EP0102277A1 - Bearbeitungsvorrichtung bei kontinuierlichem Bewegungsablauf mit dimensionaler Steuerung - Google Patents

Bearbeitungsvorrichtung bei kontinuierlichem Bewegungsablauf mit dimensionaler Steuerung Download PDF

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Publication number
EP0102277A1
EP0102277A1 EP83401563A EP83401563A EP0102277A1 EP 0102277 A1 EP0102277 A1 EP 0102277A1 EP 83401563 A EP83401563 A EP 83401563A EP 83401563 A EP83401563 A EP 83401563A EP 0102277 A1 EP0102277 A1 EP 0102277A1
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EP
European Patent Office
Prior art keywords
calibration
control
measurement
parts
logic
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Granted
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EP83401563A
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English (en)
French (fr)
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EP0102277B1 (de
Inventor
Pierre Edelbruck
Régis Marmonier
Georges Melzac
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Manufacture de Machines du Haut Rhin SA MANURHIN
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Manufacture de Machines du Haut Rhin SA MANURHIN
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Priority to AT83401563T priority Critical patent/ATE17530T1/de
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B35/00—Testing or checking of ammunition
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/14—Quality control systems

Definitions

  • the invention relates to machining installations in continuous kinematics; it applies in particular, but not exclusively, to small arms ammunition production lines.
  • Continuous kinematics means that the parts to be treated move one by one, in continuous sequence, on dimpled wheels and work stations suitably arranged to pass said parts to each other.
  • a dimpled wheel takes a part in one of its dimples, at a determined point in its rotation. At another point, it transfers the part to another honeycomb wheel, or to a workstation, similarly, a part will leave a workstation by a honeycomb wheel, to go to another workstation or to a receptacle.
  • the essential advantage of continuous kinematics is to increase production rates, while reducing production costs. On the other hand, due to the permanent movement of the parts, there are delicate problems of monitoring the installation, as well as metrology.
  • the present invention provides a solution for ensuring satisfactory metrology, control and also overall monitoring in an installation for machining parts in continuous kinematics.
  • the parts are assumed to be pre-machined, at least in part.
  • at least one working module is provided between the feeder module and the control module, capable of defining a continuous kinematics of the parts between an upstream honeycomb wheel, cooperating with the supplying honeycomb wheel, and a downstream honeycomb wheel, at least one work barrel being provided between the upstream and downstream honeycomb wheels, and this work barrel being able to perform at least one machining operation on the parts while they pass through it.
  • This arrangement makes it possible to quickly and safely carry out the calibration necessary for checking the parts.
  • a plurality of pairs of standards are provided respectively maximum and minimum (in each pair), at the rate of at least one pair of standards for each dimensional measurement to be carried out.
  • control module comprises means allowing the introduction on command of parts into the input wheel, as well as means allowing the output on command of parts of the output honeycomb wheel. This can allow, during the calibration phase, the automatic insertion and extraction of standards. In the production phase, after creation of suitable gaps, the insertion of reference parts, with known dimensions, makes it possible to verify the proper functioning of the control module (on operator command).
  • control barrel has at least one fixed on-board target (relative to this barrel) for each measurement to be carried out, preferably two fixed on-board targets for each measurement. This makes it possible to take into account in real time the response of the electronic measurement means, and the drift of the mechanical means.
  • the installation also includes a control and calibration console, and the logic control means are arranged to allow, for each station, and each type of measurement, the display of the value measured in arbitrary internal units, as well as in millimeters, taking into account the calibration.
  • the logic control means comprise a basic logic device suitable for the functions of measurement acquisition, calibration and correction of measurements as a function of calibration, in interaction with the module control, and a logic device 'operating in interaction with the power modules, work, and control, to supervise the entire system.
  • the basic logic device is also able to update the conversion coefficients of the measurements into metric values, as well as to determine the drift of the machining operations.
  • the basic logic device comprises a saved memory, allowing the conservation of the calibration data.
  • the operating logic device comprises a first level logic structure comprising a logic unit for each of the modules, and the logic unit associated with the control module is connected to the basic logic device, while being arranged to control ejection at the reject parts whose measurement is not between said maximum and minimum rejection values.
  • the operating logic device can also comprise a second level logic unit, interconnected with the first level logic units, as well as with a general control console.
  • the present invention allows first of all to carry out a complete calibration of the machine, starting from a pair of standards respectively, maximum and minimum for each measurement to be carried out, it being observed that the number of measurements carried out can be greater than the number of sensors present: each sensor can, by successively cooperating with several targets associated with each control station, measure successively more. several physical quantities.
  • the present invention relates to machining installations in continuous kinematics, and more particularly the production lines for small arms ammunition.
  • Figures 1 and 2 show a control module, which is also capable of defining a continuous kinematics of the parts between a honeycomb input wheel MC11 and a honeycomb output wheel MC14.
  • the MC11 wheel cooperates with the honeycomb downstream wheel MT16 of the working module.
