DE2243502A1 - CONNECTION OF MULTI-PIECE ROLLING BEARING CAGES - Google Patents

CONNECTION OF MULTI-PIECE ROLLING BEARING CAGES

Info

Publication number
DE2243502A1
DE2243502A1 DE19722243502 DE2243502A DE2243502A1 DE 2243502 A1 DE2243502 A1 DE 2243502A1 DE 19722243502 DE19722243502 DE 19722243502 DE 2243502 A DE2243502 A DE 2243502A DE 2243502 A1 DE2243502 A1 DE 2243502A1
Authority
DE
Germany
Prior art keywords
cage
connection
cages
rolling bearing
bearing cages
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
Application number
DE19722243502
Other languages
German (de)
Inventor
Egon Dipl Ing Hauke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WAELZLAGERKOMBINAT VEB
Original Assignee
WAELZLAGERKOMBINAT VEB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WAELZLAGERKOMBINAT VEB filed Critical WAELZLAGERKOMBINAT VEB
Priority to DE19722243502 priority Critical patent/DE2243502A1/en
Publication of DE2243502A1 publication Critical patent/DE2243502A1/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/38Ball cages
    • F16C33/42Ball cages made from wire or sheet metal strips
    • F16C33/422Ball cages made from wire or sheet metal strips made from sheet metal
    • F16C33/427Ball cages made from wire or sheet metal strips made from sheet metal from two parts, e.g. ribbon cages with two corrugated annular parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/46Cages for rollers or needles
    • F16C33/4617Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
    • F16C33/4641Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages comprising two annular parts joined together
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings 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
    • F16C19/24Bearings 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 for radial load mainly
    • F16C19/26Bearings 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 for radial load mainly with a single row of rollers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings 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
    • F16C19/34Bearings 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 for both radial and axial load
    • F16C19/36Bearings 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 for both radial and axial load with a single row of rollers
    • F16C19/364Bearings 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 for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone

Description

Verbindung mehrteiliger Wälzlagerküfige Die Erfindung betrifft eine 7erbindung mehrteiliger Blech- oder Massivkäflge für Wälzlager. Connection of multi-part rolling bearing cages The invention relates to a Connection of multi-part sheet metal or solid cages for roller bearings.

Lehrteilige Mifige für Wälzlager worden durch Vernieten, Verschweißen oder Umbiegen bzw. Verformen von gesondert dafür vorgesehenen Halterungen zusammengefügt. Am bekanntesten ist die Verbindung der K 132figteile mittels Vernietung eingezogener niete bzw. Drahtstifte. Nachteilig ist hierber, daß schon das einsetzen der Niete einen erheblichen Fertigungsaufwand erfordert; die ietlöcher in den Eäfigteilen müssen in Verbindung nit deI Nietdurchmesser in engen toleranzen hergestellt werden, und ein Versatz der nietlöcher in den zassmmengehörenden, unabhängig voneinander gelochen Käfigterlen vergrößert die in den Wälzkörpertaschen des gefügten Käflgs wirkssm werdenden Tellungsfehler. Während bei mehrteiligen Blech-Käfigen bei der Nontage des Käfigs der Schüießdruck für die Ausbildung eines ITietkopfes vor allen bei geringen Blechdicken oft zu Verformungen des Käfigs führt, besteht bei Massivkäfigen neben dem hohen Aufwand des Nietlochbchrens, inabesonders bei Käfigen mit langen Stegen, z. B. bei Radial-Zylinderrollenlagern, die Gefahr des "verlaüfens" des Bchrers und damit der lsTietlochbohrung, was letztlich zu erhöhten spannungen in den genietsten Käfigen führt.Teaching parts for rolling bearings are made by riveting and welding or bending or deforming of brackets specially provided for this purpose. The best known is the connection of the K 132figteile by riveting drawn in rivets or wire pins. The disadvantage here is that the rivet is already used requires considerable manufacturing effort; the holes in the cage parts must be manufactured in connection with the rivet diameter within tight tolerances, and an offset of the rivet holes in the associated ones, independently of one another Perforated cage insert enlarges the size in the rolling element pockets of the joined cage effective notification error. While with multi-part sheet metal cages with the Assembly of the cage, the shooting pressure for the formation of a rivet head in front of all often leads to deformation of the cage in the case of thin sheet metal, is the case with solid cages in addition to the high cost of riveting, especially for cages with long ones Webs, e.g. B. with radial cylindrical roller bearings, the risk of "running" of the book and thus the lsTietlochbohrung, which ultimately leads to increased tension in the riveted Cages leads.

