EP1339511B1 - Verfahren und vorrichtung zur kontinuierlichen herstellung von werkstücken aus einem unprofilierten längsprofil sowie deren verwendung - Google Patents
Verfahren und vorrichtung zur kontinuierlichen herstellung von werkstücken aus einem unprofilierten längsprofil sowie deren verwendung Download PDFInfo
- Publication number
- EP1339511B1 EP1339511B1 EP01989532A EP01989532A EP1339511B1 EP 1339511 B1 EP1339511 B1 EP 1339511B1 EP 01989532 A EP01989532 A EP 01989532A EP 01989532 A EP01989532 A EP 01989532A EP 1339511 B1 EP1339511 B1 EP 1339511B1
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- EP
- European Patent Office
- Prior art keywords
- longitudinal section
- accordance
- roller
- profile
- rollers
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/063—Making machine elements axles or shafts hollow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/12—Making machine elements axles or shafts of specially-shaped cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B39/00—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
- B24B39/04—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working external surfaces of revolution
Definitions
- the invention relates to a method and an apparatus for continuous production of workpieces from an unprofiled Longitudinal profile made of aluminum and / or containing aluminum Alloys, and their use.
- WO 00/16920 describes a method and an apparatus for surface treatment of longitudinal profiles.
- the longitudinal profile is at least partially by at least one roller provided with an outer profile at least partially acted on such that the treated surface of the longitudinal profile under residual compressive stress and that under the treated surface lying zones of the longitudinal profile below Residual tensile stresses set in the axial and tangential directions become.
- This is the longitudinal profile always around a workpiece, i.e. Bar or sheet material, without any profiling.
- the workpiece is and remains both before and after its surface treatment not profiled. Also finds neither a continuous nor non-cutting attachment of a profile or other deformation in a non-cutting manner.
- FR 2 414 375 A describes a process and a device for transverse rolling of rotationally symmetrical Longitudinal profiles known. It should be a cylindrical longitudinal profile a screw bolt perpendicular to the longitudinal profile arranged rollers with cylindrical sections and conical Sections are provided. For this purpose first of all a stop collar or stop flange on the bolts educated. Whose excess material is deformed by plastic flow to eventually remove the excess Material in the respective conical section to build. Continuous processing of an unprofiled Longitudinal profile to a workpiece with profile is neither provided still realizable. In addition, the material probably exists conventionally made of steel or a steel alloy. Finally, using this method and Device only turned workpieces of a transverse rolling subjected. High strength in the surface area of the Workpiece is therefore excluded.
- DE 1 111 660 B describes a method and a device to improve the durability of Components made of metal known. It should only the surface of the components in linear patterns differentially be plastically deformed.
- the present invention is therefore based on the object a method and an apparatus for continuous production of workpieces with a round cross-section or with bores or similar recesses from an unprofiled Provide longitudinal profile, the or the expressed constructively is simple and a manufacture of workpieces Aluminum and / or aluminum-containing alloys of particular high strength and hardness as well as gas tightness under great accuracy and with little effort and expense enable, as well as their use for continuous Production of workpieces, for example in the form of elongated ones Profiles made of aluminum or alloys containing aluminum to provide.
- the non-profiled longitudinal profile is initially at least partially acted upon by at least one roller which is at least partially provided with an outer profile, such that the treated surface of the longitudinal profile is under residual compressive stress and that is below the treated surface lying zones of the longitudinal profile are set under residual tensile stresses in the axial and tangential direction, the longitudinal profile placed under residual compressive stress is then at least partially provided with a profile without cutting by at least one further roller and finally an at least partially profiled section of the longitudinal profile to form a profiled workpiece is separated from the longitudinal profile, a particularly simple method can be obtained to workpieces made of aluminum and / or aluminum-containing alloys with a round surface, ie with ko nvex surface, such as round profiles, and / or with a concave surface, such as hollow profiles, and / or bores and other recesses, for example through holes and blind holes, due to a purely chipless machining without great effort and expense.
- the longitudinal profiles and / or workpieces formed therefrom are given a particularly high strength and / or hardness, as well as an extremely high accuracy and smoothness.
- the longitudinal profiles treated by the method according to the invention and / or workpieces formed therefrom are largely gas-impermeable or gas-tight.
- the longitudinal profiles and / or workpieces are therefore outstandingly suitable for further processing to, for example, high-strength and gas-tight, hydraulic elements, such as (lockable) gas and / or liquid springs, etc.
- the workpieces therefore have an inherent stress characteristic, namely residual compressive stresses in the plastically deformed surface or near-surface edge zone and tensile residual stresses in the areas below, which counteract each other.
- the workpieces made from the longitudinal profile therefore have a significantly improved fatigue strength.
- An additional advantage of the method according to the invention results in improved adhesion as a result of a significantly reduced oxide layer thickness, with the result that the workpieces can be provided with galvanic coatings without any problems, and without the usual hydrogen embrittlement. Because of the improved adhesion, however, all conceivable corrosion protection methods are also possible.
- welding of longitudinal profiles and / or workpieces produced by the method according to the invention to or with one another is also readily possible.
- the resilience or durability of such weld seams corresponds to that of weld seams of conventionally produced longitudinal profiles and / or workpieces.
- the measures are the continuous production of the workpiece of claim 2, according to which the longitudinal profile by the application through the at least one at least partially roller provided with an outer profile moved in the axial direction becomes. Accordingly, there are separate procedural measures for onward transport of the longitudinal profile after the residual stress generation not mandatory.
- the longitudinal profile is particularly accurate Embodiment of the invention according to claim 3 by at least one, in particular two each, at least partially with one Outer profile roller (s) successively in opposite Direction applied. That way the surface to be treated of the longitudinal profile is preferred transverse to the direction of movement of the longitudinal profile first in one Direction and then deformed in the opposite direction. In addition, the longitudinal profile becomes gastight in this way made.
- the longitudinal profile or its surface in the form of a outside surface and / or an inside Surface for example the inner wall of a bore an at least partially provided with an outer profile Roller and at least one, especially two, essentially unprofiled roller / s, which around the workpiece or in the least a bore or the like recess is arranged are acted upon.
- a roller with an outer profile in the form of at an angle to the longitudinal axis of the roller ⁇ and / or ⁇ 'arranged annular beads and recesses to edit, being to the longitudinal axis of the roller annular beads arranged at an angle ⁇ , ⁇ ' and recesses of the roller to one another essentially have the opposite leading position.
