EP2060346A2 - Outil d'étanchéité, dispositif de compactage comprenant cet outil et procédé pour la compactage d'une pièce frittée ou de poudres - Google Patents

Outil d'étanchéité, dispositif de compactage comprenant cet outil et procédé pour la compactage d'une pièce frittée ou de poudres Download PDF

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Publication number
EP2060346A2
EP2060346A2 EP08005614A EP08005614A EP2060346A2 EP 2060346 A2 EP2060346 A2 EP 2060346A2 EP 08005614 A EP08005614 A EP 08005614A EP 08005614 A EP08005614 A EP 08005614A EP 2060346 A2 EP2060346 A2 EP 2060346A2
Authority
EP
European Patent Office
Prior art keywords
tool
compression element
sintered component
compression
clamping element
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
EP08005614A
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German (de)
English (en)
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EP2060346A3 (fr
EP2060346B1 (fr
Inventor
Johannes Hartner
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.)
Miba Sinter Austria GmbH
Original Assignee
Miba Sinter Austria GmbH
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Filing date
Publication date
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Publication of EP2060346A2 publication Critical patent/EP2060346A2/fr
Publication of EP2060346A3 publication Critical patent/EP2060346A3/fr
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Publication of EP2060346B1 publication Critical patent/EP2060346B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F3/03—Press-moulding apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B22F3/162—Machining, working after consolidation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/007—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a plurality of pressing members working in different directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/026—Mounting of dies, platens or press rams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F3/03—Press-moulding apparatus therefor
    • B22F2003/031—Press-moulding apparatus therefor with punches moving in different directions in different planes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Definitions

  • the invention relates to a tool for compacting a sintered component or a powder for the sintered component, a compacting device for compacting a sintered component or a powder for the sintered component, comprising at least one press element for applying the compacting pressure and a tool for compacting the sintered component into which the sintered component is insertable and which is arranged between an upper punch and a lower punch, a method for compacting a powder into a sintered component in a tool, after which the powder is filled into the tool and pressed into it, and a method for compacting a sintered component with a tool a pressing device, after which the sintered component is inserted into the tool and pressed in this.
  • sintered components in particular sintered gears - in the context of the invention is understood by a gear both a gear per se and a toothed belt or a sprocket - is now usually such that from a powder, such as a metal powder or a powder of an alloy .
  • a powder such as a metal powder or a powder of an alloy
  • this is optionally pre-sintered, further increased to increase the density in near-surface layers of the green compact and optionally to increase the dimensional accuracy of the sintered component of this calibration is supplied, which is also carried out under pressure , the green body is then sintered and optionally after sintering of a further calibration is supplied.
  • the object of the present invention is to be able to produce sintered components, in particular sintered gears or sintered components with teeth, more cost-effectively.
  • the aforementioned tool which has a clamping element and a radially variable with respect to its dimensions compression element with a contact surface for the sintered component or the powder, which is formed with a surface complementary to the sintered component to be produced in the system area surface wherein the tensioning element has an inclined first surface and the compression element has a complementary oblique second surface and the first and second inclined surfaces cooperate to spread or widen or narrow the compression element and wherein the tensioning element is displaceable in the axial direction, and which optionally has a support element, independently thereof by the above-mentioned pressing device, in which the tool is designed according to the invention, and by the method for compacting a powder to a sintered component or by the method for compacting a sintered component, wherein a tool is used formed according to the invention and the Kontor of the sintered component before or after the filling of the powder by spreading or widening or reduction of the compression element on the at least one first and at least one second inclined surface by moving at least a portion of the
  • At or in the clamping element can be arranged at least one guide element which has an external thread which engages in an internal thread of the clamping element. It is thus possible in a simple and very accurate way to adjust the bias of the compression element.
  • the clamping element may comprise at least one first clamping element part and at least one second clamping element part, which are arranged one above the other in the axial direction, wherein the second clamping element part has a further oblique surface inclined in opposite directions to the first inclined surface and the compression element, the second inclined surface and another inclined thereto in opposite directions having inclined surface, wherein the first inclined surface of the clamping element with the second inclined surface of the compression element and the further inclined surface of the clamping element cooperate with the further inclined surface of the compression element.
  • the compression element it is thus possible to form the compression element as a double cone element.
  • At least one spring element can be arranged between the first clamping element part and the second clamping element part, that is, for example, a spring or in particular, according to an embodiment variant of the invention, a bellows, in particular made of an elastomer. It can thus be ensured, in addition to the guide element, that the two clamping element parts are at least approximately the same distance from each other over their entire circumference, even when pressurizing in the press, whereby tilting or tilting of the compression element can be better avoided and the density or the density profile in the sintered component can be made uniform.
  • the first clamping element part may be formed by a cone element with an outer cone and the second clamping element part by at least one wedge disk with an inner cone, wherein the compression element has an inner cone for engagement with the outer cone of the cone element and an outer cone for engagement with the wedge or disc (s) , whereby with a simple, not maintenance-intensive tool also interior deposits, eg Internal gears, can be produced.
  • the compression element can be arranged in this at least one keyway.
  • slit-shaped free-ends extending in the radial direction are arranged which optionally have a bore or recess in the axial direction on at least one of their ends having a larger diameter than a width of the slot-shaped exemptions.
