EP1825954B1 - Appareil à brosse - Google Patents

Appareil à brosse Download PDF

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Publication number
EP1825954B1
EP1825954B1 EP07000172A EP07000172A EP1825954B1 EP 1825954 B1 EP1825954 B1 EP 1825954B1 EP 07000172 A EP07000172 A EP 07000172A EP 07000172 A EP07000172 A EP 07000172A EP 1825954 B1 EP1825954 B1 EP 1825954B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
drive
brush
machining unit
tools
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.)
Active
Application number
EP07000172A
Other languages
German (de)
English (en)
Other versions
EP1825954A1 (fr
Inventor
Norbert FRÖMEL
Caroline Siebert
Roland Kalberer
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.)
Oerlikon Surface Solutions AG Pfaeffikon
Original Assignee
Oerlikon Trading AG Truebbach
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 Oerlikon Trading AG Truebbach filed Critical Oerlikon Trading AG Truebbach
Publication of EP1825954A1 publication Critical patent/EP1825954A1/fr
Application granted granted Critical
Publication of EP1825954B1 publication Critical patent/EP1825954B1/fr
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Anticipated expiration legal-status Critical

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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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • 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
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load

Definitions

  • the invention relates to a brushing device according to the preamble of independent claim 1.
  • Such a device is for example the US 5,299,394 refer to.
  • Brushing machines for treating technical or decorative surfaces for example for deburring, grinding or fine grinding and polishing are long known in a design as a simple brush holder with manual delivery of Bürstguts.
  • various brushing devices have been developed to ensure, on the one hand, a higher degree of automation and, on the other hand, a higher reproducibility of the brushing process.
  • CNC-controlled systems from Sinjet Osborn are known which are used for surface modification.
  • these systems are used for deburring tools.
  • These systems are technically complex and expensive, since here too a CNC control acts on a movable in several axes Bürstarm.
  • the delivery of the brush to the surfaces to be machined can be done, for example, by entering the geometric tool dimensions from which the corresponding delivery is calculated. This requires an additional operating effort.
  • a much simpler principle is known from a brushing machine of René Gerber AG.
  • This machine works in batch mode, loading a turret equipped with radially outwardly directed holders with shank tools and then processing the tools together by means of a revolving disc brush. After completion of the brushing process, the brush disc is lifted and reloaded the revolver.
  • a batch operation with corresponding loading and unloading times can be disadvantageous.
  • the tools are machined differently over the length of the shaft so that the brushing action on long tools can be much more pronounced at the tip than at the edge portions near the shaft. In addition to the respectively given brush / loading geometry, this is another reason why only machines with a limited length can be machined with such machines.
  • a continuous uniform brushing of workpieces with different diameters and lengths should thus be made possible without additional operating effort.
  • Such a brushing device is realized by a device according to the features of claim 1, wherein the dependent claims describe different embodiments of the invention.
  • the device for processing technical surfaces is particularly suitable for the treatment of substantially cylindrical workpieces.
  • At least one processing unit comprises a round or belt brush.
  • gas pressure dampers spring means, elastic means or weight-average and, if required, lever means can be used.
  • the workpiece carrier may be plate or belt-shaped and provided with a continuously, cyclically or stepwise delivering drive.
  • the holders can be rotatable by separate drive means, which comprise, for example, at least one toothed wheel, a ring gear, a friction wheel, a friction ring or the like, or preferably by the tangential forces of the processing unit acting on the circumference of the workpieces.
  • a brushing device By such a brushing device is a continuous, gradual and / or cyclical guidance of the rotatable about its own axis workpieces, past the brush stations and a simple assembly and removal of the workpieces to be treated possible without interrupting the brushing process.
  • Brush parameters such as time, contact pressure, and rotational speed of the brushes are automatically adapted to different diameters and lengths of the workpieces after the selection of the brushing means, thus ensuring a defined final state of the machined surfaces.
  • the individual support satellites can be rotated, for example by rolling on a stationary sprocket, whereby the rotational speed can be varied as known to those skilled in the art.
  • Fig.1 shows a belt brushing device.