- the longitudinal profile according to claim 8 is the longitudinal profile according to claim 8 by two at least rollers partially provided with an outer profile and an essentially non-profiled roller that wraps around the longitudinal profile, in particular at approximately the same distance from each other are acted upon.
- the longitudinal profile or the one to be treated is preferred (Upper) surface of the longitudinal profile according to claim 9 two rollers with an outer profile in the form of to the longitudinal axes of the rollers arranged at an angle ⁇ or ⁇ ' machined annular beads and recesses.
- the two rollers are claimed 10 preferably driven in the same direction of rotation if the to the longitudinal axes of the rollers at an angle ⁇ or ⁇ ' arranged annular beads and recesses of the two Roll an essentially opposite feed position exhibit.
- rollers according to claim 11 are in opposite directions Direction of rotation driven when the to the longitudinal axes of the rollers arranged at an angle ⁇ or ⁇ ' annular beads and recesses of the two rollers one to the other have essentially the same forward position.
- the characteristics of the claims are of particular interest 12 and 13, after which the longitudinal profile set under residual stresses is additionally compacted on the surface side, namely up to a surface depth of about 100 microns, in particular from about 1 to 20 ⁇ m, and preferably from about 1 ⁇ m.
- hereby can be the one already obtained by generating the residual stress Gas tightness of the longitudinal profile and associated with it the workpieces to be produced from the longitudinal profile itself can be further increased or fully achieved.
- the workpieces made from the longitudinal profile can thus advantageously in the manufacture of hydraulic damping elements, such as (lockable) gas and / or Liquid springs are used.
- hydraulic damping elements such as (lockable) gas and / or Liquid springs are used.
- (Blockable) gas and / or liquid springs can be found in a wide variety Size, type and design, for example inter alia in motor vehicles, furniture, such as height-adjustable Chairs or tables, and many more uses.
- the longitudinal profile set under residual stresses is used in accordance with the measures of claim 14 at least partially by at least one profile roller with a profile is provided.
- the profile is so far on the longitudinal profile created without any machining.
- the longitudinal profile set under residual stress according to claim 15 by the at least one profile roller is provided with a peg profile.
- the at least a profile roll formed the pin profile of the internal stress set longitudinal profile additionally, i.e. cumulatively, by the at least one grooved roller with a thread is provided.
- one end of a bore or the like recess of the longitudinal profile by at least to provide a profile roller with a flange.
- a profile roller with a flange Just like that it is also possible to apply such a flanging to form the leading end of a hollow profiled longitudinal profile.
- a shortened longitudinal profile can be cut to length or sheared off.
- the separated section of the longitudinal profile and / or the shortened longitudinal profile in the area of separation or shearing is surface treated.
- the longitudinal profiles and / or workpieces and / or their coatings placed under residual stresses can, in a particularly advantageous manner, consist of aluminum and / or (an) alloy (s), depending on the material properties or specifications to be achieved in each case.
- Aluminum and / or aluminum-containing alloys are preferred, for example AlMg 4.5 Mn, AlMgSi 0.5 , AlMgSi, AlMg 5 , AlZn 4.5 Mg, AlCuMg, AlCuMg 2 , AlZnMgCu 0.5 , AlZnMgCu 1.5 , AlCuMgPb, on.
- the device according to the invention comprises a device for the continuous production of workpieces from one unprofiled longitudinal profile with a round one, for example Convex and / or concave, surface means for Generation of residual stresses in the unprofiled longitudinal profile with three parallel and arranged around the longitudinal profile Rolls, which at least partially with a longitudinal profile external profile in the form of to the longitudinal axis the roller at an angle arranged annular beads and recesses and individually around their longitudinal axes as well as rotatable together around the longitudinal profile, one Facility for chipless training of a profile on the below Internal stresses set longitudinal profile with at least one another roller and a device for separating a with a profiled section of the longitudinal profile Formation of a profiled workpiece from the longitudinal profile.
- a device for the continuous production of workpieces from one unprofiled longitudinal profile with a round one for example Convex and / or concave
- surface means for Generation of residual stresses in the unprofiled longitudinal profile with three parallel and arranged around the longitudinal profile Rolls, which at least partially with
- the device according to the invention is thus characterized a particularly simple and compact construction overall out.
- the device according to the invention also represents a pronounced high manufacturing accuracy in the production of Workpieces with particularly high strength and hardness as well great accuracy.
- Workpieces manufactured an absolute Gas leaks.
- Not least because of a chipless Processing allows the device according to the invention significant reduction in labor and costs the continuous production of such workpieces with a round surface.
- the advantages the can be achieved with such a device are in Essentially related to the advantages mentioned above with the embodiment of a device for producing Workpieces with a round surface, like a simple construction, a production of workpieces with particularly high strength and hardness, one hundred percent gas tightness as well great accuracy, low labor and cost etc., identical.
- the technical ones are also of particular interest Features of claim 28, according to which the device for generating residual stress a device for compacting the surface subordinate to the longitudinal profile set under residual stresses is. With such a facility, the can anyway already gas-tight (largely) through the generation of residual stress formed surface of the longitudinal profile completely impermeable Preserve outer surface.
- the device for chipless formation of a profile on the under residual stress set longitudinal profile according to claim 29 at least comprises a profile roller and / or at least according to claim 30 has a grooved roller to form a thread.
- a cutting device is expedient according to claim 31 intended to cut or shear the longitudinal profile.
- workpieces made of aluminum and / or aluminum-containing alloys such as AlMg 4.5 Mn, AlMgSi 0.5 , AlMgSi, AlMg 5 , AlZn 4.5 Mg , AlCuMg, AlCuMg 2 , AlZnMgCu 0.5 , AlZnMgCu 1.5 , AlCuMgPb.
- Workpieces made of, for example, aluminum or an alloy (s) containing aluminum have recently been found to be particularly suitable on account of the various advantageous properties, such as corrosion resistance, low specific density, etc. These materials are used more and more frequently, in particular in the field of motor vehicle construction.
- the method and the device are expediently suitable according to the invention according to claim 34 very particularly for the production of, in particular gas-tight, hydraulic Spring or damping elements, preferably from (Blockable) gas and / or liquid springs, preferred Made of aluminum and / or alloys containing aluminum.
