EP1545834B1 - Apparatus and method for cleaning, deburring and polishing parts in magnetic field - Google Patents
Apparatus and method for cleaning, deburring and polishing parts in magnetic field Download PDFInfo
- Publication number
- EP1545834B1 EP1545834B1 EP03791068A EP03791068A EP1545834B1 EP 1545834 B1 EP1545834 B1 EP 1545834B1 EP 03791068 A EP03791068 A EP 03791068A EP 03791068 A EP03791068 A EP 03791068A EP 1545834 B1 EP1545834 B1 EP 1545834B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- ferromagnetic
- parts
- rotating disc
- deburring
- 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.)
- Expired - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 31
- 238000005498 polishing Methods 0.000 title claims abstract description 10
- 238000004140 cleaning Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 22
- 230000000452 restraining effect Effects 0.000 claims abstract 2
- 230000005294 ferromagnetic effect Effects 0.000 claims description 47
- 241000209140 Triticum Species 0.000 claims description 2
- 235000021307 Triticum Nutrition 0.000 claims description 2
- 240000008042 Zea mays Species 0.000 claims description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 2
- 235000005822 corn Nutrition 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 235000013312 flour Nutrition 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 229960005363 aluminium oxide Drugs 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Images
Classifications
-
- 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
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
-
- 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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/003—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor whereby the workpieces are mounted on a holder and are immersed in the abrasive material
-
- 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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
Definitions
- the present invention is an apparatus according to claim 1 as well as a method according to claim 3.
- Modem manufacturing technology processes have to meet uniform requirements of reliability, accuracy, productivity and cost-effectiveness producing the lowest possible environmental load. Cleaning, deburring and polishing processes are no exception to this rule.
- the productivity of known methods can be increased by carrying out the machining in magnetic field, which also gives way to handling parts of non-conventional materials or geometry.
- a number of methods for abrasive grinding in magnetic field one of which being the so called barrel deburring method.
- the abrasive parts and the workpieces are loaded into a revolving plastic container, with the ferromagnetic part of the barrel's contents being restrained by magnetic shoes enclosing the rotating barrel.
- the relative velocity of workpieces and abrasive parts can be increased and machining can be made more productive.
- Such a method is disclosed in the document HU 204,217.
- a drawback of the method is that the limited diameter of the barrel restricts the size of parts that can be processed, and loading and emptying the barrel may also pose problems.
- the applicable rotational speed and the relative velocity of workpieces and abrasive parts is heavily affected by the magnetic field strength, which decreases if the barrel diameter is increased.
- Magnetic deburring and polishing machines are nowadays produced commercially.
- one type of such a machine utilises plastic containers with a diameter of 160-600 mm and a height of 160-540 mm ( www.earth-chain.com.tw ).
- Magnets of the machine are located below the open-top container on a rotating table, with the ferromagnetic abrasive parts, disposed inside the stationary container, being rotated by the magnetic force exerted on them by the rotating magnets.
- the abrasive parts collide with the non-ferromagnetic workpieces loaded into the container, deburring and polishing them.
- the apparatus is only capable of machining non-ferromagnetic parts, and it can be problematic to sufficiently retain smaller-size parts and to provide for the necessary orientation of larger ones.
- the apparatus described in document US4730418 is suitable for cleaning, deburring and polishing parts in a magnetic field, and comprises a non-magnetic container implemented as a revolving drum, an electromagnet, an electric motor, a magnetisable rotating disc, further a table supporting the electromagnet and a ferromagnetic ring and ensuring the closing of magnetic lines of force; with the rotating disc being fitted with an upper and a bottom bearing and being driven through a belt drive by means of an electric motor; and further comprising a power supply for adjusting the stationary magnetic field generated by the electromagnet.
- a non-magnetic container implemented as a revolving drum, an electromagnet, an electric motor, a magnetisable rotating disc, further a table supporting the electromagnet and a ferromagnetic ring and ensuring the closing of magnetic lines of force
- the rotating disc being fitted with an upper and a bottom bearing and being driven through a belt drive by means of an electric motor
- a power supply for adjusting the stationary magnetic field generated
- the aim of the present invention is therefore to provide a cleaning, deburring and polishing apparatus and method that remedies the problems encountered with devices according to the state of the art.
