WO2012122587A1 - Capteur d'usure - Google Patents

Capteur d'usure Download PDF

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Publication number
WO2012122587A1
WO2012122587A1 PCT/AU2012/000243 AU2012000243W WO2012122587A1 WO 2012122587 A1 WO2012122587 A1 WO 2012122587A1 AU 2012000243 W AU2012000243 W AU 2012000243W WO 2012122587 A1 WO2012122587 A1 WO 2012122587A1
Authority
WO
WIPO (PCT)
Prior art keywords
wear
electronic structure
monitoring unit
electronic
monitoring
Prior art date
Application number
PCT/AU2012/000243
Other languages
English (en)
Inventor
Damian GLOWINSKI
Original Assignee
Bradken Resources Pty Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2011900877A external-priority patent/AU2011900877A0/en
Application filed by Bradken Resources Pty Limited filed Critical Bradken Resources Pty Limited
Publication of WO2012122587A1 publication Critical patent/WO2012122587A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56—Investigating resistance to wear or abrasion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0664—Indicating or recording means; Sensing means using witness specimens

Definitions

  • the present invention generally relates to monitoring wear of a part, and particularly but not exclusively to a system for monitoring wear of a part, a device for monitoring wear of a part, a monitoring unit operative to obtain information indicative of the wear, and a wear assembly.
  • the excavation, transport and processing of minerals is performed by assets such as buckets, ground engaging tools, trucks, chutes, hoppers, mills, crushers, grizzly bars, balls and rings etc.
  • assets such as buckets, ground engaging tools, trucks, chutes, hoppers, mills, crushers, grizzly bars, balls and rings etc.
  • assets are subject to wear by the minerals. Consequently, many of these assets comprise wear resistant materials, and/or are sacrificially protected from wear by one or more replaceable bodies, such as wear plates, exposed to the wear.
  • wear encompasses, for example, erosion, abrasion (low stress and high stress), deformation by impact, and corrosion.
  • a wear body may be difficult or impossible to access.
  • a wear body may be unevenly worn. It may be difficult to determine when the wear body requires replacement. Early replacement of a wear body results in unnecessary down time and cost, but late replacement may risk damage to the asset being protected by the wear body.
  • a system for monitoring wear of a part comprising:
  • a structure arranged in use to wear as the part wears, the structure having an electrical characteristic that varies as the structure wears; and a monitoring unit operative to obtain information indicative of the wear of the part in response to the wear of the structure.
  • the structure is in electrical communication with or is capable of being brought into communication with the monitoring unit.
  • the monitoring unit is arranged to measure the electrical characteristic of the structure and determines the wear of the part based on this measurement.
  • the structure and the monitoring unit may have a plug and socket arrangement which enables the monitoring unit to be readily connected and disconnected from the structure.
  • the structure may be configured such that its electrical property is dependent on the degree of wear of the structure.
  • the electrical characteristic of the structure varies in a defined relationship with a reduction in the length of the structure as it wears.
  • the structure may comprise a plurality of electronic components.
  • the electrical characteristic may be an electrical property, preferably of the plurality of electronic components, such as resistance, capacitance or inductance. In another embodiment, the electrical characteristic may be the number of electronic components in the structure.
  • the system also comprises a communications unit in communication with the monitoring unit and arranged to transmit transmission data indicative of the information obtained by the monitoring unit.
  • the communications unit is arranged to wirelessly transmit the transmission data.
  • the system also comprises a mounting assembly for mounting the structure to the part.
  • the mounting assembly may comprise a threaded hollow portion welded to or formed in the part and a threaded member that couples to the hollow portion, the structure being secured to the threaded member.
  • a device for monitoring wear of a part comprising:
  • a structure arranged in use to wear as the part wears, the structure having an electrical characteristic which is measurable to generate information indicative of the wear of the part.
  • a device for monitoring wear of a part comprising:
  • a structure that is arranged in use to wear as the part wears, wherein the structure has a plurality of discrete electronic components arranged such that the components are worn sequentially as the part is progressively worn.
