EP1153154B1 - Verfahren und anordnung zum thermischen beschichten von flächen eines innenraumes, insbesondere von zylinderlaufflächen eines zylinderkurbelgehäuses einer verbrennungskraftmaschine - Google Patents
Verfahren und anordnung zum thermischen beschichten von flächen eines innenraumes, insbesondere von zylinderlaufflächen eines zylinderkurbelgehäuses einer verbrennungskraftmaschine Download PDFInfo
- Publication number
- EP1153154B1 EP1153154B1 EP99963378A EP99963378A EP1153154B1 EP 1153154 B1 EP1153154 B1 EP 1153154B1 EP 99963378 A EP99963378 A EP 99963378A EP 99963378 A EP99963378 A EP 99963378A EP 1153154 B1 EP1153154 B1 EP 1153154B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- masking
- crankcase
- templates
- cylinder crankcase
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
- B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/01—Selective coating, e.g. pattern coating, without pre-treatment of the material to be coated
Definitions
- the invention relates to a method for thermal coating of Areas of an interior with the in the preamble of claim 1 mentioned features and an arrangement for thermal coating of surfaces of an interior with the in the preamble of claim 9 mentioned features.
- thermal Coating for example a plasma coating, becomes a Coating material, in particular a metal, in powder or rod form fed to a flame, melted in this and on a substrate dejected.
- a Coating material in particular a metal
- a flame melted in this and on a substrate dejected.
- coatings with different properties in particular with desired Sliding properties, hardness properties, layer thicknesses or the like, be achieved.
- the invention is based on the object, an arrangement of to provide a generic type, with the simple way a secure, in particular the use of a cylinder crankcase not negative affecting, thermal coating is possible.
- the invention is Further, the object of a method of the generic type specify with the simple way a safe thermal coating is possible.
- this object is achieved by a method with the in Claim 1 mentioned features.
- a stenciling the cylinder crankcase, based on the pretreatment and the Thermal coating, done separately is advantageously possible, respectively the respective treatment steps or used Treatment method to use matched masking, so that optimal protection of the remaining, non - treated areas of the Cylinder crankcase is given.
- Impairment by the stenciling between the pretreatment and the thermal coating lying operations, such as Measuring the cylinder surfaces avoided.
- the Stencil and the supply of masking to a Cleaning device automatically by means of a feeder for the Masking made.
- each at least partially cylinder to be thermally coated crankcase with a Cover template are provided. This then takes over during the entire pretreatment and the actual thermal coating of the Surfaces of the interior, in particular the cylinder surfaces of Cylinder bores, the protection of the remaining areas.
- a device for stenciling the cylinder crankcase comprises a turntable
- the by means of a drive about its axis of rotation in defined steps is rotatable so that a cover template within the Processing section and / or in a defined processing position the cylinder crankcases can be brought, can be in a simple manner at least during pretreatment and during thermal coating Stencil the cylinder crankcase reach.
- each one Cover template can be brought into position in a defined position to a treating cylinder crankcase is.
- Through the turntable can be a Spend the mask in the processing position in simple and achieve space-saving manner.
- the turntable several, in particular four mutually offset by 90 ° shots for Including each receiving a mask. This can be achieved by Gradual turning of the turntable by 90 ° exactly one Cover template are brought into the processing position.
- the Device for stenciling the cylinder crankcase Cleaning device is assigned, by means of a cleaning used Masking is feasible.
- a mask used for covering after use be cleaned immediately at their place of use and for another Be prepared for use.
- the turntable can so very advantageous per processing section on which a cover of the Cylinder crankcase should be done by means of at least two, in particular four Masking a continuous operation can be maintained. While one Cover template is in the machining position, can be a second Cover template are in the cleaning position.
- One material and one Space requirements can be optimized by such a design to a minimum.
- the cleaning device can preferably be replaced by a tube exchange machine be formed, interchangeable by means of the closure sleeves in the masking are.
- a tube exchange machine be formed interchangeable by means of the closure sleeves in the masking are.
- FIG. 1 schematically shows a processing station 10 for thermal coating cylinder liners of cylinder crankcases 12. This is only partial each a cylinder crankcase 12 indicated, this also only indicated cylinder bores 14, here four, has.
- the processing station 10 are the, the cylinder bores 14 delimiting walls, so the Cylinder surfaces, coated.
- the coating takes place by means of a Plasma coating technology. In the context of the present description is on the actual process of plasma coating not discussed in more detail, since this is known.
