FR2427652A1 - Control circuit for ultrasonic welding equipment - emits warning signal if amplitude of vibration exceeds preset threshold values - Google Patents

Control circuit for ultrasonic welding equipment - emits warning signal if amplitude of vibration exceeds preset threshold values

Info

Publication number
FR2427652A1
FR2427652A1 FR7913490A FR7913490A FR2427652A1 FR 2427652 A1 FR2427652 A1 FR 2427652A1 FR 7913490 A FR7913490 A FR 7913490A FR 7913490 A FR7913490 A FR 7913490A FR 2427652 A1 FR2427652 A1 FR 2427652A1
Authority
FR
France
Prior art keywords
amplitude
warning signal
welding equipment
control circuit
preset threshold
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7913490A
Other languages
French (fr)
Other versions
FR2427652B1 (en
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.)
Siemens AG
Original Assignee
Siemens AG
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
Application filed by Siemens AG filed Critical Siemens AG
Publication of FR2427652A1 publication Critical patent/FR2427652A1/en
Application granted granted Critical
Publication of FR2427652B1 publication Critical patent/FR2427652B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • B06B1/0261—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken from a transducer or electrode connected to the driving transducer
    • 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
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/72—Welding, joining, soldering
    • 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
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot 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
    • 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
    • B29C66/9515—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 measuring their vibration amplitude
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials

Abstract

Welding of platics articles by ultra-sonic methods is controlled by holding the amplitude of the vibration within narrow limits to maintain the quality of the welded joint. The vibration amplitude is controlled by means of a vibration pick-up installed near the vibrator head of the ultra-sonic welding equipment. The pick-up is connected through an amplifier to a circuit which compares the actual value with the pre-set value and emits a warning signal if the measured value falls outside the set limits and switches off the welding machine.
FR7913490A 1978-05-29 1979-05-28 Control circuit for ultrasonic welding equipment - emits warning signal if amplitude of vibration exceeds preset threshold values Granted FR2427652A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782823361 DE2823361A1 (en) 1978-05-29 1978-05-29 MONITORING OF ULTRASONIC AND SOUND DEVICES

Publications (2)

Publication Number Publication Date
FR2427652A1 true FR2427652A1 (en) 1979-12-28
FR2427652B1 FR2427652B1 (en) 1984-06-29

Family

ID=6040433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7913490A Granted FR2427652A1 (en) 1978-05-29 1979-05-28 Control circuit for ultrasonic welding equipment - emits warning signal if amplitude of vibration exceeds preset threshold values

Country Status (2)

Country Link
DE (1) DE2823361A1 (en)
FR (1) FR2427652A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0190601A1 (en) * 1985-02-04 1986-08-13 Siemens Aktiengesellschaft Safety device for a shock wave discharge tube
FR2586883A1 (en) * 1985-08-27 1987-03-06 Nord Inst Superieur Electron METHOD AND DEVICE FOR ELECTRICALLY SUPPLYING A TRANSDUCER GENERATING SOUND AND ULTRASONIC VIBRATIONS.
US7491280B2 (en) 2003-04-30 2009-02-17 Schunk Ultraschalltechnik Gmbh Systems and methods for welding of parts
WO2020187639A1 (en) * 2019-03-15 2020-09-24 Herrmann Ultraschalltechnik Gmbh & Co. Kg Method for detecting the making or breaking of contact between a sonotrode and a counter-element

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429776A1 (en) * 1984-08-13 1986-02-13 Siemens AG, 1000 Berlin und 8000 München Method for quality control in ultrasonic welding and associated apparatus
JP4384271B2 (en) * 1997-11-14 2009-12-16 オリンパス株式会社 Ultrasonic surgical device
DE102004026826B4 (en) * 2004-05-28 2010-01-14 Schunk Ultraschalltechnik Gmbh Ultrasonic welding device and converter of an ultrasonic welding device
EP1897648B1 (en) 2006-09-05 2010-06-30 Technische Universität Berlin Method and device for controlling the generation of ultrasonic wire bonds

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3153850A (en) * 1962-07-18 1964-10-27 Daniel C Worlton Method and device for controlling ultrasonic welding apparatus
US3489241A (en) * 1968-07-03 1970-01-13 Branson Instr Control means for sonic power system
US3573781A (en) * 1968-03-14 1971-04-06 Branson Instr Monitoring circuit for sonic apparatus
US4040885A (en) * 1974-07-09 1977-08-09 U.S. Philips Corporation Ultrasonic bonding apparatus
GB1496137A (en) * 1975-06-25 1977-12-30 Kerry Ultrasonics Welding plastics workpieces

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2448726C3 (en) * 1974-10-12 1979-05-17 Oki Electric Industry Co., Ltd., Tokio Ultrasonic wave generator
US4049997A (en) * 1976-02-27 1977-09-20 E. I. Du Pont De Nemours And Company Drive for dynamic mechanical system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3153850A (en) * 1962-07-18 1964-10-27 Daniel C Worlton Method and device for controlling ultrasonic welding apparatus
US3573781A (en) * 1968-03-14 1971-04-06 Branson Instr Monitoring circuit for sonic apparatus
US3489241A (en) * 1968-07-03 1970-01-13 Branson Instr Control means for sonic power system
US4040885A (en) * 1974-07-09 1977-08-09 U.S. Philips Corporation Ultrasonic bonding apparatus
GB1496137A (en) * 1975-06-25 1977-12-30 Kerry Ultrasonics Welding plastics workpieces

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0190601A1 (en) * 1985-02-04 1986-08-13 Siemens Aktiengesellschaft Safety device for a shock wave discharge tube
US4834074A (en) * 1985-02-04 1989-05-30 Siemens Aktiengesellschaft Safety system for a shock wave generator
FR2586883A1 (en) * 1985-08-27 1987-03-06 Nord Inst Superieur Electron METHOD AND DEVICE FOR ELECTRICALLY SUPPLYING A TRANSDUCER GENERATING SOUND AND ULTRASONIC VIBRATIONS.
EP0217694A1 (en) * 1985-08-27 1987-04-08 Institut Superieur D'electronique Du Nord Isen Method and device for electrically powering a transducer generating sonic and ultrasonic vibrations
US7491280B2 (en) 2003-04-30 2009-02-17 Schunk Ultraschalltechnik Gmbh Systems and methods for welding of parts
WO2020187639A1 (en) * 2019-03-15 2020-09-24 Herrmann Ultraschalltechnik Gmbh & Co. Kg Method for detecting the making or breaking of contact between a sonotrode and a counter-element
CN113631315A (en) * 2019-03-15 2021-11-09 海尔曼超声波技术两合有限公司 Method for detecting the occurrence or breaking of contact of a sonotrode (sonotrode) with a counter element

Also Published As

Publication number Publication date
DE2823361C2 (en) 1988-07-07
DE2823361A1 (en) 1979-12-13
FR2427652B1 (en) 1984-06-29

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Legal Events

Date Code Title Description
ST Notification of lapse