EP3678803A1 - Procédé de fabrication d'une pièce coulée - Google Patents

Procédé de fabrication d'une pièce coulée

Info

Publication number
EP3678803A1
EP3678803A1 EP18785245.4A EP18785245A EP3678803A1 EP 3678803 A1 EP3678803 A1 EP 3678803A1 EP 18785245 A EP18785245 A EP 18785245A EP 3678803 A1 EP3678803 A1 EP 3678803A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
energy transfer
transfer surface
mold
mandrel
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
EP18785245.4A
Other languages
German (de)
English (en)
Other versions
EP3678803B1 (fr
Inventor
Alois Boindecker
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.)
Fill GmbH
Original Assignee
Fill 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 Fill GmbH filed Critical Fill GmbH
Publication of EP3678803A1 publication Critical patent/EP3678803A1/fr
Application granted granted Critical
Publication of EP3678803B1 publication Critical patent/EP3678803B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B22D29/001—Removing cores
    • B22D29/005—Removing cores by vibrating or hammering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
    • B22D31/002—Cleaning, working on castings

Definitions

  • the invention relates to a method for producing a cast workpiece.
  • molten metal for example an aluminum melt
  • molten metal is understood in this document not only liquid, but also thixotropic molten metal.
  • the workpiece is removed from the mold and a mold core located in the workpiece is shattered.
  • it is common to cool the workpieces to a temperature of about 80 ° C before they are gutted. The coring takes place at a relatively low temperature, since at this time the microstructure of the workpiece is substantially no longer subject to changes.
  • the present invention has for its object to provide a method in which the economy in the production of cast workpieces is increased and the workpiece is not damaged. This object is achieved by a method according to the claims.
  • a method for producing a cast workpiece comprising the following method steps:
  • a hammer head is applied to a fixed energy transfer surface of the workpiece and acted on the energy transfer surface by means of the hammer head, in particular hammered.
  • the method according to the invention brings with it the surprising advantage that the smashing of the mold core can take place at an elevated process temperature and thus the process can be further optimized.
  • Form core is created, fixed in advance.
  • the energy transfer surface may be formed such that it has a higher strength than the other surfaces or that any deformations on the energy transfer surface in subsequent processing steps can be removed again.
  • Which surface of the workpiece serves as an energy transfer surface can already be determined during the construction of the workpiece or during the simulation of the casting process.
  • an area of the workpiece serves as the energy transfer surface, which steps in subsequent manufacturing, especially machined, machined.
  • the advantage here is that any damage or plastic deformation of the energy transfer surface, which are introduced during the process of smashing them in subsequent process steps can be removed again.
  • a surface of the workpiece, which at the time of smashing of the mold core has the greatest heatfestig- speed. The advantage here is that by this measure the deformations of Workpiece can be kept as low as possible during the process of smashing the mandrel.
  • a surface of the workpiece serves as the energy transfer surface, which was arranged on a lower side of the workpiece during the casting process, in particular during the gravity casting process, in the region of a lower part of the casting mold, in particular with respect to the casting layer.
  • the energy transfer surface is where the melt is the first to settle.
  • the workpiece is turned by 180 ° after removal from the mold, so that the energy transfer surface is located at the top of the workpiece and the workpiece at a support side opposite to the energy transfer surface on a support table rests.
  • the hammer head of Entkernhammers can act in the vertical direction from above on the workpiece.
  • the workpiece can be stored on the support table.
  • the workpiece is designed as a cylinder head blank for further processing into a cylinder head for an internal combustion engine, wherein an engine block connection surface of the cylinder head blank serves as the energy transmission surface.
  • an engine block connection surface of the cylinder head blank serves as the energy transmission surface.
  • coring at high temperatures is associated with great economic benefits.
  • the fixing of the engine block connection surface as an energy transmission surface has the advantage that the engine block connection surface can lie down during the casting process and can be milled off in subsequent processing steps.
  • the deformations on the engine block connection surface during the smashing of the core can be kept as low as possible. - t - the.
  • the introduced deformations can be removed again in subsequent processing steps, so that there are no more wear traces on the finished cylinder head.
  • the engine block connection surface of the cylinder head must be processed anyway in order to obtain a flat surface.
  • a further advantage of using the engine block connection surface as energy transfer surface is that it is a surface which is planar and has a large surface area. Thus, the applied force can be divided over a large area, whereby the surface pressure can be minimized.
  • the energy transmission surface is formed as a flat surface.
  • the hammer head can also have a flat surface and thus can rest over the entire surface of the energy transfer surface of the workpiece.
  • a surface area of an impact surface of the hammer head or the load-distribution plate, which rests on the energy transfer surface during smashing of the mold core between 150% and 10%, in particular between 110% and 50%, preferably between 100% and 80% Area of the energy transfer surface is.
  • the advantage here is that by this surface dimensioning the lowest possible surface pressure can be achieved.
