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US20040216829A1 - Systems and methods for welding of parts - Google Patents

Systems and methods for welding of parts Download PDF

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Publication number
US20040216829A1
US20040216829A1 US10/633,177 US63317703A US2004216829A1 US 20040216829 A1 US20040216829 A1 US 20040216829A1 US 63317703 A US63317703 A US 63317703A US 2004216829 A1 US2004216829 A1 US 2004216829A1
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United States
Prior art keywords
welding
curve
time
actual
parts
Prior art date
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Abandoned
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US10/633,177
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English (en)
Inventor
Kevin Gordon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schunk Ultraschalltechnik GmbH
Original Assignee
Stapla Ultrasonics Corp Inc
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
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Application filed by Stapla Ultrasonics Corp Inc filed Critical Stapla Ultrasonics Corp Inc
Assigned to STAPLA ULTRASONICS CORPORATION, INC. reassignment STAPLA ULTRASONICS CORPORATION, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GORDON, KEVIN, JR.
Priority to CA002437647A priority Critical patent/CA2437647A1/fr
Priority to MXPA03008724A priority patent/MXPA03008724A/es
Publication of US20040216829A1 publication Critical patent/US20040216829A1/en
Assigned to SCHUNK ULTRASCHALLTECHNIK GMBH reassignment SCHUNK ULTRASCHALLTECHNIK GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: STAPLA ULTRASONICS CORPORATION, INC.
Priority to US11/743,286 priority patent/US7491280B2/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9241—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power
    • B29C66/92441—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power the pressure, the force or the mechanical power being non-constant over time
    • B29C66/92443—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power the pressure, the force or the mechanical power being non-constant over time following a pressure-time profile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/929—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges
    • B29C66/9292—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges in explicit relation to another variable, e.g. pressure diagrams
    • B29C66/92921—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges in explicit relation to another variable, e.g. pressure diagrams in specific relation to time, e.g. pressure-time diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/32—Wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
    • B29C66/9512—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools by controlling their vibration frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
    • B29C66/9513—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools characterised by specific vibration frequency values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
    • B29C66/9516—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools by controlling their vibration amplitude
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/959—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables
    • B29C66/9592—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables in explicit relation to another variable, e.g. X-Y diagrams