  • a device for monitoring wear of a part comprising:
  • a structure comprising a printed circuit board to which are mounted electronic components, the printed circuit board being arranged in use to wear as the part wears, the structure having an electrical characteristic that is measurable to generate information indicative of the wear of the part.
  • the structure comprises an elongate body.
  • the structure has an average maximum width of less than or equal to 10 mm.
  • the structure may have an average maximum width of less than or equal to 1 .6 mm.
  • the structure may have an average maximum width of less than or equal to 1 .0 mm.
  • the structure may have an average maximum width of less than or equal to 0.6 mm.
  • the structure is disposed within a protective casing.
  • the outer diameter of the casing may be around 10 mm or less.
  • the outer diameter of the casing may be around 6 mm or less.
  • the outer diameter of the casing may be around 1 mm or less.
  • the structure may be protected by a coating.
  • a plurality of electronic components arranged sequentially is disposed along the elongate body.
  • the components may be active or passive, but are preferably passive.
  • the components may be electrically connected in parallel.
  • Each electronic component of the structure may have a respective component value of the electrical characteristic of the structure and may be configured such that the electrical characteristic of the structure increases in value as the structure is worn away, preferably in substantially equal amounts for equidistant steps of wear.
  • Two conductors may extend along a substantial portion of the elongate body of the structure.
  • Each of the electronic components may electrically connect the conductors.
  • each of the electronic components comprises a resistor.
  • the resistance of the structure may be measured to determine the degree of wear of the part.
  • each of the electronic components comprises an inductor.
  • the inductance of the structure may be measured to determine the degree of wear of the part.
  • each of the electronic components may be a capacitor.
  • the capacitance of the structure may be measured to determine the degree of wear of the part.
  • the device comprises a threaded member to which the electronic structure is secured.
  • the threaded member may be a bolt.
  • the structure may comprise a printed circuit board or an integrated circuit.
  • the electronic components may be integrated onto the integrated circuit.
  • a monitoring unit arranged to simultaneously connect to a plurality of devices according to any one of the above disclosed aspects and further arranged to obtain information indicative of the wear of the part in response to the wear of the structure of each device.
  • a wear assembly for an apparatus, the assembly comprising a wear part that has a wear surface arranged to wear in operation of the apparatus, and one or more wear sensors embedded in the wear part, at least one characteristic of the one or more wear sensors being operative to vary in response to wear of the part.
  • each sensor includes an elongate body that extends along a longitudinal axis.
  • the body may be disposed generally perpendicular to the wear surface of the wear part.
  • the wear assembly further comprising a plurality of the wear sensors.
  • the wear sensors may be disposed across the wear surface of the wear part.
  • the wear sensors may be disposed in a regular array.
  • each wear sensor is used in establishing the state of the wear on the wear surface.
  • Each sensor may include a plurality of discrete electronic components.
  • the at least one characteristic may be the number of electronic components on each sensor.
  • each of the wear sensors comprises a device in accordance with any one of the above disclosed aspects.
  • a monitoring unit for monitoring the wear of a part comprising:
  • a coupling member for coupling to a wear sensor embedded in the part to bring the apparatus into electrical communication with the wear sensor; and a processor for obtaining information indicative of the wear of the part in response to wear of the wear sensor.
  • the processor obtains the information indicative of the wear of the part by measuring an electrical characteristic of the wear sensor.
  • the monitoring unit also comprises a power supply for supplying electricity to the wear sensor, preferably via the coupling member.
  • the coupling member comprises a plug or socket for coupling to a corresponding socket or plug of the wear sensor.
  • the monitoring unit comprises a user interface.
  • the user interface may comprise a display such as a screen for example.
  • the monitoring unit also comprises a storage means, such as a hard drive, for storing the obtained information.
