EP3285937A1 - Vorrichtung und verfahren zum entgraten von bauteilen mittels ultraschall - Google Patents
Vorrichtung und verfahren zum entgraten von bauteilen mittels ultraschallInfo
- Publication number
- EP3285937A1 EP3285937A1 EP16716032.4A EP16716032A EP3285937A1 EP 3285937 A1 EP3285937 A1 EP 3285937A1 EP 16716032 A EP16716032 A EP 16716032A EP 3285937 A1 EP3285937 A1 EP 3285937A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sonotrode
- khz
- workpiece
- ultrasonic transducer
- workpieces
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000002604 ultrasonography Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 29
- 230000001965 increasing effect Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract 2
- 238000011161 development Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or 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
- 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
- B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P17/00—Metal-working operations, not covered by a single other subclass or another group in this subclass
- B23P17/02—Single metal-working processes; Machines or apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
Definitions
- the invention relates to a method for deburring components or workpieces with ultrasound using ultrasound and at least one device for deburring components using ultrasound.
- the invention is based on the object of specifying an alternative, effective and efficient method for deburring components or workpieces and a corresponding device.
- the terms "part” and “part” are used as synonyms below.
- a method according to the invention for deburring components with ultrasound using at least one sonotrode contains at least the following method steps:
- An apparatus according to the invention for deburring components with ultrasound comprises:
- At least one ultrasonic generator which is designed to supply the ultrasonic transducer with electrical energy in order to excite the ultrasonic transducer to mechanical vibrations;
- At least one sonotrode which is mechanically connected to transmit the vibrations with the ultrasonic transducer
- a tank which can be filled or filled with a liquid so that the sonotrode is immersed or immersed in the liquid with at least one vibrating sonotrode surface;
- Sonotrodes are generally tools for ultrasonic welding, which are set by the introduction of high-frequency mechanical vibrations (ultrasound) in vibration. They connect the ultrasonic generator to the workpiece and introduce the vibrations into it. The heat generated by the resulting friction leads to melting and bonding of the workpiece. Sonotrodes are the only component of an ultrasonic welding machine in direct contact with the welding part.
- At least one sonotrode is thus introduced or introduced into a container (tank) filled with a (cleaning) liquid.
- this sonotrode according to an embodiment of the invention of an ultrasonic transducer with an ultrasonic frequency between 10 and 50 kHz, preferably about 18 kHz to about 35 kHz, most preferably about 20 kHz to about 30 kHz, operate, so that intense cavitation close to a oscillating surface of the sonotrode (also referred to herein as Sonotroden Formation) pronounced.
- a corresponding embodiment of the device provides that the ultrasonic generator is designed to generate an ultrasonic frequency of the oscillations of at least about 10 kHz and at most about 50 kHz, preferably about 18 kHz to about 35 kHz, most preferably about 20 kHz to about
- the workpiece to be deburred is now positioned manually or by a special device (i.e., means for defining a workpiece to be deburred) at a defined distance with respect to that vibrating surface, so that the intense cavitation occurring there will result in the removal of burrs.
- the positioning is advantageously carried out or adjustable so that the minimum distance to the vibrating surface is at least 0.1 mm, but it is smaller or at most the same size as an acoustic wavelength in the cleaning medium or in the (cleaning) liquid.
- a corresponding design of the device provides that a distance of the workpiece from the sonotrode surface is adjustable so that it is at least about 0.1 mm and at most about one acoustic wavelength of the liquid corresponds, preferably by a corresponding adjustability of the device.
- a mechanical transformer is mounted between the ultrasonic transducer and the sonotrode to increase or decrease the mechanical amplitude.
- a mechanical transformer for increasing or decreasing the mechanical amplitude between the ultrasonic transducer and the sonotrode is mounted.
- a device may further be provided which leads the workpieces to be deburred continuously or discontinuously over the oscillating sonotrode surface, preferably approximately parallel thereto.
- This can advantageously be realized by providing a drag chain or other suitable transport system.
- a feature is the maintenance of a constant, but adjustable distance to the vibrating surface of the sonotrode, which is preferably continuously monitored.