- the cylinder crankcase 12 are by means of a transport path 16, for example a roller conveyor or the like, moved by the processing station 10.
- the Processing station 10 comprises processing sections 18, 20, 22, 24, 26, 28, 30, 32, 34 and 36. Below, we will briefly discuss the individual processing sections become.
- the processing section 18 comprises a feed station, in which the Cylinder crankcase the processing station 10 are passed.
- the Cylinder crankcase 12 are already not closer to here manufactured and with all necessary functional elements, such as Cylinder bores, coolant channels, Plangebohritch or the like, finished machined.
- the processing section 20 comprises a washing or cleaning station, within which the cylinder crankcases are washed completely chip-free and oil-free become. Furthermore, a drying and an absolute degreasing of the coated cylinder surfaces.
- the chips and oil freedom for example, by achieves an injection flood wash, critical areas such as undercuts, Holes, cavities or the like, by a targeted injection of a Wash liquor with high pressure.
- the degreasing is done for example by Hot steam, for example, by appropriately trained lances on the Cylinder running surfaces of the cylinder crankcase 12 is passed.
- the superheated steam possesses for example, a temperature of 130 ° C to 160 ° C and is at a pressure of about 150 to 180 mbar introduced.
- the subsequent drying of the Cylinder crankcase is preferably carried out under vacuum, for example at a Negative pressure of 80 to 120 mbar.
- Cylinder crankcase 12 In the processing section 22 is a so-called stenciling of Cylinder crankcase 12.
- the Cover template 38 has here indicated openings 40.
- the openings 40 are aligned with the cylinder bores 14, so that when applying the cover template 38 the Cylinder bores 14 remain accessible through the openings 40 from above.
- the Cover template 38 is formed so that all other areas of the Cylinder crankcase 12 are covered by this. This applies in particular Coolant channels, Plangebohritch or the like.
- the cover template 38 can this manually or by a corresponding gripper or the like on the Cylinder crankcase 12 are placed.
- the cover template 38 has an exact flat underside, which is ground on the already planed or milled Cylinder head surface of the cylinder crankcase 12 rests.
- fixing pins have, for example, in the cylinder crankcase 12 anyway present P
- ohrept for example, for later securing a cylinder head, intervention.
- the cover template 38 is made of a material opposite to the subsequent processing is resistant. This has in particular a sufficient great strength against a sandblast attack and against one Plasma treatment and the like.
- the cover template 38 is hereby only by their own weight on the cylinder crankcase 12.
- Sandblasting of the cylinder bores 14 takes place in the processing section 24. This sandblasting takes place in order to achieve a roughness of the cylinder running surfaces, so that the plasma coating taking place in the processing section 32 obtains the necessary adhesive tensile strength.
- at least one jet lance optionally two or more jet lances, are introduced into the cylinder bores 14 at the same time or successively. In this case, the lances engage through the openings 40 of the cover template 38.
- the sand blasting is carried out, for example, with aluminum oxide Al 2 O 3 with a particle size of 0.18 to 1.18 mm depending on the required surface roughness, based on the substrate alloy of the cylinder crankcase or adhesive tensile strength of the subsequent plasma coating.
- sandblasting is preferably done with a dual sandblasting unit having two sandblasting lances.
- the simultaneous sandblasting of the cylinder bores 1 and 3, that is, not directly adjacent cylinder bores 14. This is better handling in a relatively cramped available space conditions, which are based on the gauge of the cylinder bores 14, possible.
- this halves the processing time for a complete cylinder crankcase 12, since two cylinder bores are machined simultaneously.
- either the cylinder crankcase 12 or the sandblasting unit is moved by the pitch of the cylinder bore 14, so that then the Zylin derbohrept 2 and 4 can be sandblasted.
- the sandblasting takes place here through the openings 40 of the cover templates 38, that is, the beam lances are inserted through the cover template 38 into the cylinder bores 14.
- By covering mask 38 all other areas of the cylinder crankcase 12 are protected so that they do not come into contact with the introduced under pressure sandblasting, so that their surfaces experience no impairment.
- the action of sandblasting takes place exclusively on the cylinder running surfaces of the cylinder bores 14.
- the sandblasted cylinder crankcase 12 in the Machining section 26 cleaned by settling by the sandblasting Dust, especially fine dust, is removed from the cylinder bores 14.