  • a storage means such as a hard drive
  • Figure 1 shows a schematic view of an embodiment of a system for monitoring wear of a part, comprising a wear sensor device embedded in a portion of the part;
  • Figure 2 shows the system and part of Figure 1 after the part and the wear sensor device have been worn
  • Figure 3 shows an image of an example of a plurality of structures that may each be used in a respective device
  • Figure 4 shows an example circuit diagram for a structure within the device shown in Figure 1 ;
  • Figure 5 shows an image of another embodiment of a wear sensor device for monitoring wear of a part
  • Figure 6 shows a schematic view of the embodiment of the device shown in Figure 5, embedded in a portion of the part;
  • Figure 7 shows an image of a wear resistant body having a slot formed in a side thereof in which a wear sensor device according to embodiments of the present invention can be disposed to monitor wear of the wear body;
  • Figure 8 shows a schematic diagram of an example processor of a monitoring unit of a system for monitoring wear of a part according to embodiments of the present invention
  • Figure 9 shows a schematic view of another embodiment of a system for monitoring wear of a part
  • Figure 10 shows an image of a mounting assembly for mounting a wear sensor device of the system of Figure 9 to the part, mounted to the part;
  • Figure 1 1 shows an image of elements of the system of Figure 9 including the mounting assembly. Detailed description of the invention
  • Figure 1 shows a schematic view of an embodiment of a system for monitoring wear of a part, comprising a device generally indicated by the numeral 10, embedded in a portion of a part generally indicated by the numeral 12.
  • the part may be used, for example, in the mining and mineral processing industries to protect assets.
  • the system may, however, be used to monitor wear generally.
  • the system may, for example, be used to monitor wear of a tool used, for example, in a factory.
  • the system may be used to monitor wear of bearings such as roller bearings, valves such as pump valves, and generally any machine part that may experience wear.
  • the part 12 is in the form of a wear plate or liner disposed over a body 14 of a chute, and the device is in the form of a wear sensor.
  • the part may comprise, for example, any one of metallic white iron, hard alloy steel, chromium carbide, ceramic, polyurethane, polymer, and rubber.
  • An exposed face 16 of the part 12 in use experiences wear from minerals that travel along the chute.
  • the chute is shown before experiencing wear.
  • FIG 2 shows the device 10 and part 12 of Figure 1 after some time in which minerals have travelled along the chute.
  • the device 10 and part 12 have been partially worn down. In use, the device wears as the part wears.
  • the part has sacrificially protected the chute body 14 from wear.
  • the device 10 has a structure 18 which has a measureable electrical characteristic that can be monitored by a monitoring unit generally indicated by the numeral 20, electrically connected via an electrical cable 22 to the structure.
  • the electrical characteristic of the structure changes as the device is worn down.
  • the characteristic is resistance but other electrical properties such as inductance and capacitance, or a logical electronic property or the number of electronic components in the structure, may be similarly exploited.
  • the structure is arranged so that the electrical characteristic can be monitored by the monitoring unit 20 and monitoring unit 20 can then generate information indicative of the wear of the part based on that electrical characteristic of the structure.
  • the embodiment of the monitoring unit shown in Figure 1 has multiple electrical cables, such as those indicated by numerals 24 and 26, depending from it. Each cable may be electrically connected to a wear sensor device similar or identical to that indicated by numeral 10.
  • the monitoring unit 20 can be used to monitor any one of the connected wear sensors.
  • the wear sensors may be disposed across the wear surface of the wear part 12, or may be located in separate parts. In some applications, the wear sensors are disposed in a regular array.
  • FIG 3 shows an image of a plurality of example structures 18 that may each be used in a respective wear sensor device such as that indicated by the numeral 10.
  • the structure 18 is one of ten such structures, each structure is generally indicated by a respective one of the numerals 18 and 31 to 39.
  • the structures are detached from end portions 42 and 43 of a card, generally indicated by the numeral 61 , during assembly of the respective devices.
  • the card may be fabricated by a printed circuit board fabrication system.
  • the structure 18 comprises an elongated body in the form of a circuit board 40.