Definitions

  • German Patent Application DE 198 10 509 describes welding of dissimilar materials without prior tests.
  • ultrasonic waves can be coupled into a welding material and recorded as a measurement signal based on interactions with a joining layer.
  • the measurement signal can be stored in a measurement data memory.
  • an evaluation unit can use the measurement signal to determine characteristic quantities for a welding process.
  • German Patent Application DE 43 21 874 A1 describes control and regulation of process parameters during ultrasonic welding of plastic parts.
  • the joining force can be measured during welding to monitor the energy applied to the joining point between the parts being welded.
  • European Patent Application EP 0 567 426 B1 describes a method for welding of plastic parts in which an oscillation amplitude of a sonotrode that is welding plastic parts can be reduced after a pre-determined time. As such, the sonotrode can work at a reduced oscillation amplitude during a remaining welding time.
  • a control signal for reducing the oscillation amplitude can be triggered directly or indirectly based on the power transmitted to the parts being welded, as described, for example, in International Patent Application Publication WO 98/49009 and U.S. Pat. Nos. 5,435,863, 5,658,408, and 5,855,706.
  • German Patent Application DE 101 10 048 A1 describes checking connections made by ultrasonic wire bonding.
  • connections can be monitored on-line based on pre-determined stored master values and, based on monitoring the connections, conclusions can be drawn about the strength of the connections.
  • a method for welding of parts can include generating a measured or actual curve of a time-dependent welding parameter during welding, comparing the actual curve with a set curve during the period between to (the starting time of the set curve) and t e (the ending time of the set curve), and, based on a difference between the actual curve and the set curve, altering one or more welding process parameters such that the actual curve approaches the set curve during further welding.
  • the set curve and the actual curve can be compared at least at a time t 1 , in which t 0 ⁇ t 1 ⁇ t e ,
  • the set curve and the actual curve can be compared at identical welding parameter values (e.g. power values) and/or identical areas underneath the curves (e.g. energy values).
  • the set curve and the actual curve can be compared based on an energy input, which can be represented by the integral of a power vs. time curve.
  • changes to one or more welding process parameters can be based on comparisons made at one or more times (for example, times t 1 , t 2 , . . . , t n , with n ⁇ 2) between the set curve and actual curve.
  • the welding process parameters can be gradually altered over time.
  • the welding process parameters can be regulated based on the differences between the set curve and actual curve.
  • the welding process parameters can be altered based on stored values associated with the set curve (e.g. from tables of values associated with the set curve) and/or based on mathematical functions (e.g. extrapolations and/or interpolations based on the tables of values).
  • the disclosed methods can be used in ultrasonic welding of parts.
  • the methods can be used with an ultrasonic welding device that includes a generator, a converter, and a sonotrode.
  • the time-dependent welding parameter can include the emitted and/or the received power of an ultrasonic welding device.
  • the welding process parameters can include one or more of an oscillation amplitude of a sonotrode, a pressure acting on the parts being welded, a force acting on the parts being welded, an energy input from a sonotrode, and an oscillation frequency of a sonotrode.
  • FIG. 1 shows power vs. time curves for one system for welding conductors.
  • FIGS. 2-5 show power vs. time curves for an exemplary system for welding conductors.
  • FIG. 6 shows an exemplary system for welding conductors.
  • values of welding parameters for previous empirically-determined “good” welds of conductors can be stored and associated with the total cross-sections of the conductors that were welded.
  • the welding parameters can include one or more of pressure, amplitude, frequency, tool size, energy, welding time, and other parameters known to those of ordinary skill in the art.
  • a weld of conductors having a given total cross-section can be performed based on the stored parameters associated with the given total cross-section. For example, during welding, a welding parameter (e.g. a power) can be compared to a corresponding stored parameter.
  • a time window ⁇ t following the stored welding end time t e can be determined.
  • the time window ⁇ t can be based on the time t e ⁇ t 0 , where t e is the stored welding end time and to is the stored welding start time.
  • the time window At can range from about 10% to about 20% of the time difference t e ⁇ t 0 .
  • a weld can be classified as a “good” weld if a weld of conductors can be completed between t e and t e + ⁇ t.
  • a weld can be classified as an “insufficient” weld if the weld of conductors cannot be completed until after t e + ⁇ t.
  • a power vs. time curve for a good weld can be empirically determined, in which the area underneath the curve can represent the energy input associated with a weld of conductors having a total cross-section.
  • a subsequent welding of parts having the same total cross-section can be classified as “good” if the end time of welding occurs within the power vs. time curve or in a subsequent time window thereafter.
  • FIG. 1 shows power vs. time curves for the previously described method.
  • the power vs. time curve labelled 10 can correspond to a set curve associated with a satisfactory weld of conductors.
  • the subsequent welds can be completed at different times, such as the times t e1 , and t e2 .
  • welds in which the end of welding occurs before t e of set curve 10 or within a subsequent time window ⁇ t after t e can be deemed good.
  • the weld represented by the curve 12 can be deemed good, since welding for curve 12 was completed at the time t e1 , which time occurs within the time window ⁇ t of the time t e .
  • the weld represented by the curve 14 can be rejected, because welding for curve 14 was completed at the time t e2 , which time occurs later than the time t e + ⁇ t.
  • the time window ⁇ t can range from about 10% to about 20% of the duration of welding (i.e. the time difference t e ⁇ t 0 ) associated with the set curve 10 .
  • the disclosed systems and methods can regulate welding processes to compensate for one or more of these factors.
  • FIGS. 2-5 shows power vs. time curves for an exemplary system for welding of conductors, in which set curves are labelled with reference numeral 10 .
  • set curves are labelled with reference numeral 10 .
  • comparisons can be made between welds having total cross-sections that are substantially identical to the cross-section of the weld used to generate the set curve 10 .
  • the comparisons can be made at one or more times, at one or more constant power values (i.e. when the set curve and an actual curve have the same power value), and/or at one or more constant energy input values (i.e. when the set curve and an actual curve have the same integrated area).
  • a comparison can be made at a time, e.g. time t 1 , between the set curve 10 and one or more actual curves ascertained during welding, such as actual curves 16 (dash-dotted) and 18 (dashed).
  • the actual curve 16 can have a power value that is less than the power value of the set curve 10 .
  • one or more welding process parameters in the weld represented by the actual curve 16 can be changed so that the actual curve 16 can approach the set curve 10 .