Verschiedentlich werden auch Käfigteile ans Stahl wittels æunlrt- oder Buckelschweißung verbunden. Dabei ist eine Überhitzung an den Verbindungsstellen Während des Kürzzeitigen Schweißvorganges nicht immer zu vermeiden, was zu einer Hinderung der Materialfestigkeit an diesen Stellen führt. Des weiteren ist die unmittelbare Umgebung der Schweißverbindung besonders korrossionsgefährdet. Während des Schweißvorganges lösen sich Kleinste Metallteile, die in die RollbJin des älzlagers gelangen können und dsmit zum vorzeitigen Ausfall des Lagers führen. Letztlich ist nicht auszuschließen, daß sich während des Schweißvorganges ein zusätzlicher Stromkreis über die wälzkörper schließt, was zu gefährlichen krandstellen an den Wälzkörpern führen kann. Auf Grund der sngeführten Nachteile konnte sich diese Vecbindungeart in der Wälzlagertechnik bisher nicht durchsetzen.Cage parts are also occasionally attached to the steel wittels æunlrt- or projection welding connected. Included is overheating on the Connection points Not always to be avoided during the short welding process, which leads to an impairment of the material strength at these points. Further the immediate vicinity of the welded joint is particularly at risk of corrosion. During the welding process, the smallest metal parts loosened in the RollbJin of the roller bearing and thus lead to the premature failure of the bearing. Ultimately, it cannot be ruled out that an additional The electric circuit over the rolling elements closes, which leads to dangerous edge points on the Can lead to rolling elements. Due to the disadvantages mentioned, this type of connection could not be used not yet prevailing in roller bearing technology.

Bekannt gewordes sind auch Verbindungen @ehrteiliger Blechkäfige mittels an diner Käfighälfte vorgesehener Lauten, die nach de Fügen der beiden Käfigteile um die zweite Käfighälfte gebogen werden. Neben dem höhe-@en Materialaufwand haben diese Käfigausführungen den Nachteil, daß sowchl die Blechdecke sls auch die Breite der ringförmigen Käfigteile nicht von der Stabilität des räfigs, sondern von der noch vertretbaren Bruch gefahr dar Lappen bei @Umbiegen sowie des erwerderlichen Platzbedarfs für die Biegswerkzeuge bestimmt wird.Also known are connections @particular sheet metal cages by means of on the cage half provided sounds, which after the joining of the two cage parts bent around the second half of the cage. In addition to the high material costs These cage designs have the disadvantage that the sheet metal roof sls also the width of the ring-shaped cage parts do not depend on the stability of the cage, but on the There is still a justifiable risk of breakage from the rag when bending as well as the commercial Space requirement for the bending tools is determined.

Die eseitigung der den beschriebsner Verbindungsartan anhaftenden Nängel ist der Zweck dar Erfind@@g.The elimination of the type of connection described above Nängel is the purpose of the inventor.

Der Erfindung liegt die Ausgabs zugunde, durch den Einsatz eines Plastwerkstoffes als Vorb eine neue Verbindun sert für mehrtellige Blech- oder Nassivkäfige für Wälzlager zu Schaf s@.The invention is based on the output, through the use of a plastic material As a preliminary to a new connection for multi-part sheet metal or wet cages for rolling bearings to sheep s @.

Erfindungsgemäß wird die Wufgabe dadurch gelöst, daß mittels einer bekannten Plastspritzeinrichtung in die bei Blechkäfigteilen zwischen den Wälzkörpertaschen vorhandenen, parallelen Anlageflächen durchgehenden und bei mehrtelligen Massivkäfigen in die Käfigstege durchgehenden oder schräg zur Stegachse sacklocilförmig eingebrachten sowie im zugehörigen Deckelteil durchgehenden runden, kantigen oder anders gestalteten Ausnehmungen der gefügten, fest aneinanderliegenden Käfigteile ein fließfähiger Plastwerkstoff eingebracht ist, der an der Außenseite der Ausnehmung in einer Verdickung ähnlich eines Nietkopfes ausläuft und nach der Aushärtung somit eine schlüssige halterung der gefügten Käfigteile bewirkt.According to the invention, the task is achieved in that by means of a known plastic injection device in the sheet metal cage parts between the rolling element pockets existing, parallel contact surfaces with continuous and multi-part solid cages in the cage webs continuous or inclined to the web axis sacklocil-shaped as well as continuous round, angular or otherwise shaped in the associated cover part Recesses of the joined, firmly abutting cage parts a flowable one Plastic material is introduced, which is on the outside of the recess in a thickening similar to a rivet head and thus a conclusive after curing causes retention of the joined cage parts.

