EP2623263A1 - Procédé et dispositif d'épaississement d'une surface et nettoyage d'un composant métallique - Google Patents

Procédé et dispositif d'épaississement d'une surface et nettoyage d'un composant métallique Download PDF

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Publication number
EP2623263A1
EP2623263A1 EP12185393.1A EP12185393A EP2623263A1 EP 2623263 A1 EP2623263 A1 EP 2623263A1 EP 12185393 A EP12185393 A EP 12185393A EP 2623263 A1 EP2623263 A1 EP 2623263A1
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EP
European Patent Office
Prior art keywords
blasting
metal component
blasting chamber
chamber
cleaning
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.)
Granted
Application number
EP12185393.1A
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German (de)
English (en)
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EP2623263B1 (fr
Inventor
Uwe Baumann
Jörg Dickhaus
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.)
Metalsa Automotive GmbH
Original Assignee
Ise Automotive GmbH
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 Ise Automotive GmbH filed Critical Ise Automotive GmbH
Priority to EP20120185393 priority Critical patent/EP2623263B1/fr
Publication of EP2623263A1 publication Critical patent/EP2623263A1/fr
Application granted granted Critical
Publication of EP2623263B1 publication Critical patent/EP2623263B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
    • B24C3/083—Transfer or feeding devices; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B24C1/086—Descaling; Removing coating films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
    • B24C3/085—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces the travelling workpieces being moved into different working positions during travelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints

Definitions

  • the directed particle beam must often be above the metal component be moved, which is time consuming and often does not lead to a uniform beam result.
  • no uniform surface compaction can be achieved by means of such a method.
  • ceramic jet particles can not be used as blasting material in most of the devices of the prior art, since the particular hardness of these particles leads to too rapid wear of these devices and thereby make the process uneconomical.
  • the invention has for its object to provide a simple method and apparatus for efficient implementation of the method to clean a metal component in a simple manner particularly time efficient and at the same time to achieve a full surface compacting.
  • the method according to the invention for surface compacting and cleaning of a metal component comprises first feeding the metal component into a processing area, followed by treatment of the metal component with a blasting material in the processing area and subsequent removal of blasting material particles from the metal component, wherein the blasting material consists of ceramic particles and the treatment of the metal component takes place substantially on all sides and over the entire surface.
  • the method advantageously makes it possible to clean and refine metal components, in particular those comprising a plurality of metal elements welded to one another, in a particularly simple and time-efficient manner. This is possible because the metal component is acted upon at the same time from all sides with blasting material and therefore a systematic shutdown of the surface with a direction Strahlgutstrahl, which is time consuming and usually does not lead to a uniform result is not necessary.
  • the entire surface is cleaned, but it also comes to a surface compression of the entire component, whereby the material properties of the workpiece are advantageously improved without separate processing step. This is possible in particular by the use of ceramic particles as blasting material.
  • the supply of the metal component can take place in any desired manner. Both manual and automatic methods are conceivable.
  • the supply preferably takes place automatically by means of a feed device, wherein this is very particularly preferably also included in a method step preceding the treatment, for example a production process, whereby a continuous transition between the two methods is possible.
  • the metal component to be treated may in principle be any metal component.
  • the method for surface compaction and cleaning of the metal component is preferably designed such that it can also be used in a metal component of complex shape.
  • a complex-shaped metal component is meant a metal component that has at least one forming step or arrangement of at least two components to each other a three-dimensional shape.
  • the method is designed such that formed sheet metal components, in particular stamped or deep-drawn metal components or metal components obtained by welding a plurality of components, can be processed and finished in a simple manner.
  • a region is generally defined within which the processing, in particular the surface compaction and cleaning of the metal component takes place.
  • subsequent cleaning of the metal component does not necessarily take place directly in the connection and spatially immediately adjacent to the processing area, a direct transfer of the metal component from the processing area into a cleaning area arranged in the immediate vicinity being particularly preferred.
  • the cleaning takes place in the processing area.
  • the invention is not limited to methods in which only a single treatment step is followed by a single purification step. Rather, it is also conceivable that during processing in the processing area an intermediate cleaning takes place, i. after a first processing step, an intermediate cleaning is carried out and then carried out a further treatment with blasting.
  • a treatment with blasting material is basically understood any process step in which accelerated blasting material is directed to the metal component to be treated.
  • a removal of blasting material particles is understood to be any process which is suitable for removing blasting material particles, blasting material particle residues and / or abraded particles located on the surface of the metal component from the surface of the metal component.
