EP0683012B1 - Metallwalzmaschine mit gegenüberliegenden Reihen von Klaueneinheiten zum Bearbeiten eines zentrierten Werkstücks und Verfahren zum Walzen von ringförmigen Hohlkehlen eines Werkstücks - Google Patents
Metallwalzmaschine mit gegenüberliegenden Reihen von Klaueneinheiten zum Bearbeiten eines zentrierten Werkstücks und Verfahren zum Walzen von ringförmigen Hohlkehlen eines Werkstücks Download PDFInfo
- Publication number
- EP0683012B1 EP0683012B1 EP95100046A EP95100046A EP0683012B1 EP 0683012 B1 EP0683012 B1 EP 0683012B1 EP 95100046 A EP95100046 A EP 95100046A EP 95100046 A EP95100046 A EP 95100046A EP 0683012 B1 EP0683012 B1 EP 0683012B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crankshaft
- grooves
- rolling
- claw
- machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005096 rolling process Methods 0.000 title claims description 52
- 210000000078 claw Anatomy 0.000 title claims description 46
- 238000000034 method Methods 0.000 title claims description 20
- 238000003754 machining Methods 0.000 title claims description 4
- 239000002184 metal Substances 0.000 title description 2
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 241001136800 Anas acuta Species 0.000 claims 3
- 229910001141 Ductile iron Inorganic materials 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- 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
- B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
- B21H7/18—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons grooved pins; Rolling grooves, e.g. oil grooves, in articles
- B21H7/182—Rolling annular grooves
- B21H7/185—Filet rolling, e.g. of crankshafts
-
- 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
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins
Definitions
- This invention relates to metal working, more specifically to a new and improved one Machine for rolling fillets of metal workpieces and onto one new and improved method for simultaneously rolling all or a number of Fillets of a workpiece such as the fillets of crank pins of an engine crankshaft.
- crank pins and main bearings for downsized crankshafts, as well as crankshafts for larger engines have been fixed by various fillet rolling machines and processes.
- U.S. Patent 5,138,859 to Winkens published August 18, 1992, for a Method and apparatus for multi-stroke crankshaft rolling and deep rolling "discloses a machine unit and method for rolling crankshaft journal grooves to solve the problems that preclude the simultaneous rolling of adjacent crankpins with the available equipment.
- the machine unit and the crankshaft is in a first relative position to one another so that the fillets of a first set of non-adjacent pins can be rolled in.
- the present invention relates to a machine and a method that are similar to those disclosed in copending application No. 176,792
- technology continues to improve. They are suitable for a wide range of applications, in particular those in which simultaneous rolling of the fillets from opposite Sides of the crankshaft is necessary or desired.
- the present invention solves the space problems that many have Facilities occur in which pendulum tools are needed to get close to roll adjacent or adjacent fillets that use bulky currently available equipment for side-by-side rolling difficult or even excludes.
- This invention further relates to a method for simultaneously rolling the fillets a plurality of seats of an elongated engine crankshaft. This method is defined in claim 2.
- Figure 1 shows figuratively part of a machine 10 for rolling the fillets of the seats of a workpiece, which here as angularly offset and adjacent crank pin 12, 14 of an elongated Crankshaft 16 of an internal combustion engine are shown.
- crankshaft 16 is placed in a lathe 17 turning the workpiece or another Mechanism attached, the front end or the flange end 18 of the crankshaft in the chuck of the driving stick 20 and the opposite end on a centering mandrel 24 of the lathe tailstock is attached.
- the cane is selectable by one Motor 30 rotated so that the crankshaft 16 rotates about its axis of rotation 32.
- the fillet rolling machine 10 has left and right side rows 36, 38, each one Have a plurality of oscillating claw units 40, 42. Every swinging claw unit consists of upper and lower claw arms 44, 46 (left side row of the claw units 40) and 48, 50 (right side row of claw units 42) which are rotatable between the inner and outer ends thereof are connected by pivot bolts 52, 54.