- This For example, by purified, de-oiled and water-free compressed air, for example with a pressure of approximately 5 to 6 bar with simultaneous suction of the dusts. This is a simultaneous cleaning, ie blowing and suction, all Cylinder bores 14.
- a measurement of the cylinder crankcase 12 takes place, in particular a roughness measurement of the cylinder treads.
- the measurement can by means of suitable facilities, such as photogrammetry, fully automatic respectively.
- a measurement of all cylinder bores 14 or random samples only one of the cylinder bore 14 or a cylinder bore 14 every nth Cylinder crankcase 12 done. After measurement of the cylinder crankcase 12th these are transferred to the processing section 30, within which a mark the cylinder crankcase 12 takes place. If the measurement shows that the roughness is outside the predetermined tolerances, the corresponding cylinder crankcase 12 may sorted out and, if necessary, fed again to the sandblasting station. However, the number of maximum possible blasting operations is limited. Becomes a faulty crankcase determines the frequency of the Roughness measurement can be increased.
- the cylinder crankcases are in the processing section 32nd in which the actual thermal coating of the cylinder surfaces he follows.
- the plasma coating is carried out in a conventional manner by a Coating material, in particular a metal, a flame is supplied in this melted out and precipitated on the cylinder surfaces.
- a coating atmosphere for example Oxygen and / or nitrogen or another process gas to stabilize the Flame and / or for controlling the oxide content in the plasma layer supplied.
- the Plasma coating of the cylinder surfaces can here for each of Cylinder bores 14 are made individually or, similar to the sandblasting, by a Double plasma unit, by means of the first cylinder bores 1 and 3 and then the cylinder bores 2 and 4 are coated.
- cover template 38 is a Impairment, especially contamination, of areas not to be coated the cylinder crankcases 12 safely avoided.
- the Cylinder crankcase transferred to the processing section 34. This one can optionally be part of a cooling zone. After another Embodiment is between the plasma coating in the processing section 32 and the processing section 34 is provided a separate cooling zone.
- the processing section 34 takes a removal of the cover template 38. This is either manually or by auxiliaries of the cylinder crankcase 12th taken. Since the cover template 38 only by its own weight on the Cylinder crankcase 12 rests, additional measures to remove the Cover template 38 not necessary. Finally, the cylinder crankcase 12 is in taken from a processing section 36 of the processing station 10 and a further processing, such as honing the plasma-coated Cylinder bores 14, attaching an inlet chamfer to the cylinder bores fourteenth fed.
- a marking of the cylinder crankcase 12 takes place for example by a serial number or the like.
- the openings 40 of the cover template 38 is slightly larger are as the cylinder bores 14, so that a corresponding edge coating of the the cylinder bores 14 surrounding edge regions of the cylinder crankcase 12th he follows. This advantageously ensures that the later chamfer a correspondingly high adhesive tensile strength against cutting forces of the chamfering tool and the plasma coating is not damaged during chamfering.
- the Stenciling the cylinder crankcase 12 illustrates.
- the Stenciling the cylinder crankcase 12 illustrates.
- the basic structure within the processing sections 24 and 32 is the same. Different are only once the sandblasting facilities as tools and on the other hand, the plasma coating equipment as tools. As part of the However, this description will not be discussed further here.
- Decisive is the stenciling of the cylinder crankcase 12 both during Sand blasting in the processing section 24 as well as the plasma coating in Processing section 32.
- a cylinder crankcase 12 is on a lifting table 42 is arranged.
- the lifting table 42 is integrated into the transport path 16. This is done in such a way that the cylinder crankcase 12 by means of the transport path 16 in the respective processing sections 24 and 32 are transported and There by means of the lifting tables 42 can be converted into their respective processing position.
- a machining tool 44 each one a lance or after The already explained embodiments, two or more lances 46 has. The lances 46 are either for sand blasting at the processing section 24 or formed for plasma coating in the processing section 32 accordingly.
- the processing stations 24 and 32 also include one here in total designated 50 means for stenciling the cylinder crankcase 12.
- stenciling takes place here processing related on the one hand in the processing station 24 and on the other hand in the Processing station 32.
- the device 50 comprises a turntable 52, which by means of a Drive 54 is rotatable about its axis of rotation 56 in defined steps.
- the Turntable 52 has, as the schematic plan view in Figure 3 better illustrates, Receivers 58 for each cover template.
- the cover templates 38 have only the openings 40, each of which Cylinder bores 14 are assigned.
- the turntable 52nd defines gradually rotatable.