  • the removal can be done in any way and with the aid of any aids and / or auxiliaries.
  • the ceramic particles can basically have any size, size distribution, shape, material composition, surface structure and hardness as long as they can be used as blasting material. However, these are preferably uniformly shaped, compact ceramic particles with a narrow size distribution.
  • a substantially all-sided and full-surface treatment is understood to mean a treatment of a predominant part, preferably more than 90%, particularly preferably more than 95%, of a surface which is rectilinearly accessible to blasting material on all sides of the metal component.
  • Under a straight accessible surface of the metal component are all areas of the surface of the metal component understood, to which a straight-line access from at least one spatial direction is possible. In general, all areas which are visible on a metal component are also accessible in a straight line. For example, an interior area of an undercut can not be accessible in a straight line.
  • a cleaning is understood as a process step which is fundamentally suitable for removing foreign bodies from a surface of a metal component, in particular contaminants from previous process steps such as, for example, welding slag, welding spatter or material residues.
  • the degree of processing in all areas of the metal component is substantially constant, whereby a uniform surface compaction and cleaning of the metal component is achieved in an advantageous manner.
  • the intensity of the treatment in particular with regard to blasting material velocity and / or blasting material quantity applied to each surface section of the metal component, is controlled such that the treatment takes place substantially uniformly in all regions on the metal component.
  • a substantially uniform surface treatment is understood to mean a treatment whose intensity does not deviate from one another by a factor of 10, preferably 5 and more preferably 2, on different sections of the surface of the treated metal component.
  • the treatment is carried out by the accelerated blasting medium free of blowing agent flow, in particular free of water jets or gas flow, the blasting material is preferably accelerated by means of at least one, more preferably by means of several blast wheels.
  • a propellant-free operation allows a particularly simple way a uniform treatment of the surface, since there is no undesirable interaction of blowing agent with blasting comes.
  • multiple accelerators for blasting is prevented in this way that there is a strong interaction of blasting material and propellant, such as turbulence of the propellant near the surface of the metal component which greatly reduce accessibility of the surface for blasting another acceleration device for blasting would.
  • the surface of the metal component is treated in such a way that the entire surface of the metal component is cleaned and compacted without material removal. This can be done in a simple manner in particular by controlling the blasting material speed, the amount of blasting material directed onto the surface of the metal component per unit of time and by selecting the blasting medium with regard to hardness, particle size, particle shape and density.
  • the blasting material particles are removed mechanically, in particular by means of brushes or by stripping, and / or by means of a gas jet, in particular a compressed air jet from the metal component.
  • a gas jet in particular a compressed air jet from the metal component.
  • a water jet can be used to remove blasting material particles from the surface of the metal component.
  • the removal of abrasive particles may be assisted by rotation, vibration or accelerated movement of the metal component.
  • the removal of blasting material particles can take place in one of the manners described or by any combination of several methods at the same time or in succession.
  • the blasting material particles are removed from the metal component by means of an ultrasound device, preferably by means of an ultrasound bath which particularly preferably contains, in addition to an aqueous ultrasound solution, further chemical constituents and / or auxiliaries, thereby advantageously providing a complete and particularly thorough cleaning he follows.
  • an ultrasound device preferably by means of an ultrasound bath which particularly preferably contains, in addition to an aqueous ultrasound solution, further chemical constituents and / or auxiliaries, thereby advantageously providing a complete and particularly thorough cleaning he follows.
  • an ultrasound bath which particularly preferably contains, in addition to an aqueous ultrasound solution, further chemical constituents and / or auxiliaries, thereby advantageously providing a complete and particularly thorough cleaning he follows.
  • Particular preference is first given to a mechanical cleaning of the metal component and subsequently a treatment by means of an ultrasonic device.
  • the cleaning takes place in the ultrasonic bath by a Tauchentfettung, preferably in alkaline solution whose pH is more preferably between 9 and 11, over a treatment time between 30 seconds and 5 minutes, preferably between 1 and 2 minutes.
  • the ultrasonic power is preferably between 0.5 and 5 W / l, more preferably between 1 and 3 W / l.
  • the ultrasonic bath contains, in addition to a Tauchentfettungs cleaner in a concentration between 10 and 50 g / l, preferably between 15 and 25 g / l, most preferably further chemical constituents and is further preferably heated, with a temperature particularly preferably greater than 40 ° C. and most preferably greater than 50 ° C.
  • each metal component to be radiated is introduced individually into the blasting chamber and the blasting chamber is subsequently closed, so that no blasting material can escape from the blasting chamber during the blasting process.
