DE1034932B - Process for the manufacture of needle roller bearings with a cage axially positioned between hardened ribs - Google Patents
Process for the manufacture of needle roller bearings with a cage axially positioned between hardened ribsInfo
- Publication number
- DE1034932B DE1034932B DEI12771A DEI0012771A DE1034932B DE 1034932 B DE1034932 B DE 1034932B DE I12771 A DEI12771 A DE I12771A DE I0012771 A DEI0012771 A DE I0012771A DE 1034932 B DE1034932 B DE 1034932B
- Authority
- DE
- Germany
- Prior art keywords
- cage
- roller bearings
- needle roller
- sleeve
- manufacture
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011090 solid board Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
-
- 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
- B21K1/04—Making machine elements ball-races or sliding bearing races
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/466—Needle bearings with one row or needles comprising needle rollers and an outer ring, i.e. subunit without inner ring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/54—Cages for rollers or needles made from wire, strips, or sheet metal
- F16C33/542—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal
- F16C33/543—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal from a single part
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
Verfahren zur Herstellung von Nadellagern mit axial zwischen gehärteten Borden liegendem Käfig Bei Nadellagern, deren Wälzkörper einen geringen Durchmesser von etwa 1 bis 5 mm haben, hat die in den letzten Jahren entwickelte Einzelführung der Nadeln im Käfig eine bedeutende Verbesserung dieses raumsparenden und hoch belastbaren Lagers ergeben. Aus Festigkeitsgründen wird eine möglichst große Wandstärke für den Käfig und eine axiale Führung zwischen den Borden angestrebt. Die Führung des Käfigs auf den Borden, wie sie bei Zylinderrollenlagern üblich ist und einen einfachen Einbau des Käfigs gestattet, erfordert bei Nadellagern sehr geringe Käfigwandstärke. Andererseits bieten Laufringe mit festen, gehärteten Borden erhebliche Vorteile. Verschiedene Ausführungsformen zur Verwirklichung der günstigen Kombination eines dickwandigen Käfigs zwischen festen, gehärteten Borden an den Laufringen sind bekanntgeworden. Es werden z. B. geteilte Käfige zwischen die Borde eingelegt oder Borde nach dem Einlegen des Käfigs im weichen Zustand angeformt und nachträglich gehärtet. Die diesem Verfahren anhaftenden Schwierigkeiten sind leicht erkennbar.Process for the production of needle roller bearings with axially hardened between Borden horizontal cage For needle roller bearings whose rolling elements have a small diameter from about 1 to 5 mm has the single guide developed in recent years the needles in the cage a significant improvement in this space-saving and highly resilient Bearing surrendered. For reasons of strength, the greatest possible wall thickness for aimed at the cage and an axial guide between the shelves. The leadership of the Cage on the rims, as is common with cylindrical roller bearings, and a simple one Installation of the cage permitted, requires a very small cage wall thickness for needle roller bearings. On the other hand, race rings with solid, hardened ribs offer considerable advantages. Various embodiments for realizing the favorable combination of a thick-walled cage between solid, hardened rims on the races have become known. There are z. B. divided cages inserted between the shelves or shelves after Insertion of the cage in the soft state, molded and subsequently hardened. the The difficulties inherent in this process are readily apparent.
Die Erfindung hat es sich nun zur Aufgabe gestellt, ein Nadellager mit axial zwischen gehärteten Borden liegendem Käfig nach einem besonders wirtschaftlichen Verfahren herzustellen. Das neue Herstellungsverfahren für Nadellager mit axial zwischen gehärteten Borden liegendem Käfig besteht darin, daß der Käfig in die ungehärtete, zumindest auf einer Seite zunächst bordlose Hülse eingesetzt wird. Dann wird an der offenen Seite der Bord angeformt und Hülse mit Käfig gleichzeitig auf Härtetemperatur erhitzt und abgeschreckt. Die Laufhülse für ein solches Nadellager wird spanabhebend oder zweckmäßigerweise spanlos, zumindest in ihrer Bohrung maßhaltig und mit erforderlicher Oberflächengüte angefertigt. Bei spanloser Herstellung durch Tiefziehen wird einseitig ein Bord mit angeformt, während die zweite Seite zunächst bordlos ist. An dieser werden Vorkehrungen zum Anformen des zweiten Bordes getroffen. Der fertig in seine Endform gebrachte Käfig wird in die Laufhülse eingeschoben und der fehlende Bord danach angeformt. Bei anderen Herstellungsverfahren, z. B. vom Rohr ausgehend, können beide Borde nach dem Einbau des Käfigs angeformt werden. Hülse mit Käfig aus geeignetem Werkstoff werden dann gleichzeitig auf Härtetemperatur erhitzt und dabei durch geeignete Maßnahmen vor Oxydation geschützt und abgeschreckt. Durch die vorhandenen Fenster des Käfigs ist eine verminderte Abschreckwirkung und geringere Härte der Laufbahn nicht zu befürchten.The invention has now set itself the task of a needle bearing with a cage lying axially between hardened ribs for a particularly economical one Process to manufacture. The new manufacturing process for needle roller bearings with axial cage lying between hardened ribs consists in the fact that the cage is inserted into the unhardened, At least on one side, a rimless sleeve is first used. Then will on molded on the open side of the board and the sleeve with cage at the same time to hardening temperature heated and quenched. The barrel for such a needle bearing is machined or expediently without cutting, at least dimensionally accurate in its bore and with the required Surface quality made. In the case of non-cutting production by deep drawing, it is one-sided a board is molded on, while the second side is initially bordless. At this precautions are taken to mold the second shelf. The finished in his The final shape of the cage is pushed into the barrel and the missing board then molded. In other manufacturing processes, e.g. B. starting from the pipe, can both shelves are molded after the cage has been installed. Sleeve with cage made of suitable Material are then heated to the hardening temperature at the same time and by means of suitable Measures protected and deterred from oxidation. Through the existing windows of the cage is a reduced quenching effect and lower hardness of the raceway not to fear.