- the outer The ends of each pair of arms are functional through individually extendable and contractible pneumatic or hydraulic drive cylinders 56, 58 or other suitable Control actuators connected to the fillet rolls for rolling the Apply pressure to the fillets of the crank pins when expanding.
- Every drive cylinder has a piston with a connecting rod 60 or 62 which rotates with a lower one Arm is connected while the corresponding cylinder tube in a fork shoe 64th or 66 projects rotatably connected to a corresponding upper claw arm 44 or 48 is.
- each claw unit The inner ends of the upper and lower arms of each claw unit are directly aligned opposite and are with upper and lower tools 68, 70 or 72, 74 ( Figure 2) for deep rolling of annular fillets 86, 88 and 90, 92 from angularly offset and adjacent crank pins 12, 14 of the crankshaft 16, which are formed by annular webs 94, 96 are separated.
- the lower tools 70, 74 are on the lower arms of the left and right claw units secured and have pairs of spaced backup rollers 98, 100, which engage and support the pin seats while their fillets be rolled.
- Such lower support tools are more detailed in the pending one U.S. Application No. 176,792.
- Each left side pendulum claw unit 40 and each pendulum claw unit 42 the right side of a corresponding, on the left and right sides of movable upper frame 108, 110 rotatably attached and hanging from them
- Upper swing arm 104, 106 held, with the frame 108, 110 on a straight line Sliding mechanism or on carts 112, 114 ( Figures 5 and 6) are attached run along front and rear horizontal support rails 116, 118.
- the rails 116 are in turn attached to a support beam 120 which is held by stands 122 which are fixed on the floor or a base plate 124.
- Actuators like hydraulic drive cylinders 126, 128 are functional with the left and right frame 108 and 110 connected and can be individually driven to the Frame and the associated rows of oscillating claw units that work are connected between a retracted layer ( Figure 5) for loading and unloading the workpieces and a closed layer ( Figures 6 and 7) for the To move the deep groove deep rolling process.
- a retracted layer Figure 5
- a closed layer Figures 6 and 7
- the drive motor 30 is connected to the chuck of the drive stick 20 and can optionally for rotating driving of the crankshaft 16 about its axis 32.
- the pairs of clamping claws are for swinging operation on swing arms 104, 106 attached rotatably to the upper support structure provided by frames 108, 110 are attached. If the engine rotates the crankshaft for the deep rolling process, oscillate the arms on an arched path and the separate pairs of claws follow the circumference of the radially offset crank pin rotation axis 32 around the fillets to edit and roll this crank pin.
- the rolling pressure is determined by the expansion force the cylinder 56, 58 constructed. As is known in this field, this works Deep rolling of circular fillets to the metallic structure of the fillets to consolidate the fillets and the crankshaft.
- Each of the upper arms 44, 46 on the left and right sides of the claw units worn upper tools 68 and 72 includes a housing that is releasably attached to the upper Claw of each arm is secured by fastening units 48, 150.
- Each case shows a support roller 152, 154, which is seated on needle bearings, which on centrally aligned, hubs 156, 158 attached between the housing side plates are held.
- the hardened fillet rollers e.g. rollers 138, 140 are for rotation about mutually inclined axes A, A 'on the lower sides of the tools by cages such as. Cages 160 and opposing adjustable screws 162 are adjustably attached.
- the cages have pockets 164 formed therein in which the rollers are made of hardened Steel or other suitable materials are arranged to be functional.
- These fillet rollers touch corresponding annular treads 166, 168 in the support rollers so that localized rolling loads are exerted on the fillets by the claw arms can.
- FIG. 3b shows the overlap (shaded connection area F) that between the adjacent and angularly offset crank pins 12 and 14 and on the inner Fillets 88 and 90 with webs occurs.
- the grooves 86, 88 become and 90, 92 first rolled with the tool from FIG. 2, preferably with a changeable one Roll pressure, so that the sheet 12 '(dashed line) and 14' (solid Line) of overlapping with high pressure for deep machining and solidification of the inner Fillets 88 and 90 are rolled in these areas.
- the remaining arcuate Sections of the inner fillets are rolled at a lower pressure, which is sufficient is in order to leave the webs 94, 96 intact.