- the material aluminum or alloys containing aluminum open up by the method and / or the device according to the invention due to a significantly increased Strength and hardness, 100% gas tightness, an improved fatigue strength, one only more small tolerance size and high smoothness as well as one improved liability for galvanic coatings or other Corrosion and oxidation preventing materials Applications not previously accessible.
- a significantly increased Strength and hardness, 100% gas tightness, an improved fatigue strength, one only more small tolerance size and high smoothness as well as one improved liability for galvanic coatings or other Corrosion and oxidation preventing materials Applications not previously accessible Thereby becomes the versatility of aluminum as a material or the aluminum-containing alloy (s) and their already long-known advantages further improved.
- a device 10 for continuous production of workpieces 12, 12 'from one Longitudinal profile 14 with a round surface 16, for example with a round cross-section in the form of a round material, and of workpieces 12 "from a longitudinal profile 14 'with at least a bore 16 'or the like recess, such as one Through hole and / or a blind hole, are corresponding, identical components each with identical Provide reference numbers.
- a longitudinal profile 14 with a round surface 16 it can equally a longitudinal profile with a convex surface, such as an outer surface of solid material, and / or around a longitudinal profile with a concave surface, such as Example of an inner surface of solid material, and / or one A combination of these, such as an exterior and interior surface a hollow profile.
- a longitudinal profile 14 'with a bore 16' or the like Recess may be synonymous with a longitudinal profile 14 with round, i.e. concave, surface 16 in shape of pipe material or other hollow profile.
- FIG. 1 schematically shows an embodiment of an inventive Continuous production device 10 of workpieces 12, 12 ', 12' 'from an unprofiled Longitudinal profile 14, 14 'with a round surface 16 or bore 16 'or the like recess shown.
- FIG illustrated devices of the device according to the invention 10 For a better understanding, all are shown in FIG illustrated devices of the device according to the invention 10 and the associated procedural steps are explained, although for the method and / or the device 10 according to the invention only a part of it is necessary.
- the unprofiled longitudinal profile 14, 14 'initially becomes one Device 18 for generating residual stresses in the Longitudinal profile 14, 14 'supplied.
- the longitudinal profile receives an increased one Strength and becomes gas-tight on the other.
- the residual stress generating device comprises 18 three rollers 20, 20 ', 20' ', which are parallel and about the unprofiled longitudinal profile 14 in approximately the same Distance, i.e. each offset by 120 °, arranged to each other are.
- the diameter of the three rollers 20, 20 ', 20 can also vary, however.
- rollers 20, 20 ', 20 are at least partially with one the surface 16 of the longitudinal profile 14 acting outer profile 24, 24 '.
- the rollers 20 and 20 ' provided with such an outer profile 24, 24 '.
- the roller in contrast, 20 '' is not profiled. in principle it is also possible, however, instead of two rollers 20, 20 'only a roller with such a surface 16 to equip the longitudinal profile 14 external profile (see Figures 4A, 4B).
- the outer profile acting on the surface 16 of the longitudinal profile 14 24, 24 'of the two rollers 20, 20' is in the form of annular beads 26 and recesses arranged between them 28 formed to the longitudinal axis 22, 22 'of the respective Roller 20, 20 "are arranged at an angle ⁇ .
- the beads 26 and recesses 28 of the two therefore run Rollers 20, 20 'obliquely in the longitudinal direction of the rollers 20, 20'.
- the annular beads 26 protrude beyond the outer diameter the rollers 20, 20 '.
- the two rollers 20, 20 ' are advantageously at least partially provided with an outer profile 24, 24 ' the surface 16 of the longitudinal profile 14, 14 'successively acted in the opposite direction, i.e. the surface 16 of the longitudinal profile 14 first in one direction and then deformed in the opposite direction.
- the residual stress generating device 18 are the beads 26 and recesses 28 of the outer profile 24, 24 'of the two rollers 20, 20' reversed to one another for this purpose, i.e. arranged roughly crosswise.
- the angle ⁇ of the outer profile 24 of the roller 20 to the angle ⁇ 'of the outer profile 24 'of the roller 20' is identical in terms of amount the angles ⁇ or ⁇ 'accordingly in their sign, are therefore once positive and once negative, or vice versa.
- the angle ⁇ , ⁇ ' is in a range between 2 ° and 85 °, preferably between 2 ° and 60 ° and very particularly preferably between 2 ° and 10 ° inclusive.
- the beads 26 or recesses 28 are on the roller 20 from right to left and on the roller 20 'of trained leading left to right.
- 14 'in such an essentially opposite forward position of the beads 26 and recesses 28 of the two adjacent rollers 20, 20 'to ensure the two rollers 20, 20 'are therefore in the same Direction of rotation drivable.
- the longitudinal profile 14, 14 ' is in the embodiment of the invention Device 18 according to FIG. 2B in the direction the arrow 30 through the rollers 20, 20 ', 20' 'from right to moved to the left.
- the rollers 20, 20 ' have two ends 32, 34, which like 2B, 3A and 3B clearly show the respective Limit outer profile 24, 24 '. That in the direction of movement of the Longitudinal profile 14, 14 'according to arrow 30 on the upstream end 32 and the downstream end 34 of the rollers 20, 20 'are not profiled or smoothly formed.
- the upstream end 32 the roller 20, 20 ' has a slightly smaller outer diameter on any irregularities in the outer profile 24, 24 'to be supplied longitudinal profile 14, 14' or to exercise a certain directional function in advance.
- roller 20 ′′ is continuous according to FIG. 3C provided with a smooth surface.
- rollers 20, 20 ', 20' ' are still in this embodiment individually around their longitudinal axes 22, 22 ', 22' ' rotatable, as shown in particular in FIG. 2A is.
- the two rollers 20 20 'with opposite outer profile 24, 24' each in the same Direction of rotation, the roller 20 '' with an exclusively smooth surface driven in the opposite direction of rotation.
- the direction of rotation of the roller 20 '' with only smoother can be chosen freely.
- the drive device is for rotating the rollers 20, 20 ', 20' 'individually around their Longitudinal axes 22, 22 ', 22' 'are provided.
- the drive head serves for rotating the rollers 20, 20 ', 20' 'together around the longitudinal profile 14, 14 '.
- the upstream end 32 of the rollers 20, 20 ', 20' ' is corresponding 3A to 3C with a profile 36, for example a square profile, in a correspondingly shaped, essentially precise recess (not shown) of the hydraulic drive device rotatably received.