- the ferromagnetic portion of the contents of the container is rotated by means of a magnetisable disc that is disposed inside the container (which can also be rotated in a controllable way) and is magnetised to the desired extent by means of an electromagnet generating stationary magnetic field.
- Non-ferromagnetic elements in the container conform to the rotation of the container, which means that in case the container is stopped the non-ferromagnetic elements are also brought to a halt.
- the apparatus can be used for machining both ferromagnetic and non-ferromagnetic elements, and only environmentally friendly materials can be utilised as additional media.
- the invention is based on the insight that it is preferable to adjust the relative velocity of the different parts of the contents of the container to meet requirements of changing operating conditions. This can be achieved by ensuring that the rotational speed of the rotating disc and also the magnetisation level thereof can be adjusted continuously, and by providing that the container can be braked and the rotational direction thereof can be reversed. It has also been observed that in a strong magnetic field the conventional deep groove ball bearing can be utilised as a flexible coupling element.
- the magnetic transmission element (the magnetisable disc) may be disposed in the interior of the container, in the immediate proximity of the parts loaded thereto.
- the inventive goal is achieved by providing an apparatus according to claim 1 and a method of claim 3.
- the apparatus shown in Fig. 1 consists essentially of a plastic container 5, a magnetisable rotating disc 3, a braking means 6, a rotating iron core 10, a deep groove ball bearing 4, an electromagnet 7, an electric power supply 16, a ferromagnetic table 9, a ferromagnetic ring 8, an upper bearing 11, a bottom bearing 13, an electric motor 15, a variable frequency drive unit 14, a belt drive 12, ferromagnetic parts 2 and non-ferromagnetic abrasive parts 1, with said ferromagnetic parts 2 and non-ferromagnetic abrasive parts 1 being loaded into said container 5.
- the container 5 is loaded with ferromagnetic abrasive parts 18, as it is shown in Fig. 2.
- Figures 1 and 2 show an embodiment of the inventive apparatus that is suitable for cleaning, deburring and polishing ferromagnetic or non-ferromagnetic parts of small or medium size.
- the plastic container 5 is loaded from above with ferromagnetic parts 2 or non-ferromagnetic parts 17 and, depending on whether ferromagnetic 2 or non-ferromagnetic 17 parts are to be machined, non-ferromagnetic abrasive parts 1 (made of aluminium-oxide) or ferromagnetic abrasive parts 18 (made of corrosion-resistant steel) are also loaded into the container 5.
- non-ferromagnetic abrasive parts 1 made of aluminium-oxide
- ferromagnetic abrasive parts 18 made of corrosion-resistant steel
- Other materials may also be loaded into the container: in case of dry machining preferably wheat or corn flour can be utilised, while in case of wet machining a conventional, preferably environmentally friendly surface-active fluid is desirable as an additive.
- a stationary magnetic field is generated by the electric power supply 16 and the electromagnet 7 and the intensity of the field is adjusted to the desired level.
- the path of the magnetic lines of force closes through the rotating iron core 10, the magnetisable rotating disc 3, the ferromagnetic parts 2, the ferromagnetic ring 8 and the ferromagnetic table 9.
- the container 5 becomes flexibly joined to the rotating iron core 10 by the deep groove ball bearing 4 that consists of magnetisable parts.
- the container 5 is set into rotary motion by the electric motor 15 via the belt drive 12.
- the desired rpm n 1 can be adjusted using the variable frequency drive unit 14. Due to the centrifugal force arising because of the rotation of the container 5, the contents thereof will soon be located in the vicinity of the side walls, but no material is severed from the parts at this point.
- the velocity difference between work-pieces and abrasive parts which is necessary for abrasive action is brought about through the braking means 6 that is used to adjust the rpm n 2 ( ⁇ n 1 ) of the container.