- outer grooves 86 and 92 are firmly rolled with the tool shown in FIG. 3a, with constant or variable pressure, so that the outer fillets 86th and 92 are completely rolled and consolidated.
- This procedure can also be reversed are, as shown in Figure 3a, the outer fillets first rolled and are fixed, and then the inner grooves 86 and 90 as described can be rolled with variable pressures.
- the machine is shown diagrammatically as a front view, with the Crankshaft 16 with radially offset pins inserted into the one arranged in the middle Lathe, and wherein the rows 36, 38 of the claw units from each other and from the crankshaft are moved away by the operation of the drive cylinders 126, 128, their cylinder tubes are attached to the stands 174, 176, which at their lower ends to the fixed Rails 116, 118 and these in turn are attached to the base plate 124.
- Middle tool lifting sections 180, 182 of control or counterweight cylinders 184, 186 have fork shoes at their upper ends, which are rotatable on eyelets are attached, extending from the upper ends of the stands 190, 192 of the upper frame of the extend left and right rows of claw units and have lower ends, which are rotatably attached to upper claws 44 and 48 at 194, 196.
- the lifting sections can optionally be operated to open the claws of the claw units cause so that the crankshaft, which is fixed in the center lathe 16 is in the ranks of the claw units can be invited when the ranks move to the rolling position of Figure 6.
- the claws of the units are subsequently closed by expanding cylinders 56, 58 while the tool lifting sections 180, 182 of the control or regulation and counterweight units are overridden.
- crank pins are gripped by the tools with a force that small but sufficient to keep the crankshaft from turning.
- the rolling force can during of the rolling can be changed because the crankshaft is driven for as long as possible until the fillet rolling is finished.
- the claws and tools follow the circular one Sway the path of the corresponding pins to be rolled and the connected swing arms or swing back and forth along an arc to make a pendulum motion enable.
- the control or counterweight cylinders 186, 188 which are rotatable is secured between the upper support structure and the lower claw arms, one Stroke change section 196, 198, so that different crankshafts with different crank pin positions can be rolled.
- the cylinders 186, 188 point additional pneumatic spring counterweight sections 200, 202.
- the spring section is similar to a gas spring and is used for the gentle movement of the arms of the claw units while the fillets are being rolled.
- Figure 7 is a top view of the left and right rows of pivot arms, shown in dashed lines Roll the staggered crankpin lines shown in the drawing.
- the left row is for rolling the one set of pegs and the right row is for rolling the one adjacent to the first set of pegs Set of pins provided. Accordingly, according to the invention is sufficient Space available for all fillets and, if desired, the main shaft bearings 210, 212, 214 to be rolled simultaneously in one machine.
- the fillet roller claws of the claw units 216, 218, 220 similar to those disclosed, have tools like those in Figure 2 that are used for rolling the fillets of the main bearings can be used while the stud fillets be rolled.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
- Figur 1
- ist eine bildliche Darstellung, die die Grundzüge einer bevorzugten Ausführungsform der Hohlkehlenwalzmaschine und des Verfahrens gemäß der vorliegenden Erfindung beschreibt;