- the device 50 is an indicated cleaning device 62, the for example, may have a cutter 64 assigned.
- Cleaning device may also be a device for replacement of Wear sleeves, which are arranged in the template 38 may be provided. Further are still indicated here suction 66 and 68, respectively.
- the device 50 shown in FIGS. 2 and 3 has the following function:
- FIG. 3 illustrates, are in the moment where a cover template 38 in its processing position is - next to clockwise - a next one Cover template 38 in a transition position and a cover template 38 in one the cleaning device 62 (sleeve exchange device) associated position.
- a Another cover template 38 is located between the cleaning position and the Processing position. This ensures that at the same time, if a Cover template 38 assumes its covering function, a second, namely this exactly arranged offset by 180 ° cover template 38, cleaned by means of the device 62 becomes.
- the milling device 64 for example, a dimensional accuracy of the openings 40 of the cover templates 38 are restored. This can for example be affected by deposits during the plasma coating. The Dimensional accuracy of the openings can also be replaced by replacement of wear sleeves be achieved in the masking.
- the arrangement of the cleaning device 62 be omitted, since here no additional material order, the dimensional accuracy of the Can affect openings 40 occurs. Only by the material removal not more dimensionally stable masking 38 or wear sleeves can be replaced.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Coating By Spraying Or Casting (AREA)
Description
- Figur 1
- eine schematische Ansicht einer Bearbeitungsstation zum thermischen Beschichten von Zylinderlaufflächen in Zylinderkurbelgehäusen;
- Figur 2
- eine schematische Seitenansicht eines Bearbeitungsabschnittes der Bearbeitungsstation und
- Figur 3
- eine schematische Draufsicht auf den Bearbeitungsabschnitt gemäß Figur 2.
Claims (14)
- Verfahren zum thermischen Beschichten von Flächen eines Innenraumes, insbesondere von Zylinderlaufflächen eines Zylinderkurbelgehäuses, wobei die Zylinderkurbelgehäuse einer Bearbeitungsstation zugeführt werden, und innerhalb der Bearbeitungsstation zumindest eine Vorbehandlung der zu beschichtenden Flächen und die thermische Beschichtung der Flächen erfolgt, wobei vor der Vorbehandlung die Bereiche des Zylinderkurbelgehäuses abgedeckt (schabloniert) werden, an denen keine Behandlung in der Bearbeitungsstation erfolgen soll, dadurch gekennzeichnet, dass das Schablonieren der Zylinderkurbelgehäuse bezogen auf die Vorbehandlung und die thermische Beschichtung separat erfolgt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Schablonieren und die Zuführung der Abdeckschablonen zu einer Reinigungseinrichtung automatisch mittels einer Zuführeinrichtung für die Abdeckschablonen erfolgt.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schablonieren der Zylinderkurbelgehäuse vor Einbringen der Zylinderkurbelgehäuse in die Bearbeitungsstation erfolgt.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Zylinderkurbelgehäuse vor der Vorbehandlung und vor dem Schablonieren gewaschen, entfettet und getrocknet werden.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schablonieren durch Auflegen einer Abdeckschablone auf eine Zylinderkopffläche der Zylinderkurbelgehäuse erfolgt.
- Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die Abdeckschablonen durch ihr Eigengewicht auf die Zylinderkurbelgehäuse aufgelegt werden.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Abdeckschablonen auf den Zylinderkurbelgehäusen lagefixiert werden.
- Anordnung zum thermischen Beschichten von Flächen eines Innenraumes, insbesondere von Zylinderlaufflächen eines Zylinderkurbelgehäuses (12), mit einer in Bearbeitungsabschnitte (18, 20, 22, 24, 26, 28, 30, 32, 34, 36) unterteilten Bearbeitungsstation (10), wobei innerhalb der Bearbeitungsabschnitte (24, 32) zumindest eine Vorbehandlung der zu beschichtenden Flächen und eine thermische Beschichtung der Flächen erfolgt und denen eine Einrichtung (50) zum Schablonieren der Zylinderkurbelgehäuse (12) zugeordnet ist, dadurch gekennzeichnet, dass die Einrichtung (50) zum Schablonieren der Zylinderkurbelgehäuse (12) einen Drehteller (52) umfasst, der mittels eines Antriebes (54) um seine Drehachse (56) in definierten Schritten verdrehbar ist, so dass eine Abdeckschablone (38) innerhalb des Bearbeitungsabschnittes (24) und/oder (32) in eine definierte Bearbeitungsposition zu den Zylinderkurbelgehäusen (12) bringbar ist.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, dass der Drehteller (52) Aufnahmen (58) für die Abdeckschablone (38) besitzt.