  • the compacting element can have teeth on its contact surface for the sintered component or the powder with tooth heads and tooth bases arranged therebetween, which is complementary to a toothing of the sintered component.
  • the slot-shaped exemptions of one of the teeth of the compression element in the radial direction opposite boundary surface of the compression element are arranged extending into a region of the tooth tip circle and / ormont Vietnamesees the teeth of the compression element or is it possible according to another embodiment, that the slot-shaped exemptions in the region of the tooth tip circle of the compression element in the radial direction, starting from the boundary surface of the compression element opposite the toothing of the compression element in the radial direction, extend at most only into the region of the root circle.
  • the accuracy of the adjustment of the inner diameter or the inner dimensions of the compression element, which are of importance for the sintered component to be produced can accordingly be made correspondingly fine or the variability of the adjustment possibilities can be increased.
  • a depth of the slot-shaped exemptions in the axial direction, extending radially into the Extending portion of the Zahnfußschies, may be selected from a range up to an upper limit of 10% of an overall height of the compression element in the axial direction. It is achieved, inter alia, a better adjustability of the tip diameter of the gear to be produced or a better adjustability of the tooth geometry.
  • These slot-shaped exemptions need not extend into the lateral lateral surface of the compression element.
  • At least some of the slot-shaped exemptions may have on their surface, at least in some areas, a non-stick coating, which may preferably be provided by a gumming or by a lubricant, such as e.g. a calibration oil, polytetrafluoroethylene, etc. is formed. It can be at least largely prevented that sintering powder can penetrate into the open, slot-shaped exemptions due to the pressing pressure or should this occur that the removal of this powder from the exemptions, for example with compressed air or by rinsing, e.g. with a flushing medium, can be facilitated.
  • a non-stick coating which may preferably be provided by a gumming or by a lubricant, such as e.g. a calibration oil, polytetrafluoroethylene, etc. is formed. It can be at least largely prevented that sintering powder can penetrate into the open, slot-shaped exemptions due to the pressing pressure or should this occur that the removal of this powder from the exemptions, for example with
  • an insert element e.g. a sleeve which optionally forms the toothing.
  • this insert element can be provided with a non-stick coating.
  • At least one recess for arranging a tool insert for the production of undercuts on the sintered component can be arranged in the insert element and / or the compression element. This increases the variability with regard to different geometries of sintered components which can be produced.
  • the tooth tips of the toothing of the compression element may be formed with a recess or depression in order to have a buffer volume available for the outflow of the material during pressing and thus to avoid tooth growth.
  • a recess or depression in order to have a buffer volume available for the outflow of the material during pressing and thus to avoid tooth growth.
  • the compression element is formed from individual lamellae or segments arranged side by side, which on the one hand makes it possible to construct this compression element in the manner of a kit or, on the other hand, if only a single one of these lamellae or segments is running the operation of the tool according to the invention are damaged or worn, that not the entire compression element must be replaced per se, but just just individual slats or segments.
  • groove-shaped recesses e.g. in the form of a dovetail, and complementary elevations to be arranged, wherein these are arranged so that in the assembled state of the compression element, the elevation of a blade or a segment engages in the recess of another, adjacent blade arranged or adjacent segment, or ,
  • the lamellae or the segments may have recesses into which guide elements can be inserted. It is thus also simplifies the assembly of the compression element, although embodiments are possible within the scope of the invention, in which the lamellae or segments are held together by a clamp that surrounds this outside. In this case, in the slats or segments or in the clamping element, a corresponding recess for receiving this clip may be provided to allow an at least approximately full-surface concerns of the compression element on the clamping element.
  • the inclined faces of the tool may have an inclination against a normal in the axial direction, which is selected from a range with a lower limit of 10 ° and an upper limit of 30 °, whereby the force required for the compression of the sintering powder or of the sintered component can be varied. It can thus be used with a shallower slope due to the shorter path, a greater force or at a greater inclination, a correspondingly lower force can be applied. It is possible in this way to vary the pressing pressure.
  • the pressing device according to the invention a plurality of tools according to the invention are arranged successively or one above the other, so as to carry out the compression stepwise and thus to further increase the density in the sintered component to be produced, it is generally possible with the tool itself almost Full density in the sintered component itself, so not only, as is known in the prior art, in the outer regions of such sintered components to produce.
  • the approach to the full density of the sintered component can be further increased. It is thus also possible to produce or press several sintered components simultaneously via a plurality of superimposed tools.
  • sintered components starting from its outer surface on which optionally the toothing is arranged or in internal teeth on the inner surface, in the direction of the each opposite surface may have a density gradient, for example, to produce sintered components having a corresponding hardness on the tooth surface and on another surface a higher elasticity.
  • the lower punch has a wedge web, which engages in the keyway of the tool in order to automate the expansion of the compression element.
  • guide elements are arranged above and / or below the tool, in particular die plates. It is thus possible a better horizontal guidance with changes in diameter of the compression element, which may optionally be dispensed with the guide elements in the clamping element.
  • the invention relates to the use of the tool for producing a sintered component with an external toothing and / or with an internal toothing.
  • a press device 1 comprising a press element 2 for applying the compression pressure and a tool 3 for compressing at least the toothing of a sintered component or a sintered powder.
  • the press element 2 comprises a lower punch receptacle 4 with a lower punch, an upper punch receptacle 5 with an upper punch, and a tool receptacle 6.