  • the feeding of the metal component into the processing area and / or a transport of the metal component through the processing area are substantially continuous.
  • the metal component is very particularly preferably rotated within the machining area about at least one axis.
  • a continuous transport of the metal component allows a fully automatic implementation of the method in a particularly advantageous manner.
  • a transport of the metal component, in particular in the processing area is partially continuous by the metal component after it has been transported a certain distance dwells for a certain period of time at a position in the processing area. In this case, the preferred continues to rotate.
  • Such a rotation which takes place at standstill or continuously during transport of the metal component, makes it possible in a particularly simple manner that the metal component can be treated on all sides and particularly uniformly.
  • At least two metal components above or next to each other with a distance from each other are supplied fully automatically to the processing area and rotated during treatment by at least one axis.
  • the device according to the invention for surface compacting and cleaning of a metal component, in particular welding residues comprises a blasting chamber, at least two arranged on the blasting chamber, supplied by blasting material feed devices and a transport device for transporting the metal component to be radiated, wherein at least two blast wheels on the blasting chamber in different directions aligned in the blasting chamber interior.
  • the device By means of the device according to the invention, it is possible in a particularly simple manner to process a metal component by means of the method according to the invention, wherein an all-round and full-surface treatment is preferably made possible by a plurality of centrifugal wheels arranged in different directions.
  • the device can be operated particularly simply, efficiently and with little effort due to the transport device whereby integration into a fully automatic series production process is easily possible.
  • the area of the device is basically defined, in which a surface compression and cleaning of the metal component by means of accelerated blasting takes place. In addition, further processing steps or processes within this area are possible.
  • the blasting chamber can in principle be formed from any material and have any shape. Preferably, the blasting chamber has a simple shape with few Verwinklungen to avoid unwanted accumulation of blasting in these areas.
  • a blast wheel is basically understood any mechanical device having a rotating component and is suitable to accelerate a blasting material.
  • the blast wheel can be formed of any material. However, it is preferably a material with a greater hardness than steel, preferably a greater hardness of tool steel, in order to avoid rapid wear.
  • the blast wheel may be formed in one piece or consist of several components.
  • the impeller is formed as an assembly of a plurality of individual components, which are arranged at least partially reversible to each other, which easily exchanged individual components in case of a defect or heavy wear can be.
  • the supply device for supplying the impeller may be formed of any material and have an arbitrary shape.
  • a feed device preferably has an area in which blasting material can be stored, so that a continuous supply of blasting material to the blast wheel is ensured.
  • the transport device can be any device which is suitable for transporting the metal component to be radiated.
  • the metal component is conveyed continuously during the treatment by means of the transport device at least within the blasting chamber.
  • the transport takes place through the entire device by means of an uninterrupted transport device.
  • the transport of the metal component is suspended.
  • the transport device may be formed of any material, wherein a region of the transport device, which comes into contact with blasting material in the blasting chamber, preferably consists of a material having a greater hardness than steel, preferably a greater hardness than tool steel, and / or in simple manner is arranged exchangeably on the transport device.
  • the transport device has the task of holding the metal component during the blasting process and thereby moving within the blasting chamber, which makes it possible to act on the surface of the metal component on all sides in a particularly simple manner.
  • a continuous supply and removal of radiant metal components to and from the blasting chamber is particularly preferably by means of the transport device.
  • An orientation of the spinner wheels in different directions into the interior of the blasting chamber basically means an arrangement of the blasting wheels in which the blasting material accelerated by one of the blasting wheels has no completely parallel flight paths or motion vectors with respect to the blasting material accelerated by another blasting wheel.
  • one direction into the interior of the blasting chamber is not necessarily an alignment with a Strahlshuffenddling, but a general orientation understood in any area of the blasting chamber.
  • all of the spinner wheels are preferably aligned in such a way that a trajectory of an abrasive particle accelerated by the spinner wheel crosses a transport path on which the transport of the metal component takes place.
  • At least two spinner wheels are arranged on opposite sides of the blasting chamber and / or configured such that ceramic particles can be used as blasting material.
  • the arrangement of a plurality of centrifugal wheels makes it possible in an advantageous manner an all-round treatment of the metal component with blasting in the blasting chamber, more preferably at least two blast wheels are arranged on opposite sides of the blasting chamber and most preferably each at different heights with respect to each other. Also very particularly preferred are several spinner wheels at different angles with respect to the direction in which the metal component passes through the blasting chamber by means of the transport device.