  • at least one control barrel MC12 is provided between the dimpled input wheels MC11 and exit MC14, to allow at least one measurement operation in relation to the aforementioned machining operation which was carried out in the work barrel .
  • the control barrel MC12 cooperates with a measuring member MC13 in a manner which will be detailed below with reference to FIG. 4.
  • the control module has other MC15, MC16 and MC17 wheels, which are placed between the output honeycomb wheel MC14 and the input honeycomb wheel MC11.
  • variable qualifiers have been added for "honeycomb wheels", for example supplying alveolate wheel for the feeder module, upstream and downstream alveolate wheels for the working module and input and output alveolate wheels for the control module.
  • the feeder module can be produced in the manner described in one of the patent publications 2,346,072, 2,356,464, 2,379,335 or 2,376,049 already cited.
  • this can for example be one of the machines described in the publications 2 333 412, 2 330 476, or even 2 475 946.
  • 'It is a machine for cutting tubular parts such as cartridge cases, this operation, simple, facilitating description, and this machine could be, for example, that of publication 2 333 412.
  • FIG. 3 schematically illustrates the structure on a larger scale.
  • the MC11 wheel will therefore take parts from a previous module which is normally a working module. These parts will pass through the control barrel where they are checked in particular at the level of the sensor device MC13. Finally, said parts are taken up by the output honeycomb wheel which will either transfer them to a next module (working or control module), or store them in a storage device. Note that the.
  • wheel MC14 also has a normal rejection position MC141, a position which is preceded by a special rejection station MC142, and followed by a normal presence test MC140, which makes it possible to ensure that a desired rejection operation has been carried out been carried out, and by the same token of the fact that the documents transferred downstream are accepted.
  • the rejection devices can be produced in the manner described in the patent publication 2,379,335 already cited.
  • the locations of the output honeycomb wheel MC14 will come in cooperation with a transfer wheel MC15, followed by another honeycomb transfer wheel MC16, and a third honeycomb transfer wheel MC17 , which is then able to bring the parts back onto the dimpled input wheel MC11.
  • control module a recycling device with dimpled wheels MC15 to MC17, capable of returning on command the parts of the dimpled output wheel MC14 to the dimpled input wheel MC11. To carry out recycling, it will suffice to move the switches provided between the wheels MC15 and MC13 and the wheels MC11 and MC14.
  • the dimpled input wheel MC11 has a standard insertion location denoted MC110.
  • the insertion of standards can be done for example using a chimney, placed tangentially above the trajectory of the cells, and allowing a standard piece to be released so that it fits into the cell.
  • FIG. 4 describes in a more particular way how the measurement is carried out at the level of the control barrel M C12, of which only one station is shown here.
  • the post in question is placed next to the device.
  • sensor generally noted MC13 in FIG. 4.
  • the station in question of the MC12 barrel comprises a cast iron support frame, in two pieces 1205 and 1210, resting on the barrel body, which appears in the lower part.
  • the part 1205 is provided with a vertical through bore, through which slides a cylindrical sleeve with recess 1204.
  • the sleeve is provided with an end head 1202, suitable for inserting a cartridge socket 1200 against a support part 1201 Transversally, on either side of the bushing 1200 can be placed projecting gripping members such as 1203.
  • the sliding part 1204 is found in the upper part denoted 1206, and it is then provided with a coupling roller 1207 with a rod 1208 articulated in rotation in 1209 on the frame 1210.
  • the rod 1208 is again articulated in rotation on the roller 1211 of an assembly 1212 and 1213, which form a member capable of requesting the left part of part 1208 with rotation upwards.
  • a cam not shown will stress the device so that the shaft 1204-1206 goes downwards, and therefore comes to grip the bushing 1200 of which it is necessary to measure under a predetermined force. height, after the cutting operation already mentioned (this when arriving at the right of the MC13 measuring station).
  • the part 1206 is completed in the upper part of a bracket 1220, on which a target 1225, of predetermined shape and careful machining, is fixed in a predetermined manner, preferably a steel disc with rectified parallel faces.
  • the measurement member MC13 comprises a frame 1303, the upper part 1302 of which supports a measurement device 1301 comprising a cylindrical cage of comparable size at the periphery of the target 1225, which cage internally houses a sensor 1300, which will measure its distance from the target 1225.
  • the sensor 1300 is connected by an electrical connection 1305 to the rest of the structure.
  • the position of the target 1225 is mechanically linked to the vertical position of the part 1204, and therefore at the top level of the socket 1200, the bottom level being fixed relative to the frame of the barrel MC12, which is assumed in turn remain in a stable vertical position relative to the HC13 body, despite its rotation.
  • the senor 1300 is an eddy current probe, such as the probe sold by the company VIBRO-METER under the designation VIBRAX TQ102.
  • This 1300 probe is connected by cable 1305 to a conditioner box, which can be the one sold by the same company under the designation IQS603.
  • the probe 1300 will measure its distance from the target 1225.
  • the present invention provides a combination of means, some of which have already been described.