  • the lower punch receptacle 4 and / or the upper punch receptacle 5 and / or the tool receptacle 6 are supported by columns 7, 8 and can be vertical along these be formed movable. Since such a pressing device 1 with the exception of the tool 3 is already known from the prior art, there is no need for further discussion at this point and the skilled person is referred to the relevant literature on this point.
  • Fig. 2 shows a first embodiment of the tool 3 cut in cross section.
  • This tool 3 comprises a support element 9, a clamping element 10, as well as a compression element 11.
  • the support element 9 is supported immovably by the tool holder 6.
  • the clamping element 10 has a first inclined surface 12 which cooperates with a second inclined surfaces 13 of the compression element 11, said second inclined surface 13 having a complementary to the first inclined surface 12 inclination, so that therefore the two elements, ie the compression element 11 and the clamping element 12 along these two inclined surfaces 12, 13 are adjustable relative to each other.
  • a separate support member 9 is shown, this is not necessarily required for the tool, since the support can be done for example only on the tool holder 6 or, if necessary, a separate support is not required, i. the support is provided by the tool itself.
  • the compression element 11 has an inner opening 14, which is provided on its surface 15 with a toothing 16.
  • This toothing 16 is complementary to a toothing formed on a sintered component, so so that with the aid of the compression element 11, the toothing of the sintered component is compressed or generally the sintered component is compressed in itself or if a sintered powder is used and pressed, can this tooth 16 the geometry of the sintered component can be determined.
  • sintering powder for example sintered steel, powder of iron, copper, or in general It should be noted at this point that the invention is not limited to a particular material.
  • a diameter 17 of the opening 14 can be adjusted, and thus the accuracy of the sintered components to be produced can be increased.
  • the inclined surfaces 12, 13 it is also possible to compensate for a tilting of the compression element 10 against a normal in the axial direction or deliberately cause this, depending on which sintered components to be produced.
  • sintered components are primarily understood to mean such sintered components, which have a toothing, said toothing can be arranged both inside and outside of the sintered component, so an internal toothing or external toothing can be produced.
  • Examples include gears, timing pulleys, sprockets, sliding sleeves, coupling bodies, sintered components with collars, i. Components which consist of a material other than the sintered component and which are held in this synchronous hub connections to drive shafts, in which case an increase in strength due to the high density is possible, with the inventive tool or according to the inventive method in the sintered component is reached, etc.
  • gears with Vergingungsballtechniken ie a Booth balltechnik, producible.
  • the aid of the tool according to the invention 3 sintered components with undercuts, so for example, gears with ribs or so-called one-piece multiple gears, in which this gear has a plurality of mutually different teeth to produce.
  • the tool 3 according to the invention is in addition to its use for the direct compression of sintered powder both of metals and metallic alloys optionally with other additives, as are customary in the production of sintered components, especially for the densification and calibration in a single step of already pressed Sintered component semi-finished products usable. If necessary, these semi-finished products can already be pre-sintered.
  • Fig. 3 and 4 show that tool 3 cut in side view or in plan view, which in the pressing device 1 according to Fig. 1 is arranged.
  • the compression element 11 is formed as a double cone element, wherein this next to the inclined surface 13 has a further inclined surface 18 with an inclination of the first inclined surface 13 opposite inclination against a normal in the axial direction.
  • these two inclinations may be the same amount, so have the same angle in terms of its numerical value, but it is also possible embodiments in which these angles differ from each other in terms of their amount, ie numerical value.
  • the associated clamping element 10 is formed in this embodiment in two parts with a first lower clamping element part 19 and a second upper clamping element part 20.
  • the first lower clamping element part 19 has the first inclined surface 12, which is formed with respect to their inclination complementary to the inclined surface 13 of the compression element 11 and the second clamping element part 20 also has a sloping surface 21, which is complementary to the further inclined surface 18 of the compression element 11th is formed and interacts with this.
  • the two clamping element parts 19, 20 are in the axial direction of the tool 3 relative to each other adjustable, whereby the adjustment of the compression element 11 can be made more accurate, in particular, a tilting of the inner surface 15 of the compression element 11, which has the teeth 16, against the normal in axial direction better balanced or corrected. It can thus the concentricity of interlocking equipped with sintered components, in particular gears, further increased or - can be prepared with the inventive tool 3 on so-called non-circular gears - is also the setting of a non-circular contour with higher accuracy possible.
  • the diameter 17 of the opening 14 of the compression element 11 may be formed in a receiving area 22 at least approximately conically widening, as is apparent Fig. 3 is apparent. It should be noted, however, that this feature does not necessarily have to be present in the tool 3 according to the invention.
  • the support member 10 is formed in two parts with a lower support member part 23 and an upper support member 24, the movement with the lower support member 23, for example via screws 25, is connectable.
  • the upper support element part 24 is formed projecting towards the lower support element part 23 in the direction of the clamping element 10 and the lower clamping element part 19 has a corresponding projection in the direction of the support element 9, so that the lower clamping element part 19 is fixed in a fixed manner between the two support element parts 23, 24 can be and thus only the upper clamping element part 20 is vertically adjustable relative to the lower clamping element part 19.