- the machining process finishes after the parts have become cleaned, deburred, or polished, which can be ascertained either by (ocular) inspection or by measurement. Finished parts are removed from the container 5 in the conventional way by taking them out manually or using a vacuum device, and are separated according to a known art method (e.g. magnetic or centrifugal separation).
- a known art method e.g. magnetic or centrifugal separation
- Fig. 2 illustrates how non-ferromagnetic work-pieces are located inside the container 5 during the operation of the inventive apparatus.
- ferromagnetic abrasive parts 18 are applied, which rotate together with the rotating disc 3 while the rotational speed of the non-ferromagnetic parts 17 is nearly equal to the speed of the container 5.
- the apparatus speeds up the finishing process, is cost-effective, can be controlled easily, and can be applied for machining both ferromagnetic and non-ferromagnetic parts.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
- The present invention is an apparatus according to
claim 1 as well as a method according toclaim 3. - Modem manufacturing technology processes have to meet uniform requirements of reliability, accuracy, productivity and cost-effectiveness producing the lowest possible environmental load. Cleaning, deburring and polishing processes are no exception to this rule.
- There are a number of known-art methods for cleaning, deburring and polishing machine parts, with abrasive-grinding methods such as revolving-drum, vibratory, and centrifugal techniques being among the most widespread (W. König, Kö szörülés, dörzsköszörülés, tükrösítés [Grinding, honing, lapping methods], Budapest, Müszaki Könyvkiadó 1983). In all of these methods machining takes place in a special container, exploiting the disordered motion of abrasive parts or particles, with the appiication of liquid additives. Individual methods differ mainly in their productivity and the size of the parts that can be processed (see
description DE 2 408 359 A). - The productivity of known methods can be increased by carrying out the machining in magnetic field, which also gives way to handling parts of non-conventional materials or geometry.
- A number of methods have been suggested for abrasive grinding in magnetic field, one of which being the so called barrel deburring method. According to this method the abrasive parts and the workpieces are loaded into a revolving plastic container, with the ferromagnetic part of the barrel's contents being restrained by magnetic shoes enclosing the rotating barrel. Thus the relative velocity of workpieces and abrasive parts can be increased and machining can be made more productive. Such a method is disclosed in the document HU 204,217. A drawback of the method is that the limited diameter of the barrel restricts the size of parts that can be processed, and loading and emptying the barrel may also pose problems. The applicable rotational speed and the relative velocity of workpieces and abrasive parts is heavily affected by the magnetic field strength, which decreases if the barrel diameter is increased.
- Magnetic deburring and polishing machines are nowadays produced commercially. For instance, one type of such a machine utilises plastic containers with a diameter of 160-600 mm and a height of 160-540 mm (www.earth-chain.com.tw). Magnets of the machine are located below the open-top container on a rotating table, with the ferromagnetic abrasive parts, disposed inside the stationary container, being rotated by the magnetic force exerted on them by the rotating magnets. The abrasive parts collide with the non-ferromagnetic workpieces loaded into the container, deburring and polishing them. For the operation of the machine grinding liquid is needed. The apparatus is only capable of machining non-ferromagnetic parts, and it can be problematic to sufficiently retain smaller-size parts and to provide for the necessary orientation of larger ones.
- Other solutions for magnetic deburring also exist, e.g. the one by W. R. Lovness and J. F. Feldhaus (German patent, filed 02.19.1974. Maschine zum Reinigen, Schleifen und Polieren von Gegenständen), where the magnetisable abrasive parts (grains) are moved among the freely moving workpieces by a rotating magnetic field generated outside the container. According to another solution the abrasive parts are retained by suitably disposed magnetic shoes inside the rotating container, with the individually fixed workpieces being polished by the abrasive parts (T. Shinmura, E. Hatano, K. Takazawa, "Development of Spindle-Finishing Type Finishing Apparatus and Its Finishing Performance Using a Magnetic Abrasive Finishing Process," Bull. Japan Soc. of Prec. Eng., Vol. 20 No. 2, June 1986). Problems with the first method are similar to drawbacks mentioned relation above, and it should be remarked that generating a rotating magnetic field in a greater-diameter container may also be problematic. Because workpieces are retained individually, the productivity of the second solution is relatively lower, but among its advantages it has to be mentioned that it is equally capable of machining ferromagnetic and non-ferromagnetic parts (see description US-A-4 730 418).