  • the workpieces can be moved without interruption of the circulation or clocked.
  • the number and position of the brushes 4 may vary.
  • the brush length as known to be adjusted (extension of the roll spacing or distances and / or extension of the belt).
  • the modification eg, smoothing, roughening, edge preparation, rounding, deburring
  • the tools are 3 in brackets 5, which in turn are mounted on rotatable satellite 2, placed on a and as in Fig.1 and 2 represented plate 1 or a like in Fig. 3 and 4 shown circulating belt 1 'past the brush or brushes 4.
  • the holder 5 with the tool 3 rotates about the axis of the satellite 2.
  • the direction of rotation and speeds can be varied for plates 1 or band 1 ', satellite 2 or brush 4 if necessary (left and right-handed rotation, different angular velocities).
  • the satellite rotation is effected by the force transmitted from the brush 4 to the tools 3.
  • the brush 4 can be adapted to the workpiece at an angle, as required, in order, for example, to brush parallel to the flute angle.
  • Brushes 4, especially round brushes like in Fig. 2 and Fig. 4 can be arranged overlapping in height.
  • one or more brushes 4 may be moved up and down during the treatment, preferably parallel to the tools.
  • the brush 4 can be delivered, for example, via a gas spring 6 with a defined pressure with the force of 1-100N to the tool.
  • Analogous devices which exert corresponding advancing forces on the brush by spring means, elastic means or weight-average, if necessary with lever reinforcement, are known to the person skilled in the art.
  • the compensation to various types varying in diameter and length tools is carried out simply and advantageously purely mechanically, without additional control, since the alignment is done by self-adjustment. If a tool with a larger diameter follows a smaller tool, the brush automatically swivels by the required amount to the side and vice versa, whereby the contact pressure remains the same for both diameters.
  • the brush unit 4 including drive motors may be mounted on a pivot arm, not shown here in detail. The pivoting can be to the side or in height.
  • the brackets 5 can be made pluggable in a simple manner on the turntable or the tape.
  • a clamping or otherwise acting fastening device may further be provided.
  • a known clamping spring can be mounted in or on the holder, which holds the tool 3 sufficiently firmly in the holder 5.
  • Shank tools and cylindrical components can be processed particularly advantageously with such a brushing device.
  • Cylindrical tools without shaft such as hobbing cutters but can be easily edited by means of adapted holder, such as a holder with arbor.
  • a brushing device consisting of a plate with 20 holding satellites and three fixed brushes offset by 50 mm in height were used correspondingly Figure 2 , the surfaces of differently coated or uncoated tools with an angle of about 60 degrees from the vertical, or brushed with respect to the tool axis.
  • the duration of treatment on a brush at one of the 3 defined heights was set between 5 and 30 seconds, with a particularly good result in terms of surface condition and productivity for a treatment time of 8 to 10 seconds for the selected brush parameters.
  • Tools with a functional length between 1 and 150 mm were treated. A 360 degree rotation of the turntable takes in this case about 3 minutes. Since several tools are treated simultaneously, a finished tool can be unloaded at the outlet every 10 seconds and an untreated one can be re-attached.
  • two tools per brushing station can be treated simultaneously for brushes of the selected diameter, which means that even with a constant treatment time of 45 seconds, twice the throughput per unit of time can be achieved.
  • the edge rounding of tool cutting edges was tested on the various brush bodies equipped with or without abrasives, also with the addition of diamond paste and lubricant.
  • the particle size of the diamond particles was 0.25 ⁇ m-15 ⁇ m.
  • an edge rounding between 3 ⁇ -30 ⁇ could be set in experiments 1 to 8, ie with very fine grain, the edge can be obtained almost perfectly, while with a slightly coarser grain a defined rounding can be set.
  • the edge rounding can be adjusted depending on the tool and application.
  • the aim is to stabilize the cutting edge and to achieve equalization of grinding breakages.
  • a treatment according to experiment no. 1 with a rotational speed of the plate of 0.3U / min corresponds to about 15 s treatment time per brush or height, proved to be suitable and economical to produce a smoothing without damaging the PVD layer at the cutting edges.
  • a multilayer of AICrN and TiSiN single layers (Balinit® Helica) an improvement of the roughness values could be achieved as follows: Roughness values before treatment R a 0.22, R z 4.47, R p 4.07; Roughness values after treatment R a 0.22, R z 2.47, R p 1.72.
  • the forces occurring when using a new tool forces can be reduced by 20 to 50%, which significantly improves the running-in behavior of the tools and, for example, the risk of edge breakage and similar undesirable phenomena is reduced during running.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Claims (7)

