DE3424742C1 - Injection mould or casting mould for producing a plastics pocket-type bearing cage for radial cylindrical roller bearings and pocket-type bearing cage produced in this mould - Google Patents

Injection mould or casting mould for producing a plastics pocket-type bearing cage for radial cylindrical roller bearings and pocket-type bearing cage produced in this mould

Info

Publication number
DE3424742C1
DE3424742C1 DE3424742A DE3424742A DE3424742C1 DE 3424742 C1 DE3424742 C1 DE 3424742C1 DE 3424742 A DE3424742 A DE 3424742A DE 3424742 A DE3424742 A DE 3424742A DE 3424742 C1 DE3424742 C1 DE 3424742C1
Authority
DE
Germany
Prior art keywords
cage
mold
pocket
injection
mould
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
Application number
DE3424742A
Other languages
German (de)
Inventor
Lothar 8732 Reichenbach Back
Waltraud 8731 Sulzthal Büttner
Herbert 8721 Bergrheinfeld Dobhan
Roland 8720 Schweinfurt Griebel
Elmar 8721 Geldersheim Kaiser
Hilmar 8721 Üchtelhausen Leuner
Brunno 8721 Geldersheim Schemmel
Robert 8720 Schweinfurt Stolz
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.)
SKF GmbH
Original Assignee
SKF GmbH
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 SKF GmbH filed Critical SKF GmbH
Priority to DE3424742A priority Critical patent/DE3424742C1/en
Application granted granted Critical
Publication of DE3424742C1 publication Critical patent/DE3424742C1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/34—Moulds having venting means
    • B29C45/345—Moulds having venting means using a porous mould wall or a part thereof, e.g. made of sintered metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2628—Moulds with mould parts forming holes in or through the moulded article, e.g. for bearing cages
    • 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
    • F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
    • F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
    • F16C33/4635—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
    • 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
    • F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
    • F16C33/4676—Details of individual pockets, e.g. shape or roller retaining means of the stays separating adjacent cage pockets, e.g. guide means for the bearing-surface of the rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/04—Bearings
    • 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
    • F16C19/24—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 for radial load mainly
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned

Abstract

A plastics pocket-type bearing cage for radial cylindrical roller bearings having elastically deformable holding projections (5) arranged on the cage webs (3) is produced in an injection mould or casting mould provided with radial slide bars (1). In order that the weld line elevation does not restrict the roller running and the pocket-type bearing cage can be produced in the mould economically and without difficulties on account of a large venting cross-section in the region of the holding lugs (5), at least some of the radial slide bars (1) are provided, on the sides facing the mould cavities (7) for the cage webs (3), with in each case one venting pin (6) or the like which is made of a porous material and is arranged so as to engage on one side in the mould cavity (4) of a holding lug (5) and bears against the opening of a venting channel (8). <IMAGE>

Description

In der Fig.4 ist ein Axialschnitt des fertigen Taschenkäfigs 11 dargestellt, der aus den beiden Seitenrin- gen 13 und den Käfigstegen 3 besteht. Die Haltelappen 5 für die Wälzkörper sind am Mantel der Käfigstege 3 angeordnet und verlaufen nahezu über ihre gesamte Breite. Am Mantel der Haltelappen 5 sind die Ausnehmungen 12 angeordnet, in denen die üblicherweise auftretenden Bindenahterhöhungen liegen. An axial section of the finished pocket cage 11 is shown in FIG. from the two side rings gene 13 and the cage bars 3 consists. The retaining tabs 5 for the rolling elements are arranged on the jacket of the cage webs 3 and run over almost their entire width. On the jacket of the retaining tabs 5 are the recesses 12 are arranged in which the weld line elevations that usually occur lie.

- Leerseite -- blank page -

Claims (2)