Nach einem weiteren Merkmal der Erfindung werden Nadellager mit axial zwischen den gehärteten Borden liegendem Käfig in der Weise hergestellt, daß die Hülse und der Käfig zunächst getrennt an ihrer Oberfläche in bekannter Weise aufgekohlt werden, um dann in der oben bereits beschriebenen Weise nach dem Einbau des Käfigs in die Hülse und nach dem Umlegen des noch offenen Bordes gemeinsam gehärtet zu werden.According to a further feature of the invention, needle roller bearings are axially Cage lying between the hardened edges is made in such a way that the The sleeve and the cage are first carburized separately on their surface in a known manner then in the manner already described above after the installation of the cage in the sleeve and hardened together after the still open board has been folded down will.
Zur Erzielung optimaler Eigenschaften ist es zweckmäßig, für Laufring und Käfig den gleichen Werkstoff zu verwenden, so daß die Härtetemperatur für beide Teile optimal gewählt werden kann.In order to achieve optimal properties, it is useful for the raceway and cage to use the same material, so that the hardening temperature for both Parts can be chosen optimally.
Da die Nadeln in einem solchen Lager von innen in die Fenster eingefedert werden müssen, ist es besonders vorteilhaft, die Stege des Käfigs so zu gestalten, daß die Teile, welche die Nadeln nach innen halten, beim Eindrücken der Nadeln radial nach außen elastisch etwas ausweichen können, so daß der Abstand von Steg zu Steg momentan etwas größer und das Einlegen der Nadeln erleichtert wird.Because the needles in such a camp are spring-loaded into the window from the inside need to be, it is particularly advantageous to design the bars of the cage so that that the parts which hold the needles inward are radial when the needles are pushed in can move elastically to the outside somewhat, so that the distance from web to web currently a bit larger and the insertion of the needles is made easier.
Nach dem geschilderten Verfahren können auch Innenlaufringe mit Außenborden und Käfig in analoger Weise behandelt werden.According to the method described, inner races with outer flanges can also be produced and cage are treated in an analogous manner.
Einzelheiten der Erfindung werden beispielsweise an Hand der Zeichnung erläutert. Es zeigt Fig. 1 eine einseitig offene Nadelhülse mit eingeschobenem Käfig im Axialschnitt, Fig.2 die gleiche Nadelhülse mit eingelegtem Käfig nach Umformen des zweiten Bordes im Axialschnitt. In Fig. 1 ist 1 die Laufhülse, welche z. B. im Ziehverfahren mit einem festen Bord 2 hergestellt ist. Auf der offenen Seite der Hülse ist durch eine Stufe 3 Vorsorge für das Bördeln des zweiten Bordes getroffen. Der Käfig 4 kann so leicht in die Hülse eingelegt werden, gegebenenfalls mit den darin eingelegten Nadeln. An der Hülse 1 der Fig. 2 ist der zweite Bord 5 angeformt, so daß der Käfig 4 axial zwischen den Borden 2 und 5 liegt. Beide Teile werden gemeinsam auf Temperatur gebracht und abgeschreckt.Details of the invention are illustrated, for example, with reference to the drawing explained. 1 shows a needle sleeve open on one side with an inserted cage in axial section, FIG. 2, the same needle sleeve with an inserted cage after reshaping of the second rim in axial section. In Fig. 1, 1 is the barrel sleeve which, for. B. is made in the drawing process with a solid board 2. On the open side the sleeve is made by a step 3 provision for the flanging of the second rim. The cage 4 can be easily inserted into the sleeve, if necessary with the needles inserted in it. On the sleeve 1 of FIG. 2 is the second Board 5 is formed so that the cage 4 lies axially between the boards 2 and 5. Both Parts are brought to temperature together and quenched.