- the downstream end 34 of the rollers 20, 20 ', 20' ' is each via a pin 38 in recesses (also not shown) of the drive head rotatably received.
- the drive device and / or the drive head of the three Rollers 20, 20 ', 20 " is in the embodiment of the residual stress generating device 18 hydraulic according to the invention or pneumatically controllable.
- Such a drive the three rollers 20, 20 ', 20 " enables stepless control, to avoid any slippage and therefore a constant smooth surface 16 of the longitudinal profile 14, 14 'at its To get treatment.
- the drive device comprises a total of three separate, preferably hydraulically operated drive motors, which each end is assigned to one of the rollers 20, 20 ', 20' ' are. However, it is also possible to use only the two profiled rollers 20, 20 'by means of such a drive motor drive.
- the drive head or similar drive arrangement is available for example a worm drive (not shown) in Operative engagement.
- a worm drive (not shown) in Operative engagement.
- the Worm drive and thus the drive head also over a drive motor driven hydraulically or pneumatically.
- the speed of the worm drive the same the speed of rotation of the drive head and thus the common rotation of the.
- Roll 20, 20 ', 20' 'around that Longitudinal profile 14, 14 'specifies the feed is equally of the longitudinal profile 14, 14 'by the residual stress generating device according to the invention 18 determined.
- the rollers 20, 20 ', 20' ' formed in several parts. So the rollers 20, 20 ', 20' ' one shaft 40 each with one in the region of the profile 36 provided stop 42.
- the shaft 40 takes a sleeve 44 either with the outer profile 24, 24 ', the upstream end 32 and the downstream end 34 or with a smoother overall Surface on.
- the sleeve 44 is connected via a slot wedge 46 the shaft 40 attached secured against rotation. In the axial direction is the sleeve 44 on the shaft 40 through the stop 42, a Ring 48 and a nut 50 secured.
- Such Multi-part also has the advantage that the shaft 40 and the sleeve 44 subjected to different manufacturing methods can be, so that ultimately the shaft 40 a high Toughness and the sleeve 44 with the outer profile 24, 24 'of Rollers 20, 20 ', 20' 'have a high hardness and therefore high wear resistance exhibit.
- roller 20 '' ' at least partially with an outer profile 24, 24 'provided that the surface 16 of the longitudinal profile 14, 14 'successively in the opposite direction acted upon, i.e. the surface 16 of the longitudinal profile 14, 14 'first in one direction and then in the opposite direction Direction deformed.
- the beads 26 and recesses 28 of the outer profile 24, 24 'of the roller 20' '' to each other for this purpose vice versa i.e. arranged roughly crosswise.
- the angle ⁇ of the outer profile 24 to the angle ⁇ 'of the outer profile 24 'of the roller 20' '' is identical in amount, differ the angles ⁇ and ⁇ 'accordingly in their sign.
- the roller 20 '' ' turns around its axis 22' ''.
- the two rollers 20 '' are not profiled.
- rollers 20, 20 ', 20' ' for example each of one Shaft 52, 52 ', 52' 'or the like are worn (indicated shown), all support themselves at the same time from the inner wall of the bore 16 'of the longitudinal profile 14'. This is all the more advantageous since the rollers 20, 20 ', 20' ' in the case of an internal stress generation of a blind hole are self-supporting.
- roller 20 '' ' it is alternative possible to use only one roller 20 '' '.
- These two rollers should face each other be arranged, their two outer diameters could roll on the inside diameter of the bore 16 ' additionally a support function for the generation of residual stress to reach. This allows the high manufacturing accuracy of the longitudinal profile 14 'after the residual stress generation improve even further.
- the device 18 for generating residual stress optionally in the longitudinal profile 14, 14 ' Subordinate reel 54, on which the longitudinal profile 14, 14 'after the residual stress generation in the device according to the invention 18, optionally for transport to another location, wound up can be.
- a rolling head 60 known per se is provided, which arranged rotatably on an axis of rotation 62 or the like is.
- the rolling head 60 is with rotating bodies 64, for example with needles, to the rotation on or on the inner, concave surface 16 'of the rolling head 60 to support.
- the compacting device 56 is a cutting device 66 assigned.
- the cutting device 66 divides the longitudinal profile 14, 14 'to simplify further Workflow in smaller units. Such a cut to length can of course also on any other Place. Therefore, the cutter 66 could be without further ado, for example, in front of the residual stress generating device Arrange 18 or after the reel 54 etc. However, it is also conceivable to use several such cutting devices 66 to integrate in the device 10 according to the invention.
- the cutter 66 in that shown in FIG. 1 Embodiment of the device 10 according to the invention again a device 68 for the non-cutting formation of a Profiles on the under stresses and at the present embodiment then on the surface side compressed longitudinal profile 14, 14 'downstream.
- the device 68 comprises non-cutting Forming a profile at least one profile roller 70.
- two are each other opposite profile rollers 70 are provided, which the Longitudinal profile 14, which is here in the form of solid material, apply pressure in the opposite direction.
- the Profile rollers 70 form a profile on the longitudinal profile 14, the moved in the direction of arrow 72 by the device 10 becomes. So the longitudinal profile 14 in the illustrated embodiment with a pin profile 74 and a variety provided by annular beads 76 and recesses 78.
- the device 68 for non-cutting training of a profile on the one set under residual stresses Longitudinal profile 14 according to FIG. 7 additionally at least a grooved roller 80 to form a thread 81. Also here are at least two grooved rollers facing each other 80 provided that support each other. about the two or more grooved rollers 80 can be any Cut thread 81 in the longitudinal profile 14.
- the protruding pin 74 is equipped with a thread 81.
- the device 68 for non-cutting training a profile when executing the device according to the invention 10 a further cutting device according to FIG 82 arranged downstream from or from the longitudinal profile 14, 14 ' shaped workpieces 12, 12 ', 12 "to length or ultimately from adjacent workpieces 12 separate.
- the workpiece 12 is in the present embodiment 7 designed as a so-called bottom piece.
- the cut or separated workpieces 12, 12 ', 12' 'or separated sections of the longitudinal profile 14, 14 ' are finally in a device 84 for surface treatment surface-treated in the area of their separation, for example deburred and ground, polished, buffed or otherwise smoothed.
- the longitudinal profile 14, 14 ' in any way through the one or more profile rollers 70 can be shaped.
