second port and said third port of said solenoid valve when said relay is actuated, thereby allowing backpressure from said rivet gun to be exhausted from said rivet gun to said ambient atmosphere. 16. A method for controlling a system for setting a rivet in a work piece with a rivet gun that is operated by a rivet gun operator and a bucking bar that is operated by a bucking bar operator, said method comprising: initializing system components and disabling the rivet gun;conducting system tests, comprising detecting whether the rivet gun operator is ready to begin riveting, detecting whether the bucking bar operator is ready to begin bucking and monitoring the system for system errors;illuminating a plurality of system LEDs in a first fashion, including illuminating a bucking bar operator's LED to indicate to the bucking bar operator that the rivet gun operator is ready to begin riveting and/or including illuminating a rivet gun operator's LED to notify to the rivet gun operator that he has signaled to the bucking bar operator that he is ready to begin riveting;detecting that the bucking bar operator is ready to begin bucking, enabling the rivet gun and illuminating a plurality of system LEDs in a second fashion to notify both operators that the bucking bar operator is ready to begin bucking;continuing to monitor the system for said system errors and for calibration requests and disabling the rivet gun when desired set rivet head height has been achieved;if one of said system errors is detected, ceasing riveting and informing the operators of the error condition;if a calibration request is received, allowing at least one of said operators to calibrate the system; andresetting the system. 17. The method of claim 16 wherein said conducting system tests step further comprises: detecting whether a rivet head height detection sensor is working, determining whether the rivet gun operator has set up on a rivet and then disengaged, determining whether the bucker has removed the bucking bar from the rivet, detecting whether a calibration mode has been requested by one of the operators or alternately by the system, and detecting when a system reset is requested by at least one of the operators or by the system following the end of a rivet driving cycle, following operation of an error management subroutine, or following operation of a calibration management subroutine. 18. The method claim 16 further comprising: counting the number of rivets driven and invoking an automatic calibration check after the system is used to set a predetermined number of rivets. 19. The method of claim 16 further comprising: counting the number of impacts it takes to set a rivet and/or measuring each rivet setting time. 20. A system for setting a rivet in a work piece, said rivet having a rivet manufactured head and a rivet shank, said system comprising: a rivet gun having a rivet set tool that is wired to a first circuit subassembly that is wired to a first work piece, said rivet set tool being operative to generate a first signal when it is placed on the rivet manufactured head;a bucking bar that is wired to or integral with a second circuit subassembly that is in radio frequency communication with said first circuit subassembly, or that is in radio frequency communication with a third circuit subassembly that is in radio frequency communication with said first circuit subassembly, said bucking bar being operative to generate a second signal when it is placed on the rivet shank and being operative to generate a third signal when the rivet is set;a solenoid valve that is wired to a fourth circuit subassembly that is in radio frequency communication with said first circuit subassembly, or that is in radio frequency communication with a third circuit subassembly that is in radio frequency communication with said first circuit subassembly, said solenoid valve being operative to enable and disable said rivet gun;a computer or data logger that is wired to a fifth circuit subassembly that is in radio frequency communication with said first circuit subassembly and said second circuit subassembly, or that is in radio frequency communication with a third circuit subassembly that is in radio frequency communication with said first circuit subassembly and said second circuit subassembly, said computer or data logger being operative to monitor productivity;whereas any combination of said radio frequency communication between any said circuit subassembly is permissible. 21. The system of claim 20 further comprising: a pressure regulator that is wired to a sixth circuit subassembly that is in radio frequency communication with at least one of said first circuit subassembly, said second circuit subassembly, said third circuit subassembly, said fourth circuit subassembly and said fifth circuit subassembly, said pressure regulator being operative to control the pressure being imposed on said solenoid valve and, thereby, on said rivet gun. 22. A method for setting a rivet in a work piece, said method comprising: attaching a sensor pad having a thickness equal to a desired rivet head height to the work piece or attaching said sensor pad to a bucking bar anvil face;driving a rivet having a rivet manufactured head and a rivet shank by forcing said rivet shank against a bucking bar with a rivet gun to produce said driven rivet head having a height;determining whether said height is substantially equal to a desired set rivet head height; andceasing driving said rivet when said height is equal to said desired rivet head height. 