  • the workpiece is removed from the casting mold at a surface temperature of the energy transfer surface between 440 ° Celsius and 360 ° Celsius.
  • the advantage here is that the workpiece at this temperature already has sufficient strength to be manipulated.
  • the workpiece further cools during the feeding of the workpiece to a hammer head for shattering the mold core to the environment until the energy transfer surface has a surface temperature between 300 ° Celsius and 400 ° Celsius.
  • a workpiece which has a temperature in the specified range at the energy transmission surface already has sufficient strength to be able to act on the energy transmission surface by means of the hammer head.
  • the smashing of the mandrel takes place by means of the hammer head at a surface temperature of the energy transfer surface between 300 ° Celsius and 400 ° Celsius, wherein at least external parts of the mandrel are smashed.
  • the hammer head between 1 second and 20 seconds acts hitting the workpiece.
  • the workpiece is further cooled after smashing at least parts of the mold core until the energy transfer surface has a surface temperature between 100 ° Celsius and 200 ° Celsius, in particular between 150 ° Celsius and 200 ° Celsius, and then the workpiece again Hammer head for smashing the mandrel is supplied, in which case the remaining parts, in particular in the workpiece internal parts of the mandrel are smashed.
  • the advantage here is that in this process step also those parts of the mold core can be smashed, which are arranged within the workpiece.
  • the workpiece is clamped in a vibrator after the smash of the mandrel and the workpiece is rotated with simultaneous shaking about at least one horizontal axis of rotation.
  • the advantage here is that by this measure, the mold core can be further smashed and that in this process step the fragmented mold core parts can be removed from the workpiece.
  • a load distribution plate is inserted between the hammer head and the energy transmission surface.
  • the advantage here is that the surface pressure on the energy transfer surface can be kept as low as possible by the load distribution plate.
  • a cooling channel is formed, wherein the workpiece is cooled by means of the cooling channel in the region of the energy transmission surface.
  • the energy transfer surface is cooled locally after removal of the workpiece from the mold, for example by the energy transfer surface of the workpiece is immersed in a cooling liquid.
  • the energy transmission surface can have a high strength, whereby the rest of the workpiece can be kept at a high temperature level.
  • a Entkernhammer for shattering the mold core of a cast workpiece, wherein the Entkernhammer2-1 has at least one Entkernhammer with a hammer head. Furthermore, a load distribution plate is provided, which can be brought between the hammer head and the workpiece. The advantage here is that the load distribution plate can serve to initiate the workpiece no high surface pressure.
  • the load distribution plate is coupled to at least two hammer heads of two coring hammers.
  • the advantage here is that the hammer heads of the two coring hammers are coupled together by this measure.
  • the load-distribution plate is separably coupled to the hammer heads of the coring hammers.
  • the contour of the load distribution plate is adapted to the surface contour of the energy transmission surface of the workpiece.
  • the load distribution plate in the region in which it bears against the energy transfer surface of the workpiece has a flexible surface finish. This allows the load-sharing plate to adapt flexibly to the energy transfer surface of the workpiece.
  • the feeder of the workpiece has the energy transfer surface.
  • this measure may be expedient if the mold is a sand mold.
  • the mold has an insulating effect so that the workpiece can not cool down.
  • the energy transfer surface on the feeder is selected, the sand mold can be knocked off the workpiece to facilitate the cooling of the workpiece.
  • Energy transfer surface of the workpiece is exercised and this is damaged.
  • For shifting the position of the energy transfer surface occurs in particular when the workpiece is placed on the support table such that an outer mold core, which smashed, rests on the support table.
  • the smashing of the outer mold core causes the position of the workpiece to shift.
  • the Entkernhammer is designed as a hydraulic hammer.
  • the advantage here is that a hydraulic hammer can be controlled so that the hammer head is constantly applied to the energy transfer surface of the workpiece, and it does not come to a hitting the workpiece.
  • the hammer head is constantly pressed against the energy transmission surface of the workpiece during the shattering of the former with a contact pressure of between 100 N and 2 000 N, in particular between 200 N and 700 N.
  • the workpiece is designed as a hollow-cylindrical electric motor housing blank for further processing into an electric motor housing, wherein an end face of the hollow-cylindrical electric motor housing blank is used as energy transfer surface.
  • the advantage here is that the end face of the hollow cylindrical Elektromo- torenge Reifenohlings is subsequently reworked mechanically.
  • the end face can have a comparatively high strength, since it can solidify earlier.
  • the mold core is preferably a structure which is formed from sand and, after its removal from the workpiece, cavities or recesses can be formed in the workpiece.
  • the sand of the mold core is replaced by a binder its dimensional stability.
  • the mold core can consist of several parts which can be connected to one another or which can be arranged independently of one another at different locations in the mold. Furthermore, it can be provided that the mandrel is also partially disposed on the outside of the workpiece, or that the mandrel protrudes partially beyond the workpiece. Such an outer mold core can be arranged for example in the region of the feeder or the sprue.