- Figur 2
- ist eine Schnittansicht, mit einigen Teilen in durchgezogenen Linien, die im wesentlichen entlang der Linien 2-2 aus Figur 1 geschnitten ist und die zeigt, wie die Hohlkehlwalzwerkzeuge die Hohlkehlen von benachbarten, durch Stege von einer Kurbelwelle getrennten Kurbelzapfen walzt;
- Figur 3
- ist eine der Ansicht aus Figur 2 ähnliche Ansicht, die eine andere Ausführungsform von Walzwerkzeugen darstellt, die Hohlkehlen von benachbarten, nicht von Stegen getrennten Kurbelzapfensitzen walzen;
- Figur 3a
- ist eine den Ansichten aus Figur 2 und Figur 3 ähnliche Ansicht, die zeigt, wie das Werkzeug aus Figur 3 dazu verwendet wird, von Stegen getrennte Kurbelzapfen der Kurbel aus Figur 2 zu walzen;
- Figur 3b
- ist ein Diagramm, das die überlappenden Kurbelzapfen aus Figur 3a zeigt;
- Figur 4
- ist eine diagrammartige Seitenansicht des Werkzeugs aus Figur 2, und zwar im wesentlichen entlang der Sichtlinien 4-4 aus Figur 2 genommen;
- Figur 5
- ist eine diagrammartige Vorderansicht der Maschine einer bevorzugten Ausführungsform der Hohlkehlenwalzmaschine dieser Erfindung, die die Reihen der Maschine in einer zurückgezogenen Lage zum Laden oder Entladen des Werkstücks zeigt;
- Figur 6
- ist eine Ansicht ähnlich der aus Figur 5, wobei jedoch die Reihen von der Lage aus Figur 5 nach innen zu einer Bearbeitungslage bewegt worden sind, in der die Hohlkehlenwalzwerkzeuge in die Hohlkehlen der Kurbelwelle eingreifen;
- Figur 7
- ist eine diagrammartige Aufsicht auf einen Abschnitt der Maschine aus Figur 6, und zwar im großen und ganzen entlang der Sichtlinien 7-7 aus Figur 6 genommen;
- Figur 8
- ist eine diagrammartige Seitenansicht eines Teils der Hohlkehlenwalzmaschine aus Figuren 5 und 6, und zwar im großen und ganzen entlang der Linien 8-8 aus Figur 6 genommen.
Claims (3)
- Maschine (10) zum Dauerverfestigen einer duktilen Eisenkurbelwelle (16) für einen Verbrennungsmotor mit einer mittleren Drehachse (32) und einer Mehrzahl von zu dieser Drehachse (32) parallelen Kurbelzapfensitzen (12, 14) durch gleichzeitiges mechanisches Bearbeiten des Materials von aneinanderliegenden und aufeinandergerichteten Hohlkehlen (86, 88, 90, 92) von zylindrischen Kurbelzapfensitzen (12, 14), wobei die Maschine (10) umfaßt: erste und zweite Halterungen(108, 110), erste und zweite Schwingarme (104, 106), die ersten und zweiten Schwingarme (104, 106) an den ersten und zweiten Halterungen (108, 110) funktionsfähig verbindende erste und zweite Drehbolzen, erste und zweite Klemmklauensätze (40, 42), die sich seitlich von gegenüberliegenden Seiten der Kurbelwelle auf die Kurbelwelle hin erstrecken, wobei jeder Klauensatz (40,42) eine untere Klaue (46, 50) und eine obere Klaue (44, 48) und einen Drehbolzen (52, 54) aufweist, der die untere Klaue (46, 50) und die obere Klaue (44, 48) drehbar aneinander befestigt, wobei jeder der Klauensätze (40, 42) eine Werkzeughalterung zum Halten der Werkzeuge (68, 70, 72, 74) für die gleichzeitige Bearbeitung des Materials von aneinanderliegenden und aufeinandergerichteten Hohlkehlen (86, 88, 90, 92) der Kurbelzapfensitze (12, 14) durch Drehung der Kurbelwelle (16) um die Drehachse (32) aufweist, wodurch der den entsprechenden Klauensatz ((40,42) stützende Schwingarm (104, 106) auf dem Drehbolzen schwingt und in einem Winkel pendelt, während sich die Klauen (44, 48) jedes der Klauensätze (40,42) um den entsprechenden Kurbelzapfensitz (12, 14) herum bewegen.