23. The method of claim 22 wherein said bucking bar is being held by a bucker and said rivet gun is being held by a rivet gun operator, said method further comprising: prior to said driving step, transmitting a rivet gun operator ready signal to said bucker when said rivet gun contacts said rivet manufactured head, thereby indicating to said bucker that said rivet gun operator is ready; andtransmitting a bucker ready signal to said rivet gun operator after sensing when said bucking bar contacts said rivet shank, thereby indicating to said rivet gun operator that said bucker is ready. 24. The method of claim 23 further comprising: upon said ceasing step, transmitting an end of riveting cycle signal to said rivet gun operator when said sensor pad is in contact with both said work piece and with said bucking bar anvil face and transmitting an end of riveting cycle signal to solenoid to disable said rivet gun by decoupling said gun from air source. 25. The method of claim 24 further comprising: applying a force to said work piece after said rivet gun operator ready signal is transmitted and before said bucker ready signal is transmitted. 26. The method of claim 25 wherein said bucking bar contacting said rivet shank is accomplished by the bucker's compressing a spring loaded plunger that is applying a force to said work piece. 27. A method for setting a rivet in a work piece, said rivet having a rivet manufactured head and a shank having a shank end, said method comprising: sensing when a rivet set tool of a rivet gun has engaged the rivet manufactured head or the shank end of the rivet and indicating that said rivet set tool is ready;sensing when a bucking bar has engaged the rivet manufactured head or the shank end of the rivet and indicating that said bucking bar is ready;driving the rivet by forcing the shank against said bucking bar with said rivet set tool to form a driven rivet head or by forcing the rivet manufactured head against said bucking bar with said rivet set tool to form a driven rivet head;determining when the height of said driven rivet head is substantially equal to a desired set rivet head height and indicating that said desired set rivet head height has been achieved; andceasing driving the rivet. 28. The method of claim 27 wherein said sensing steps and/or determining step comprises completing electrical circuits. 29. The method of claim 28 wherein said determining step further comprises disabling said rivet gun. 30. The method of claim 29 wherein said disabling step comprises actuating an in-line solenoid valve on a compressed air line from a compressed air source to said rivet gun to decouple said rivet gun from said compressed air source. 31. The method of claim 27 wherein said indicating steps comprise turning lights on or off and/or flashing lights on and off. 32. The method of claim 27 wherein said driving step comprises forcing an anvil face against the shank and simultaneously pushing a plunger having a shoulder and a base against the work piece, thereby causing said anvil face to move toward said base as said driven rivet head is formed. 33. The method of claim 32 wherein said forcing step comprises compressing a spring that urges said base against said work piece when said anvil face is forced against said shank. 34. The method of claim 32 wherein said determining step comprises sensing when said shoulder or said base is displaced away from a plane containing at least a portion of said anvil face a selected distance. 35. The method of claim 27 wherein one or more of said indicating steps comprises a radio frequency communication. 36. The method of claim 27 further comprising monitoring contact between said bucking bar and the rivet shank and counting hammer blows during the driving step. 37. A method for setting a rivet in a work piece, said rivet having a rivet manufactured head and a shank having a shank end, said method comprising: a step for sensing when a rivet set tool of a rivet gun has been placed in electrical communication with the rivet and indicating that said rivet set tool is ready;a step for sensing when a bucking bar has been placed in electrical communication with the rivet and indicating that said bucking bar is ready;a step for driving the rivet by forcing the shank against said bucking bar with said rivet set tool to form a driven rivet head;a step for determining when the height of said driven rivet head is substantially equal to a desired set rivet head height and indicating that said desired set rivet head height has been achieved; anda step for ceasing driving the rivet. 38. A system for setting a rivet in a work piece, said rivet having a rivet manufactured head and a shank having a shank end, said system comprising: means for sensing when a rivet set tool of a rivet gun has engaged the rivet manufactured head or the shank end of the rivet and indicating that said rivet set tool is ready;means for sensing when a bucking bar has engaged the rivet manufactured head or the shank end of the rivet and indicating that said bucking bar is ready;means for driving the rivet by forcing the shank against said bucking bar with said rivet set tool to form a driven rivet head or means for driving the rivet by forcing the rivet manufactured head against said bucking bar with the rivet set tool to form said driven rivet head;means for determining when the height of said driven rivet head is substantially equal to a desired set rivet head height and indicating that said desired set rivet head height has been achieved; andmeans for ceasing driving the rivet. 