- a flange 86 at the leading end 88 of a longitudinal profile 14 ' which is designed as a hollow profile or tube or possibly also has a bore or the like, formed by profile rollers 70.
- the longitudinal profile 14 ' is so to a workpiece 12 ', for example an end pipe or the like.
- 9A to 9E is yet another shape of the Longitudinal profile 14, which in turn is available as a solid material, is shown.
- the pins 74 are then each provided with a thread 81 via grooved rollers 80, which is indicated in FIG. 9D.
- the one with a profile Longitudinal profile 14 is then in the central section separated, creating two separate corresponding ones Workpieces 12 '', for example piston rods or the like, be formed.
- FIG. 1 illustrates a process flow in which continuous production of workpieces 12, 12 ', 12 '' according to the method and the associated device is integrated according to the invention.
- the method and the device 10 according to the invention are suitable are particularly good for mass production of workpieces, which are formed from unprofiled, elongated profiles such as head restraints in motor vehicles or the like, preferably made of aluminum or aluminum containing alloys exist.
- workpieces which are formed from unprofiled, elongated profiles such as head restraints in motor vehicles or the like, preferably made of aluminum or aluminum containing alloys exist.
- stand out headrests manufactured in this way are pronounced on the one hand by a high strength, but also a certain amount Deformability, so that especially in frontal collisions previously reported head injuries to vehicle occupants can be avoided.
- the device 10 use to profiled, in particular hardened and / or coated, high-strength and / or gas-tight Workpieces 12, 12 '' with a round surface 16 made of solid material, preferably of rods, piston rods, axes, shafts, Crankshafts, camshafts or other elongated components, with or without spigot and / or with or without threaded sections etc., manufacture continuously.
- the method and / or the device 10 can also be used for the continuous production of profiled, in particular hardened and / or coated, high-strength and / or gas-tight workpieces 12 'with hollow cross-section 16' or bores or similar recesses, especially through holes and / or blind holes, made of tubular Use material, especially pipes.
- the method allows in a particularly advantageous manner and / or the device 10 according to the invention thus a continuous production of, especially high-strength and / or gas-tight, hydraulic spring or damping elements, preferably of (lockable) gas and / or liquid springs, preferably made of aluminum and / or aluminum containing alloys. So with one and the same Method and one and the same device simple and Get a wide range of components without any design effort and assemble to a design unit or even weld together.
- the workpiece 12 may be gas impermeable Bottom piece, which is described with reference to FIG. 7 is, in the workpiece 12 'in the form of a tube with a flange 86, which is explained in connection with FIG. 8 is used.
- the weld 90 runs in the Area of flanging 86.
- the structural unit thus formed leaves for example as an inner tube of a gas spring or the like use hydraulic spring element.
- the workpiece 12 '' which is shown in more detail in FIGS. 9A to 9E, finally can also be used as a piston rod in a gas spring or the like introduced hydraulic spring element and be installed in a gas-tight manner.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Multi-Process Working Machines And Systems (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Milling Processes (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Description
- Fig. 1
- eine schematische Darstellung einer Ausführungsform einer erfindungsgemäß ausgebildeten Vorrichtung zur kontinuierlichen Herstellung von Werkstücken aus einem unprofilierten Längsprofil,
- Fig. 2A und 2B
- eine schematische Querschnittsansicht durch eine Ausführungsform einer erfindungsgemäßen Einrichtung zur Eigenspannungserzeugung in einem Längsprofil einer Vorrichtung nach der Fig. 1 und eine schematische Draufsicht auf drei Walzen der erfindungsgemäßen Einrichtung entsprechend der Fig. 2A, jeweils in vergrößerter Darstellung,
- Fig. 3A, 3B und 3C
- schematische Seitensichten auf die Ausführungsformen der drei Walzen der erfindungsgemäßen Einrichtung zur Eigenspannungserzeugung nach den Fig. 2A und 2B, jeweils in vergrößerter Darstellung,
- Fig. 4A und 4B
- eine teilweise schematische Querschnittsansicht durch eine weitere Ausführungsform einer erfindungsgemäßen Einrichtung zur Eigenspannungserzeugung einer Vorrichtung entsprechend der Fig. 1 und eine schematische Draufsicht auf drei Walzen der erfindungsgemäßen Einrichtung entsprechend der Fig. 4A, jeweils in vergrößerter Darstellung,
- Fig. 5A und 5B
- eine schematische Querschnittsansicht durch eine andere Ausführungsform einer erfindungsgemäßen Einrichtung zur Eigenspannungserzeugung einer Vorrichtung entsprechend der Fig. 1 und eine schematische Draufsicht auf drei Walzen der erfindungsgemäßen Einrichtung entsprechend der Fig. 5A, jeweils in vergrößerter Darstellung,
- Fig. 6
- eine schematische Querschnittansicht durch eine Ausführungsform einer erfindungsgemäß ausgebildeten Einrichtung zur Verdichtung eines Längsprofils einer Vorrichtung nach der Fig. 1,
- Fig. 7
- eine schematische Querschnittansicht durch eine Ausführungsform einer erfindungsgemäß ausgebildeten Einrichtung zur spanlosen Ausbildung eines Profils an einem Längsprofil einer Vorrichtung nach der Fig. 1,
- Fig. 8
- eine schematische Querschnittansicht durch eine andere Ausführungsform einer erfindungsgemäß ausgebildeten Einrichtung zur spanlosen Ausbildung eines Profils an einem Längsprofil einer Vorrichtung nach der Fig. 1, und
- Fig. 9A bis 9E
- schematische Darstellungen eines Ausführungsbeispiels eines möglichen Verfahrensablauf zur kontinuierlichen Herstellung von Werkstücken aus einem Längsprofil mittels einer Vorrichtung nach der Erfindung.