  • the employment of the resistors enables the monitoring unit 20 to obtain information indicative of the wear of the part based on the resistance of the structure. It is to be understood of course that in other embodiments other electronic components could be arranged on the board 40, such as capacitors and inductors which would enable the monitoring unit 20 to obtain this wear information based on the capacitance or inductance of the structure 18.
  • the electronic components are electrically connected in parallel across two conductors respectively indicated by the numerals 56 and 58 that run along the elongate body.
  • the conductors 56,58 are terminated at contacts 57 and 59 to which a respective wire of the cable 22 are soldered or otherwise connected.
  • Surface mount technology generally has good integrity, reliability, and immunity to the extreme vibrations that are sometimes experienced in high wear environments.
  • the length of the electronic structure depends on the thickness of the wear part to be monitored. Typically, the length is in the range of 5 mm to 200 mm although other lengths are appropriate in some circumstances.
  • An advantage in embodiments is the great flexibility in structure length that is achievable.
  • the printed circuit board is, in this embodiment, 3 mm wide and 1 mm thick but other embodiments have smaller or larger values.
  • resistors are mounted on both sides of the circuit board.
  • the resistors on one side of the board may be offset with respect to the resistors on the other side of the circuit board (an array on one side staggered with respect to an array on the other side). Consequently, the depth resolution of the sensor may be greater than the case when components are only mounted to one side of the circuit board for a given length of circuit board.
  • FIG 4 shows an example circuit diagram for the structure within the device of Figure 1 .
  • Each electronic component in Figure 4, a resistor
  • a resistor has a respective component value (ie. resistance) such that the measured value of that electrical characteristic increases in substantially equal steps as the components are sequentially worn away.
  • Any number of resistors - more or less than the ten shown - can be used in which case the resistor values shown in Figure 4 may be altered.
  • the following algorithm can be used to calculate the values for an arbitrary number of resistors within the wear sensor device 10 such that the measured value of resistance increases in substantially equal steps.
  • the number of and individual resistance values of the resistors can be calculated as follows:
  • the surface mounted resistors used in this embodiment have a length of 1.6 mm, however resistors having smaller lengths, such as 1.0 mm, 0.6 mm, or even less may be used.
  • the width of the circuit board, and thus the wear sensor device is typically dependent on the width of the resistors.
  • the small transverse extent of the wear sensor device 10 means only a small area of the wear surface of the part 12 is disturbed by installation of the device 10 and the wear properties of the part are therefore substantially unaltered. Because the wear sensor device 10 and in particular the structure 18 is typically softer than the part 12 it may wear faster than the part (ie. preferentially wear).
  • the end of the wear sensor device may be below the wear surface 16 of the part 12 during use. This may result in a wear measurement that over-estimates the amount of wear that the part 12 has experienced.
  • the smaller the wear senor device width the smaller the width of the aperture it is disposed in and the better the structure 18 is protected from preferential wear.
  • having a narrow wear sensor device may provide a more accurate wear measurements can be taken.
  • Over estimation of wear may result in cessation of an operation, which may be massively expensive.
  • the use of surface mounted components and/or integrated circuits facilitates small wear sensor device widths.
  • the printed circuit board is, in this embodiment but not necessarily all
  • a settable adhesive, resin, potting agent or the like disposed in a protective polyethylene tube into which a settable adhesive, resin, potting agent or the like is then forced.
  • a low shrinkage epoxy resin is forced into the tube. The epoxy sets to form a sensor which is flexible.
  • Another example of a structure is an integrated circuit having conductive tracks and integrated resistors formed thereon.
  • the physical layout of the integrated resistors and conductive tracks may be conceptually similar to that of the board 40 and the circuit of Figure 5, although it may not be.
  • the electronic component size may be greatly reduced and the number of resistors greatly increased, to give a far superior depth resolution.
  • Device integrity, reliability, and immunity to the extreme vibrations that are sometimes experienced in high wear environments, may also be superior in an integrated circuit.