  • At least one, preferably two "fixed” on-board targets are provided on the control barrel for each measurement. These targets are mounted like the target 1225, but on a support .1220 which would be integral with the barrel.
  • logic control means generally denoted 500 and 600 in FIG. 5, with their complements 800, 900 and 950.
  • the rest of the operations mainly concern the control module.
  • the following operation consists in inserting at least one minimum standard and one maximum standard in two, preferably consecutive, gaps thus created in the continuous kinematics (manual or automatic operation).
  • the maximum measurements are acquired and minimum relating to these standards as rejection values.
  • the acquisition of the measurements in question involves their transport to the acquisition device 800 which will be described below with reference to FIG. 5.
  • a recycling device as described with reference to FIG. 3, providing that the number of stations of the control barrel MC12 and the number of steps of the recycling device constituted by the wheels MC15 to MC17 be first among them.
  • the MC12 control barrel has 8 stations, while the number of steps of the recycling device is equal to 13. This number of steps is to be calculated taking into account the part of the alveolate output and input wheels which intervenes in the dis positive recycling, as well as the distance at the control barrel between the location of introduction of the parts and the location of their removal. All this comes into play in the definition of the "recycling loop".
  • a plurality of pairs is provided. of standards which are respectively maximum and minimum in each pair, so that a pair of standards corresponds for example to a quantity to be measured.
  • This system firstly comprises a logic operating system generally designated by 500, and which will be described in more detail below with reference to FIG. 11. (In this FIG. 11, we find the general structure of the device 500 inside the dashed line).
  • This device firstly comprises a digital encoder block or "encoder” connected to one or more incremental encoders generally noted by 00, and having the function of determining the machine position making it possible to detect the presence of parts at various points in the installation , so that the electronics can at any time determine the position of the parts in the continuous kinematics.
  • each encoder block has three outputs. The first delivers an index to each round of the associated barrel. The second delivers pulses at the rate of 180 per barrel position, in forward gear. The third does the same, but in reverse.
  • each module of the installation is associated with a first level logic block (LEVEL I).
  • the MA power supply module is associated with a Level I logic block denoted 511
  • the MT work module is associated with a Level I logic block denoted 512
  • the control module MC is associated with a Level I logic block denoted 513.
  • Block 600 reports the operations it performs, directly to Level 1 logic block 513 being precisely associated with the control module.
  • the various blocks 510 to 513 are in interaction by 8-bit parallel links with a second level logic device (LEVEL II) denoted 520.
  • LEVEL II second level logic device
  • This is preferably associated by an asynchronous link with a general control desk 521 of the installation, which will not be described in more detail here.
  • Level II is optionally associated with a logic block of third Level 530, which can be responsible for example for controlling not only the section of the machining installation which is described here, but indeed all the entire installation, which performs joint operations on the same product.
  • third Level 530 can be responsible for example for controlling not only the section of the machining installation which is described here, but indeed all the entire installation, which performs joint operations on the same product.
  • it is connected to other second level logic blocks by asynchronous serial links illustrated in FIG. 11.
  • This Level III logic block marked 530 performs general surveillance operations which will not be described in more detail in the context of this patent application.
  • This block 600 constitutes a logic measurement unit, or Level 0 unit.
  • the unit 600 dialogues by asynchronous lines with a measurement acquisition unit 800 described in more detail with reference to FIG. 8. Signals synchronization are also transmitted by the Level 0 unit 600 to the acquisition unit 800, which also receives analog inputs of measurement signals (for example, 5 analog inputs for 5 sensors therefore at least 5 quantities to be measured, being observed that the same sensor can successively carry out measurements of a different nature).
  • Level 0 ⁇ 600 unit also dialogues, still by asynchronous lines, with a calibration unit 900 which is in charge of the calibration operations, and of annex operations.
  • the unit 900 is associated by the bus line 901 with the calibration control console 950.
  • the unit 900 and the console 950 are illustrated in more detail in FIG. 9.
  • FIG. 6 shows the particular structure of the level 0 unit 600.
  • This comprises an internal bus 601, to which a measurement processor 602 is connected, as well as memories 603 and 604.
  • Memory 603 is a memory programmable read-only or pROM, with a capacity of 8 kilobytes, for example, while the memory 604 is a direct access memory or RAM memory, with a capacity of 4 kilobytes.
  • the bus 601 is also connected to the parallel interface 608, having a port A and a port B, responsible respectively for information arriving from the operating system 500, and information which will go towards it.
  • Another parallel interface 609 is provided, as an option, for 16 inputs-outputs available for user-definable purposes.
  • a serial interface 607 is also provided, as well as two time counters 605 and 606.
  • the serial interface 607 is in intercommunication with the bus 601, and has two sets of outputs denoted respectively line A, which goes to the calibration unit of figure 9, and line B which goes to the acquisition unit of FIG. 8.
  • the clock for line A is defined by the time counter 605, which receives the synchronization signals coming from the encoder device 510.
  • the clock for line B is defined by the time counter 606, which is only connected to the serial interface 607.