Claims (35)
- Verfahren zur kontinuierlichen Herstellung von Werkstükken (12, 12', 12'') aus Aluminium und/oder Aluminium enthaltenden Legierungen aus einem unprofilierten Längsprofil (14, 14'), bei welchem das unprofilierte Längsprofil (14, 14') zunächst durch mindestens eine wenigstens teilweise mit einem Außenprofil (24, 24') versehene Walze (20, 20', 20'') zumindest teilweise beaufschlagt wird, derart, dass die behandelte Oberfläche (16, 16') des Längsprofils (14, 14') unter Druckeigenspannungen und die unter der behandelten Oberfläche (16, 16') liegenden Zonen des Längsprofils (14, 14') unter Zugeigenspannungen in axialer und tangentialer Richtung gesetzt werden, das unter Druckeigenspannungen gesetzte Längsprofil (14, 14') dann zumindest teilweise durch mindestens eine weitere Walze (70, 80) spanlos mit einem Profil versehen wird und schließlich ein zumindest teilweise mit einem Profil versehener Abschnitt des Längsprofils (14, 14') zur Bildung eines profilierten Werkstücks (12, 12', 12'') von dem Längsprofil (14, 14') abgetrennt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Längsprofil (14, 14') durch die Beaufschlagung durch die mindestens eine wenigstens teilweise mit einem Außenprofil (24, 24') versehene Walze (20, 20', 20'') in axialer Richtung bewegt wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Längsprofil (14, 14') durch mindestens eine, insbesondere zwei jeweils, wenigstens teilweise mit einem Außenprofil (24, 24') versehene Walze/n (20, 20', 20''') aufeinanderfolgend in entgegengesetzter Richtung beaufschlagt wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Längsprofil (14, 14') mit einer runden Oberfläche (16) durch mindestens eine wenigstens teilweise mit einem Außenprofil (24, 24') versehene Walze (20, 20', 20'''), die parallel zum Längsprofil (14, 14') angeordnet und um deren Längsachse (22, 22', 22''') sowie um das Längsprofil (14, 14') drehbar ist, beaufschlagt wird.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Längsprofil (14, 14') mit wenigstens einer Bohrung (16') oder dergleichen Ausnehmung durch mindestens eine wenigstens teilweise mit einem Außenprofil (24, 24') versehene Walze (20, 20'), die parallel zur Bohrung (16') oder dergleichen Ausnehmung angeordnet und um deren Längsachse (22, 22') sowie in der Bohrung (16') oder dergleichen Ausnehmung drehbar ist, beaufschlagt wird.
- Verfahren nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass das Längsprofil (14, 14') durch eine wenigstens teilweise mit einem Außenprofil (24, 24') versehene Walze (20, 20', 20''') und wenigstens eine, insbesondere zwei, im Wesentlichen unprofilierte Walze/n (20''), die um das Längsprofil (14, 14') bzw. in der wenigstens einen Bohrung (16') oder dergleichen Ausnehmung angeordnet sind, beaufschlagt wird.
- Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass das Längsprofil (14, 14') durch eine Walze (20''') mit einem Außenprofil (24, 24') in Form von zu der Längsachse (22''') der Walze (20''') in einem Winkel (α, α') angeordneten ringförmigen Wülsten (26) und Ausnehmungen (28) bearbeitet wird, wobei insbesondere die zu der Längsachse (22''') der Walze (20''') in einem Winkel (α, α') angeordneten ringförmigen Wülste (26) und Ausnehmungen (28) der Walze (20, 20') eine zueinander im Wesentlichen entgegengesetzte Vorlaufstellung aufweisen.
- Verfahren nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass das Längsprofil (14, 14') durch zwei jeweils wenigstens teilweise mit einem Außenprofil (24, 24') versehene Walzen (20, 20') und eine im Wesentlichen unprofilierte Walze (20''), die um das Längsprofil (14, 14') bzw. in der wenigstens einen Bohrung (16') oder dergleichen Ausnehmung angeordnet sind, beaufschlagt wird.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass das Längsprofil (14, 14') durch zwei Walzen (20, 20') mit einem Außenprofil (24, 24') in Form von zu den Längsachsen (22, 22') der Walzen (20, 20') in einem Winkel (α, α') angeordneten ringförmigen Wülsten (26) und Ausnehmungen (28) bearbeitet wird.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass die zwei Walzen (20, 20') in gleicher Drehrichtung angetrieben werden, wenn die zu den Längsachsen (22, 22') der Walzen (20, 20') in einem Winkel (α, α') angeordneten ringförmigen Wülste (26) und Ausnehmungen (28) der zwei Walzen (20, 20') eine zueinander im Wesentlichen entgegengesetzte Vorlaufstellung aufweisen.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass die zwei Walzen (20, 20') in entgegengesetzter Drehrichtung angetrieben werden, wenn die zu den Längsachsen (22, 22') der Walzen (20, 20') in einem Winkel (α, α') angeordneten ringförmigen Wülste (26) und Ausnehmungen (28) der zwei Walzen (20, 20') eine zueinander im Wesentlichen gleiche Vorlaufstellung aufweisen.
- Verfahren nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass das unter Eigenspannungen gesetzte Längsprofil (14, 14') oberflächenseitig verdichtet wird.
- Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass die Oberfläche (16, 16') des unter Eigenspannungen gesetzten Längsprofils (14, 14') bis zu einer Oberflächentiefe von etwa 100 µm, insbesondere von etwa 1 bis 20 µm und vorzugsweise von etwa 1 µm verdichtet wird.
- Verfahren nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass das unter Eigenspannungen gesetzte Längsprofil (14, 14') zumindest teilweise durch wenigstens eine Profilwalze (70) mit einem Profil versehen wird.
- Verfahren nach Anspruch 14, dadurch gekennzeichnet, dass das unter Eigenspannungen gesetzte Längsprofil (14, 14') durch die wenigstens eine Profilwalze (70) mit einem Zapfenprofil (74) versehen wird.
- Verfahren nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass das unter Eigenspannungen gesetzte Längsprofil (14, 14') zumindest teilweise durch wenigstens eine Rillenwalze (80) mit einem Gewinde (81) versehen wird.
- Verfahren nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, dass ein Ende (80) einer Bohrung (16') oder dergleichen Ausnehmung eines Längsprofils (14, 14') oder das vorlaufende Ende (88) eines hohlprofilierten Längsprofils (14, 14') durch wenigstens eine Profilwalze (70) mit einer Umbördelung (86) versehen wird.
- Verfahren nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, dass das Längsprofil (14, 14') zu einem verkürzten Längsprofil (14, 14') abgelängt wird.
- Verfahren nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet, dass der abgetrennte Abschnitt des Längsprofils (14, 14') und/oder das verkürzte Längsprofil (14, 14') im Bereich der Abtrennung oberflächenbehandelt wird.