  • the blasting chamber made of hardened steel, in particular of manganese steel, formed and preferably has a wall thickness between 5 mm and 10 mm, more preferably 6 mm to 8 mm, which in a simple way rapid wear of the blasting chamber is prevented ,
  • a region of the blasting chamber lying opposite a blast wheel has an increased wall thickness, which is preferably achieved by arranging an additional metal plate on the blasting chamber, which particularly preferably consists of the same material as the blasting chamber and very particularly preferably a material thickness of at least 5 mm.
  • an inlet and / or outlet lock are arranged on the blasting chamber, which are preferably at least half as long as the blasting chamber and particularly preferably in the interior flexible structures, such as bristles or lamellae, comprising a transport of a metal component allow the sluices and thereby prevent a blasting out of blasting in a simple manner.
  • an arrangement of bristles, lamellae or other mechanical stripping and / or cleaning elements additionally ensures a first removal of the metal component adhering blasting material particles or other residues of the blasting process and thereby advantageously facilitates a subsequent cleaning process for the complete removal of blasting residues on the surface of the metal component.
  • each blast wheel is operated by a separate motor, preferably an electric motor.
  • each motor can be regulated separately, whereby an individual control of beam intensity and Strahlgutieri is possible.
  • a device for conveying for reuse of the used blasting material, which preferably comprises at least one screw conveyor and / or at least one bucket elevator, and particularly preferably the blasting material used before being reused in a cleaning device, in particular an air classifier is, which in a simple manner, a recovery of the used blasting material is possible and thus a cost-efficient and continuous operation is possible.
  • At least one metering slide is preferred in each case at least one metering slide per blast wheel for Strahlgutmengenregul ist provided.
  • the transport device for transporting the metal component to be irradiated has a rail, which preferably extends outside and above the blasting chamber, and the metal component is guided by means of a holding device arranged on the rail, wherein it is most preferably a chain-bound one Continuous monorail.
  • the transport device is also used in the preceding processing steps of the metal component to be treated, whereby a continuous operation is possible in a particularly simple manner and storage of the metal components between production or assembly and the subsequent surface compaction and cleaning is not necessary.
  • the holding device is guided by a slot in the blasting chamber projecting into this on the outside of the blasting chamber arranged rail, wherein a escape of blasting material is prevented by the slot by means of a sealing device.
  • At least a part of the holding device, in particular the part holding the metal component can be rotated while passing through the blasting chamber, wherein the rotation preferably takes place by means of a arranged outside the blasting chamber on the holding device gear, which particularly preferably with a toothed rail arranged above the blasting chamber cooperates.
  • the sealing device strip brushes and / or lamellae, wherein preferably a sealing portion with strip brushes and another sealing portion with lamellae are arranged one above the other at the slot and particularly preferably in addition to the holding device in a the interior of the blasting chamber passing through area a deflector is arranged, which particularly efficiently prevents the escape of accelerated blasting material through the slot from the device.
  • At least one cleaning device for the mechanical removal of jet particles from the metal component for example by brushing or by means of a water or gas jet, and / or a cleaning device for removing jet particles by means of an ultrasonic device, in particular an ultrasonic bath
  • an ultrasonic device for example an ultrasonic bath
  • immersion cleaning in an ultrasound bath in an alkaline aqueous cleaning solution which preferably contains further chemical constituents in addition to a dip degreasing cleaner, the treatment very particularly preferably at an elevated temperature above 50 ° C. with a treatment time between 1 and 2 Minutes.
  • FIG. 1 illustrated embodiment of a device 1 for surface compaction and cleaning of a metal component, in particular of welding residues comprises a blasting chamber 2 made of a manganese steel with a wall thickness of 8 mm at the four, supplied by feeding devices 3 with ceramic particles as blasting material blast wheels 4 are arranged, all blast wheels 4th are aligned at the blasting chamber 2 relative to each other in different directions into the blasting chamber interior.
  • the transport of the metal component to be blasted by the device 1 for surface compacting and cleaning takes place by means of a chain-linked continuous monorail conveyor 5.
  • a collecting funnel 9 is arranged by means of which the blasting material used on a screw conveyor 10, which runs at the lowest point of the collecting funnel 9 along the transport direction of the chain-linked continuous monorail 5, is passed.
  • the chain-linked continuous overhead conveyor 5 in this case has a transport rail 17 arranged above and outside the blasting chamber 2 (cf. Fig. 2 ).
  • a holding device 12 On the transport rail 17, a holding device 12 is guided by means of a transportation chain 19 arranged under the transport rail 17 via two transport wheels 18 per side of the transport rail 17.