  • the level unit 0 ⁇ in FIG. 6 is able to receive all the raw measurement information coming from the acquisition unit 800, as well as to dialogue with the calibration unit 900 and the associated 950 calibration control console.
  • This unit 600 of FIG. 6 will therefore be responsible for establishing the calibration, then then taking it into account on the actual measurements carried out on the products during manufacture.
  • the unit 600 of FIG. 6 will finally be able to report its interventions to the assembly 500 of FIG. 5 and of FIG. 11, at the same time as requesting the latter to carry out the ejection suitable for the parts being manufactured which will not conform to the calibration data, through the first level logic unit 513, to which the device 600 is directly connected.
  • FIGS. 7 and 8 represent the acquisition of the information available at the level of the sensors.
  • FIG. 7 we see at the top left a line which comes from the sensor 1300 of FIG. 4, or more precisely from the signal conditioner which is connected to it.
  • This line is brought through a resistor 8310 to the inverting input of the differential amplifier 831.
  • This inverting input is also connected to the output through an adjustable resistor 8311.
  • the non-inverting input of the same amplifier 831 is connected on the one hand to ground through an adjustable resistor 8312, and on the other hand to a resistor 8313 which goes to an inverter 8314.
  • the inverter 8314 When a measurement concerns a single sensor, the inverter 8314 is in the position shown, to connect the non-inverting input of the amplifier 831 to ground. When, on the contrary, a measurement involves two sensors, in differential mode, the sensor. second is then connected to the input located at the bottom left of Figure 7, the inverter 8314 therefore being in the other position.
  • the measurement acquisition processor noted 802 first appears.
  • Two memories 803 and 804 are associated with it.
  • the memory 803 is a programmable read-only memory or pROM with a capacity of 4 kilobytes, while the memory 804 is a direct access memory or RAM with a capacity of 2 kilobytes.
  • a time counter 806 is also connected to the internal measurement acquisition bus 801, which receives the synchronization signals from the encoder device 510. This time counter 806 defines clock signals for the serial interface 807 which can transmit the quantities measured towards the unit 600 of FIG. 6.
  • Figure 9 illustrates the two calibration bodies consisting of a central unit and a desk.
  • the internal calibration bus is denoted 901, and is connected (on the right in the unit 900) to a calibration processor 902, associated with three memories 903, 904 and 905.
  • Memory 903 is a programmable read only memory or pROM capacity 10 kilobytes.
  • the memory 904 is a direct access memory or RAM with a capacity of 4 kilobytes.
  • the memory 905 is a direct access memory also RAM, with a capacity of 2 kilobytes, but saved, that is to say capable of retaining the information that is contained when the device and the entire installation do not are not in operation. This RAM 905 is useful for storing calibration data even when the machining installation is not working, taking into account the means used according to the present invention.
  • the internal bus 901 is connected (in the right part) to a time counter 906, which defines clock information for the serial interface 907 which is connected on the one hand to the internal calibration bus 901 and on the other hand to the logical measurement unit 600 of FIG. 6.
  • the links with the calibration console include 4 parallel interfaces 951 to 954, responsible respectively for ensuring the connections with the elements of the calibration console; Before examining these connections, the calibration console will be described with reference to Figure 10.
  • buttons which are noted 971 to 981, and allow you to define a certain number of status information for the machining installation (see below). Each button is associated with an indicator light which indicates whether the state in question is validated or not. All these buttons are managed via the parallel interface 951.
  • the calibration console also includes a keyboard 962, as well as switches 961, 963, 964 and 965.
  • the keyboard and these switches are managed through the parallel interface 952 in FIG. 9.
  • the calibration console includes a display block 995 for the displayed measurement data, as well as a display block 996 for indicating the extension number concerned by the display. These two digital displays are managed through the parallel interface 954 in FIG. 9.
  • the 961 key is a calibration key. In the OFF position, it prohibits calibration and any modification of the data relating to it. In the EN position, it authorizes the passage to calibration. If during a calibration the key is returned to the OFF position, the calibration is instantly stopped:
  • the rotary measurement selector 965 allows you to choose the dimension to be measured, from among those provided, and there are a maximum of 5: This selector is associated with the keys 979 (ON-BOARD STANDARD), 976 (MAX / MIN LIMIT), 978 (POST SIDE), 977 (DERIVATIVE), 975 (POST CORRECTION) and 974 (STANDARD DIMENSIONS).
  • data visualization is associated with the switch 963, which indicates whether one chooses to display the minimum or maximum data, as well as the key 981, which requests a MODIFICATION OF VALUE.
  • Table I below gives the combined actions allowed (YES) or prohibited (NO) on different keys and depending on the "calibration” or “production” status.
  • Key 973 constitutes a switch for passing from measurements in millimeters to measurements in internal units, that is to say to the raw digital values obtained by converting the output voltages of the conditioners of the sensors. In production, this switch has no action, since it is coupled to the development commands (not shown, and intended for maintenance).
  • the value modification key 981 allows you to start entering a new value using the keyboard 962.
  • the clear key (EFF) on the keyboard allows you to erase the last number entered.