- Verfahren nach einem der Ansprüche 1 bis 19, dadurch gekennzeichnet, dass das unter Eigenspannungen gesetzte Längsprofil (14, 14') und/oder das Werkstück (12, 12', 12'') oder die wenigstens teilweise behandelte Oberfläche (16) bzw. die wenigstens eine behandelte Bohrung (16') oder dergleichen Ausnehmung des Längsprofils (14, 14') und/oder des Werkstücks (12, 12', 12'') mit einem Überzug aus Metall, wie Chrom, Kupfer oder dergleichen, und/oder aus einer Metallegierung und/oder aus einer Farbe und/oder aus Kunststoff beschichtet und/oder eloxiert und/oder galvanisiert und/oder gebeizt wird.
- Vorrichtung zur kontinuierlichen Herstellung von Werkstücken (12, 12', 12'') aus einem unprofilierten Längsprofil (14, 14') mit einer runden Oberfläche (16) zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 20, die eine Einrichtung (18) zur Erzeugung von Eigenspannungen in dem unprofilierten Längsprofil (14, 14') mit drei parallel und um das Längsprofil (14, 14') angeordneten Walzen (20, 20', 20'', 20'''), welche wenigstens teilweise mit einem das Längsprofil (14, 14') beaufschlagenden Außenprofil (24, 24') in Form von zu der Längsachse (22, 22', 22''') der Walze (20, 20', 20''') in einem Winkel (α, α') angeordneten ringförmigen Wülsten (26) und Ausnehmungen (28) versehen und jeweils einzeln um deren Längsachsen (22, 22', 22'', 22''') sowie gemeinsam um das Längsprofil (14, 14') drehbar sind, eine Einrichtung (68) zur spanlosen Ausbildung eines Profils an dem unter Eigenspannungen gesetzten Längsprofil (14, 14') mit mindestens einer weiteren Walze (70, 80) und eine Einrichtung (82) zur Abtrennung eines mit einem Profil versehenen Abschnittes des Längsprofils (14, 14') zur Bildung eines profilierten Werkstücks (12, 12', 12'') von dem Längsprofil (14, 14') umfasst.
- Vorrichtung zur kontinuierlichen Herstellung von Werkstücken (12, 12', 12'') aus einem unprofilierten Längsprofil (14, 14') mit wenigstens einer Bohrung (16') oder dergleichen Ausnehmung zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 20, die eine Einrichtung (18) zur Erzeugung von Eigenspannungen in dem unprofilierten Längsprofil (14, 14') mit mindestens zwei, insbesondere drei, parallel und in der Bohrung (16') oder dergleichen Ausnehmung angeordneten Walzen (20, 20', 20", 20'''), welche wenigstens teilweise mit einem die Bohrung (16') oder dergleichen Ausnehmung beaufschlagenden Außenprofil (24, 24') in Form von zu der Längsachse (22, 22', 22''') der Walze (20, 20', 20''') in einem Winkel (α, α') angeordneten ringförmigen Wülsten (26) und Ausnehmungen (28) versehen und jeweils einzeln um deren Längsachsen (18, 22', 22'', 22''') sowie gemeinsam in der Bohrung (16') oder dergleichen Ausnehmung des Längsprofils (14, 14') drehbar sind, eine Einrichtung (68) zur spanlosen Ausbildung eines Profils an dem unter Eigenspannungen gesetzten Längsprofil (14, 14') mit mindestens einer weiteren Walze (70, 80) und eine Einrichtung (82) zur Abtrennung eines mit einem Profil versehenen Abschnittes des Längsprofils (14, 14') zur Bildung eines profilierten Werkstücks (12, 12', 12'') von dem Längsprofil (14, 14') umfasst.
- Vorrichtung nach Anspruch 21 oder 22, dadurch gekennzeichnet, dass die Einrichtung (18) zur Eigenspannungserzeugung mindestens eine Walze, insbesondere zwei, Walzen (20, 20', 20'') mit einem das Werkstück (12, 12'') beaufschlagenden Außenprofil (24, 24') aufweist.
- Vorrichtung nach Anspruch 23, dadurch gekennzeichnet, dass die übrigen Walzen, insbesondere eine Walze (20''), unprofiliert ausgebildet sind/ist.
- Vorrichtung nach einem der Ansprüche 21 bis 24, dadurch gekennzeichnet, dass die mindestens eine, insbesondere zwei, Walze/n (20, 20', 20''') wenigstens teilweise mit einem das Werkstück (12, 12'') aufeinanderfolgend in entgegengesetzter Richtung beaufschlagenden Außenprofil (24, 24') versehen sind.
- Vorrichtung nach Anspruch 25, dadurch gekennzeichnet, dass die eine Walze (20''') mit einem Außenprofil (24, 24') in Form von zu der Längsachse (22''') der Walze (20''') in einem Winkel (α, α') angeordneten ringförmigen Wülsten (26) und Ausnehmungen (28) mit einer zueinander im Wesentlichen entgegengesetzten vorlaufstellung versehen ist.
- Vorrichtung nach Anspruch 26, dadurch gekennzeichnet, dass zwei zueinander benachbarte Walzen (20, 20') mit einem Außenprofil (24, 24') bei im Wesentlichen entgegengesetzter Vorlaufstellung der Wülste (26) und Ausnehmungen (28) in gleicher Drehrichtung und bei im Wesentlichen gleicher Vorlaufstellung der Wülste (26) und Ausnehmungen (28) in entgegengesetzter Drehrichtung antreibbar sind.
- Vorrichtung nach einem der Ansprüche 21 bis 27, dadurch gekennzeichnet, dass der Einrichtung (18) zur Eigenspannungserzeugung eine Einrichtung (56) zur Verdichtung der Oberfläche des unter Eigenspannungen gesetzten Längsprofils (14, 14') nachgeordnet ist.
- Vorrichtung nach einem der Ansprüche 21 bis 28, dadurch gekennzeichnet, dass die Einrichtung (66) zur spanlosen Ausbildung eines Profils an dem unter Eigenspannungen gesetzten Längsprofil (14, 14') wenigstens eine Profilwalze (70) umfasst.
- Vorrichtung nach einem der Ansprüche 21 bis 29, dadurch gekennzeichnet, dass die Einrichtung (68) zur spanlosen Ausbildung eines Profils an dem unter Eigenspannungen gesetzten Längsprofil (14, 14') wenigstens eine Rillenwalze (80) zur Bildung eines Gewindes (81) umfasst.