Mit der erfindangsgemäßen Verbindung sind die bei den bisherigen Verbindungsarten bekannten nachteiligen Wirkungen, wie beispielsweise der Nietlochversatz, die Durchmesser- und Formabweichungen der Niete und igietlöcher beseitigt. Richtungsabweichungen bei langen Nietlöchern bleiben bei der erfindungsgemaßen-Verbindungsart ohne Wirkung. Der aufwendige Arbeitsgang -Einsetzen der lTiete - entfällt. Bei Blechkäfigen ist außerdem von Vorteil, daß. mit der erfindungsgemäßen Verbindungsart eine Schwingungs- und Geräuschdämpfung errqicnt wird, so daß diese Käfige besonders für geräuschanne lager geeignet und einsetzbar sind.With the connection according to the invention, those with the previous connection types known adverse effects, such as the rivet hole offset, the diameter and shape deviations of the rivets and igiet holes eliminated. Directional deviations in the case of long rivet holes, the type of connection according to the invention has no effect. The laborious step of inserting the rivet is no longer necessary. In the case of sheet metal cages also an advantage that. with the type of connection according to the invention a vibration and noise attenuation is achieved, so that these cages are particularly suitable for noiseless bearings are suitable and usable.

Die Erfindung soll nachstehend an einigen Ausführungsbeispielen näher erläutert werden. In der zugehörigen Zeichnung zeigen: Fig. 1: einen Schnitt durch die gefügten und verbundenen Hälften eines Blechkäfigs für Radial-Rillenkugellsger, Fig. 2: einen Schnitt durch einen Steg eines komplettierten Kammdeckelmassivkäfigs für Kegelrollenlager, wig. 3: einen Schnitt durch einen Steg eines züssmmengesetzten Kammdeckelmassivkäfigs für Zylinderrollenlager.The invention is to be described in more detail below using a few exemplary embodiments explained. The accompanying drawings show: FIG. 1: a section through the joined and connected halves of a sheet metal cage for radial deep groove ball cutters, Fig. 2: a section through a web of a completed comb lid solid cage for Tapered roller bearings, tig. 3: a section through a web of an assembled one Comb cover solid cage for cylindrical roller bearings.

In die Blechkäfigteile 1; 2 eines komplettierten Radial-Rillenkugellagers 5 sind in die zwischen den Wälzkörpertaßchen Tiegend en parallelen Anlageflächen in bekannter gleise durchgehende, runde, ovale oder anders eotaltete Ausnehmungen 3; 4 eingearbeitet. Auf der linken Seite der Fig. 1 ist ein Nietlochversatz angedeutet, der beim Vernieten der beiden Bäfigteile 1; 2 mittels Metallniet zu sinem Versatz der Wälzkörpertasche und damit zu einem Verklemmen des Wälzkörpers 6 führen würde. Dieser Nachteil ist durch die Erfindung völlig beseitigt; ein in die Äusnehmungen 3; 4 der auf den Wälzkörpern 6 zentrierten Bäfigteile 1; 2 mittels einer einfachen Spritzvorrichtung eingebrachte Plastwerkstoff 7 paßt sich den Formänderungen an. Die der deckung 8 des Plastwerksteffes 7 ist bei Blechkäfigteilen 1; 2 an den Außenseiten der Ausnehmungen 3; 4 vorzugsweise halbrundkopfförmig gestaltet. Bei Massivkäfigen in Kammdeckelausführung ist die Seitenscheibe 9 mit durchgehenden Ausnehmungen 10 und die Bäfigstege 11 mit zur Bäfigstegachse geneigte sacklochförmigen Ausnehmungen 12 versehen (Fig. 2). In diese Ausnehmungen 10; 12, die eine verschiedenartige Querschnittsform aufweisen Können, wird nach de Komplettieren des Käfigs der Plastwerkstoff 7 eingebracht, wobei die einzelnen Käfigteile fest aneinanderliegen. Hier sind auch durchgehende Ausnehmungen 13 in den massiven Käfigstegen 11 möglich, da ein "Verlaufen" der durchgehenden Ausnehmung 13, wie in Fig. 3 angedeutet, bei Anwendung der erfindungsgemäßen Verbindungsart ohne rkung bleibt, d. h. der mittels einer Spritzeinrichtung in die Ausnelmungen 10; 13 eingebrachte fließfähige Plastwerkstoff 7 paßt sinch der Formänderung an und schließt Spannungen im verbundenen Käfig, sie wären bei einem Vernieten unumgänglich, aus. Die filr die schlüssige Halterung der gefügten Käfigteile erforderliche Verdickung 8 des Flastwerkstoffes 7- an der Außenseite der Ausnehmungen 10; 13 kann verschiedex rtig, beispielsweise senkkopf- oder halbrundkopfförmig, gestaltet sein.In the sheet metal cage parts 1; 2 of a completed radial deep groove ball bearing 5 are in the parallel contact surfaces between the rolling element cups In known tracks, round, oval or otherwise shaped recesses are continuous 3; 4 incorporated. On the left side of Fig. 1, a rivet hole offset is indicated, when riveting the two cage parts 1; 2 to be offset by means of a metal rivet the rolling element pocket and thus lead to jamming of the rolling element 6. This disadvantage is completely eliminated by the invention; one in the openings 3; 4 of the cage parts 1 centered on the rolling elements 6; 2 by means of a simple Injection device introduced plastic material 7 adapts to the changes in shape. The cover 8 of the Plastwerksteffes 7 is sheet metal cage parts 1; 2 on the outsides the recesses 3; 4 preferably designed in the shape of a semicircular head. With solid cages The side window 9 is in a comb cover design with continuous recesses 10 and the Bäfigstege 11 with inclined to the Bäfigsteg axis blind hole-shaped recesses 12 provided (Fig. 2). In these recesses 10; 12, which have a different cross-sectional shape can have, the plastic material 7 is introduced after the cage has been completed, the individual parts of the cage lying firmly against one another. Here are also continuous Recesses 13 in the massive cage webs 11 possible, since a "running" of the continuous Recess 13, as indicated in Fig. 3, when using the according to the invention Type of connection remains unaffected, d. H. by means of a spray device in the Recesses 10; 13 introduced flowable plastic material 7 fits sinch the change in shape and closes tensions in the connected cage, they would be unavoidable when riveting, the end. The thickening required for the coherent retention of the joined cage parts 8 of the Flastwerkstoffes 7- on the outside of the recesses 10; 13 can be different rtig, for example, countersunk or semicircular head-shaped.