  • the process step "smashing of the mold core” is understood as meaning a process step in which the mold core breaks at least partially.This method step does not involve the removal of the mold core from the workpiece.
  • a cylinder head blank is a cast workpiece from which mechanical machining, such as milling, produces a cylinder head for an internal combustion engine.
  • the finished cylinder head is placed on an engine block of the internal combustion engine.
  • the cylinder head therefore has an engine block connection surface, which in the installed state optionally bears against the cylinder block with the cylinder head gasket being interposed. That surface which serves as a raw surface for the engine block connection surface of the cylinder head on the cylinder head blank is referred to as the engine block connection surface of the cylinder head blank.
  • the cylinder head blank thus by definition also has an engine block connection surface, which first has to be machined in order to actually be brought into contact with the engine block.
  • the casting position of the workpiece is understood to mean that spatial orientation or position in which the workpiece lies, as long as it is received in the casting mold. This applies to gravity casting processes in which the casting mold is not moved.
  • Kippg tellmaschine or Rotationsg screenvon is understood as a casting position the final position of the mold.
  • Figure 2 is a schematic representation of a cast workpiece with Entkernhammer and Lastaufannonsplatte.
  • Fig. 3 is a schematic representation of a cylinder head blank and a cylinder head
  • 4 shows a cylinder head blank in a coring apparatus
  • 5 is a flowchart of another embodiment of the method for manufacturing a cast workpiece
  • Fig. 6 shows another embodiment of a workpiece, which is designed as a housing for an electric motor.
  • a molten metal 2 is introduced into a casting mold 3, for example a mold.
  • the mold 3 is formed in the illustrated embodiment as a two-part mold 3 with a lower part 4 and an upper part 5, which are releasably connected to each other.
  • the mold 3 may also have more than two parts.
  • a cooling channel 15 is formed, in which a cooling liquid is guided.
  • the workpiece 1 can already be cooled in the casting mold 3 in order to accelerate the solidification process.
  • the cooling channel 15 is formed at least in that region of the casting mold 3 in which an energy transmission surface 12 is to be provided on the workpiece 1.
  • a mold core 7 is inserted, which defines a mold cavity 6 together with the inner walls of the lower part 4 and the upper part 5.
  • the molten metal 2 which is particularly preferably an aluminum melt introduced.
  • all known casting methods can be used as the method for introducing the molten metal.
  • the process steps according to the invention have proven in gravity die casting.
  • the lower part 4 and the upper part 5 are moved apart and then the hot workpiece 1 are removed from the mold 3.
  • undercut or complex workpieces 1 can also be provided that the mold 3 consists of several parts.
  • the mandrel 7 is still in a cavity of the workpiece 1, or the mandrel 7 may be disposed on an outer surface of the workpiece 1, or extend to an outer surface of the workpiece.
  • the hot workpiece 1 is removed at a surface temperature of the mold 3, which is above 150 ° C.
  • a surface temperature when removing the workpiece 1 from the casting mold 3 can be more than 300 ° C., in particular between 360 ° and 440 ° C.
  • the removal of the workpiece 1 from the mold 3 can be done for example by means of an automated gripping unit 8.
  • the hot, removed from the mold 3 workpiece 1 can optionally be cooled in a further step to a surface temperature, which is dependent on the withdrawal temperature between 150 and 400 ° C.
  • a mist 9 of water droplets can be used for cooling the workpiece 1.
  • the water droplets evaporate here as soon as they strike a hot surface of the workpiece 1. Since the workpiece 1 is cooled in this step to a temperature which is well above the evaporation temperature of water, it is ensured that no water droplets can penetrate into the mandrel 7.
  • the workpiece 1 can also be immersed in a dip bath for cooling.
  • temperatures given in this document refer to surface temperatures of the workpiece 1.
  • a determination of the surface temperature of the workpiece 1 in the mold for example, by means of mounted in or on the mold 3 temperature sensor and outside of the mold 3 can also be done without contact by means of infrared sensors.
  • the surface temperature of the workpiece 1 can also be calculated as a mathematical model and calculated over the time sequence. The optional additional cooling of the workpiece 1 outside of the mold 3 takes place only until it has reached the desired temperature in a range between 300 ° and 400 ° C.
  • the mold core 7 can be smashed.
  • a hammer head 10 of a decoring hammer 11 is applied to an energy transfer surface 12 of the workpiece 1.
  • an impact surface 14 of the hammer head 10 bears against the energy transmission surface 12 of the workpiece 1.
  • the strength of the workpiece 1 is not yet fully achieved at this time.
  • To the Energy transfer surface 12 of the workpiece 1 are therefore made special requirements.
  • a surface of the workpiece 1, which has a lower surface temperature than the remaining surfaces of the workpiece 1, serves as energy transfer surface 12.
  • the energy transmission surface 12 may have a higher strength than the remaining surfaces of the workpiece 1.
  • the lower temperature of the energy transfer surface 12 can be achieved, for example, by arranging the energy transfer surface 12 in a casting position on a lower side 19 of the workpiece 1. This is due to the fact that, by gravity, the molten metal 2 impinges first on the bottom of the casting mold 3 and is less strongly heated by the new cast-in molten metal 2 in conventional casting processes in which the molten metal 2 is poured from above into the casting mold. This area can thus be the first to cool down and form the energy transmission surface 12. Furthermore, it can be provided that, in order to smash the mold core 7, the workpiece 1 is turned upside down in comparison to the casting layer so that the workpiece 1 rests on the support table 21 with a support side 20. The support side 20 is formed here opposite the energy transfer surface 12.