39. A method for setting a rivet in a work piece, said rivet having a rivet manufactured head and a shank having a shank end that is deformable into a driven rivet head when the rivet is set, said method comprising: providing a rivet gun comprising a rivet set tool having a first anvil face and a power source;providing a bucking bar comprising a second anvil face;providing at least one circuit subassembly comprising an electrical power source; andbeing capable of at least one of monitoring, communicating, sequencing, and controlling a rivet driving process;using said rivet gun, said bucking bar, and said at least one circuit subassembly to set the rivet,sensing when a rivet gun operator commences rivet setting with said rivet gun having said rivet set tool and indicating to a bucking bar operator that said rivet gun operator is ready to commence riveting; andsensing when said bucking bar operator commences rivet setting with said bucking bar and indicating to said rivet gun operator that the bucking bar operator is ready to commence riveting;whereby when the commencement of a rivet setting stage event is sensed, communication between said rivet gun operator and said bucking bar operator is established. 40. A method of claim 39 further comprising: driving the rivet by forcing the shank end against either said first anvil face or said second anvil face causing the shank end to deform; andsensing when driven rivet head height is substantially equal to a desired set rivet head height and indicating to a rivet gun operator or a bucking bar operator that said desired set rivet head height has been achieved or ceasing driving the rivet when said driven rivet head height is substantially equal to said desired set rivet head height. 41. A method of claim 39 further comprising: adjusting an apparatus to position a sensor actuating threshold on said rivet set tool or on said bucking bar to match a desired rivet head height; andactuating a solenoid valve with said circuit subassembly to operatively decouple said rivet gun from an air supply source and stop riveting when said sensor actuating threshold is detected;whereby when the rivet is set, a desired rivet head height approximately matches a driven rivet head height and the rivet is set with tolerance control. 42. A method of claim 39 further comprising: sensing a rivet setting stage; andenabling the rivet gun during said rivet setting stage and otherwise disabling the rivet gun by decoupling it from said power source,thereby preventing damage to the rivet and the work piece caused by an incorrect tool operation. 43. A method of claim 39 further comprising: sensing and determining a rivet gun hammer cycle period or frequency;sensing disengagement of said first anvil face or of said second anvil face from a surface of the rivet surface during a rivet deforming stage and before sensing that a desired rivet head height has been achieved; anddisabling the rivet gun by decoupling it from said power source,thereby preventing damage to the rivet and the work piece caused by an incorrect rivet driving operation. 44. A method of claim 39 further comprising: assessing a rivet deforming process and determining if a supply air pressure should be increased or decreased to correspondingly increase or decrease a rivet gun hammering force; andcommunicating a recommended air pressure adjustment to an operator or otherwise automatically adjusting said supply air pressure,thereby controlling a rivet set strength and a rivet set tolerance. 45. The method of claim 39 further comprising: sending and or receiving rivet driving process information between a plurality of circuit subassemblies to achieve at least one of: controlling a rivet tool equipment during the sequence of steps of a rivet setting cycle; indicating a rivet driving stage to an operator; preventing damage to the rivet or to the work piece; controlling a plurality of rivet set tolerances; adjusting or recommending to an operator an adjustment to an air pressure setting; recording a plurality of rivet set data; and repeating a plurality communication signals to avoid blocking of said communication signals by a work piece material. 46. The method of claim 39 further comprising: providing a spring loaded plunger having spindles feet on a backriveting system or on a bucking bar system wherein said feet contact the work piece approximately during a rivet deforming stage;sensing and determining approximate orthogonal alignment between said work piece and either said backriveting system of said rivet gun or said bucking bar system;stopping a rivet deforming activity by decoupling the rivet gun from its power source when determination of said approximate orthogonal alignment is approximately wrong or so informing said bucking bar operator and/or said rivet gun operator of status of said approximate orthogonal alignment,whereby aiding tool operators maintain approximate orthogonal alignment of said systems relative to said work piece and establishing a capability to prevent operators from forming misshapen rivets or damaging said work piece when a rivet set tool or a bucking bar is misaligned. 47. The method of claim 39 further comprising: sensing when a rivet gun operator approximately engages the rivet with said rivet gun having said first anvil face to first commence a rivet setting cycle and indicating to a bucking bar operator that the rivet gun operator is ready to commence riveting, or sensing when said bucking bar operator approximately engages the rivet with said bucking bar having said second anvil face to commence a second rivet setting cycle and indicating to said rivet gun operator that said bucking bar operator is ready to commence riveting;first actuating a solenoid valve to couple air supply to rivet gun enabling rivet gun;driving the rivet to cause said shank end of said rivet to deform; andsensing when the height of said driven rivet head is substantially equal to a desired set rivet head height and indicating to both said bucking bar operator and said rivet gun operator that said desired set rivet head height has been achieved, or ceasing driving the rivet when the height of said driven