  • four guide elements 26 are in the form of screws formed on the clamping element 10 in this embodiment, which have an external thread, which engage in an internal thread of the clamping element 10, in particular the lower clamping element part 19. It can on these guide elements 26, the altitude of the upper Clamping element part 20 are fixed with respect to the lower clamping element part 19 and thus the setting of the compression element 11 can be set.
  • At least one spring element 27 is formed or arranged, for example, a conventional spring or preferably a bellows, which is in particular at least partially made of an elastomer.
  • a conventional spring or preferably a bellows which is in particular at least partially made of an elastomer.
  • spring elements 27 can be arranged here, which correspond (viewed in the circumferential direction) between the guide elements 26 Fig. 4 disposed are. Again, it is again possible to provide more or less of these spring elements 27, for example 3, 4, 5 or the like.
  • Fig. 3 dashed lines it is possible to provide a particular circumferential keyway 28 in the lower region of the compression element 11 in order to simplify or facilitate an expansion of this compression element 11.
  • a corresponding wedge-shaped peripheral web of the tool holder 6 of the pressing device 1 may be formed engaging in this keyway 28.
  • the lower clamping surface of the opening 14 can likewise be changed or influenced via this keyway 28, in addition to the adjustment via the inclined surfaces 12, 13.
  • Fig. 5 a section of the tool 3 is shown, wherein in particular the guide element 26 can be seen, which engages via an external thread in an internal thread of the lower clamping element part 19 and the upper clamping element part 20 preferably has a stop 29 to the vertical adjustability of the guide member 26 limit, wherein this stop 29 also serves to deliver the upper clamping member 20 by the horizontal displacement of the guide member 26 to the lower clamping member 19.
  • the compression element 11 is shown in an oblique view and in plan view.
  • slit-shaped free position 30 can be seen from these two figures, via which the adjustability and thus the adaptability of the diameter 17 of the opening 14 can be carried out more simply or more accurately.
  • a plurality of different slot-shaped exemption 30, in particular slot-shaped exemptions 30, which are formed at a distance to a tooth tip circle 31 of the compression element 11 starting in the radial direction on an opposite boundary surface 32 of the compression element 11 extending.
  • these exemptions may be 30, like this Fig. 7 it can be seen that in the region of the tooth tip circle 31, at most, only up to a region of a root circle 33 can be designed to extend.
  • slot-shaped exemptions 30 starting at the root 33 are formed in the radial direction extending to the boundary surface 32, wherein the exemptions 30 are formed open in the direction of the opening 14 of the compression element 11.
  • slot-shaped exemptions 30 may have a bore 35 at their end region in order to achieve better stress relief. These holes 35 may be formed throughout the compression element 11 or over a portion of the height of the compression element 11, starting from one or both end surfaces 34 of the compression element 11 is possible.
  • exemptions 30 it is of course also possible to have other geometrical arrangements of these exemptions 30 than those in FIG 6 and 7 is shown to provide.
  • only exemptions 30 can be arranged in the region of the tooth heads or the tooth bottoms of the toothing 16.
  • the slot-shaped exemptions 30 may have a different geometric shape, for example wedge-shaped or the like.
  • the production of these exemptions 30 is preferably carried out by the so-called wire EDM, but can also be done via other mechanical processing methods.
  • these exemptions 30 are provided with a non-stick coating, for example with a gumming or a lubricant, such as e.g. a calibration oil or polytetrafluoroethylene or a lubricating varnish.
  • a non-stick coating for example with a gumming or a lubricant, such as e.g. a calibration oil or polytetrafluoroethylene or a lubricating varnish.
  • an insert element 36 may be arranged.
  • This insert element 36 may for example have a wall thickness of 2 mm, which wall thickness can be determined by the strength of the material used for this purpose, said insert element 36 has no supporting function and thus can be made very thin or should this insert element 36 to the Adapt tooth flanks, as well as the flank movements during the adjustment of the tool 3 run with, to allow adaptation to the desired geometry of the sintered component to be produced or semi-finished semifinished product.
  • At least one recess or recess may be formed in the tooth heads, in order to be able to absorb material flowing out during the compression and to avoid tooth growth.
  • the tool 3 after the Fig. 1 to 7 is suitable for producing an external toothing on the sintered component to be produced. Since in principle but also the production of a so-called internal toothing is possible, it is of course possible in the invention that not the clamping element 10 is disposed between the support member 9 and the compression member 11, but the compression member 11 between the support member 9 and the clamping element 10th is arranged (in the radial direction).
  • a length or height of the compression element 11 or of the entire tool 3 in the axial direction is dimensioned so that a plurality of sintered components, i. Semi-finished semifinished products into the tool 3, i. the openings 14 of the compression element 11, can be inserted and simultaneously compressed and calibrated.
  • separating agents for example separator sheets, cutting discs or the like, can be arranged between the individual sintered components.
  • the absolute values of the angles of the inclined surfaces 12, 13, 18, 21 may be selected from a range having a lower limit of 2 ° and an upper limit of 30 °. It is thus possible to vary the applied force over the length of the adjustment.
  • double-cone insert it is possible to produce over the inclined surfaces 12, 13, 18, 21 cylindrical contours with very high accuracy or is it also possible to produce sintered components which are frusto-conical, such as bevel gears.