- The apparatus described in document US4730418 is suitable for cleaning, deburring and polishing parts in a magnetic field, and comprises a non-magnetic container implemented as a revolving drum, an electromagnet, an electric motor, a magnetisable rotating disc, further a table supporting the electromagnet and a ferromagnetic ring and ensuring the closing of magnetic lines of force; with the rotating disc being fitted with an upper and a bottom bearing and being driven through a belt drive by means of an electric motor; and further comprising a power supply for adjusting the stationary magnetic field generated by the electromagnet.
- The aim of the present invention is therefore to provide a cleaning, deburring and polishing apparatus and method that remedies the problems encountered with devices according to the state of the art.
- The ferromagnetic portion of the contents of the container is rotated by means of a magnetisable disc that is disposed inside the container (which can also be rotated in a controllable way) and is magnetised to the desired extent by means of an electromagnet generating stationary magnetic field.
- Non-ferromagnetic elements in the container conform to the rotation of the container, which means that in case the container is stopped the non-ferromagnetic elements are also brought to a halt. The apparatus can be used for machining both ferromagnetic and non-ferromagnetic elements, and only environmentally friendly materials can be utilised as additional media.
- The invention is based on the insight that it is preferable to adjust the relative velocity of the different parts of the contents of the container to meet requirements of changing operating conditions. This can be achieved by ensuring that the rotational speed of the rotating disc and also the magnetisation level thereof can be adjusted continuously, and by providing that the container can be braked and the rotational direction thereof can be reversed. It has also been observed that in a strong magnetic field the conventional deep groove ball bearing can be utilised as a flexible coupling element.
- This finding can be useful for designing the rotating and braking means of the container of the apparatus, which may be supported in bearings on a rotating iron core. The magnetic transmission element (the magnetisable disc) may be disposed in the interior of the container, in the immediate proximity of the parts loaded thereto.
- Thus, the inventive goal is achieved by providing an apparatus according to
claim 1 and a method ofclaim 3. - Preferred embodiments of the invention are defined in the dependent claims.
- One embodiment of the inventive apparatus will now be described in detail, by way of example only, with reference to the accompanying drawings, where
- Fig. 1 is the schematic view of the apparatus according to the invention, and
- Fig. 2 shows the configuration of the container of the inventive apparatus in the case where non-ferromagnetic parts are machined.
- The apparatus shown in Fig. 1 consists essentially of a
plastic container 5, a magnetisable rotatingdisc 3, a braking means 6, a rotatingiron core 10, a deep groove ball bearing 4, anelectromagnet 7, anelectric power supply 16, a ferromagnetic table 9, aferromagnetic ring 8, an upper bearing 11, a bottom bearing 13, anelectric motor 15, a variablefrequency drive unit 14, abelt drive 12,ferromagnetic parts 2 and non-ferromagneticabrasive parts 1, with saidferromagnetic parts 2 and non-ferromagneticabrasive parts 1 being loaded into saidcontainer 5. - If the apparatus is applied for machining
non-ferromagnetic parts 17, thecontainer 5 is loaded with ferromagneticabrasive parts 18, as it is shown in Fig. 2. - Figures 1 and 2 show an embodiment of the inventive apparatus that is suitable for cleaning, deburring and polishing ferromagnetic or non-ferromagnetic parts of small or medium size.
- The operation of the inventive apparatus will now be described in detail.