  • the workpiece 1 may be tensioned in a vibrating device 13 and to be vibrated, wherein the mold core 7 is finally smashed and removed from the workpiece 1. It can be provided that the workpiece 1 is rotated in the vibrator 13 with simultaneous shaking about at least one horizontal axis of rotation 16. As a result, the broken individual parts of the mold core 7 can be shaken out of the workpiece 1. In other words, the workpiece 1 is gutted by this measure.
  • the treatment of the workpiece 1 by means of the Entkernhammer 11 may be upstream of the treatment of the workpiece 1 by means of the vibrator 13, wherein by means of the Entkernhammer 11 of the mandrel 7 can be broken initially and can be broken by means of the vibrator 13 into small pieces, which also in the Haittelvoriques 13 can be conveyed out of the workpiece 1.
  • a temperature has been found that corresponds to a deviation of +/- 30% of a temperature at which a precipitation hardening of a material of the workpiece 1 begins.
  • a cutting tool 22 for example a milling cutter, can be used to remove a layer of the energy transfer surface 12 and thus to produce a functional surface.
  • a load distribution plate 23 is inserted, by means of which the force applied by the hammer head 10 can be applied uniformly to the energy transfer surface 12.
  • FIG. 3 shows a schematic representation of a cylinder head blank 24 and a cylinder head 25, which is manufactured by machining from the cylinder head blank 24.
  • an engine block connection surface 26 of the cylinder head blank 24 is visible.
  • the engine block connection surface 26 faces the engine block of the internal combustion engine and lies in particular on the engine block of the internal combustion engine.
  • the decoring hammer carrier 27 can serve in particular for receiving or for the automated movement of one or more decoring hammer 11.
  • the Entkernpurmmer 11 are arranged on an upper slide 28 which is displaceable in the vertical direction, whereby the Entkernrhythmmmer 11 can be applied to the cylinder head blank 24.
  • the Entkernhammerussi 27 has a support table 21, on which the cylinder head blank 24 is placed.
  • a buffer member 29 is arranged, which is arranged between the cylinder head blank 24 and the support table 21.
  • the buffer element 29 can, as shown, be strip-shaped.
  • the buffer member 29 may also be formed flat, wherein recesses may be provided in the buffer member 29, which are permeable to the broken mandrel 7.
  • the load-dividing plate 23 may be brought between the hammer head 10 and the workpiece 1 in order to reduce the surface pressure on the workpiece 1.
  • the load distribution plate 23 is coupled with two hammer heads 10 of two coring hammers 11.
  • several Entkernpurer 11 may be provided, with which the load distribution plate 23 is coupled.
  • the coupling of the load distribution plate 23 with the hammer heads 10 of the coring hammers 11 can be done for example via a releasable coupling.
  • the engine block connection surface 26 of the cylinder head blank 24 serves as the energy transfer surface 12.
  • the cylinder head blank 24 may be arranged in the casting mold 3 in such a way that the engine block connection surface 26 is arranged in casting position on the underside 19 of the cylinder head blank 24.
  • FIG. 5 shows a flow chart of another possible method sequence for producing a cast workpiece 1. As can be seen from FIG. 5, provision can be made for the workpiece 1 to be cast after preparation of the casting mold 3.
  • the workpiece 1 can be removed in particular from the casting mold 3 by means of the gripping unit 8.
  • the removal from the casting mold 3 can take place as soon as the workpiece 1 at the energy transfer surface 12 has a surface temperature in the range of
  • 430 ° C has. During the manipulation of the workpiece 1, this further cools, so that the surface temperature at the energy transfer surface 12 at the end of the handling process in about 400 ° C or less. At this surface temperature of below 400 ° C, in particular below 360 ° C, the hammer head 10 of the decoring hammer 11 can be applied to the energy transfer surface 12 and hammered onto it. After a period of 1 to 20 seconds, breaking at least the outer parts of the mandrel 7, so that the surface of the workpiece 1 is exposed and the workpiece 1 can now cool faster.
  • the workpiece 1, in particular the energy transfer surface 12 of the workpiece 1 are immersed in a dip to quench them and continue to cool.
  • the workpiece 1 can be stored in a cooling rack until the surface temperature of the energy transfer surface 12 of the workpiece 1 is between 150 ° C and 200 ° C.
  • the workpiece 1 can again be applied to the hammer head 10 of a decoring hammer 11 to the energy transfer surface to smash the remaining parts of the mandrel 7.
  • the workpiece 1 can be clamped in the vibrator 13, to further shatter the mandrel 7 and thereby remove it from the workpiece 1.
  • the workpiece 1 can optionally be further cooled and mechanically processed.
  • Fig. 6 shows a further embodiment of a workpiece 1, which is formed as a hollow cylindrical Elektromotorenge Reifenohling 30 for further processing to an electric motor housing for an electric motor.
  • the energy transfer surface 12 is formed on an end face 31 of the hollow cylindrical Elektromotorenge Reifenohlings 30.
  • the mold core 7 is partially formed as an external core.
  • the mandrel 7 may form the cavity of the ElektromotorengeNeillohlings 30.
  • an inner mold core 7 is formed, which serves to form cooling water channels in the electric motor housing.
  • the electric motor housing blank 30 is designed as a substantially rotationally symmetrical hollow body.
  • the end face 31 of the hollow cylindrical Elektromotorenge Reifenohlings 30 is mechanically processed in a further step.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Arc Welding In General (AREA)
  • Golf Clubs (AREA)