Claims (1)

Patentanspruch: Claim: Verbindung mehrteiliger, gefügter Wälzlagerkäfige, d a d u r c h g e k e n n z e i c h n e t , daß mittels einer bekannten Pltspritzeinrichtung' in durchgehende und/oder zur Käfigstegachse geneigt verlaufende Sacklochförmige runde, ovale od ei anders gestaltete Ausnehmungen (3; 4; 10; 12; 13) der gefügten und fest aneinanderliegenden Käfig teile (1; 2; 9; 11) ein fließfähiger Plastvierkstoff (7) eingebracht ist, der an der Ausenseite der Ausnehmung (3; 4; 10; 13) in einer Verdickung (8), beispielsweise ähnlich eines iitetkopfes, ausläuft.Connection of multi-part, joined rolling bearing cages, d a d u r c h g e k e n n n n e i c h n e t that by means of a known plt-injection device 'in continuous and / or round blind hole-shaped inclined to the cage web axis, oval or differently designed recesses (3; 4; 10; 12; 13) of the joined and solid adjacent cage parts (1; 2; 9; 11) a flowable plastic (7) is introduced, which is on the outside of the recess (3; 4; 10; 13) in a thickening (8), for example similar to an iitetkopfes, expires.
DE19722243502 1972-09-05 1972-09-05 CONNECTION OF MULTI-PIECE ROLLING BEARING CAGES Pending DE2243502A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19722243502 DE2243502A1 (en) 1972-09-05 1972-09-05 CONNECTION OF MULTI-PIECE ROLLING BEARING CAGES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722243502 DE2243502A1 (en) 1972-09-05 1972-09-05 CONNECTION OF MULTI-PIECE ROLLING BEARING CAGES

Publications (1)

Publication Number Publication Date
DE2243502A1 true DE2243502A1 (en) 1974-03-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722243502 Pending DE2243502A1 (en) 1972-09-05 1972-09-05 CONNECTION OF MULTI-PIECE ROLLING BEARING CAGES

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DE (1) DE2243502A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5388918A (en) * 1993-08-02 1995-02-14 The Torrington Company Split bearing cages
DE102005009980B3 (en) * 2005-03-04 2006-06-14 Aktiebolaget Skf Antifriction bearing has inner ring along with truncated cone like inner surface, which is limited laterally by first board, second board, and outer ring with retaining segments which stand in interference with inner ring
DE102015207015A1 (en) * 2015-04-17 2016-10-20 Schaeffler Technologies AG & Co. KG Bearing cage of a roller bearing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5388918A (en) * 1993-08-02 1995-02-14 The Torrington Company Split bearing cages
DE102005009980B3 (en) * 2005-03-04 2006-06-14 Aktiebolaget Skf Antifriction bearing has inner ring along with truncated cone like inner surface, which is limited laterally by first board, second board, and outer ring with retaining segments which stand in interference with inner ring
DE102015207015A1 (en) * 2015-04-17 2016-10-20 Schaeffler Technologies AG & Co. KG Bearing cage of a roller bearing

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