- the device is designed in the form of a transport device for continuous or discontinuous feeding of workpieces by means of adjustable distance to the oscillating surface of the sonotrode. This may comprise a monitoring device, which is designed to continuously monitor compliance with a constant distance from the sonotrode surface.
- a lifting movement is carried out substantially perpendicular to the sonotrode surface by means of the transport device or the transport system, so that positioning of the workpieces over the oscillating surface is achieved.
- the transport device is designed to perform a lifting movement substantially perpendicular to the sonotrode surface.
- a further advantageous embodiment of the device comprises a receiving device for the workpieces to be deburred, which is guided by a positioning device to the oscillating surface of the sonotrode or is feasible.
- a device for maintaining a constant distance to the oscillating surface of the sonotrode may be provided.
- This device can be designed for ultrasonic distance measurement, for optical distance measurement, for inductive distance measurement or for distance measurement via the path or stroke, without the invention being limited thereto.
- more than one sonotrode is arranged and introduced into the liquid or can be introduced and excited to oscillate or excite such that more than one side of the workpiece can be subjected to ultrasound at the same time.
- provision may be made for a plurality of sonotrodes having at least partially different dimensions and / or geometries to be used for the respective probe surface.
- an adaptation to changed workpiece dimensions can be achieved by changing sonotrodes with radiating surfaces of different geometry. It can also be provided on the side of the device that a plurality of sonotrodes are provided which have at least partially different dimensions of their respective sonotrodes.
- Oscillation system comprising the ultrasonic transducer, the sonotrode and, where appropriate, the transformer is fixed in a region of minimal mechanical deflection (vibration node) to the tank, preferably in the region of that vibration node, which is closest to the Sonotroden configuration.
- the immersion depth of the vibration system or the sonotrode can be minimized in the liquid, which can be beneficial to the required liquid volume and tank size.
- a plurality of vibration systems each comprising the ultrasonic transducer, the sonotrode and possibly the transformer is fixed in each case in a region of minimal mechanical deflection of the tank, so that the respective Sonotrodenfest are arranged at different locations relative to the location, so that more than one side of the workpiece to be deburred can be sonicated.
- the means for arranging the workpiece or workpieces is designed such that a point to be deburred of the workpiece is not covered and freely immersed in the liquid to allow the most efficient deburring.
- Fig. 1 shows schematically a first embodiment of the device according to the invention
- Fig. 2 shows schematically the location-dependent vibration curve in an ultrasonic vibration system with a sonotrode
- Fig. 3 shows schematically a second embodiment of the device according to the invention
- Fig. 4 shows schematically a third embodiment of the device according to the invention.
- Fig. 5 shows a possible arrangement meh eral horns according to a further embodiment of the device according to the invention.
- Fig. 6 shows differently shaped sonotrodes for use in a device according to the invention.
- Fig. 1 an embodiment of the device according to the invention is shown schematically.
- the ultrasonic vibrating system 3 comprises an ultrasonic transducer (or converter) 4 for converting electrical vibrations into mechanical vibrations, a booster 5 for increasing the mechanical deflection, and a sonotrode 6.
- Reference numeral 6 denotes an oscillatory vibration Loud surface of the sonotrode (alternatively referred to as "sonotrode vibrating surface” or “sonotrode surface”).
- the individual components 4-6 of the oscillating system 3 are connected to each other (not shown) screw connections and thus interchangeable.
- the converter 4 is in operative connection with a U ltraschallgenerator 2 and you rch this supplied with electrical energy.
- the ultrasound generator 2 has a control which regulates the mechanical amplitude of the converter 4 and a setting of this amplitude in a range of, for example, 1 0 to 1 00%. based on a maximum mechanical amplitude allows.
- U ltraschallgeneratoren are known in the art and are used for example in facilities for ultrasonic welding m.
- To be deburred workpiece 7 is shown in FIG. 1 at a distance of at least 0, 1 mm and at most one acoustic wavelength of the cleaning liquid M at the abstrah loin surface 6 'of the sonotrode position iert and sonicated for a certain time, which depends on the nature of Workpiece 7 and the existing amount of burrs, etc. depends and can be determined, for example, from appropriate preliminary tests.