Abstract

L'invention concerne un procédé de fabrication d'une pièce coulée (1), le procédé comprenant les étapes de procédé suivantes : - la fourniture d'un moule (3) comprenant au moins un noyau de moule (7) disposé dans le moule (3) ; - l'introduction d'un métal en fusion (2) dans le moule (3) ; - l'attente durant une période permettant au moins la solidification du contour externe du métal en fusion (2) et que la pièce (1) soit formée à partir du métal en fusion (2) ; - l'enlèvement de la pièce (1) du moule (3) ; - la désintégration du noyau de moule (7), cette étape de procédé étant exécutée avant que la pièce (1) du procédé de moulage soit complètement refroidie. Pour la désintégration du noyau de moule (7), une tête de marteau (10) est placée sur une surface de transfert d'énergie (12) définie de la pièce et on exerce une action, en particulier un coup, sur la surface de transfert d'énergie (12) au moyen de la tête de marteau (10).
EP18785245.4A 2017-09-07 2018-09-04 Procédé de fabrication d'une pièce coulée Active EP3678803B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50752/2017A AT520370B1 (de) 2017-09-07 2017-09-07 Verfahren zur Herstellung eines gegossenen Werkstückes
PCT/AT2018/060198 WO2019046874A1 (fr) 2017-09-07 2018-09-04 Procédé de fabrication d'une pièce coulée

