EP3969638B1 - Verfahren zum beschichten von teilen - Google Patents

Verfahren zum beschichten von teilen Download PDF

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Publication number
EP3969638B1
EP3969638B1 EP20729958.7A EP20729958A EP3969638B1 EP 3969638 B1 EP3969638 B1 EP 3969638B1 EP 20729958 A EP20729958 A EP 20729958A EP 3969638 B1 EP3969638 B1 EP 3969638B1
Authority
EP
European Patent Office
Prior art keywords
planetary
rotation
axis
basket
coating method
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
EP20729958.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3969638C0 (de
EP3969638A1 (de
Inventor
Fabian SIMONSEN
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.)
Ejot SE and Co KG
Original Assignee
Ejot SE and Co KG
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 Ejot SE and Co KG filed Critical Ejot SE and Co KG
Publication of EP3969638A1 publication Critical patent/EP3969638A1/de
Application granted granted Critical
Publication of EP3969638B1 publication Critical patent/EP3969638B1/de
Publication of EP3969638C0 publication Critical patent/EP3969638C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/02—Coating starting from inorganic powder by application of pressure only
    • C23C24/04—Impact or kinetic deposition of particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/04—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
    • B05C3/08—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material the work and the liquid or other fluent material being agitated together in a container, e.g. tumbled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/09—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
    • B05D1/005—Spin coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2258/00—Small objects (e.g. screws)