- Verfahren zum gleichzeitigen Walzen der Hohlkehlen (86, 88, 90, 92) einer Mehrzahl von Sitzen einer länglichen Verbrennungsmotorkurbelwelle (16) mit einer Drehachse (32) und mit einer Mehrzahl von Paaren von nebeneinanderliegenden Kurbelzapfensitzen (12, 14), umfassend die Verfahrensschritte:a. Einsetzen eines Endes der Kurbelwelle (16) in den Treibstock (20) einer motorbetriebenen Kurbelwellendrehmaschine (10) und Einsetzen des anderen Endes in eine Stütze der Maschine, so daß die Kurbelwelle (16) durch die Maschine (10) um ihre Drehachse (32) herum angetrieben werden kann,b. Anordnen von linken und rechten Hohlkehlenwalzmaschinen (36, 38), die jeweils eine Mehrzahl von Paaren von länglichen und drehbar verbundenen Hebelarmen (104, 106) auf der linken und rechten Seite der Kurbelwelle (16) aufweisen, so daß die Hebelarme (104, 106) sich im großen und ganzen quer zu der Achse (32) der Kurbelwelle (16) erstrecken, und so daß die Kurbelwelle (16) in die Drehmaschine (10) eingesetzt werden kann,c. Hinbewegen der linken und rechten Hohlkehlenwalzmaschinen (36, 38) aus ihren anfänglichen Lage auf die Kurbelwelle (16) zu einer Lage, in der die auf den Enden der Hebelarme (104, 106) getragenen Werkzeuge (68, 70, 72, 74), die Paare von Zapfensitzen (12, 14) berühren,d. Aufbringen einer Last auf die Zapfensitze (12, 14) durch die Hebelarme (104, 106) und das Werkzeug (68, 70, 72, 74),e. Antreiben der Maschine (10) zum Drehen der Kurbelwelle (16), so daß das Werkzeug (68, 70, 72, 74) die Hohlkehlen (86, 88, 90, 92) der Mehrzahl von Paaren von Zapfensitzen walzt und gleichzeitig bearbeitet,f. Öffnen der Hebelarme (104, 106) und Entfernen der gewalzten Kurbelwelle (16) aus der Maschine (10).
- Verfahren nach Anspruch 2 zum Festwalzen der Hohlkehlen (86, 88, 90, 92) eines Paares von überlappenden und winklig versetzten Kurbelzapfen (12, 14) einer Kurbelwelle (16) für einen Verbrennungsmotor, wobei die Kurbelzapfen (12, 14) Paare von inneren Kurbelzapfenhohlkehlen (88,90) mit einem Steg (94,96) dazwischen und äußere Kurbelzapfenhohlkehlen (86,92) aufweisen, umfassend die Verfahrensschritte:Festwalzen der inneren Hohlkehlen (88, 90) jeder der Kurbelzapfen (12, 14), wobei der winklige Überlappungsbereich der inneren Kurbelzapfenhohlkehlen (88, 90) mit einem höheren Druck gewalzt wird, als die verbleibenden Winkelabschnitte, um die Unversehrtheit der Stege zu optimieren,anschließendes Festwalzen der äußeren Hohlkehlen (86, 92) der Kurbelzapfensitze (12, 14) mit im wesentlichen konstantem Druck zum vollständigen Verfestigen der äußeren Hohlkehlen (86, 92) und der Kurbelwelle (16).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US242262 | 1994-05-13 | ||
US08/242,262 US5495738A (en) | 1994-05-13 | 1994-05-13 | Metal rolling machine with opposing banks of jaw units for working a centered workpiece and method of rolling annular fillets of workpieces |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0683012A1 EP0683012A1 (de) | 1995-11-22 |
EP0683012B1 true EP0683012B1 (de) | 1998-08-19 |
Family
ID=22914092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95100046A Expired - Lifetime EP0683012B1 (de) | 1994-05-13 | 1995-01-03 | Metallwalzmaschine mit gegenüberliegenden Reihen von Klaueneinheiten zum Bearbeiten eines zentrierten Werkstücks und Verfahren zum Walzen von ringförmigen Hohlkehlen eines Werkstücks |
Country Status (4)
Country | Link |
---|---|
US (1) | US5495738A (de) |
EP (1) | EP0683012B1 (de) |