  • a welding process parameter such as the amplitude of a sonotrode and/or a force exerted by the sonotrode on the parts being welded can be changed (e.g. increased or decreased).
  • one or more welding process parameters can be increased based on an actual curve having a power value that is less than a power value of a set curve at a given time, while one or more welding process parameters can be decreased based on an actual curve having a power value that is greater than a power value of a set curve at a given time.
  • a comparison can be made at a second time that is later than a first time, e.g. at a time t 2 that is later than the time t 1 .
  • the actual curve 16 can approach the set curve 10 , i.e. the former can comes closer to the latter at times t later than t 1 .
  • the actual curve 16 can have a power value that is greater than the power value of the set curve 10 at time t 2 .
  • one or more welding process parameters can be changed based on this difference between the actual curve 16 and the set curve 10 .
  • the amplitude and/or the force associated with a sonotrode can be changed (e.g. reduced).
  • the total energy input can be changed.
  • regulation of welding can be performed at various frequencies of an ultrasonic welding device, for example, at frequencies including one or more of 20 kHz, 35 kHz, 40 kHz, etc.
  • the welding represented by the actual curve 16 can be completed at a time t e3 which can be later than the end time t e of the set curve 10 .
  • a good weld can be formed regardless of whether the welding end time (e.g. t e3 ) occurs with a pre-determined time window ⁇ t of the ending time t e of the set curve 10 .
  • a “good” weld can include a satisfactory weld as that term is understood by those of ordinary skill in the art.
  • the welding end time of a good weld can be greater than or less than t e .
  • an upper limit on the welding end time can be chosen to inhibit continued regulation of welding.
  • the upper limit of welding end time can be denoted as time t max .
  • welds having welding end times greater than time t max can be rejected.
  • FIG. 2 shows a second actual curve 18 (dashed curve).
  • the actual curve 18 can run above the set curve 10 at time t 1 .
  • one or more welding process parameters can be changed (e.g. reduced) in order to approximate the actual curve 18 to the set curve 10 .
  • the actual curve 18 can match the set curve 10 at time t 2 .
  • the welding operation represented by the actual curve 18 can be completed at a time t e1 that is earlier than the time t e of the set curve 10 .
  • comparisons between a set curve, such as set curve 10 , and one or more actual curves, such as actual curves 16 and 18 can be made at one or more times t n and/or at one or more constant power values, and/or at one or more constant energy inputs. These comparisons are shown in FIG. 2.
  • the actual curves 16 , 18 and the set curve 10 can be compared at constant times t 1 , and/or constant areas E 1 , and/or constant power values P 1 .
  • one or more welding process parameters of a welding operation represented by an actual curve 16 , 18 can be changed based on one or more of the comparisons shown in FIG. 2.
  • the welding operations represented by the actual curves 16 , 18 can be changed, e.g. one or more welding process parameters can be increased (for curve 16 , for example) or decreased (for curve 18 , for example). Also for example, based on a comparison between the set curve 10 and actual curves 16 , 18 at constant energy input E 1 , the welding operation represented by the actual curve 16 can be changed to so that one or more welding process parameters can be increased, and the welding operation represented by the actual curve 18 can be changed so that one or more welding process parameters can be decreased.
  • FIGS. 3 to 5 show other power vs. time curves for an exemplary system for welding of parts as described herein, in which the set curves are labelled with reference numeral 10 .
  • a welding operation using an ultrasonic welding device can be regulated based on comparisons between a set curve 10 and an actual curve 20 at one or more power values P 1 . . . P n .
  • Changes in welding process parameters can be triggered based on differences between the set curve 10 and the actual curve 20 at different power values P 1 . . . P n .
  • one or more welding process parameters can be changed (e.g. increased) in order to drive actual curve 20 to set curve 10 . Regardless of this change, the total energy inputs for the welding operation to be regulated (i.e.
  • the end time t e1 at which the welding operation represented by the actual curve 20 is completed is between t 1 and t max .
  • one or more welding process parameters can be changed based on the systems and methods described herein. Regardless of this change, the welding operation represented by the actual curve 22 can be completed when the energy input of actual curve 22 is identical to that of set curve 10 .
  • one or more welding process parameters can be changed based on the schemes described herein.
  • an energy input can be changed (e.g. increased).
  • a further energy input ⁇ E ZUS can be made before the welding operation is completed at time t x .
  • comparisons between the actual curve 24 and the set curve 10 can be made at different times t 1 . . . t n .
  • FIG. 6 shows an exemplary system for welding of parts, such as electrical conductors.
  • a system 50 for welding parts as described herein can include an ultrasonic welding device 25 having a converter 26 and a sonotrode 30 .
  • the system for welding parts can include a booster 28 .
  • the sonotrode 30 i.e. the entire sonotrode 30 or a portion of the sonotrode 30
  • the counter electrode 32 can include one or more parts and can be constructed based on schemes similar to those described in U.S. Pat. Nos. 4,596,352 and 4,869,419.
  • the counter electrode 32 can provide a compression area of adjustable cross-section inside of which parts to welded can be placed.
  • the parts to be welded can include metallic parts (e.g. conductors) and/or non-metallic parts (e.g. plastic parts).
  • the converter 26 can be connected via a lead 34 to a generator 36 , and the generator 36 can be connected via a lead 38 to a digital data processing device 40 (e.g. a personal computer (PC)).
  • the digital data processing device 40 can control the ultrasonic welding device 25 and/or the generator 36 based on the schemes previously described herein. For example, the digital data processing device 40 can provide the welding process parameters and/or or the cross-section of conductors to be welded to the ultrasonic welding device 25 and/or the generator 36 .
  • the digital data processing device 40 can be configured to determine the power emission of the generator 36 , generate and/or otherwise be provided with a set curve and an actual curve of a welding process, compare the actual curve with the set curve, and alter one or more welding process parameters based on a difference between the actual curve and the set curve.
  • the digital data processing device 40 can include one or more software programs configured to perform one or more of these functions when executed on the digital data processing device 40 .
  • the systems and methods described herein can be used to weld metallic parts (e.g. conductors) and non-metallic parts (e.g. plastic parts) and are not limited to welding of electrical conductors.
  • one or more welding process parameters can be changed based on the schemes described herein.
  • the one or more welding process parameters can be altered sequentially and/or concurrently.
  • the power curves described herein can be ascertained based on the power emitted by a generator and/or the power input of a sonotrode or oscillator over time based on schemes known by those of ordinary skill in the art