  • the elongate structure 18 is inserted distal end first through a steel collar 17 and then into a passage through both the chute body 14 and wear plate 12.
  • the structure 18 is disposed generally perpendicular to the wear surface 16 of the wear plate, but it need not be.
  • the distal end of the structure 18 is aligned with the wear surface 16 of the wear plate 12.
  • a settable adhesive, resin, sealant, potting agent or the like may be forced to fasten the structure 18 in place and close the hole to the entry of debris.
  • a low shrinkage epoxy resin is forced into the passage.
  • the embedded structure 18 need not have the protective tube.
  • the electronic components provided on the structure 18 are worn sequentially as the part 12 is progressively worn.
  • the structure 18 may be of any achievable length.
  • Figures 6 and 7 show another embodiment of a system for monitoring wear of a part comprising a device 58 generally indicated by the numeral 58.
  • the device 58 has a structure 18 in the form of a printed circuit board connected to a cable 64.
  • the board is concealed by a protective polyethylene tube 60. This is as described above.
  • one end of the cable used to connect the wear sensor device 58 to the monitoring unit 20 is terminated with a connector 68 for connection with a compatible socket on the monitoring unit.
  • the other end of the cable 64 is disposed and fastened within a cavity formed through a threaded member in the form of a bolt 62.
  • a settable adhesive, resin, potting agent or the like may be disposed into the cavity to fasten the cable 64 to the bolt.
  • a low shrinkage epoxy resin is used.
  • the bolt is a M12 bolt with a hexagonal head, but any suitable threaded member may be used. Smaller fasteners have the advantage of disturbing operation of the part 70 less.
  • Figure 7 shows a schematic view of the device 58 embedded in a portion of a part generally indicated by the numeral 70 where parts like those in the previously described figures are similarly numbered.
  • the thread of the bolt 62 engages a corresponding thread of a nut 73 attached to the chute body by an annular weld 71 .
  • a nut 74 threaded on the bolt locks the device 58 in place.
  • the bolt 62 and nuts 70, 74 form a mounting assembly for mounting the wear sensor device 58 to the part 70.
  • the threads of the mounting assembly parts allow for precise depth adjustment of the structure 18 in the part 70 so that its distal end is properly aligned with the wear surface 16 of the part 70. It also facilitates on-site installation or removal of the device 58. If desired, the structure 18 can be removed and physically measured to determine the wear, and then put back in place. This is advantageous if a monitoring unit is unavailable or cannot be used.
  • the bolt may be fastened in place using an adhesive or weld.
  • the bolt 62 may be operable to align the structure 18 as described above.
  • the bolt or another form of threaded member may also be used to secure the part 70 to an asset.
  • additional passageways need not be made through the asset and/or part which may be disadvantageous in certain
  • Figure 8 shows an image of a part 100 having a slot 102 formed in a side thereof in which a wear sensor device 10, 58 can be disposed.
  • the part forms part of a liner for a side wall of a chute, incorporating rock boxing technology.
  • the liner has an aperture 104 formed therethrough in which the structure 18 may be disposed.
  • the part comprises a white iron portion brazed to a steel backing which is in turn welded to a liner substrate.
  • the wear sensor device 10, 58 is not limited to being disposed in such a slot in the side of the wear body but can be located anywhere on the part that is to be monitored for wear.
  • FIG 9 shows a schematic diagram of an example processor of a monitoring unit, such as the monitoring unit of Figure 1 , the processor being generally indicated by the numeral 80.
  • a fixed value resistor 82 of resistance R A is electrically connected in series with the wear sensor device 10 of resistance RSENSOR- In this embodiment, R A is 500 Ohms but other values may be used.
  • the resistance of the wear sensor device drops as successive resistor components in the structure 18 are worn away from it.
  • a set voltage V DD -Voo is applied across the resistors from a power source.