Definitions

  • the invention relates to a method for coating parts in a dip-spin method according to the preamble of claim 1.
  • the DE 299 11 753 U1 relates to a machine for surface treatment and/or surface coating of small parts, the machine having a motor axis of rotation, to which a basket can be driven in rotation about its basket axis at a distance.
  • the drive is via a planetary gear. Due to the superimposed rotary movement, the parts held in the basket are exposed to changing radial accelerations, which results in coating liquid being thrown off and favorable shifting behavior as a result.
  • the parts to be coated are immersed in a coating liquid for coating, with the parts to be coated then being spun in at least two planetary cage arrangements, in a first and a second planetary cage arrangement, each of which provides a maximum absorption volume.
  • the filling of the capacity with parts takes place only up to a maximum of 50% of the maximum capacity of the planetary cage arrangement.
  • the coated parts are spun in the planetary cage assembly in a planetary centrifuge, the planetary centrifuge according to the invention having a main rotor rotating about a main rotor axis of rotation, and the at least two planetary cage assemblies rotate about their planetary axis of rotation, the planetary axes of rotation on the main rotor being spaced apart from the main rotor axis of rotation.
  • the rotations about the main rotor axis of rotation and the planetary axis of rotation are not necessarily generated by a planetary gear. Rather, a separate drive can be provided for each planetary cage arrangement, which is different from the drive of the main rotor.
  • the planetary axes of rotation are preferably parallel to one another and parallel to the main rotor axis.
  • the first planetary cage assembly is rotated about its respective planetary axis of rotation in the opposite direction to the second planetary cage assembly.
  • the opposite rotation of the two planetary cage assemblies means that the torque, which is increased due to the load distribution of the partially loaded planetary cage assemblies for the rotation about the respective planetary axes of rotation, but the restoring moment acting about the main rotor axis of rotation can be reduced by the opposite rotation of the planetary cage assemblies.
  • a centrifuge which provides a plurality of planetary cage arrangements arranged in pairs, with the two planetary cage arrangements being rotated in opposite directions to one another.
  • the axes of rotation of the planetary cage arrangement of a pair preferably lie on a line and are symmetrical to the axis of rotation of the main rotor.
  • a planetary cage arrangement can include a planetary cage, in particular a cylindrical planetary cage, in which the parts are accommodated, with the planetary axis of rotation being identical to the planetary cage axis.
  • the planetary cage arrangements can be designed in such a way that a plurality of planetary cages which are arranged circumferentially around their respective planetary axes of rotation and in which the parts are accommodated rotate.
  • the planetary axis of rotation lies in particular between the individual planetary baskets.
  • the individual planetary baskets can preferably be mechanically connected to one another.
  • the planetary baskets can be rigidly connected to one another.
  • the planetary baskets have a circular cross-section and their walls rest against one another, with the planetary axis of rotation lying in the center of the area that results from the connection of the adjacent centers of the planetary baskets.
  • the number of planetary baskets is preferably odd. Three planetary baskets are preferably provided.
  • the planetary baskets are preferably cylindrical and of the same size.
  • the planetary baskets are in particular filled with the same mass of bulk material, so that a continuous reduction in the counter-torque acting counter to the direction of rotation of the planetary axis of rotation is produced.
  • the coating agent is preferably a liquid zinc flake coating, but can also be an aluminum flake coating, for example.
  • the planetary basket arrangement has a radius of a circle enveloping the planetary baskets, the radius of which is less than the distance between the planetary axis of rotation and the main rotor axis.
  • the distance preferably corresponds approximately to this radius.
  • the speed for the main rotor is preferably up to 450 rpm.
  • the speed for the planetary cage arrangement is preferably between 0.5 rpm and 5 rpm.
  • the distance between the planetary axes of rotation and the main rotor axis is preferably between 0.2 m and 1 m.
  • FIG. 1 shows a planetary centrifuge 10 with a main axis of rotation D, about which the main rotor 14 rotates in a first direction of rotation D1.
  • a first planetary gear assembly 18a and her symmetrically to the main axis of rotation D opposite a second planetary gear assembly 18b is provided, with the planetary gear assemblies 18a, 18b each around their Rotate planetary axes of rotation P1 and P2.
  • the planetary cage arrangements 18a, 18b each comprise a cylindrical planetary cage 19a, 19b which is arranged coaxially to the planetary axis of rotation P1, P2.
  • the direction of rotation of the main rotor 14 runs counterclockwise, whereas the direction of rotation of the first planetary cage arrangement 18a is oriented clockwise, and the direction of rotation of the second planetary cage arrangement 18b is counterclockwise.
  • the speed of the main rotor is 300 rpm and the speed of the planetary cage arrangement 18a, 18b is approximately 1 rpm.
  • the reverse rotation of the planetary cage arrangements reduces the restoring moment M1, which acts against the direction of rotation of the main rotor 14 about the main rotor axis of rotation, with an unbalance moment on the main axis of rotation D resulting.
  • the unbalance moment is significantly lower in comparison to the torque acting around the main axis of rotation when the planetary cage arrangements rotate in the same direction.
  • FIG. 2 shows a further schematic view of a planetary centrifuge as used in the coating process according to the invention.
  • the arrangement described has two planetary cage assemblies 20a, 20b, each with three planetary cages 16a, 16b, 16c, 22a, 22b, 22c, which are rotated about the planetary axis of rotation P1, P2 of the planetary cage assembly 20a, 20b.
  • all planetary cages 16a, 16b, 16c, 22a, 22b, 22c are filled with the same or approximately the same amount of coated parts.
  • the forces F1, F2, F3 result in a snapshot during the centrifugation, for example for the planetary basket arrangement 20a, due to the parts distributed in the planetary baskets 16a, 16b, 16c.
  • the forces F2, F3 create a moment against the direction of rotation, whereas F1 creates a moment in the direction of rotation.
  • the planetary cage arrangements rotate about their respective planetary axes of rotation P1, P2 by more than 360°, which leads to a thorough mixing and a change in the position of the parts to be coated.
  • the walls of the planetary baskets 16a, 16b, 16c, 22a, 22b, 22c are designed in such a way that the coating liquid can be discharged from the planetary baskets during centrifugation.
  • they are designed as mesh baskets.
  • the planetary cage arrangements 20a, 20b each comprising three planetary cages 16a, 16b, 16c, 22a, 22b, 22c, are rotated in opposite directions of rotation according to the invention. This reduces the restoring torque acting about the main axis of rotation due to the counter-rotating rotation and the restoring torque acting about the planetary axes of rotation and the imbalance torque due to the plurality of planetary baskets.
  • the coating liquid can be reliably thrown off the smallest scooping structures.
  • this has the advantage that excess coating in the drive does not counteract the ideal accommodation of the drive bit.
  • the throughput of the parts to be processed in a coating process can be increased.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Centrifugal Separators (AREA)
  • Pens And Brushes (AREA)
  • Materials For Medical Uses (AREA)
EP20729958.7A 2019-05-17 2020-05-15 Verfahren zum beschichten von teilen Active EP3969638B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019113189.8A DE102019113189A1 (de) 2019-05-17 2019-05-17 Verfahren zum Beschichten von Teilen
PCT/EP2020/063730 WO2020234194A1 (de) 2019-05-17 2020-05-15 Verfahren zum beschichten von teilen

Publications (3)

Publication Number Publication Date
EP3969638A1 EP3969638A1 (de) 2022-03-23
EP3969638B1 true EP3969638B1 (de) 2023-06-07
EP3969638C0 EP3969638C0 (de) 2023-06-07

Family

ID=70968906

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20729958.7A Active EP3969638B1 (de) 2019-05-17 2020-05-15 Verfahren zum beschichten von teilen

Country Status (8)