- a flange (not shown) for fixing the oscillating system 3 to the tank 1 of Fig. 1 in a d ieser Knotenpun k K be attached (see Fig. 1).
- Fig. 1 can also be provided to secure the oscillating system 3 in the region of the uppermost (foremost) Kots knots K according to FIG.
- the immersion depth into the medium M can be minimized, which can have a favorable effect on the required volume of liquid.
- FIG. 3 A further advantageous embodiment of the device according to the invention is shown in Fig. 3.
- the tank 1 together with the oscillating system 3 is expanded by a device 8 (transport device) for a continuous transport of workpieces 7.
- the transport device 8 may, for example, comprise a link chain u in which the individual workpieces 7 are hung or suspended.
- This link chain can be driven by a drive device 9, for example driven rollers or toothed wheels, continuously or discontinuously.
- ierlich be moved over the vibrating surface 6 'or parallel to this.
- the transport device 8 further comprises a device by means of which the distance of the workpieces 7 to the sonotrode surface 6 'is adjustable, as symbolized in FIG. 3 by vertical double arrows.
- the device may be designed for continuous monitoring and adjustment of this distance.
- FIG. 4 A further advantageous embodiment of the device according to the invention is shown in Figure 4.
- This device 10 may be, for example, a basket, a product carrier or another, the geometry of the workpieces adapted carrier.
- the carrier or the device 10 is designed so that the surface to be deburred of the workpieces 7 is not covered and can dive freely into the cleaning medium M.
- the goods carrier or the device 10 is further connected to a lifting and transport mechanism 11, through which the goods carrier or the device 10 can be immersed in the cleaning medium M, as shown.
- the lifting mechanism 11 preferably has the property that the distance of the workpieces 7 to the sonotrode surface 6 'is selectively adjustable, as symbolized in Figure 4 by a vertical double arrow.
- simultaneous deburring of a plurality of component surfaces or surfaces of the workpieces 7 may be advantageous for time and / or cost reasons.
- the arrangement of a plurality of sonotrodes 6a-6c shown in FIG. 5 is highly advantageous.
- three sonotrodes 6a, 6b and 6c can be mounted on a tank 1 in such a way that, at the same time, three sides of a workpiece 7 can be deburred according to the invention.
- the sonotrodes 6a-6c used need not be identical.
- a further advantageous embodiment of the device according to the invention is shown in Fig.
- these sonotrodes 6d-6f are preferably interchangeable in a device according to the invention, so that the device can be designed to be adaptable to, for example, different dimensions or geometries of the workpieces to be deburred 7 and / or different types of barbs ,
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015106343.3A DE102015106343A1 (de) | 2015-04-24 | 2015-04-24 | Vorrichtung und Verfahren zum Entgraten von Bauteilen mittels Ultraschall |
PCT/EP2016/057920 WO2016169800A1 (de) | 2015-04-24 | 2016-04-11 | Vorrichtung und verfahren zum entgraten von bauteilen mittels ultraschall |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3285937A1 true EP3285937A1 (de) | 2018-02-28 |
Family
ID=55750392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16716032.4A Withdrawn EP3285937A1 (de) | 2015-04-24 | 2016-04-11 | Vorrichtung und verfahren zum entgraten von bauteilen mittels ultraschall |