CA (1) | CA2149182C (de) |
DE (1) | DE59503228D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10230526A1 (de) * | 2002-07-05 | 2004-01-22 | Hegenscheidt-Mfd Gmbh & Co. Kg | Festwalzrollenkopf |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5575167A (en) * | 1994-01-03 | 1996-11-19 | Hegenscheidt Corporation | Deep rolling split-pin fillets of crankshafts |
US5806184A (en) * | 1996-08-21 | 1998-09-15 | Lonero Engineering Company, Inc. | Process to manufacture upper work roll products |
US5699692A (en) * | 1996-10-30 | 1997-12-23 | Lonero Engineering Co., Inc. | Tool mechanisms for deep rolling machines |
DE19722308C1 (de) * | 1997-05-28 | 1998-04-16 | Hegenscheidt Mfd Gmbh | Festwalzmaschine für Kurbelwellen |
US6272896B1 (en) | 1999-12-23 | 2001-08-14 | Daimlerchrysler Corporation | Secondary (back-up) roller design for the fillet rolling of the crankshaft |
US6253590B1 (en) * | 2000-04-25 | 2001-07-03 | Lonero Engineering Company | Deep rolling tool mechanism with novel pin supported cage design |
DE60144109D1 (de) * | 2000-11-22 | 2011-04-07 | Ingersoll Cm Systems Inc | Vorrichtung und verfahren für das walzen von werkstücken |
DE50204743D1 (de) | 2001-05-28 | 2005-12-08 | Hegenscheidt Mfd Gmbh & Co Kg | Vorrichtung zum Festwalzen von Einstichen und Radien der Lagerstellen von Kurbelwellen |
US6786073B2 (en) * | 2002-08-02 | 2004-09-07 | Ingersoll Cm Systems Llc | Apparatus and method for rolling crankshafts having split-pin bearings |
DE10357441B3 (de) * | 2003-12-09 | 2005-03-24 | Hegenscheidt-Mfd Gmbh & Co. Kg | Festwalzrollenkopf für Split-Pin-Kurbelwellen |
US7188500B2 (en) * | 2004-06-01 | 2007-03-13 | Ingersoll Cm Systems Llc | Apparatus and method of rolling split pin crankshafts |
US7188497B2 (en) * | 2005-04-07 | 2007-03-13 | International Engine Intellectual Property Company, Llc | Method for straightening an eccentric shaft |
US7588397B2 (en) * | 2005-08-31 | 2009-09-15 | Ingersoll Cm Systems Llc | Method and apparatus for machining crankshafts or camshafts |
DE202006014371U1 (de) * | 2006-09-15 | 2007-03-08 | Hegenscheidt-Mfd Gmbh & Co. Kg | Festwalzmaschine für Kurbelwellen |
CN104191158A (zh) * | 2014-08-08 | 2014-12-10 | 滨州海得曲轴有限责任公司 | 一种曲轴滚压装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3037688C2 (de) * | 1980-10-06 | 1982-12-02 | Wilhelm Hegenscheidt, Gmbh, 5140 Erkelenz | Verfahren zum Festwalzen von Kurbelwellen |
US4870845A (en) * | 1986-05-02 | 1989-10-03 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Working apparatus for crankshaft |
DE59004629D1 (de) * | 1990-06-15 | 1994-03-24 | Hegenscheidt Gmbh Wilhelm | Verfahren zum Glatt- bzw Festwalzen von mehrhübigen Kurbelwellen und Maschine zur Durchführung des Verfahrens. |
-
1994
- 1994-05-13 US US08/242,262 patent/US5495738A/en not_active Expired - Lifetime
-
1995
- 1995-01-03 DE DE59503228T patent/DE59503228D1/de not_active Expired - Fee Related
- 1995-01-03 EP EP95100046A patent/EP0683012B1/de not_active Expired - Lifetime
- 1995-05-11 CA CA002149182A patent/CA2149182C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10230526A1 (de) * | 2002-07-05 | 2004-01-22 | Hegenscheidt-Mfd Gmbh & Co. Kg | Festwalzrollenkopf |
Also Published As
Publication number | Publication date |
---|---|
CA2149182C (en) | 2001-07-10 |
DE59503228D1 (de) | 1998-09-24 |
EP0683012A1 (de) | 1995-11-22 |
US5495738A (en) | 1996-03-05 |
CA2149182A1 (en) | 1995-11-14 |
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