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
US10/633,177 2003-04-30 2003-08-01 Systems and methods for welding of parts Abandoned US20040216829A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002437647A CA2437647A1 (fr) 2003-04-30 2003-08-19 Systemes et methodes de soudage de pieces
MXPA03008724A MXPA03008724A (es) 2003-04-30 2003-09-25 Sistemas y metodos para soldeo de partes.
US11/743,286 US7491280B2 (en) 2003-04-30 2007-05-02 Systems and methods for welding of parts

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEDE10319797.4 2003-04-30
DE10319797 2003-04-30
DEDE10324094.2 2003-05-27
DE10324094A DE10324094B3 (de) 2003-04-30 2003-05-27 Verfahren zum Verschweißen von Teilen

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US11/743,286 Expired - Lifetime US7491280B2 (en) 2003-04-30 2007-05-02 Systems and methods for welding of parts

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1997580A1 (fr) 2007-05-29 2008-12-03 Leoni Wiring Systems France Procédé et dispositif pour souder une barre bus et des câbles par vibrations
US7810699B1 (en) * 2009-04-22 2010-10-12 Gm Global Technology Operations, Inc. Method and system for optimized vibration welding
US20120226373A1 (en) * 2011-03-03 2012-09-06 GM Global Technology Operations LLC Multi-mode ultrasonic welding control and optimization
US20150288123A1 (en) * 2012-12-03 2015-10-08 Schunk Sonosystems Gmbh Ultrasound welding device and method for welding electrical conductors
US11179812B2 (en) 2017-05-02 2021-11-23 Lg Chem, Ltd. Apparatus and method for inspecting welding of secondary battery
WO2025139344A1 (fr) * 2023-12-26 2025-07-03 上海骄成超声波技术股份有限公司 Procédé de commande de processus de liaison par ultrasons