Country Status (7)
Country | Link |
---|---|
US (1) | US20180354003A1 (de) |
EP (1) | EP3285937A1 (de) |
JP (1) | JP2018516770A (de) |
CN (1) | CN107666970A (de) |
DE (1) | DE102015106343A1 (de) |
TW (1) | TWI669186B (de) |
WO (1) | WO2016169800A1 (de) |
Families Citing this family (16)
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DE202015104150U1 (de) | 2015-08-07 | 2016-09-08 | Weber Ultrasonics Gmbh | Vorrichtung zum Entgraten von Werkstücken mit Ultraschall |
DE102016101313B4 (de) | 2016-01-26 | 2018-05-30 | HEMO GmbH | Sonotrode, Vorrichtung, System und Verfahren zum Entgraten von Werkstücken mit Ultraschall |
DE102017009498A1 (de) * | 2017-10-12 | 2019-04-18 | Petra Lauer | Verfahren zum Kaltentgraten von Formteilen |
CN108213601B (zh) * | 2018-03-20 | 2023-04-18 | 吉林大学 | 一种弧形轨道支撑的多维超声加工机床及其运动控制方法 |
CN108637226B (zh) * | 2018-04-10 | 2024-09-20 | 东莞市新玛博创超声波科技有限公司 | 一种金属铸件的毛刺水口去除方法 |
CN109759308B (zh) * | 2019-02-22 | 2020-02-11 | 东北大学 | 激光辅助在线测量三维椭圆超声振动辅助微细加工平台 |
CN110102956A (zh) * | 2019-04-19 | 2019-08-09 | 云谷(固安)科技有限公司 | 一种掩膜版焊点去除装置及焊点去除方法 |
CN110170487B (zh) * | 2019-06-14 | 2024-07-02 | 奥然生物科技(上海)有限公司 | 一种超声波振动仪 |
CN110317944B (zh) * | 2019-06-27 | 2021-07-13 | 中国科学院宁波材料技术与工程研究所 | 残余应力消除装置 |
CN110802522A (zh) * | 2019-09-23 | 2020-02-18 | 中国科学院宁波材料技术与工程研究所 | 超声空化喷丸装置及其使用方法 |
DE102019006919B3 (de) * | 2019-10-06 | 2020-10-29 | ultraTEC Anlagentechnik Münz GmbH | Verfahren und Vorrichtung zum Ultraschallentgraten eines Gegenstandes |
CN112605719A (zh) * | 2020-11-25 | 2021-04-06 | 广东工业大学 | 微钻刃口毛刺去除方法及装置 |
CN114267896A (zh) * | 2021-12-22 | 2022-04-01 | 福州大学 | 基于空化泡溃灭实现涂层去除的方法 |
DE102022003285B4 (de) * | 2022-09-07 | 2024-05-02 | ultraTEC innovation GmbH | Verfahren und Vorrichtung zum Ultraschallentgraten eines Gegenstandes |
CN115446672B (zh) * | 2022-09-28 | 2023-06-20 | 华侨大学 | 一种超声空化去除微零件毛刺装置及方法 |
JP7510219B1 (ja) | 2023-10-06 | 2024-07-03 | 株式会社ブルー・スターR&D | 超音波照射装置 |
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-
2015
- 2015-04-24 DE DE102015106343.3A patent/DE102015106343A1/de active Pending
-
2016
- 2016-04-11 US US15/568,625 patent/US20180354003A1/en not_active Abandoned
- 2016-04-11 EP EP16716032.4A patent/EP3285937A1/de not_active Withdrawn
- 2016-04-11 CN CN201680029103.8A patent/CN107666970A/zh active Pending
- 2016-04-11 JP JP2018506482A patent/JP2018516770A/ja active Pending
- 2016-04-11 WO PCT/EP2016/057920 patent/WO2016169800A1/de unknown
- 2016-04-19 TW TW105112157A patent/TWI669186B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB969546A (en) * | 1962-01-02 | 1964-09-09 | Rolls Royce | Improvements in or relating to methods and apparatus for removing burrs or the like from workpieces |
US6897161B2 (en) * | 2002-02-13 | 2005-05-24 | Kawasaki Microelectronics, Inc. | Method of cleaning component in plasma processing chamber and method of producing semiconductor devices |
JP5570883B2 (ja) * | 2010-06-17 | 2014-08-13 | トーノファインプレーティング株式会社 | 超音波ホーン |
Non-Patent Citations (1)
Title |
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See also references of WO2016169800A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2016169800A1 (de) | 2016-10-27 |
US20180354003A1 (en) | 2018-12-13 |
CN107666970A (zh) | 2018-02-06 |
DE102015106343A1 (de) | 2016-10-27 |
TW201701995A (zh) | 2017-01-16 |
JP2018516770A (ja) | 2018-06-28 |
TWI669186B (zh) | 2019-08-21 |
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