Aus Fig. 1 und 2 ist gleichzeitig ersichtlich, daß der Käfig 4 radial nach innen durchgekröpft ist. Dies erleichtert das Einfedern der Nadeln in die Fenster in an sich bekannter Weise.From Fig. 1 and 2 it can be seen at the same time that the cage 4 is radial is cranked inwards. This makes it easier for the needles to spring into the window in a manner known per se.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEI12771A DE1034932B (en) | 1957-01-30 | 1957-01-30 | Process for the manufacture of needle roller bearings with a cage axially positioned between hardened ribs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEI12771A DE1034932B (en) | 1957-01-30 | 1957-01-30 | Process for the manufacture of needle roller bearings with a cage axially positioned between hardened ribs |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1034932B true DE1034932B (en) | 1958-07-24 |
Family
ID=7185444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEI12771A Pending DE1034932B (en) | 1957-01-30 | 1957-01-30 | Process for the manufacture of needle roller bearings with a cage axially positioned between hardened ribs |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1034932B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9417601U1 (en) * | 1994-11-03 | 1994-12-15 | INA Wälzlager Schaeffler KG, 91074 Herzogenaurach | Solid window cage for a needle bearing |
DE19513668A1 (en) * | 1995-04-11 | 1996-10-17 | Schaeffler Waelzlager Kg | Needle roller bearing and method for its prodn. |
DE10020118A1 (en) * | 2000-04-22 | 2001-10-25 | Schaeffler Waelzlager Ohg | Thin walled roller bearing component used as a roller bearing ring, needle sleeve or needle bushing is produced from a cold strip made from a tempered steel having a specified tensile strength, breaking elongation, etc. |
DE10333875A1 (en) * | 2003-07-25 | 2005-02-17 | Ina-Schaeffler Kg | Needle bearing has cold-formed outer ring made from steel, ratio of wall thickness of ring to diameter of needles being 1:20 - 1:5 |
DE102006057450A1 (en) * | 2006-12-06 | 2008-06-12 | Schaeffler Kg | Shaft bearing for eccentric drive in a radial piston engine incorporates channels between outer periphery and shaft aperture |
CN101818761A (en) * | 2010-04-23 | 2010-09-01 | 江苏南方轴承股份有限公司 | Needle bearing for throttle and preparation method thereof |
-
1957
- 1957-01-30 DE DEI12771A patent/DE1034932B/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9417601U1 (en) * | 1994-11-03 | 1994-12-15 | INA Wälzlager Schaeffler KG, 91074 Herzogenaurach | Solid window cage for a needle bearing |
DE19513668A1 (en) * | 1995-04-11 | 1996-10-17 | Schaeffler Waelzlager Kg | Needle roller bearing and method for its prodn. |
DE10020118A1 (en) * | 2000-04-22 | 2001-10-25 | Schaeffler Waelzlager Ohg | Thin walled roller bearing component used as a roller bearing ring, needle sleeve or needle bushing is produced from a cold strip made from a tempered steel having a specified tensile strength, breaking elongation, etc. |
WO2001081643A1 (en) * | 2000-04-22 | 2001-11-01 | Ina-Schaeffler Kg | Rolling bearing component |
US6682227B2 (en) | 2000-04-22 | 2004-01-27 | INA Wälzlager Schaeffler oHG | Rolling bearing component |
DE10020118B4 (en) * | 2000-04-22 | 2009-11-12 | Schaeffler Kg | Method for verifying sealability of selected exhaust valve of selected cylinder in internal combustion engine in motor vehicle, involves concluding sealability of valve based on measured values of lambda sensor in one of exhaust gas strands |
DE10333875A1 (en) * | 2003-07-25 | 2005-02-17 | Ina-Schaeffler Kg | Needle bearing has cold-formed outer ring made from steel, ratio of wall thickness of ring to diameter of needles being 1:20 - 1:5 |
DE102006057450A1 (en) * | 2006-12-06 | 2008-06-12 | Schaeffler Kg | Shaft bearing for eccentric drive in a radial piston engine incorporates channels between outer periphery and shaft aperture |
CN101818761A (en) * | 2010-04-23 | 2010-09-01 | 江苏南方轴承股份有限公司 | Needle bearing for throttle and preparation method thereof |
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