  • the holding device 12 In the lower area, the holding device 12 has a hook on which the metal component to be treated can be fastened.
  • Both the locks 6, 7 and the blasting chamber 2 have a slot 15 which runs parallel below the transport rail 17, so that the transported to the transport rail 17 on the transport wheels 18 holding device 12 through the slot 15 into the interior of the locks 6, 7th and the blasting chamber 2 can be guided projecting.
  • the holding device 12 has a deflector plate 16 which conceals the region of the slot 15 in the immediate vicinity of the holding device 12.
  • the lower portion of the holding device 12 is opposite to the upper portion of the transport rail 17 is guided rotatably, wherein the rotation takes place by means of a arranged outside of the blasting chamber 2 on the holding device 12 gear 13 which cooperates with a above the blasting chamber 2, stationary tooth rail 14.
  • the gear 13 is guided in engagement with the toothed rail 14 along this along the transport rail 17 and thus causes a rotation of the lower portion of the holding device 12th
  • the used blasting material is conveyed by means of the screw conveyor 10 in the direction of an orthogonal to the transport direction of the chain-linked continuous monorail conveyor 5 bucket elevator 20 and moved by this to a above the blasting chamber 2 arranged air classifier 21, wherein the blasting material is cleaned. Before there, it is guided via the feeding device 3 in the direction of the centrifugal wheels 4 arranged underneath.
  • a metering slide 11 is arranged by means of which the blast wheel 4 supplied Strahlgutmenge is controlled.
  • the blasting of the blasting material takes place by means of the blast wheels 4 arranged on the wall of the blast chamber 2.
  • Each blast wheel 4 in this case has a base plate accelerated by an electric drive motor 23, on which blasting blades 22 are arranged (cf. Fig. 3 ).
  • the throwing blades are made of hardened steel and attached individually interchangeable with the blast wheel 4.
  • the feed of blasting material to the blast wheel 4 takes place via a feed region 24 located in the center of the blast wheel 4.
  • a housing 25 is provided, which allows a maximum ejection of blasting material in a limited angular range of about 60 °.
  • the device 1 for surface compaction and cleaning of a metal component, in particular welding residues allows the implementation of a method in which first the metal component by means of the chain-linked continuous monorail 5 of the blasting chamber 2 is fed and then the metal component with a Blasting material of ceramic particles in the interior of the blasting chamber 2 is treated substantially on all sides and the entire surface, this being supported in particular by a rotation of the metal component.
  • Ansch manend takes place removal of Strahlgutpenien of the metal component. This is done in particular by immersion cleaning for 90 seconds in an ultrasonic bath with a power of 2 W / l at a temperature of 55 ° C, wherein the aqueous solution of the ultrasonic bath has a pH of 10.2 and Tauchentfettungs cleaner in one concentration of 21.5 g / l and other chemical ingredients and / or auxiliaries for cleaning.
  • a propellant flow-free acceleration of the blasting material by means of the blast wheels 4 thereby enables a particularly uniform and precisely controllable treatment of the surface of the metal component.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning In General (AREA)
EP20120185393 2012-09-21 2012-09-21 Dispositif d'épaississement d'une surface et nettoyage d'un composant métallique Active EP2623263B1 (fr)

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CN112318379A (zh) * 2020-09-27 2021-02-05 山西太钢工程技术有限公司 用于热轧板的表面处理设备及表面处理方法
CN114082705A (zh) * 2021-11-16 2022-02-25 宁波江丰电子材料股份有限公司 一种高纯锰的表面清理方法
CN115026043A (zh) * 2022-07-12 2022-09-09 苏州晶洲装备科技有限公司 一种金属基材的清洗方法与系统装置
CN115383269A (zh) * 2022-10-13 2022-11-25 王永明 一种具有强化防溅功能和收集导向功能一体化的等离子弧焊机

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CN112318379A (zh) * 2020-09-27 2021-02-05 山西太钢工程技术有限公司 用于热轧板的表面处理设备及表面处理方法
CN114082705A (zh) * 2021-11-16 2022-02-25 宁波江丰电子材料股份有限公司 一种高纯锰的表面清理方法
CN115026043A (zh) * 2022-07-12 2022-09-09 苏州晶洲装备科技有限公司 一种金属基材的清洗方法与系统装置
CN115383269A (zh) * 2022-10-13 2022-11-25 王永明 一种具有强化防溅功能和收集导向功能一体化的等离子弧焊机

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