- The
plastic container 5 is loaded from above withferromagnetic parts 2 ornon-ferromagnetic parts 17 and, depending on whether ferromagnetic 2 or non-ferromagnetic 17 parts are to be machined, non-ferromagnetic abrasive parts 1 (made of aluminium-oxide) or ferromagnetic abrasive parts 18 (made of corrosion-resistant steel) are also loaded into thecontainer 5. Other materials may also be loaded into the container: in case of dry machining preferably wheat or corn flour can be utilised, while in case of wet machining a conventional, preferably environmentally friendly surface-active fluid is desirable as an additive. - After the container has been filled up, a stationary magnetic field is generated by the
electric power supply 16 and theelectromagnet 7 and the intensity of the field is adjusted to the desired level. The path of the magnetic lines of force closes through the rotatingiron core 10, the magnetisable rotatingdisc 3, theferromagnetic parts 2, theferromagnetic ring 8 and the ferromagnetic table 9. After the magnetic field has developed, thecontainer 5 becomes flexibly joined to the rotatingiron core 10 by the deep groove ball bearing 4 that consists of magnetisable parts. - To ensure that the contents of the container 5 (the parts to be machined) are distributed evenly, the
container 5 is set into rotary motion by theelectric motor 15 via thebelt drive 12. The desired rpm n1 can be adjusted using the variablefrequency drive unit 14. Due to the centrifugal force arising because of the rotation of thecontainer 5, the contents thereof will soon be located in the vicinity of the side walls, but no material is severed from the parts at this point. The velocity difference between work-pieces and abrasive parts which is necessary for abrasive action is brought about through the braking means 6 that is used to adjust the rpm n2 (<n1) of the container. - Experiments have shown us that for machining parts of certain specific shapes it can be advantageous to implement the rotating
disc 3 with a non-cylindrical (e.g. cogged) perimetric configuration. - The machining process finishes after the parts have become cleaned, deburred, or polished, which can be ascertained either by (ocular) inspection or by measurement. Finished parts are removed from the
container 5 in the conventional way by taking them out manually or using a vacuum device, and are separated according to a known art method (e.g. magnetic or centrifugal separation). - Fig. 2 illustrates how non-ferromagnetic work-pieces are located inside the
container 5 during the operation of the inventive apparatus. In this case ferromagneticabrasive parts 18 are applied, which rotate together with therotating disc 3 while the rotational speed of thenon-ferromagnetic parts 17 is nearly equal to the speed of thecontainer 5. - To ensure that parts are cleaned, deburred and polished evenly it may become necessary to occasionally rearrange the contents of the
container 5. That can be achieved by simply turning the magnetic field on and off automatically from time to time, or alternatively by reversing the direction of rotation of the apparatus. - Among the main advantages of the inventive apparatus it should be mentioned that the apparatus speeds up the finishing process, is cost-effective, can be controlled easily, and can be applied for machining both ferromagnetic and non-ferromagnetic parts.
-
- 1
- non-ferromagnetic abrasive parts
- 2
- ferromagnetic parts
- 3
- rotating disc
- 4
- deep groove ball bearing
- 5
- container
- 6
- braking means
- 7
- electromagnet
- 8
- ferromagnetic ring
- 9
- ferromagnetic table
- 10
- rotating magnetic core
- 11
- upper bearing
- 12
- belt drive
- 13
- bottom bearing
- 14
- variable frequency drive unit
- 15
- electric motor
- 16
- power supply
- 17
- non-ferromagnetic parts
- 18
- ferromagnetic abrasive parts
Claims (5)
- Apparatus suitable for cleaning, deburring and polishing parts in magnetic field, comprising a plastic container (5) implemented as a revolving drum, an electromagnet (7), an electric motor (15), a magnetisable rotating disc (3) being firmly joined to a rotating magnetic core (10) that is disposed inside the container (5), a braking means (6) adapted for restraining the rotation of the container (5) driven by the electric motor (15), where the container (5) is seated on a magnetisable deep groove ball bearing (4), which deep groove ball bearing (4) is also functioning as a coupling element, in such a fashion that by means of the braking means (6) the rotational speed of the container (5), originally equalling the rpm n1 of the rotating disc (3), can be reduced to an rpm n2, or the container (5) can even be brought to a halt during the operation of the apparatus; further comprising a table (9) supporting the electromagnet (7) and a ferromagnetic ring (8) and ensuring the closing of magnetic lines of force; with the rotating disc (3) being fitted with an upper (11) and a bottom bearing (13) and being driven through a belt drive (12) by means of an electric motor (15) controlled by a variable frequency drive unit (14); and further comprising a DC power supply (16) for adjusting the stationary magnetic field generated by the electromagnet (7).