  • the validation key (VAL) on the keyboard must be pressed to take into account the number entered by the electronic circuits, in which case the erase key no longer acts.
  • the station selection keys (vertical arrows) of the keyboard 962 make it possible to increment or decrement the station numbers, in combination with the display keys illustrated in table I above.
  • Switch 963 is associated with keys 974 (CALIBRATION SIDE), 976 (HAX / MIN LIMIT), and 979 (EMBEDDED CALIBRATION) and 977 (DERI V E).
  • switch 964 turns on all the LEDs on the display panel. Otherwise, the operator immediately identifies the faulty diodes. And the SIGN (-) key on the keyboard is to be used to modify the corrections.
  • the measured values that are. relating to targets actually measuring the size of a room are noted DATA 1-5.
  • Numberers 1 to 5 indicate that up to 5 different measured values can be obtained for each room and each station of the control module).
  • the measured values which relate to fixed on-board targets are denoted DATA 6 and 7. These data relate to the variations in time of the physical law of movement of the barrel of the control module.
  • FIGS. 8A and 8B relate to the acquisition of the measurements.
  • the acquisition flowchart begins with step 850, which is followed by initialization operations (step 851).
  • a test 852 examines whether the measurement acquisitions have been completed, otherwise we loop this step 852.
  • the acquisition of the measured values is carried out on interruption, in a manner known to those skilled in the art of microprocessors.
  • This interruption is illustrated in Figure 8B.
  • the starting point of the interruption is a step 860 which indicates that the position of the machine is correct for the acquisition of measured values.
  • this means that the measuring station MC13 is located opposite either a target of the control barrel which is in relation to a part (standard or part in production), or a fixed target on board the control barrel.
  • Step 861 of the interrupt triggers, in rapid sequence, a predetermined number of measurements of the same physical magnitude (by one of the 5 sensors in FIG. 8).
  • Step 862 establishes that these acquisitions have been completed, and leads to the end of the interruption.
  • test 852 is then YES.
  • Step 853 then calculates the average of the measurements which have just been made. Finally, step 854 stores this average (memory 804) at the same time as it transmits it to the Level unit ⁇ 600.
  • Step 911 includes the display of a number of passes, using the console 950. This number of passes (or passages) of the standards is defined using the 980 key and the keyboard, the switch 961 being in position "EN". In the absence of a definition of the number of passes by the user, the calibration unit will set arbitrarily the number of passes to 20.
  • the number of passes thus defined is displayed on display 995, during step 911 already mentioned.
  • the calibration flow chart includes a test 912 which examines whether calibration data is stored in the stored memory (memory 905). If such data is not available, step 913 inhibits the production mode, therefore forcing the user to perform a calibration and flashes the diode 991.
  • step 914 authorizes the transition to production mode, and step 915 sends the calibration data (thus found in memory 905) at Level 0 already mentioned.
  • step 916 examines whether the console 950 is actuated by the operator, and performs corresponding displays if necessary.
  • the operator can request the production mode (key 971) or the calibration mode (key 972).
  • step 917 test examines whether the operator has requested production mode. If so, step 918 examines whether this production mode is authorized. If yes, step 920 updates the display on the console 950, and informs the ⁇ Level of this transition to production mode. After that, the electronic calibration device goes into information reception mode from Level ⁇ . When such information is received (in production mode), step 922 calculates the drifts, and the coefficients, and returns them to the Level ⁇ . These calculations will be described below.
  • step 922 we pass to 923 for the test: "does the operator request a calibration?” (key 972 and key 961 EN). In the absence of such a request, we return to step 916, which normally results in a loopback on operations 920 to 922.
  • step 919 displays an error (switching on of 992). Then we go to test 923. Looping then occurs, until the operator performs a calibration mode.
  • test 917 determines if the operator is performing the calibration mode. A loop occurs through step 916 and tests 917 and 923 as long as the operator does not request any of the calibration and production modes.
  • test 923 goes to a new test 924 examining whether this constitutes a mode change and extinguishes the diode 991. If yes, step 925 informs the Level ⁇ . And we then go to the reception of the measurements relating to the calibration (made by the acquisition unit, and passing through the ⁇ level to come to the calibration unit). As long as test 927 indicates that the reception of the calibration measurements is not complete, we return (in a loop) through step 916 and step 926 (output not).
  • step 929 produces the storage thereof, in memory 904. We return to 916.
  • step 928 calculates the calibration data, and stores it in saved memory (905).
  • step 930 authorizes the transition to production mode. And we return to step 916.
  • corrections are. carried out item by item on the measured values.
  • a visualization of these corrections can be obtained by pressing the button 975 and the switch 965, to define the type of measurement chosen.
  • the desired station is obtained by pressing the station selection keys (arrow up or down) on the keyboard 962.
  • control module positions are displayed by pressing the 978 key, even if there is no socket at the user-defined position.
  • the drift represents the difference between the measurements made at the start (during the last calibration) on the on-board fixed targets and the measurements made at the present time on the on-board fixed targets. To obtain this difference, we select the measurement chosen by the switch 965, and the minimum or maximum target by the key 963. We also press the drift key noted 977.