  • the terminals of R A are connected to respective terminals T 1 and T 2 of an analogue-to-digital converter unit 84 of a PIC microprocessor generally indicated by numeral 86. Any suitable microprocessor may be used.
  • analogue-to-digital converter there may be multiple analogue-to-digital converters, each ready to measure a corresponding sensor.
  • a switch may be provided to switch in any one of the sensors across the terminals of a single analogue-to-digital converter.
  • the voltage across the resistor R A is converted to a digital signal by the analogue-to-digital unit, and the digital signal is then communicated to a logic unit 88 of the microprocessor 86.
  • the logic unit 88 processes the signal to generate information indicative of the wear of the part in response to the wear state of the structure 18. For example, it may compare the voltage across R A against a look-up table stored in the processor 80 and from that generate information indicative of the length of the structure that has been worn away. The length may correspond to the depth or degree of wear of the wear plate.
  • the information may be sent to a communications unit 90 for transmission.
  • the communications unit 90 may provide wireless transmission of the information.
  • it may have WiFi, Zigbee, or an analogue transmitter.
  • any wireless transmission system may be suitable.
  • Remote reading of the wear sensor device 10 may be
  • the reading may be taken remotely, for example by a receiver unit located adjacent the controls of the asset, or at an office.
  • the communications unit may have a connector, such as a serial connector 98, for transmitting the information to another computational device or computer to be recorded and further analysed.
  • the computer (or even the processor) may be running software that has determined from the information it receives the average rate of wear, and from this extrapolate the present wear. Using this approach the current amount of wear can be predicted even though actual changes in signal may only occur when one of the resistors fail or break away.
  • the monitoring unit may have a storage means such as a hard drive for storing the information generated by the logic unit 88. This information may be periodically downloaded from the storage means to a computer for further analysis and/or data storage.
  • the processor 86 also may have a user interface 92.
  • the interface has a button 94 and a display 96 which presents wear information, which may be, for example, any one of resistance, the depth of wear, the thickness of the wear part remaining, whether the wear part needs replacement, etc. Any of these or similar information may also be communicated to the communications unit for subsequent transmission. Pressing the button 94 may, for example, cause the display to cycle through readings for each of the sensors connected to the monitoring unit.
  • FIG. 9-1 1 a system for monitoring wear of a part comprising a wear sensor device 1 10 according to another embodiment is shown.
  • the device 1 10 is similar to earlier described devices 10, 58.
  • the system of Figures 9-1 1 comprises a different type of connection arrangement between the device 1 10 and the monitoring unit 20 to enable electrical communication between them.
  • the device 1 10 has a male coupling portion 1 15 that is receivable in a complimentary female coupling portion 1 16 that is attached to a cable 22 connected to the monitoring unit 20.
  • the male coupling portion could be attached to the cable and the wear sensor device could be provided with the female coupling portion.
  • the coupling portions 1 15, 1 16 can be readily connected and disconnected.
  • the male coupling portion 1 15 is connected by appropriate wiring 1 17 to the structure 18 which is arranged in use to wear as the part wears.
  • a threaded portion 120 of the male coupling portion 1 15 and a threaded tube 121 that is welded to the part 12 form a mounting assembly for mounting the structure 18 to the part being monitored for wear. This mounting may be made at any suitable location on the part 12.
  • the sensor operates on the simple principles of resistance, providing for a relatively simple implementation
  • the sensor is amenable to low cost manufacture
  • Narrow sensors can be made which when installed minimally disturb wear properties and which also ameliorates preferential wear of the probe improving measurement accuracy.
  • the sensor may have good integrity, reliability, and immunity to the extreme vibrations that are sometimes experienced in high wear environments.
  • the sensor may be installed by relatively unskilled personnel onsite or alternatively preinstalled.
  • Sensor can be built into wear product or bolted on.
  • Monitoring unit can be readily connected to and disconnected from the wear sensor device to enable periodic monitoring of wear of the part In addition this means that it is not required to have the monitoring unit permanently connected to the wear sensor device.