- Vorrichtung nach einem der Ansprüche 21 bis 30, dadurch gekennzeichnet, dass eine Schneideeinrichtung (66, 82) zur Ablängung des Längsprofils (14, 14') vorgesehen ist.
- Verwendung eines Verfahrens und/oder einer Vorrichtung nach einem der vorhergehenden Ansprüche zur kontinuierlichen Herstellung von Werkstücken (12, 12', 12'') aus Aluminium und/oder Aluminium enthaltenden Legierungen, wie AlMg4,5Mn, AlMgSi0,5, AlMgSi, AlMg5, AlZn4,5Mg, AlCuMg, AlCuMg2, AlZnMgCu0,5, AlZnMgCu1,5, AlCuMgPb, daraus.
- Verwendung eines Verfahrens und/oder einer Vorrichtung nach einem der vorhergehenden Ansprüche zur kontinuierlichen Herstellung von profilierten, insbesondere gehärteten und/oder beschichteten, Werkstücken (12, 12', 12'') mit runder Oberfläche (16) aus Vollmaterial, insbesondere von Stangen, Kolbenstangen, Achsen, Wellen, Kurbelwellen, Nockenwellen oder sonstigen länglichen Bauteilen, mit oder ohne Zapfen und/oder mit oder ohne Gewindeabschnitten.
- Verwendung des Verfahrens und/oder der Vorrichtung nach einem der vorhergehenden Ansprüche zur Herstellung von, insbesondere gasdichten, hydraulischen Feder- bzw. Dämpfungselementen, vorzugsweise von Gas- und/oder Flüssigkeitsfedern, bevorzugt aus Aluminium und/oder einer Aluminium enthaltenden Legierung.
- Verwendung eines Verfahrens und/oder einer Vorrichtung nach einem der Ansprüche 1 bis 3 und 5 bis 20 sowie 22 bis 31 zur kontinuierlichen Herstellung von profilierten, insbesondere gehärteten und/oder beschichteten, Werkstükken (12') mit Bohrungen (16') oder dergleichen Ausnehmungen, insbesondere von Durchgangsbohrungen und/oder Sacklochbohrungen, aus rohrförmigem Material, insbesondere von Rohren.
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DE10059021 | 2000-11-28 | ||
DE10059021A DE10059021C2 (de) | 2000-11-28 | 2000-11-28 | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Werkstücken aus einem unprofilierten Längsprofil sowie deren Verwendung |
PCT/EP2001/013899 WO2002043896A1 (de) | 2000-11-28 | 2001-11-28 | Verfahren und vorrichtung zur kontinuierlichen herstellung von werkstücken aus einem unprofilierten längsprofil sowie deren verwendung |
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AT (1) | ATE282491T1 (de) |
AU (1) | AU2002227956A1 (de) |
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Cited By (1)
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DE102006031564A1 (de) * | 2006-07-07 | 2008-01-10 | Gesenkschmiede Schneider Gmbh | Verfahren zur Herstellung eines rotationssymmetrischen Teils, insbesondere Welle |
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ES2639363T3 (es) | 2010-02-12 | 2017-10-26 | Hilti Aktiengesellschaft | Método para la formación de anclas |
CN108214240A (zh) * | 2018-01-20 | 2018-06-29 | 东莞坤胜五金制品有限公司 | 一种冲床自动化生产流水线 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US2060087A (en) * | 1934-06-02 | 1936-11-10 | Timken Roller Bearing Co | Mill for rolling articles of circular section and irregular profile |
DE1111660B (de) * | 1953-06-11 | 1961-07-27 | Dr Tadeusz W Wlodek | Verfahren und Vorrichtung zum Aufbau eines dem Belastungs-spannungszustand entgegengerichteten inneren Eigenspannungszustandes in hochbeanspruchten Bauelementen aus Metallen durch plastische Verformung ihrer Oberflaeche |
US3656332A (en) * | 1957-06-19 | 1972-04-18 | Rotary Profile Anstalt | Metal working |
FR1367887A (fr) * | 1963-08-21 | 1964-07-24 | Smeralovy Zd Y Narodni Podnik | Dispositif pour le façonnage de pièces de révolution par laminage entre des cylindres transversaux à intervalle en coin |
FR2414375A1 (fr) * | 1979-01-12 | 1979-08-10 | Warnke Umformtech Veb K | Procede de laminage transversal de pieces decolletees a symetrie de rotation de forme allongee |
DE3110433A1 (de) * | 1981-03-18 | 1983-02-17 | DIAG-Deutsche Industrieanlagen Gesellschaft mbH Werk Fritz Werner Werkzeugmaschinen, 1000 Berlin | Verfahren und vorrichtung zum umformen von insb. metallischen werkstuecken, wie verzahnungen, wellen, zylindrischen laufflaechen u.a. |
JPH09164446A (ja) * | 1995-12-15 | 1997-06-24 | Sumitomo Metal Ind Ltd | 段付き金属材料の製造方法 |
CZ20011096A3 (cs) * | 1998-09-23 | 2002-01-16 | Kurt Kemper | Způsob a zařízení pro povrchovou úpravu obrobků a jejich pouľití |
-
2000
- 2000-11-28 DE DE10059021A patent/DE10059021C2/de not_active Expired - Fee Related
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2001
- 2001-11-28 WO PCT/EP2001/013899 patent/WO2002043896A1/de not_active Application Discontinuation
- 2001-11-28 EP EP01989532A patent/EP1339511B1/de not_active Expired - Lifetime
- 2001-11-28 AU AU2002227956A patent/AU2002227956A1/en not_active Abandoned
- 2001-11-28 DE DE50104565T patent/DE50104565D1/de not_active Expired - Fee Related
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102006031564A1 (de) * | 2006-07-07 | 2008-01-10 | Gesenkschmiede Schneider Gmbh | Verfahren zur Herstellung eines rotationssymmetrischen Teils, insbesondere Welle |
US8312750B2 (en) | 2006-07-07 | 2012-11-20 | Gesenkschmiede Schneider Gmbh | Method for the production of a rotationally symmetrical part, and part produced according to said method |
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AU2002227956A1 (en) | 2002-06-11 |
DE10059021C2 (de) | 2002-10-24 |
EP1339511A1 (de) | 2003-09-03 |
DE50104565D1 (de) | 2004-12-23 |
WO2002043896A1 (de) | 2002-06-06 |
DE10059021A1 (de) | 2002-06-27 |
ATE282491T1 (de) | 2004-12-15 |
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