Country Link
US (1) US11969749B2 (ko)
EP (1) EP3969638B1 (ko)
KR (1) KR102615090B1 (ko)
CN (1) CN114207186B (ko)
DE (1) DE102019113189A1 (ko)
ES (1) ES2949189T3 (ko)
TW (1) TW202042920A (ko)
WO (1) WO2020234194A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018111331A1 (de) * 2018-05-11 2019-11-14 Ejot Gmbh & Co. Kg Verfahren zur Beschichtung von Teilen in einem Tauch-Schleuderverfahren
DE102021207669B4 (de) 2021-07-19 2023-05-04 Forplan AG Beschichtungsverfahren, Beschichtungsvorrichtung und Beschichtungsanlage mit einer solchen Beschichtungsvorrichtung sowie Antriebsstrang

Family Cites Families (22)

* Cited by examiner, † Cited by third party
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DE2345727A1 (de) * 1973-09-11 1975-03-20 Manfrid Dreher Kg Apparatebau Trommelanlage zur mechanischen oberflaechenbehandlung von kleinteilen
EP0336983A4 (de) * 1987-09-18 1990-04-10 Bukatov Alexandr S Titanimplantat für kardiovaskulare chirurgie und verfahren zur herstellung.
CA2059094C (en) * 1991-01-10 1997-06-03 Optical Coating Laboratory, Inc. High ratio planetary drive system for vacuum chamber
JP2767684B2 (ja) * 1994-05-31 1998-06-18 日本エンバイロ工業株式会社 洗浄脱液装置
DE19613927C1 (de) * 1996-04-06 1997-11-20 Reinhardt Gmbh Ernst Verfahren und Vorrichtung zum Beschichten von Kleinteilen
DE29911753U1 (de) * 1999-07-08 2000-11-16 Wmv App Bau Gmbh & Co Kg Behandlungsmaschine mit Planetenantrieb
TW463614U (en) * 2000-07-27 2001-11-11 Chen Shang Ren Clamping device for hot dogs
JP4756732B2 (ja) * 2000-11-15 2011-08-24 名阪真空工業株式会社 板状塗工物の製造方法及びそれに好適な塗布装置
DE10344475B3 (de) * 2003-09-25 2005-01-27 Ernst Reinhardt Gmbh Vorrichtung zur Oberflächenbeschichtung von Kleinteilen
US20050126497A1 (en) * 2003-09-30 2005-06-16 Kidd Jerry D. Platform assembly and method
JP4937502B2 (ja) * 2004-08-04 2012-05-23 有限会社ナガオシステム 遊星ボールミル
JP4873710B2 (ja) * 2006-12-04 2012-02-08 有限会社ナガオシステム 回転混合容器、ポット蓋部及び混合方法
DE102010009391A1 (de) * 2010-02-26 2011-09-01 Schaeffler Technologies Gmbh & Co. Kg Wälzlageranordnung und Planetengetriebe mit der Wälzlageranordnung
JP6231292B2 (ja) * 2013-03-29 2017-11-15 トヨタ自動車株式会社 粉体塗工装置、およびそれを用いた電極の製造方法
TWM463614U (zh) * 2013-05-10 2013-10-21 Minsun Technology Co Ltd 浸甩漆塗佈裝置
CN203355993U (zh) * 2013-07-01 2013-12-25 敏尚企业有限公司 浸甩漆涂布装置
US9664254B2 (en) * 2015-05-29 2017-05-30 Borgwarner Inc. Split ring carrier with eccentric pin with spring compliance and speed dependence
CN206286130U (zh) * 2016-03-24 2017-06-30 张亚明 行星式离心机
CN106637140B (zh) * 2016-11-30 2018-08-10 江苏菲沃泰纳米科技有限公司 一种纳米镀膜设备行星回转货架装置
DE102017118172A1 (de) 2017-08-09 2019-02-14 Forplan AG Beschichtungsverfahren, Beschichtungsvorrichtung zur Durchführung dieses Verfahrens und Beschichtungsanlage mit einer solchen Beschichtungsvorrichtung
CN207996774U (zh) * 2018-01-26 2018-10-23 深圳市达克罗工业有限公司 一种多篮双头平衡式涂覆装置
DE102018111331A1 (de) * 2018-05-11 2019-11-14 Ejot Gmbh & Co. Kg Verfahren zur Beschichtung von Teilen in einem Tauch-Schleuderverfahren

Also Published As

Publication number Publication date
US11969749B2 (en) 2024-04-30
KR20220008883A (ko) 2022-01-21
ES2949189T3 (es) 2023-09-26
US20220072583A1 (en) 2022-03-10
TW202042920A (zh) 2020-12-01
KR102615090B1 (ko) 2023-12-15
CN114207186B (zh) 2023-10-20
WO2020234194A1 (de) 2020-11-26
DE102019113189A1 (de) 2020-11-19
EP3969638C0 (de) 2023-06-07
CN114207186A (zh) 2022-03-18
EP3969638A1 (de) 2022-03-23

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