- Anordnung nach Anspruch 9, dadurch gekennzeichnet, dass der Drehteller (52) wenigstens zwei, insbesondere vier um 90° zueinander versetzt angeordnete Aufnahmen (58) besitzt.
- Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Bearbeitungsabschnitte (24) und/oder (32) eine Hubeinrichtung (42) umfassen, mittels der die Zylinderkurbelgehäuse (12) gegen die positionierten Abdeckschablonen (38) verlagerbar sind.
- Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Einrichtung (50) eine Reinigungseinrichtung (62) aufweist, mittels der eine Reinigung gebrauchter Abdeckschablonen (38) durchführbar ist.
- Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Einrichtung (50) einen Hülsentauschautomat umfasst, mittels dem Verschleißhülsen in den Abdeckschablonen (38) austauschbar sind.
- Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dem Drehteller (52) Anschläge (60) zur exakten Positionierung der Abdeckschablonen (38) zugeordnet sind.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19860303 | 1998-12-18 | ||
DE19860303 | 1998-12-18 | ||
DE19910577A DE19910577B4 (de) | 1998-12-18 | 1999-03-10 | Verfahren und Anordnung zum thermischen Beschichten von Flächen eines Innenraumes, insbesondere von Zylinderlaufflächen eines Zylinderkurbelgehäuses einer Verbrennungskraftmaschine |
DE19910577 | 1999-03-10 | ||
PCT/EP1999/009456 WO2000037703A1 (de) | 1998-12-18 | 1999-12-03 | Verfahren und anordnung zum thermischen beschichten von flächen eines innenraumes, insbesondere von zylinderlaufflächen eines zylinderkurbelgehäuses einer verbrennungskraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1153154A1 EP1153154A1 (de) | 2001-11-14 |
EP1153154B1 true EP1153154B1 (de) | 2003-11-05 |
Family
ID=26051069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99963378A Expired - Lifetime EP1153154B1 (de) | 1998-12-18 | 1999-12-03 | Verfahren und anordnung zum thermischen beschichten von flächen eines innenraumes, insbesondere von zylinderlaufflächen eines zylinderkurbelgehäuses einer verbrennungskraftmaschine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1153154B1 (de) |
WO (1) | WO2000037703A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010053145A1 (de) | 2010-12-01 | 2012-06-06 | Daimler Ag | Greifer und Anordnung zum Maskieren |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009038013A1 (de) * | 2009-08-20 | 2011-02-24 | Behr Gmbh & Co. Kg | Verfahren zur Oberflächen-Beschichtung zumindest eines Teils eines Grundkörpers |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB618597A (en) * | 1945-02-19 | 1949-02-24 | Standard Telephones Cables Ltd | Method of and apparatus for spraying counter-electrode alloy on rectifier discs |
JPS5253736A (en) * | 1975-10-29 | 1977-04-30 | Osaka Uerudeingu Kougiyou Kk | Metallizing apparatus |
JPS5839772A (ja) * | 1981-08-31 | 1983-03-08 | Honda Motor Co Ltd | 金属溶射方法及び装置 |
JP3007673B2 (ja) * | 1990-10-26 | 2000-02-07 | 株式会社豊田自動織機製作所 | 塗装機のマスキング装置 |
CA2164142A1 (en) * | 1994-12-09 | 1996-06-10 | V. Durga Nageswar Rao | Method of making engine blocks with coated cylinder bores |
US5573814A (en) * | 1995-10-30 | 1996-11-12 | Ford Motor Company | Masking cylinder bore extremities from internal thermal spraying |
-
1999
- 1999-12-03 EP EP99963378A patent/EP1153154B1/de not_active Expired - Lifetime
- 1999-12-03 WO PCT/EP1999/009456 patent/WO2000037703A1/de active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010053145A1 (de) | 2010-12-01 | 2012-06-06 | Daimler Ag | Greifer und Anordnung zum Maskieren |
DE102010053145B4 (de) | 2010-12-01 | 2023-08-03 | Mercedes-Benz Group AG | Anordnung zum Maskieren |
Also Published As
Publication number | Publication date |
---|---|
WO2000037703A1 (de) | 2000-06-29 |
EP1153154A1 (de) | 2001-11-14 |
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