Publications (2)

Publication Number Publication Date
EP3678803A1 true EP3678803A1 (fr) 2020-07-15
EP3678803B1 EP3678803B1 (fr) 2021-07-28

Family

ID=63832156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18785245.4A Active EP3678803B1 (fr) 2017-09-07 2018-09-04 Procédé de fabrication d'une pièce coulée

Country Status (8)

Country Link
US (1) US11167344B2 (fr)
EP (1) EP3678803B1 (fr)
CN (1) CN111201097A (fr)
AT (1) AT520370B1 (fr)
BR (1) BR112020004618A2 (fr)
MX (1) MX2020002535A (fr)
RU (1) RU2020112294A (fr)
WO (1) WO2019046874A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115365480A (zh) * 2022-09-14 2022-11-22 江苏天宏机械工业有限公司 一种铝合金铸件自动化后处理设备及方法

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US4643243A (en) * 1985-08-05 1987-02-17 Seaton-Ssk Engineering Co., Inc. Machine for impact cleaning casting
CH669343A5 (fr) * 1985-12-19 1989-03-15 Werner Lueber
DE3728687A1 (de) * 1987-08-27 1989-03-09 Froelich & Kluepfel Druckluft Verfahren und vorrichtung zum entkernen von gussstuecken
JP3236998B2 (ja) * 1999-04-17 2001-12-10 好高 青山 鋳物の砂落し装置
JP2902641B1 (ja) * 1998-07-14 1999-06-07 菱栄エンジニアリング株式会社 鋳砂除去装置
TW200533436A (en) 2004-02-25 2005-10-16 Sintokogio Ltd Process for producing cast item
EP1768801A2 (fr) * 2004-06-28 2007-04-04 Consolidated Engineering Company, Inc. Procede et appareil d'elimination des barbes et des elements de blocage d'un moulage
FR2954196B1 (fr) * 2009-12-21 2012-01-20 Essilor Int Procede d'usinage pour tournage d'une face d'un verre de lunettes
FR2954195A1 (fr) * 2009-12-23 2011-06-24 Fonderie Du Poitou Aluminium Procede de decrochage par martelage utilisant un accelerometre
JP5641408B2 (ja) * 2010-07-23 2014-12-17 株式会社ヨーマー 振動打撃式砂落し機及び多連設置式振動打撃式砂落し機
DE102010054496B4 (de) * 2010-12-14 2020-06-18 Volkswagen Ag Durch Gießen hergestelltes Elektromotorgehäuseteil für einen Elektromotor
CN203495196U (zh) * 2013-10-09 2014-03-26 浙江瑞庆汽车零部件有限公司 汽缸盖毛坯落砂设备
DE102014221897B4 (de) * 2014-10-28 2023-03-02 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zur Überwachung einer impulsbasierten Ausbringung von Kernstrukturen aus zumindest einem Gussteil
AT517384A1 (de) * 2015-06-15 2017-01-15 Fill Gmbh Verfahren zur Herstellung eines gegossenen Werkstückes
WO2017208065A1 (fr) * 2016-05-30 2017-12-07 Nemak, S.A.B. De C.V. Procédé de dénoyautage de pièces coulées

Also Published As

Publication number Publication date
WO2019046874A1 (fr) 2019-03-14
US11167344B2 (en) 2021-11-09
MX2020002535A (es) 2020-07-20
AT520370A1 (de) 2019-03-15
BR112020004618A2 (pt) 2020-09-24
CN111201097A (zh) 2020-05-26
AT520370B1 (de) 2020-08-15
US20210129215A1 (en) 2021-05-06
EP3678803B1 (fr) 2021-07-28
RU2020112294A (ru) 2021-10-08

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