  • index i to the positions of the control barrel, i varying from 1 to 8.
  • index j to the different measures, which we indicated previously that they can range from 1 to 5.
  • the calibration unit calculates minimum and maximum averages for each of the calibrated sockets, as follows:
  • the calibration unit then has values corrected
  • the data from the five measurements are corrected using Cij corrections, then converted to microns with the coefficients aj and ⁇ j.
  • the data of the on-board standard targets are corrected (Cej correction), and converted into microns (coefficients ⁇ j and ⁇ j) by the calibration unit.
  • the dimensions of the initial fixed on-board targets are the values calculated during the previous calibration. They correspond to the starting values of the fixed fixed on-board targets.
  • the current odds for fixed on-board targets are the moving averages of the measurements of minimum and maximum corrected fixed on-board targets. These sliding averages are carried out, over the last 16 measurements, by the Level ⁇ , and constitute an image of the mechanical drift of the module.
  • the minimum drift is equal to the difference between the target odds. fixed on-board minimum current (moving average) and the minimum fixed-target target dimension measured initially during the previous calibration.
  • the maximum drift is equal to the difference between the maximum current on-board fixed target dimension on a sliding average and the fixed on-board target dimension mzximum measured initially during the previous calibration.
  • the current fixed target odds on a sliding average are used as a basis for calculating and updating the conversion coefficients aj and ⁇ j at each turn of the control barrel.
  • the values of the dimensions in microns will be faithful due to the taking into account of the drift of the module.
  • the flow diagram of FIG. 6A constitutes a main monitor or program of the Level ⁇ unit.
  • the introduction step 610 is followed by an initialization step 611. After that, we simply loop around test 612, which determines whether the reception of information from the calibration unit is complete. If not, we go back to test 612. If yes, we go to step 613 which is the decoding of the current function, after which, this function being performed, we go back upstream of test 612.
  • the function decoding operation 613 introduces a series of steps illustrated in FIG. 6B.
  • test 614 which examines whether calibration data (corrections, coefficients) have just been received from the calibration unit. If so, step 615 stores this data in the memory 604 of Level ⁇ , and we go directly to step 622 of Return ending the flowchart of "Function Decoding". If not, test step 616 examines whether the calibration function is requested at the level of the calibration unit. On a yes answer, step 640 effectively establishes the calibration mode (see the description of FIG. 6C below).
  • step 618 examines whether the calibration data has been received. If this is the case, the transition to production mode is established in 670 which will also be described later with reference to FIG. 6D. If, on the other hand, the calibration data have not been received, we go directly to return 622, awaiting this data during a subsequent cycle.
  • test 619 examines whether the coefficients already mentioned (aj; ⁇ j etc) have been properly received by the Level ⁇ unit. If not, we go directly to the return to 622 while waiting for these coefficients. If so, we examine in 620 if the production mode is in progress (having been requested during a previous cycle). The production mode not being in progress, we again go back to 622. On the other hand, if the production mode is in progress, we go to step 621 which consists in storing these coefficients for later use, after which we returns to return step 622.
  • the steady state therefore goes through steps 614, 616, 617 and 618.
  • new values of the coefficients ⁇ j and ⁇ j are received, and then stored in step 621, by the path 614, 616, 617, 619, 620.
  • step 642 searches for the presence of the standard sockets, examines whether they are correctly placed consecutively and in the correct number. Test 643 then determines whether this examination revealed an error. If yes, step 644 sends an error code to the calibration unit (LED 992), and step 645 requests a return to the monitor of FIG. 6A.
  • test 646 determines whether the reception from the acquisition unit 800 of the measurement information acquired on the standard values has ended. If not, it is determined in test 947 whether a complete set of information has been received from the calibration unit 900. If not, we return to 646. If so, we go to step 648 of function decoding, which covers all the operations of FIG. 6B, then we return to 646 (except change of mode).
  • Step 649 processes the so-called 1-5 data, that is to say the data relating to the targets which are effectively integral with the relative mobile members. at a control barrel station.
  • step 650 performs another processing, relating to the targets which are fixed relative to the control barrel (Data 6 and 7).
  • step 651 starts the transmission of the measurement information to the calibration unit, by step 654, at the same time as it authorizes their transmission to Level I (unit 513), this time at step 655. And we return to 646.
  • test 651 results in another test 652 which examines whether complete information for a station has been obtained from the calibration unit 900. If no, we go to step 651. If yes, we go to the operation 653 for decoding a function which includes the operations of FIG. 6B, after which we return to test 651 to see if the examination of the position is complete (except change of mode requested during 653).
  • the Level 0 unit is content to closely monitor the acquisition of the measurement information as well as their use by the calibration unit, without ver ritably intervene in detail other than in processing operations 649 and 650.
  • test 672 examines whether the reception of the information acquired on the station under measurement is complete. If not, we will. loop on this test 672. If yes, go to test 673 which examines whether the reception of information from the calibration unit has ended. If not, we still loop on step 672. If yes, we go to step 674 of function decoding. Again, this is what has been described in connection with Figure 6B.