rivet head is substantially equal to said desired set rivet head height by second actuating solenoid valve to decouple said air supply from said rivet gun. 48. A system for setting a rivet in a work piece, said rivet having a rivet manufactured head and a shank having a shank end that is deformable into a driven rivet head having a driven rivet head height, said system comprising: a rivet gun having a first power source and a backriveting system, said backriveting system having a first circuit subassembly, a second power source, and a bucking bar operator ready indicator light or a desired rivet height sensor; ora bucking bar system, said bucking bar system having a bucking bar and a rivet gun operator ready indicator light or a desired rivet height sensor; andmeans for sensing when a rivet Run operator commences rivet setting with said rivet gun having said backriveting system and indicating to a bucking bar operator that the rivet gun operator is ready to commence riveting; ormeans for sensing when said bucking bar operator commences rivet setting with said bucking bar system and indicating to the rivet gun operator that said bucking bar operator is ready to commence riveting. 49. The system of claim 48 wherein said bucking bar system further comprises one or more parts selected from a group consisting of: a first sensor that is capable of detecting when a said bucking bar system operator first engages or otherwise contacts the rivet manufactured head or the shank end of the rivet; ora second sensor that is capable of detecting when said driven rivet head height substantially matches a desired set rivet head height. 50. The system of claim 48 wherein said bucking bar system further comprises one or more parts selected from a group consisting of: a second circuit subassembly;a third power source;a third sensor that is capable of detecting when a bucking bar tool system first engages or otherwise contacts the rivet manufactured head or the shank end of the rivet;a fourth sensor that is capable of detecting when said driven rivet head height substantially matches a desired set rivet head height. 51. The system of claim 48 wherein said backriveting system or said bucking bar comprises: a computer for acquiring a plurality of sensor array subsystem data, said computer having a power subsystem; said computer being operative to process said plurality of sensor array subsystem data to determine at least one of:when a rivet gun contacts a surface of the rivet and to further determine a rivet driving stage and then to operate plurality of indicators to indicate said rivet driving stage to said rivet gun operator;when said rivet gun or said bucking bar incorrectly disengages from said surface of the rivet during a rivet deforming activity and before said driven rivet head height matches a desired rivet head height and then to stop said rivet gun;when said driven rivet head becomes deformed to approximately match said desired rivet head height and then to stop said rivet gun; andwhen said rivet gun operator and said bucking bar operator are ready to commence a rivet deforming stage and then to engage said rivet gun. 52. The system of claim 48 further comprising: means for driving said rivet by forcing said shank end either against an anvil face of said backriveting system or against an anvil face of said bucking bar system and causing said shank end to deform into said driven rivet head;means for sensing when said driven rivet head height is substantially equal to a desired set rivet head height and indicating to said rivet gun operator or said bucking bar operator that said desired set rivet head height has been achieved; andmeans for ceasing driving the rivet when said height-ef driven rivet head height is substantially equal to said desired set rivet head height. 53. The system of claim 48 further comprising: means for an adjusting apparatus to position a sensor having a sensor actuating threshold on said backriveting system or on said bucking bar system to match an approximate measurement of a desired rivet head height; andmeans for a second circuit subassembly to actuate a solenoid valve to operatively decouple said rivet gun from an air supply source and stop riveting when said sensor actuating threshold is detected. 54. The system of claim 48 further comprising: means for sensing a rivet deforming stage; andmeans for enabling said rivet gun during said rivet deforming stage while otherwise disabling the rivet gun by decoupling it from its power source. 55. The system of claim 48 further comprising: means for sensing and determining a rivet gun impact period or frequency;means for sensing disengagement of an anvil face from a rivet surface during a rivet deforming stage and before sensing that a desired rivet head height has been achieved thereby determining an incorrect operator action; andmeans for disabling the rivet gun by decoupling it from its power source. 56. The system of claim 48 further comprising: means for assessing a rivet deforming process and determining if a supply air pressure should be increased or decreased to correspondingly increase or decrease a rivet gun hammering force; andmeans for communicating a recommended air pressure adjustment to rivet gun operator or automatically adjusting said supply air pressure. 57. The system of claim 48 further comprising: means for sending and or receiving rivet driving process information among a plurality of circuits to achieve at least one of:a determination of a rivet driving stage;an indication of a rivet driving stage;prevention of damage to said rivet or said work piece;control of rivet set tolerances;adjusting or recommending an adjustment to an air pressure setting;recording rivet set data; andrepeating communication signals.