  • the arrangement of the spring elements 27 is particularly advantageous if for the inclined surfaces 12, 13, 18, 21 a relatively shallow angle, i. a flat inclination relative to the normal in the axial direction, for example in the range between 10 ° and 15 °, is selected, since it thus supports the clamping of the compression element 11.
  • the adjusting element in the axial direction in the region of the mold surface at least one exemption for the production of sintered components with a projection or at least one projection in the direction of the mold cavity for the production of sintered components with an undercut ,
  • This exemption (s) or the projection / projections extend starting from the end face 34 in the direction of the opposite end face of the compression element 11 and may extend over only a part of the height or over the entire height of the compression element 11.
  • Fig. 8 is a further embodiment of the tool according to the invention 3 shown in fragmentary form.
  • This in turn has the support element 9, for example, a support ring, the clamping element 10 with the two opposite inclined surfaces 12, 13, and thereafter - viewed in the radial direction from outside to inside - the compression element 11 in a double cone design.
  • the insert element 36 is arranged in the form of a sleeve in this embodiment variant. Only to illustrate the principle, this sleeve is shown with a flat, straight surface, ie without complex geometry.
  • This insert element 36 is dimensioned in its wall thickness, or formed from a suitably flexible material that it performs the diameter change due to the change in the relative position of the clamping element 10 to the compression element 11 with or not hindered.
  • a width 38 of the adjustment range is shown.
  • an upper and a lower guide plate 39, 40 for example in the form of die plates provided, which are arranged so that they cover the compression element 11, the clamping element 10 and at least a portion of the support element 9 in the radial direction.
  • the lower guide plate 40 may be received by the support member 23.
  • Fig. 8 also be clarified that the invention is not limited to the production of sintered components with teeth, such as gears and sliding sleeves of gears, synchronizer rings, gears of belt drives or gear drives, these are generally understood, ie, for example, helical teeth, spur gears, front teeth, bevel gears, etc ., Is limited, although it shows the particular advantages of the tool 3, but arbitrarily configured sintered components with high precision and optionally high density can be produced.
  • teeth such as gears and sliding sleeves of gears, synchronizer rings, gears of belt drives or gear drives
  • these are generally understood, ie, for example, helical teeth, spur gears, front teeth, bevel gears, etc ., Is limited, although it shows the particular advantages of the tool 3, but arbitrarily configured sintered components with high precision and optionally high density can be produced.
  • tool inserts may be provided which at least partially the insert member 36, or should this not be present, penetrate the compression element 11.
  • Fig. 9 This consists of four segments 41 which are composed of a wedge disk with a conical course of an inner surface 42. At least two of these segments 41 have a recess 43 which, at least approximately - viewed in plan view - the half form a dovetail-shaped recess, so that in the assembled state of the segments 41, these recesses 43 of two adjacent segments 41 yield a dovetail-shaped recess in which a guide element with the recess corresponding cross-section can be arranged. Of course, all segments 41 - although not shown - have these recesses.
  • Another embodiment for this purpose may provide that on a segment 41, a projection and a complementary recess are formed so that when assembling the segments 41, a projection engages in the recess of the adjacent segment 41 to be arranged. Again, dovetailed versions are possible.
  • the recesses 43 need not necessarily be such that a dovetail-shaped cross-section, viewed in plan view, results, but other cross-sections may also be chosen.
  • Fig. 10 shows a variant of the tool 3 for the production of sintered components with an internal toothing.
  • This tool has the, for example, annular support member 9, the compression element 11 in the form of a double cone insert and the clamping element 10th with the two inclined surfaces 12, 13, which is in operative connection with the compression element 11. Between the support member 9 and the compression member 11 of the mold cavity 37 is formed, wherein the complementary teeth 16 for producing the internal toothing is arranged on the opposite surface of the double-cone-shaped compression element 11.
  • the clamping element 10 is arranged centrally in the tool.
  • undercuts for example for the production of coupling bodies, can be accomplished relatively easily by an opening 44 are provided in the support member 9, through which a tool insert 45 can be passed to form the undercut, for example adjustable, segmented ring elements that for the ejection of the sintered component from the tool 3 at least partially, but at least from the mold cavity 37 - correspond to double arrow 46 - can be pulled into the rest position, as in Fig. 10 is shown in dashed lines.
  • Fig. 11 shows Fig. 11 another possibility with the tool 3 to produce a sintered component with an internal toothing or another geometric interior figure.
  • the compression element 11 is also designed as a double cone element, however, its inclined surfaces extend in comparison to the embodiment according to Fig. 10 contrary to form a pointing in the direction of the clamping element 10 circumferential edge 47.
  • the at least two-part clamping element 10 has the complementary to the inclined surfaces of the compression element 11 inclined surfaces 12, 13.
  • a wave-shaped shaping element 50 is centrally arranged, which has on its outer surface, the toothing 16 for forming the toothing of the sliding sleeve.
  • the mold cavity 37 is formed between the insert element 36, which bears against the compression element 11, which again has a double-cone shape, and this shaping element 50.
  • recesses 51, 52 are provided, in which the tool insert 45 according to double arrow 46 radially adjustable to form a circumferential groove on the outer end face of the sliding sleeve, is arranged.
  • the shaping element 50 may be guided by the upper and / or lower guide plate 39, 40 or optionally be formed on the upper or lower guide plate 39, 40.