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004022509A1 (de) * 2004-01-07 2005-08-25 Stapla Ultraschall-Technik Gmbh Verfahren zum Abquetschen und Abdichten eines Rohres
DE102006043605B3 (de) 2006-09-16 2008-03-27 Stapla Ultraschalltechnik Gmbh Verfahren zur Qualitätsüberwachung beim Ultraschallschweißen
CN101211375B (zh) * 2006-12-29 2010-08-25 英业达股份有限公司 零件异动信息产生方法
DE202008016010U1 (de) 2008-12-03 2009-02-19 Grenzebach Maschinenbau Gmbh Vorrichtung zum kraftschlüssigen Verbinden von glasartigen Bauteilen mit Metallen
DE102008060301B4 (de) * 2008-12-03 2012-05-03 Grenzebach Maschinenbau Gmbh Verfahren und Vorrichtung zum kraftschlüssigen Verbinden von glasartigen Bauteilen mit Metallen sowie Computerprogramm und maschinenlesbarer Träger zur Durchführung des Verfahrens
JP5335450B2 (ja) * 2009-01-22 2013-11-06 カルソニックカンセイ株式会社 超音波金属接合機
JP5335463B2 (ja) * 2009-02-10 2013-11-06 カルソニックカンセイ株式会社 超音波金属接合機
US20120153006A1 (en) * 2010-12-16 2012-06-21 Lg Chem, Ltd. Ultrasonic welding system and method for forming a weld joint
DE102012106491A1 (de) 2012-07-18 2014-01-23 Herrmann Ultraschalltechnik Gmbh & Co. Kg Verfahren zur Steuerung eines Ultraschallbearbeitungsprozesses
DE102015120165A1 (de) 2015-11-20 2017-05-24 Kromberg & Schubert Gmbh Vorrichtung und ein Verfahren zur Überwachung eines Ultraschallschweißprozesses
DE102017220233A1 (de) * 2017-10-27 2019-05-02 Robert Bosch Gmbh Schweisssteuerung für eine schweissanlage, schweissanlage und schweissverfahren zur regelung einer qualität einer herstellung einer schweissverbindung
KR102758792B1 (ko) * 2019-03-07 2025-01-23 주식회사 엘지에너지솔루션 리튬이차전지의 초음파 용접 방법 및 그 장치
EP3871822A1 (fr) 2020-02-27 2021-09-01 Telsonic Holding AG Procédé de surveillance de l'état d'un système de traitement des vibrations, système de traitement des vibrations et procédé de détermination d'une valeur de référence
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CN112163693A (zh) * 2020-08-27 2021-01-01 福建摩尔软件有限公司 一种回流焊工艺的控制与优化方法、装置、设备和介质
CN112355440B (zh) * 2020-10-29 2022-08-05 哈尔滨工业大学（威海） 一种水下焊缝超声跟踪系统
CN112427797A (zh) * 2020-11-04 2021-03-02 珠海泰坦新动力电子有限公司 焊机可视化调试方法、装置、系统及介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631685A (en) * 1984-12-07 1986-12-23 General Motors Corporation Method and apparatus for ultrasonic plastic forming and joining
US4818313A (en) * 1985-06-28 1989-04-04 Tetra Pak International Method for regulating the energy supply to a sealing device for the sealing of thermoplastic material
US5435863A (en) * 1992-04-21 1995-07-25 Branson Ultrasonics Corporation Method for processing workpieces by ultrasonic energy
US5658408A (en) * 1992-04-21 1997-08-19 Branson Ultrasonics Corporation Method for processing workpieces by ultrasonic energy
US5855706A (en) * 1992-04-21 1999-01-05 Branson Ultrasonics Corporation Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2823361A1 (de) 1978-05-29 1979-12-13 Siemens Ag Ueberwachung von ultraschall- und schallgeraeten
DD154343A1 (de) * 1980-12-22 1982-03-17 Wolfgang Klimes Verfahren zur begrenzung der auf das werkstueck uebertragenen schweissenergie beim ultraschallplastfuegen
DE3429776A1 (de) * 1984-08-13 1986-02-13 Siemens AG, 1000 Berlin und 8000 München Verfahren zur qualitaetskontrolle beim ultraschallschweissen sowie zugehoerige vorrichtung
EP0319631A1 (fr) * 1987-11-09 1989-06-14 Emerson Electric Co. Procédé de commande d'un générateur ultrasonore
DE58907246D1 (de) * 1989-10-06 1994-04-21 Siemens Ag Verfahren und Vorrichtung zum Schweissen von metallischen Werkstücken durch Ultraschall.