- The apparatus according to Claim 1, characterised by that the braking means (6) thereof is a spring-actuated braking means.
- A method of cleaning, deburring and polishing parts with the apparatus according to Claim 1 or 2, characterised by that non-ferromagnetic (1) or ferromagnetic abrasive parts (18) are loaded into the container (5) as abrasive media, depending on whether ferromagnetic (2) or non-ferromagnetic (17) component parts are to be machined by the apparatus.
- The method according to Claim 3, characterised by that, depending on the shape of the parts to be machined by the apparatus, the rotating disc (3) thereof has different - smooth or cogged - perimetric configuration.
- The method according to any one of Claims 3 or 4, characterised by that wheat or corn flour is loaded into the container (5) thereof as additional media.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU0202913A HU0202913D0 (en) | 2002-08-30 | 2002-08-30 | |
HU0202913 | 2002-08-30 | ||
HU0302713 | 2003-08-25 | ||
HU0302713A HU223855B1 (en) | 2003-08-25 | 2003-08-25 | Apparatus for cleaning, burring and bobbing of component in magnetic field |
PCT/HU2003/000068 WO2004020144A1 (en) | 2002-08-30 | 2003-08-27 | Apparatus for cleaning, deburring and polishing parts in magnetic field |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1545834A1 EP1545834A1 (en) | 2005-06-29 |
EP1545834B1 true EP1545834B1 (en) | 2006-09-20 |
Family
ID=89981587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03791068A Expired - Lifetime EP1545834B1 (en) | 2002-08-30 | 2003-08-27 | Apparatus and method for cleaning, deburring and polishing parts in magnetic field |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1545834B1 (en) |
AT (1) | ATE340052T1 (en) |
AU (1) | AU2003263375A1 (en) |
DE (1) | DE60308536T2 (en) |
WO (1) | WO2004020144A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013103657A1 (en) * | 2013-04-11 | 2014-11-13 | Gottfried Wilhelm Leibniz Universität Hannover | Surface treatment device and method for surface treatment |
CN109465737B (en) * | 2018-12-21 | 2023-10-03 | 湖州学院 | Polishing machine |
CN110405544A (en) * | 2019-08-29 | 2019-11-05 | 长春理工大学 | A kind of device of the abrasive Flow precision polishing valve pocket based on magnetic abrasive |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3848363A (en) * | 1973-02-20 | 1974-11-19 | Minnesota Mining & Mfg | Apparatus for treating objects with particles moved by magnetic force |
JPS62120970A (en) * | 1985-11-15 | 1987-06-02 | Kureha Chem Ind Co Ltd | Magnetic grinding device |
HU204217B (en) * | 1989-03-16 | 1991-12-30 | Gepipari Es Automatizalasi Mue | Apparatus and method for polishing and burring shaft-like and tubular workpieces and/or precision-mechanical details of small size produced on alarge scale |
US6231426B1 (en) * | 2000-06-16 | 2001-05-15 | Lu-Jung Liao | Magnetic polishing machine |
-
2003
- 2003-08-27 AU AU2003263375A patent/AU2003263375A1/en not_active Abandoned
- 2003-08-27 WO PCT/HU2003/000068 patent/WO2004020144A1/en active IP Right Grant
- 2003-08-27 EP EP03791068A patent/EP1545834B1/en not_active Expired - Lifetime
- 2003-08-27 AT AT03791068T patent/ATE340052T1/en not_active IP Right Cessation
- 2003-08-27 DE DE60308536T patent/DE60308536T2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60308536T2 (en) | 2007-06-06 |
EP1545834A1 (en) | 2005-06-29 |
DE60308536D1 (en) | 2006-11-02 |
ATE340052T1 (en) | 2006-10-15 |
AU2003263375A1 (en) | 2004-03-19 |
WO2004020144A1 (en) | 2004-03-11 |
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