  1. Dispositif d'usinage de surfaces techniques sur des pièces sensiblement cylindriques (3), ledit dispositif comportant une unité d'usinage (4) et un porte-pièce (1) apte à tourner autour d'un premier axe et comportant un entraînement et au moins deux, ou plusieurs, supports (5) mobiles en rotation autour d'axes, qui sont sensiblement parallèles au premier axe, fixés auxdits axes et destinés à approcher les pièces cylindriques (3) de l'unité d'usinage (4),
    l'unité d'usinage (4) comportant des moyens (6) destinés à générer une pression d'application sensiblement constante qui sera exercée par des brosses sur la surface des pièces (3) et l'entraînement étant conçu de façon à définir la durée de l'approche de l'unité de traitement (4) et la durée d'usinage des pièces (3) par celle-ci,
    caractérisé en ce que l'unité d'usinage (4) comporte des brosses circulaires ou à courroie qui sont disposées dans un plan qui est parallèle à l'axe de cylindre défini par la pièce cylindrique.
  2. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les moyens (6) comportent au moins un amortisseur à gaz sous pression, des moyens à ressorts, des moyens élastiques ou des moyens pondéraux et, si besoin est, des moyens de levage.
  3. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le porte-pièce est réalisé sous la forme d'un plateau ou d'une bande.
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'entraînement est un entraînement d'approche continue, cyclique ou pas à pas.
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les supports (5) peuvent être mis en rotation par les forces tangentielles exercées par l'unité d'usinage (4) sur la circonférence des pièces (3).
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les supports peuvent être mis en rotation par des moyens d'entraînement séparés.
  7. Dispositif selon la revendication 6, caractérisé en ce que les moyens d'entraînement comportent une roue dentée et une couronne dentée, une roue à friction et une couronne à friction ou des moyens similaires.
EP07000172A 2006-01-16 2007-01-05 Appareil à brosse Active EP1825954B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202006000645U DE202006000645U1 (de) 2006-01-16 2006-01-16 Bürstvorrichtung

Publications (2)

Publication Number Publication Date
EP1825954A1 EP1825954A1 (fr) 2007-08-29
EP1825954B1 true EP1825954B1 (fr) 2010-03-24

Family

ID=36089563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07000172A Active EP1825954B1 (fr) 2006-01-16 2007-01-05 Appareil à brosse

Country Status (5)

Country Link
US (1) US20070167114A1 (fr)
EP (1) EP1825954B1 (fr)
JP (1) JP5296319B2 (fr)
AT (1) ATE461783T1 (fr)
DE (2) DE202006000645U1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101057106B1 (ko) * 2008-10-21 2011-08-16 대구텍 유한회사 절삭 공구 및 이의 표면 처리방법
CN103084946B (zh) * 2011-10-31 2015-07-15 鸿准精密模具（昆山）有限公司 去毛刺机
DE202017101113U1 (de) 2017-02-28 2017-03-16 PLASMA plus GmbH & Co. KG Bürsteinrichtung zum Schleifen und/oder Polieren von Werkzeugen
CN109940498B (zh) * 2019-03-30 2024-03-15 浙江联宜电机有限公司 齿轮抛光装置
CN111299201B (zh) * 2020-03-23 2020-12-04 泉州睿郎机电技术有限公司 一种高效的智能化清理废旧螺丝的装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994100A (en) * 1973-06-14 1976-11-30 Sundstrand Syracuse, Inc. Multi-station grinding machine with pivoted grinding elements
JPS55137877A (en) * 1979-04-11 1980-10-28 Hiroshi Okumura Rotary automatic buffing machine
US4635405A (en) * 1983-05-18 1987-01-13 Timesavers, Inc. Continuous arcuate feed assembly
IT1243912B (it) * 1990-11-20 1994-06-28 Mapos Italiana Srl Apparecchiatura combinata, per la pulitura e la lucidatura di pezzi metallici in genere.
US5299394A (en) * 1992-03-16 1994-04-05 Surdacki Richard G Method and apparatus for buffing spherical parts
JPH079322A (ja) * 1993-06-30 1995-01-13 Fujikoshi Mach Corp ウエハーの研磨装置
JPH07205021A (ja) * 1994-01-25 1995-08-08 Sony Corp 研磨装置
JPH0966449A (ja) * 1995-08-31 1997-03-11 Victor Co Of Japan Ltd 光ディスク用研磨装置
JPH10337643A (ja) * 1997-06-06 1998-12-22 Mitsubishi Heavy Ind Ltd 研磨装置
FR2814388B1 (fr) * 2000-09-28 2003-06-20 Bernard Bula Centre de finissage de pieces de mecanique
JP3693934B2 (ja) * 2001-05-28 2005-09-14 株式会社カワサキプレシジョンマシナリ 加工装置

Also Published As

Publication number Publication date
JP5296319B2 (ja) 2013-09-25
DE202006000645U1 (de) 2006-03-09
US20070167114A1 (en) 2007-07-19
EP1825954A1 (fr) 2007-08-29
JP2007190672A (ja) 2007-08-02
ATE461783T1 (de) 2010-04-15
DE502007003191D1 (de) 2010-05-06

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