  • FIG. 12 A variant for execution Fig. 12 for producing a sintered component with an internal release, for example, a coupling body of a transmission is in the Fig. 13 to 15 shown in FIG.
  • the sleeve-like insert member 36 which - although not shown - itself may have a corresponding surface geometry for shaping surface geometries of the sintered component, at least one, the insert member 36 penetrating, horizontally according to double arrow 54 movable punch 55 is disposed on an adjusting element 56.
  • the adjusting element 56 is in turn adjustable in the vertical direction on a holder 57, such as a core pin arranged.
  • the punch 54 is approximately L-shaped.
  • the adjusting element 56 is formed as a cone bar.
  • a guide 58 for the punch 55 is arranged on the latter, e.g. a web with dovetailed cross-section, which engages in a corresponding groove on the back of the punch 55, or vice versa.
  • This guide 58 is formed inclined at an acute angle to the longitudinal central axis, as well as the corresponding leg of the punch 55, so that an upward or downward movement of the adjusting element 56 is converted into a radial movement of the punch 55 and this moves out of the insert element 36 or, for demolding of the sintered component, in this eintechnisch.
  • For the axial movement of the adjusting member 57 may also be arranged a corresponding guide between this and the holder 57.
  • a plurality of such punches 55 can also be arranged in an insert element 36 to produce a plurality of internal reliefs, possibly grouped together or all on a single adjustment element 56, in this case the holder 57 e.g. surrounded sleeve-like, can be actuated.
  • a variant of the tool 3 for producing a sintered component is shown with a deposit from the inside.
  • This tool 3 comprises the compression element 11, which is formed in this embodiment as a conical temple, and a two-part clamping element 10 with a conical element 59 and a wedge disk 60.
  • the representation of the tool holder was omitted for reasons of clarity.
  • the workpiece holder is not shown, which may be formed for example by a sleeve, which can be arranged above the wedge disk 60 to form the mold cavity 37 (not shown) extending around the compression element 11.
  • a workpiece 61 to be produced ie a sintered component, is indicated by dashed lines.
  • This tool 3 can serve, for example, for producing internal toothing on a sintered component, but depending on the surface design of the compacting element 11, other sintered components can also be produced at the abutment with the workpiece 61.
  • the clamping element 10 can also be understood in this embodiment as a "double cone", although the two cones on the two components cone member 59 and wedge disk 60, which form the two above-mentioned clamping elements (19,20) are divided.
  • the cone member 59 has in the region of the engagement in the compression element 11 an outer cone to form the inclined surface 12.
  • the compression element 11 has, in the upper, the conical element 59 facing end region on an inner cone to form the inclined surface 13, wherein the inclined surface 13 is complementary to the inclined surface 12 of the outer cone of the cone member 59.
  • the compression element 11 is formed with an outer cone, the inclined surface 21 is complementary to the inclined surface 18 of the inner cone of the wedge disk 60, which is in operative communication with the compression element 11 in this area, so that the wedge disk 60 on the outer cone of the compression element 11th can be moved axially.
  • the compression element 11 As in Fig. 17 indicated by dashed lines, the compression element 11, in turn, the exemptions 30, so-called. Relaxation sections for the radial relaxation, have. It is thus the radial mobility of the compression element 11 allows.
  • the compaction of the workpiece 61 i. the sintered component or the powder for the sintered component, takes place in such a way that the compression element 11 is spread over the cone element 59 by its axial displacement at least in the area of the workpiece 61 and presses against the retained workpiece 61.
  • the wedge disk 60 or when multiple wedge disks 60 are used, are during this "raised", so that the radial movement of the compression element 11 is not hindered.
  • the cone member 59 is brought out of engagement with the compression element 11 and reduced over an axial movement of the wedge disk (s) 60 of the diameter of the compression element 11 again, whereby this is brought out of engagement with the workpiece 61.
  • the compression element 11 may also consist in this variant of the tool 3 of individual slats or segments, which are held together by the wedge disk (s) 60.