  • the monitor may be a resistometer or multimeter.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

L'invention porte sur un dispositif et sur un système de surveillance d'usure, et sur un ensemble d'usure.
PCT/AU2012/000243 2011-03-11 2012-03-09 Capteur d'usure WO2012122587A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2011900877A AU2011900877A0 (en) 2011-03-11 Wear sensor
AU2011900877 2011-03-11

Publications (1)

Publication Number Publication Date
WO2012122587A1 true WO2012122587A1 (fr) 2012-09-20

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019018883A1 (fr) * 2017-07-26 2019-01-31 International Materials & Technology Pty Limited Revêtements d'usure
EP3530821A1 (fr) 2015-02-13 2019-08-28 ESCO Group LLC Surveillance de produits d'attaque du sol destinés à un équipement de terrassement
WO2020102921A1 (fr) * 2018-11-23 2020-05-28 VIVEROS GUNCKEL, Pablo Ensemble plaque d'usure pour surveiller à distance l'usure de plaques d'usure de machines, système et procédés associés
US20210381995A1 (en) * 2020-06-04 2021-12-09 Ceramic Technology, Inc. Ceramic smart impact panel
WO2023183971A1 (fr) * 2022-03-30 2023-10-05 K F Group Pty Ltd Plaque d'usure

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Publication number Priority date Publication date Assignee Title
EP0616144A1 (fr) * 1993-03-16 1994-09-21 VDO Adolf Schindling AG Capteur pour indicateur d'usure à niveaux multiples, en particulier pour garnitures de freins
US6360850B1 (en) * 2000-07-20 2002-03-26 Dana Corporation Progressive brake lining wear sensor
US20030006896A1 (en) * 2001-06-29 2003-01-09 Passwater Michael F. Brake wear sensor
WO2010096873A1 (fr) * 2009-02-27 2010-09-02 Brian Investments Pty Ltd Capteur d'usure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0616144A1 (fr) * 1993-03-16 1994-09-21 VDO Adolf Schindling AG Capteur pour indicateur d'usure à niveaux multiples, en particulier pour garnitures de freins
US6360850B1 (en) * 2000-07-20 2002-03-26 Dana Corporation Progressive brake lining wear sensor
US20030006896A1 (en) * 2001-06-29 2003-01-09 Passwater Michael F. Brake wear sensor
WO2010096873A1 (fr) * 2009-02-27 2010-09-02 Brian Investments Pty Ltd Capteur d'usure

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3530821A1 (fr) 2015-02-13 2019-08-28 ESCO Group LLC Surveillance de produits d'attaque du sol destinés à un équipement de terrassement
EP3530820A1 (fr) 2015-02-13 2019-08-28 ESCO Group LLC Surveillance de produits de contact avec le sol pour équipement de terrassement
EP3530818A1 (fr) 2015-02-13 2019-08-28 ESCO Group LLC Surveillance de produits d'attaque du sol destinés à un équipement de terrassement
EP3530819A1 (fr) 2015-02-13 2019-08-28 ESCO Group LLC Surveillance de produits d'attaque du sol destinés à un équipement de terrassement
WO2019018883A1 (fr) * 2017-07-26 2019-01-31 International Materials & Technology Pty Limited Revêtements d'usure
US11261028B2 (en) 2017-07-26 2022-03-01 International Materials & Technology Pty Limited Wear liners
WO2020102921A1 (fr) * 2018-11-23 2020-05-28 VIVEROS GUNCKEL, Pablo Ensemble plaque d'usure pour surveiller à distance l'usure de plaques d'usure de machines, système et procédés associés
US20210381995A1 (en) * 2020-06-04 2021-12-09 Ceramic Technology, Inc. Ceramic smart impact panel
US11733194B2 (en) * 2020-06-04 2023-08-22 Ceramic Technology, Inc. Ceramic smart impact panel
WO2023183971A1 (fr) * 2022-03-30 2023-10-05 K F Group Pty Ltd Plaque d'usure

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