  • step 675 performs a processing of the Data 1 to 5 already defined, by correcting this data taking into account the calibration information, by converting them into microns, and by making tests and checks on the dimensions with respect to the established limit values.
  • step 676 processes the so-called Data 6 and 7, that is to say which relate to the fixed targets on board the control barrel.
  • the processing of these data allows, in the manner already indicated, the calculation of a sliding average, as well as the drift of the physical characteristics of the movement of the control barrel.
  • test 677 examines whether the current position has been completely analyzed. If not, we look at 678 if the reception of information in pro the calibration unit is finished. If not, we go to step 677. If yes, we go to step 679 for decoding the function.
  • step 680 starts the transmission of the information of the Level ⁇ towards the calibration unit, for the purposes for these of calculating the updates. necessary days as previously indicated.
  • step 681 authorizes the transmission of the measured information to level 1 of the electronics. After that, we return to step 672.
  • the Level ⁇ electronics receives, each time the machine advances by one step, the result of the measurements carried out by the acquisition card, i.e. a block of 5 data, in internal units, which represents the values ratings of the product present.
  • the result of the measurements carried out by the acquisition card i.e. a block of 5 data
  • internal units which represents the values ratings of the product present.
  • To these dimensions can be added one or two additional, which are the dimensions in internal units of the on-board standard targets. For certain positions of the machine, these values can naturally be absent, since it is not always necessary to provide two on-board standard targets for each control station.
  • the communications of the ⁇ level with the calibration unit consist in communicating to the latter the raw data coming from the acquisition unit.
  • the Level ⁇ of the electronics can also transmit to Level 1 the raw data, but in internal units, since the corrections and the conversion coefficients already mentioned are not yet known.
  • Level 0 essentially has the function of using the synchronization signals, in particular those which come from the encoder card 510 of FIG. 11, to assign to each of the 5 data coming from the acquisition unit. the position number on which the measurement took place, and the identity of the product concerned.
  • the Level ⁇ achieves a sliding average per target over the last 16 values (for example). These are the 5 raw measurements and the uncorrected moving averages and in internal unit which are therefore transmitted to the calibration unit.
  • the calibration unit communicates the new conversion coefficients so as to take account of the slightest variations and drifts in the machine.
  • the Level ⁇ unit therefore now knows the values converted into microns of the measurements, and can proceed with sorting using the rejection ratings in micron issued at the end of calibration or at the start of production. The validity of the ratings is checked by simple comparison with the two limit values. All this converted data is transferred to microns at Level 1, assigned an indicator giving the result of the odds check, ie GOOD, above the maximum, or below the minimum.
  • Level ⁇ which is close to acquisition (800) and calibration (900)
  • the structure which is illustrated in Figure 11 proceeds differently.
  • the information which has just been indicated is in fact used by the level I unit 513 to trigger the ejection of the product if a rejection is necessary. This ejection could for example be done at the level of the normal rejection station noted MC141 in FIG. 3.
  • the devices of the present invention allow physical control of parts in production. To this end, it is possible to verify in particular the operation of the control module, by introducing one or more standard flight pieces at the level of the station MC110 in FIG. 3, and by controlling the display of the dimensions of these standards in the appropriate manner. using the console 650. The standards will then not need to go through the recycling loop, and will be able to come out through the special rejection HC142.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Automatic Assembly (AREA)
  • General Factory Administration (AREA)
EP83401563A 1982-08-12 1983-07-28 Bearbeitungsvorrichtung bei kontinuierlichem Bewegungsablauf mit dimensionaler Steuerung Expired EP0102277B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83401563T ATE17530T1 (de) 1982-08-12 1983-07-28 Bearbeitungsvorrichtung bei kontinuierlichem bewegungsablauf mit dimensionaler steuerung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8214046A FR2531652A1 (fr) 1982-08-12 1982-08-12 Installation d'usinage en cinematique continue avec controle dimensionnel perfectionne
FR8214046 1982-08-12

Publications (2)

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EP0102277A1 true EP0102277A1 (de) 1984-03-07
EP0102277B1 EP0102277B1 (de) 1986-01-15

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US (1) US4596331A (de)
EP (1) EP0102277B1 (de)
AT (1) ATE17530T1 (de)
DE (1) DE3361855D1 (de)
FR (1) FR2531652A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923066A (en) * 1987-10-08 1990-05-08 Elor Optronics Ltd. Small arms ammunition inspection system
US20040158353A1 (en) * 2000-05-30 2004-08-12 Poterek Michael G. Inspection equipment integrity enhancement system
US6687638B2 (en) * 2001-08-10 2004-02-03 General Hills, Inc. Inspection equipment integrity enhancement system
KR101349034B1 (ko) 2012-06-27 2014-01-09 주식회사 대한신성 뇌관 장착기

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GB190911669A (en) * 1909-05-18 1910-05-12 George Frederick Seaton An Automatic Gauging and Sorting Machine for Small Arm Ammunition and the Component Parts thereof and the like.