  • an insert element 36 can also be provided in this embodiment between the sintered component to be produced and the compacting element 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
EP08005614.6A 2007-11-14 2008-03-26 Outil d'étanchéité, dispositif de compactage comprenant cet outil et procédé pour la compactage d'une pièce frittée ou de poudres Active EP2060346B1 (fr)

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Application Number Priority Date Filing Date Title
ATA1840/2007A AT505947B1 (de) 2007-11-14 2007-11-14 Verdichtungswerkzeug

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EP2060346A2 true EP2060346A2 (fr) 2009-05-20
EP2060346A3 EP2060346A3 (fr) 2017-05-17
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Country Status (6)

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US (1) US8167602B2 (fr)
EP (1) EP2060346B1 (fr)
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CN (1) CN101569930B (fr)
AT (1) AT505947B1 (fr)
CA (1) CA2643658A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012063130A2 (fr) 2010-11-12 2012-05-18 Pmg Asturias Powder Metal S.A.U. Procédé de formage d'une pièce
WO2012063125A2 (fr) 2010-11-12 2012-05-18 Pmg Asturias Powder Metal S.A.U. Outil pour l'usinage d'une pièce
WO2014121943A1 (fr) * 2013-02-07 2014-08-14 Sona Blw Präzisionsschmiede Gmbh Matrice de calibrage et procédé de fabrication d'un pignon de commande de boîte de vitesses à denture
DE102018107637A1 (de) * 2018-03-29 2019-10-02 Dorst Technologies Gmbh & Co. Kg Kalibrierverfahren
CN112548097A (zh) * 2020-11-24 2021-03-26 福建省泉州万龙石业有限公司 一种绳锯串珠冷压齿的上下层装模设备
US11707786B2 (en) 2020-04-17 2023-07-25 PMG Indiana LLC Apparatus and method for internal surface densification of powder metal articles

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2941636B1 (fr) * 2009-01-23 2012-12-07 Commissariat Energie Atomique Outillage de presse
FR2942733B1 (fr) * 2009-03-04 2015-12-25 Commissariat Energie Atomique Outillage de presse
AT509588B1 (de) * 2010-06-10 2011-10-15 Miba Sinter Austria Gmbh Verdichtungswerkzeug
CN102594050B (zh) * 2011-01-07 2013-11-06 山东中际电工装备股份有限公司 内涨模快换机构
AT510985B1 (de) * 2011-07-22 2012-08-15 Miba Sinter Austria Gmbh Baugruppe mit zwei stoffschlüssig miteinander verbundenen bauteilen
ITVE20130029A1 (it) * 2013-06-17 2014-12-18 Mazzer Luigi S R L Dispositivo di pressatura del caffe' in polvere nel portafiltro.-
DE102014110895A1 (de) * 2014-07-31 2016-02-04 Hoerbiger Antriebstechnik Holding Gmbh Verfahren zur Herstellung einer Schiebemuffe
JP5821111B1 (ja) * 2015-01-16 2015-11-24 小林工業株式会社 金型装置
AT516779B1 (de) * 2015-01-23 2017-04-15 Miba Sinter Austria Gmbh Verfahren zur Herstellung einer Balligkeit auf einem Sinterbauteil
CH710828B1 (de) * 2015-03-05 2019-06-28 Dietmar W Kramer Dr Sc Techn Eth Phd Pulverpresse sowie ein Futtergehäuse mit vorzugsweise mehreren für ein Querpressen verschiebbaren Stempeln.
JP2017006924A (ja) * 2015-06-16 2017-01-12 トヨタ自動車株式会社 圧粉体成形装置
CN105526817B (zh) * 2015-11-09 2017-12-22 上海卫星装备研究所 可量化控制毛细芯孔隙率参数的烧结装置及方法
CN105562684B (zh) * 2015-12-30 2017-10-03 浙江省东阳市剑华磁业有限公司 永磁铁氧体制备模具
DE102016125406A1 (de) 2016-12-22 2018-06-28 Gkn Sinter Metals Engineering Gmbh Matrize für eine Presse
DE102016125659B4 (de) * 2016-12-23 2020-12-03 Gkn Sinter Metals Engineering Gmbh Grünling einer Stator-Deckel-Einheit
DE102017105364A1 (de) * 2017-03-14 2018-09-20 Gkn Sinter Metals Engineering Gmbh Verfahren zur Herstellung eines Grünlings mit einem Presswerkzeug, ein Presswerkzeug, ein Grünling sowie ein Sinterteil
CN108247368B (zh) * 2017-12-11 2020-02-14 歌尔股份有限公司 产品压紧装置
DE102017130680B4 (de) * 2017-12-20 2019-07-11 Gkn Sinter Metals Engineering Gmbh Matrize für eine Presse sowie Verfahren zur Herstellung mindestens eines Grünlings mit einer solchen Presse
CN110918986B (zh) * 2019-12-17 2021-12-10 中国工程物理研究院材料研究所 一种用于特殊型号喷管制品的烧结工装夹具
CN111360248B (zh) * 2020-03-31 2023-04-18 珠海精磁新材料技术有限公司 一种改进型一模多腔粉末冶金成型模具
CN111331133A (zh) * 2020-04-10 2020-06-26 宁波市群星粉末冶金有限公司 一种移动式粉末冶金成型设备
US11782416B2 (en) * 2020-05-11 2023-10-10 General Electric Company Compensation for additive manufacturing
CN112496322B (zh) * 2020-11-16 2021-12-31 安徽寒锐新材料有限公司 钴泥挤压机构及钴粉加工系统
CN112496323B (zh) * 2020-11-16 2022-11-11 安徽寒锐新材料有限公司 钴泥挤压机构及钴粉加工系统
CN112846787A (zh) * 2020-12-31 2021-05-28 安徽省旌德县江南机电配件有限公司 一种磁性槽楔上料加工和下料输送一体装置
CN117548678B (zh) * 2024-01-12 2024-03-08 烟台东一粉末冶金制造有限公司 一种用于同步器齿套的粉末冶金生产线及生产工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517039A1 (de) * 1975-04-17 1976-10-28 Vni Instrumentalnij I Ssr Gesenk zum radialen gesenkschmieden von werkstuecken mit koernerloechern
EP0584907A2 (fr) * 1992-06-18 1994-03-02 O-Oka Forge Co., Ltd. Dispositif pour le forgeage d'une roue à denture hélicoidale
DE19523689A1 (de) * 1995-07-05 1997-01-16 Krupp Ag Hoesch Krupp Verfahren zum Kalibrieren von Werkstücken mit einer profilierten Außenkontur
JP2000135598A (ja) * 1998-10-28 2000-05-16 Toyota Motor Corp 粉末成形型及び粉末の成形方法
EP1422050A2 (fr) * 2002-11-22 2004-05-26 Dorst Maschinen- u. Anlagenbau GmbH & Co. KG Dispositif pour fabriquer des articles pressés conservant leur dimension à partir de matières pulvérulentes

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191420679A (en) 1914-10-07 1916-01-07 Edgar Rouse Sutcliffe Improvements in or relating to the Manufacture of Coal Briquettes.