DE4131565C2 (de) 1991-09-18 2002-04-25 Bleich Karl Heinz Verfahren zur Optimierung des Schweißprozesses bei Bondverfahren
DE4321874A1 (de) * 1993-07-01 1995-01-12 Ver Foerderung Inst Kunststoff Verfahren und Vorrichtung zum Steuern und Regeln von Prozeßparametern beim Ultraschallschweißen
DE4429684A1 (de) * 1994-08-22 1996-02-29 Schunk Ultraschalltechnik Gmbh Verfahren zum Kompaktieren und anschließenden Schweißen von elektrischen Leitern
JP3780636B2 (ja) * 1997-06-24 2006-05-31 株式会社デンソー 超音波溶接方法
DE19810509C2 (de) 1998-03-11 2000-02-10 Fraunhofer Ges Forschung Vorrichtung zum Schweißen mit Ultraschall
DE10110048A1 (de) * 2001-03-02 2002-09-05 Bosch Gmbh Robert Verfahren zum Prüfen von durch Ultraschall-Drahtbonden hergestellten Verbindungen
DE10126943A1 (de) * 2001-06-01 2002-12-12 Stapla Ultaschalltechnik Gmbh Verfahren zum Bearbeiten eines Werkstücks
US20040178249A1 (en) 2003-03-14 2004-09-16 Stapla Ultrasonics Corporation, Inc. Schemes for ultrasonically connecting electrical conductors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631685A (en) * 1984-12-07 1986-12-23 General Motors Corporation Method and apparatus for ultrasonic plastic forming and joining
US4818313A (en) * 1985-06-28 1989-04-04 Tetra Pak International Method for regulating the energy supply to a sealing device for the sealing of thermoplastic material
US5435863A (en) * 1992-04-21 1995-07-25 Branson Ultrasonics Corporation Method for processing workpieces by ultrasonic energy
US5658408A (en) * 1992-04-21 1997-08-19 Branson Ultrasonics Corporation Method for processing workpieces by ultrasonic energy
US5855706A (en) * 1992-04-21 1999-01-05 Branson Ultrasonics Corporation Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1997580A1 (fr) 2007-05-29 2008-12-03 Leoni Wiring Systems France Procédé et dispositif pour souder une barre bus et des câbles par vibrations
FR2916665A1 (fr) * 2007-05-29 2008-12-05 Valeo Electronique Sys Liaison Procede et dispositif pour souder une barre bus et des cables.
US7810699B1 (en) * 2009-04-22 2010-10-12 Gm Global Technology Operations, Inc. Method and system for optimized vibration welding
US20100270358A1 (en) * 2009-04-22 2010-10-28 Gm Global Technology Operations, Inc. Method and system for optimized vibration welding
CN101898275A (zh) * 2009-04-22 2010-12-01 通用汽车环球科技运作公司 最佳振动焊接的方法和系统
US20120226373A1 (en) * 2011-03-03 2012-09-06 GM Global Technology Operations LLC Multi-mode ultrasonic welding control and optimization
US8450644B2 (en) * 2011-03-03 2013-05-28 GM Global Technology Operations LLC Multi-mode ultrasonic welding control and optimization
US20150288123A1 (en) * 2012-12-03 2015-10-08 Schunk Sonosystems Gmbh Ultrasound welding device and method for welding electrical conductors
US9496670B2 (en) * 2012-12-03 2016-11-15 Schunk Sonosystems Gmbh Ultrasound welding device and method for welding electrical conductors
US11179812B2 (en) 2017-05-02 2021-11-23 Lg Chem, Ltd. Apparatus and method for inspecting welding of secondary battery
WO2025139344A1 (fr) * 2023-12-26 2025-07-03 上海骄成超声波技术股份有限公司 Procédé de commande de processus de liaison par ultrasons

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CN1816413A (zh) 2006-08-09
US7491280B2 (en) 2009-02-17
WO2004096480A1 (fr) 2004-11-11
US20070199641A1 (en) 2007-08-30
KR101067259B1 (ko) 2011-09-27
JP2006524577A (ja) 2006-11-02
MXPA03008724A (es) 2004-11-09
CH697295B1 (de) 2008-08-15
KR20060017505A (ko) 2006-02-23
WO2004096480B1 (fr) 2005-01-13
DE10324094B3 (de) 2004-09-09
CN100563901C (zh) 2009-12-02
CA2437647A1 (fr) 2004-10-30

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