US3074264A (en) * 1960-04-27 1963-01-22 Sheffield Corp Gaging device
DE1473782A1 (de) * 1965-04-22 1969-02-27 Censor Patent Versuch Verfahren zur selbsttaetigen Durchfuehrung von Laengenmessungen sowie sich selbsttaetig eichendes Mess- und Sortiergeraet zur Durchfuehrung des Verfahrens
DE2239979A1 (de) * 1972-08-14 1973-03-15 Werkzeugmasch Okt Veb System zur serienmaessigen fertigung von insbesondere zahnradfoermigen werkstuecken
FR2233665A1 (de) * 1973-06-18 1975-01-10 Toyoda Machine Works Ltd
FR2333412A7 (fr) * 1975-11-27 1977-06-24 Haut Rhin Manufacture Machines Machine de coupe de pieces tubulaires telles que des douilles de cartouche
DE2643759A1 (de) * 1976-09-29 1978-03-30 Brankamp Klaus Verfahren zur ueberwachung zyklisch wiederkehrender produktionsprozesse
FR2379335A2 (fr) * 1975-10-02 1978-09-01 Haut Rhin Manufacture Machines Dispositif de distribution de pieces comportant un moyen d'ejection commandee des pieces
FR2459196A1 (fr) * 1979-06-19 1981-01-09 Haut Rhin Sa Manuf Machines Appareil d'alimentation reguliere en pieces pour une machine de traitement en continu de ces pieces
DE2929673A1 (de) * 1979-07-21 1981-02-12 Pegard S A Bearbeitungszentrum
FR2463081A1 (fr) * 1979-08-10 1981-02-20 Haut Rhin Sa Manufactur Machin Machine de traitement de pieces avec recyclage repete des pieces sur un barillet operatoire

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US2356236A (en) * 1943-01-28 1944-08-22 Remington Arms Co Inc Gauging device
US3082871A (en) * 1960-10-17 1963-03-26 Itt Quality control sorting device
US3417476A (en) * 1966-05-02 1968-12-24 Bausch & Lomb Digital measuring apparatus
US3863349A (en) * 1973-06-11 1975-02-04 Perry Ind Inc Gaging apparatus
US3895356A (en) * 1973-10-10 1975-07-15 Kraus Instr Inc Automatic digital height gauge
GB1504537A (en) * 1975-06-12 1978-03-22 Secretary Industry Brit Automatic inspection of machined parts
US4331026A (en) * 1980-07-14 1982-05-25 The Boeing Company Indenter-type hardness testing apparatus
US4454947A (en) * 1981-12-07 1984-06-19 Olin Corporation Product inspection and ejection system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190911669A (en) * 1909-05-18 1910-05-12 George Frederick Seaton An Automatic Gauging and Sorting Machine for Small Arm Ammunition and the Component Parts thereof and the like.
US3074264A (en) * 1960-04-27 1963-01-22 Sheffield Corp Gaging device
DE1473782A1 (de) * 1965-04-22 1969-02-27 Censor Patent Versuch Verfahren zur selbsttaetigen Durchfuehrung von Laengenmessungen sowie sich selbsttaetig eichendes Mess- und Sortiergeraet zur Durchfuehrung des Verfahrens
DE2239979A1 (de) * 1972-08-14 1973-03-15 Werkzeugmasch Okt Veb System zur serienmaessigen fertigung von insbesondere zahnradfoermigen werkstuecken
FR2233665A1 (de) * 1973-06-18 1975-01-10 Toyoda Machine Works Ltd
FR2379335A2 (fr) * 1975-10-02 1978-09-01 Haut Rhin Manufacture Machines Dispositif de distribution de pieces comportant un moyen d'ejection commandee des pieces
FR2333412A7 (fr) * 1975-11-27 1977-06-24 Haut Rhin Manufacture Machines Machine de coupe de pieces tubulaires telles que des douilles de cartouche
DE2643759A1 (de) * 1976-09-29 1978-03-30 Brankamp Klaus Verfahren zur ueberwachung zyklisch wiederkehrender produktionsprozesse
FR2459196A1 (fr) * 1979-06-19 1981-01-09 Haut Rhin Sa Manuf Machines Appareil d'alimentation reguliere en pieces pour une machine de traitement en continu de ces pieces
DE2929673A1 (de) * 1979-07-21 1981-02-12 Pegard S A Bearbeitungszentrum
FR2463081A1 (fr) * 1979-08-10 1981-02-20 Haut Rhin Sa Manufactur Machin Machine de traitement de pieces avec recyclage repete des pieces sur un barillet operatoire

Also Published As

Publication number Publication date
EP0102277B1 (de) 1986-01-15
DE3361855D1 (en) 1986-02-27
FR2531652B1 (de) 1985-04-12
ATE17530T1 (de) 1986-02-15
US4596331A (en) 1986-06-24
FR2531652A1 (fr) 1984-02-17

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