FR1497569A (fr) * 1966-08-22 1967-10-13 Centre Nat Rech Scient Appareils générateurs de très hautes pressions
SE332274B (fr) * 1969-06-25 1971-02-01 Per-Olof Strandell
US3822974A (en) * 1972-08-23 1974-07-09 Wolverine Pentronic Inc Tool set for powder compacting press
IT976216B (it) * 1972-12-29 1974-08-20 Olivetti & Co Spa Dispositivo di formatura di pezzi elicoidali mediante compattazione di materiali in polvere
JPS6169232U (fr) * 1984-10-15 1986-05-12
US4906434A (en) * 1988-09-13 1990-03-06 University Of Tennessee Research Corporation Bi-dimensional compression method
GB9318581D0 (en) * 1993-09-08 1993-10-27 Manganese Bronze Ltd Method of and apparatus for producing a compression product
JP3031131B2 (ja) * 1993-09-16 2000-04-10 日産自動車株式会社 粉末成形品の製造装置
JPH09125104A (ja) * 1995-11-07 1997-05-13 Honda Motor Co Ltd Ｔｉ合金の圧粉成形装置
DE19804700A1 (de) 1998-02-06 1999-08-19 Danfoss As Formwerkzeug
US6186763B1 (en) * 1998-12-15 2001-02-13 Pfa Incorporated Threaded actuator for positioning structure subjected to intense loads
ATE362410T1 (de) * 2003-10-29 2007-06-15 Alvier Ag Pm Technology Vorrichtung zur aufnahme von werkzeugen zur kalibrierung von werkstücken und presse mit solch einer vorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517039A1 (de) * 1975-04-17 1976-10-28 Vni Instrumentalnij I Ssr Gesenk zum radialen gesenkschmieden von werkstuecken mit koernerloechern
EP0584907A2 (fr) * 1992-06-18 1994-03-02 O-Oka Forge Co., Ltd. Dispositif pour le forgeage d'une roue à denture hélicoidale
DE19523689A1 (de) * 1995-07-05 1997-01-16 Krupp Ag Hoesch Krupp Verfahren zum Kalibrieren von Werkstücken mit einer profilierten Außenkontur
JP2000135598A (ja) * 1998-10-28 2000-05-16 Toyota Motor Corp 粉末成形型及び粉末の成形方法
EP1422050A2 (fr) * 2002-11-22 2004-05-26 Dorst Maschinen- u. Anlagenbau GmbH & Co. KG Dispositif pour fabriquer des articles pressés conservant leur dimension à partir de matières pulvérulentes

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012063130A2 (fr) 2010-11-12 2012-05-18 Pmg Asturias Powder Metal S.A.U. Procédé de formage d'une pièce
WO2012063125A2 (fr) 2010-11-12 2012-05-18 Pmg Asturias Powder Metal S.A.U. Outil pour l'usinage d'une pièce
WO2012063130A3 (fr) * 2010-11-12 2012-07-12 Pmg Asturias Powder Metal S.A.U. Procédé de formage d'une pièce
WO2012063125A3 (fr) * 2010-11-12 2012-07-19 Pmg Asturias Powder Metal S.A.U. Outil pour l'usinage d'une pièce
CN103260789A (zh) * 2010-11-12 2013-08-21 Pmg阿斯图里亚斯粉末金属公司 加工工件的工具
CN103260789B (zh) * 2010-11-12 2016-07-13 Pmg阿斯图里亚斯粉末金属公司 加工工件的工具
US9427790B2 (en) 2010-11-12 2016-08-30 Pmg Asturias Powder Metal S.A.U. Method for forming a workpiece
WO2014121943A1 (fr) * 2013-02-07 2014-08-14 Sona Blw Präzisionsschmiede Gmbh Matrice de calibrage et procédé de fabrication d'un pignon de commande de boîte de vitesses à denture
DE102018107637A1 (de) * 2018-03-29 2019-10-02 Dorst Technologies Gmbh & Co. Kg Kalibrierverfahren
US11707786B2 (en) 2020-04-17 2023-07-25 PMG Indiana LLC Apparatus and method for internal surface densification of powder metal articles
CN112548097A (zh) * 2020-11-24 2021-03-26 福建省泉州万龙石业有限公司 一种绳锯串珠冷压齿的上下层装模设备

Also Published As

Publication number Publication date
EP2060346A3 (fr) 2017-05-17
US8167602B2 (en) 2012-05-01
CN101569930A (zh) 2009-11-04
US20090257905A1 (en) 2009-10-15
CN101569930B (zh) 2013-04-17
JP2009120953A (ja) 2009-06-04
EP2060346B1 (fr) 2019-04-24
AT505947B1 (de) 2016-04-15
CA2643658A1 (fr) 2009-05-14
AT505947A1 (de) 2009-05-15

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