Patentansprüche: 1. Mit bewegbaren Formteilen versehene Spritzgieß- oder Gießform zum Herstellen von Kunststoff-Formteilen, bei der an mindestens einem bewegbaren Formteil mindestens ein einen Teil des Formhohlraums für das Kunststoff-Formteil begrenzender Entlüftungsstift im Bereich einer sich durch Zusammenfließen zweier Fließfronten der in den Formhohlraum eingespritzten Kunststoffmasse ausbildenden Bindenaht angeordnet ist, der mit einem Entlüftungskanal in Verbin#dung steht, d a d u r c h gekennzeichnet, daß in Ausbildung der Spritzgieß- oder Gießform mit Radialschiebern (1) zum Herstellen eines Kunststoff-Taschenkäfigs (11) für Radial-Zylinderrollenlager mit an den Käfigstegen (3) des Taschenkäfigs (11) angeordneten elastisch verformbaren Haltevorsprüngen (5) in mindestens einigen der Radialschieber (1) auf ihren den Formhohlräumen (7) für die Käfigstege (3) zugewandten Seiten jeweils ein aus porösem Werkstoff gefertigter Entlüftungsstift (6) angeordnet ist, der mit einer Seite in den Formhohlraum (4) für einen Haltevorsprung (5) eingreift 2. Spritzgieß- oder Gießform nach Patentanspruch 1, dadurch gekennzeichnet, daß die Achsen (9) der aus Sintermetall hergestellten Entlüftungsstifte (6) senkrecht zu den Wandflächen (10) der Radialschieber (1) in der Mitte ihrer axialen Erstrekkung angeordnet sind. Claims: 1. Injection molding with movable molded parts or casting mold for producing plastic molded parts, in which at least one movable mold part at least a part of the mold cavity for the plastic molded part limiting vent pin in the area of one by merging two Forming flow fronts of the plastic compound injected into the mold cavity Joint line is arranged, which is in connection with a ventilation duct, d a d u r c h marked that in the formation of the injection mold or casting mold with Radial slides (1) for producing a plastic pocket cage (11) for radial cylindrical roller bearings with elastically deformable ones arranged on the cage webs (3) of the pocket cage (11) Holding projections (5) in at least some of the radial slide (1) on their Mold cavities (7) for the cage bars (3) facing sides each made of a porous Material-made vent pin (6) is arranged, one side in engages the mold cavity (4) for a retaining projection (5) 2. injection molding or Casting mold according to claim 1, characterized in that the axes (9) of the Sintered metal made vent pins (6) perpendicular to the wall surfaces (10) the radial slide (1) are arranged in the middle of their axial extent. 3. In einer Spritzgieß- oder Gießform nach Patent anspruch 1 oder 2 hergestellter Kunststoff-Taschenkäfig für Radial-Zylinderrollenlager mit an den Käfigstegen angeordneten elastisch verformbaren Hal tevorsprüngen, dadurch gekennzeichnet, daß die Haltevorsprünge (5) im Bereich der Bindenaht (B) mit jeweils einer durchgehenden, in Umfangsrichtung verlaufenden Ausnehmung (12) versehen sind, die sich vom Mantel des Taschenkäfigs (11) nach innen erstreckt. 3. In an injection molding or casting mold according to patent claim 1 or 2 manufactured plastic pocket cage for radial cylindrical roller bearings with the Cage bars arranged elastically deformable retaining projections, characterized in that that the retaining projections (5) in the area of the weld line (B) each have a continuous, circumferentially extending recess (12) are provided, which extend from the jacket of the pocket cage (11) extends inward. Die Erfindung betrifft eine mit bewegbaren Formteilen versehene Spritzgieß- oder Gießform zum Herstellen von Kunststoff-Formteilen entsprechend dem Oberbegriff des Patentanspruches 1. Die Erfindung betrifft weiterhin einen in einer solchen Form hergestellten Kunststoff-Taschenkäfig, entsprechend dem Oberbegriff des Patentanspruches 3. The invention relates to an injection molding provided with movable molded parts or casting mold for the production of plastic molded parts according to the preamble of claim 1. The invention further relates to one in such Form made plastic pocket cage, according to the preamble of claim 3. Eine Spritzgießform dieser Art ist nach der FR-PS 2056576 bekannt. An injection mold of this type is known from FR-PS 2056576. Bei anderen bekannten Spritzgieß- oder Gießformen erfolgt die Formentlüftung z. B. über einen Trennspalt, der leicht verstopft Ohne eine ausreichende Entlüftung der Spritzgieß- oder Gießform kann es bei der Herstellung von Taschenkäfigen mit angeformten Haltelappen vorkommen, daß die Haltelappen schlecht ausgeformt sind, und daß die Wälzkörper an einer Bindenahterhöhung anliegen, so daß sich ein undefinierter Anlaufpunkt ergibt. In other known injection molds or casting molds, the mold is vented z. B. via a separating gap that is easily clogged without adequate ventilation The injection or casting mold can be used in the manufacture of pocket cages molded retaining tabs occur that the retaining tabs are poorly shaped, and that the rolling elements rest against a weld line elevation, so that an undefined Starting point results. Der Erfindung liegt die Aufgabe zugrunde, eine Spritzgieß- oder Gießform zur Herstellung eines Kunststoff-Taschenkäfigs für Radial-Zylinderrollenlager und einen in dieser hergestellten Taschenkäfig zu schaffen, bei dem die Bindenahterhöhung den Rollenanlauf nicht behindert und der in der erfindungsgemäßen Form durch einen großen En?lüftungsquersctinitt im Bereich der Haltelappen ohne Schwierigkeiten und wirtschaftlich hergestellt werden kann. The invention is based on the object of an injection mold or casting mold for the production of a plastic pocket cage for radial cylindrical roller bearings and to create a pocket cage made in this, in which the weld line increase does not hinder the roll start and that in the form according to the invention by a large ventilation cross-section in the area of the holding lobes without difficulty and can be produced economically. Nach der Erfindung wird diese Aufgabe durch die im kennzeichnenden Teil des Patentanspruches 1 und 3 enthaltenen Merkmale gelöst Nach einer Ausbildung der Erfindung sind die Achsen der. aus Sintermetall bestehenden Enflüftungsstifle senkrecht zu den Wandflächen der Radialschieber und in der Mitte ihrer axialen Erstreckung angeordnet. Hierdurch wird erreicht, daß die Haltevorsprünge im Bereich der Bindenaht mit jeweils einer durchgehenden, in Umfangsrichtung verlaufenden Ausnehmung versehen werden, die sich vom Mantel des Taschenkäfigs nach innen erstreckt, so daß die Bindenahterhöhung nicht im Bereich des Wälzkörperanlaufs liegt. According to the invention this object is achieved by the in the characterizing Part of claims 1 and 3 contained features solved after a training of the invention are the axes of. made of sintered metal perpendicular to the wall surfaces of the radial slide and in the middle of their axial extent arranged. This ensures that the retaining projections are in the area of the weld line each provided with a continuous recess running in the circumferential direction that extends inward from the jacket of the pocket cage, so that the weld line elevation is not in the area of the rolling element contact. Ein Ausführungsbeispiel einer Spritzgieß- oder Gießform gemäß der Erfindung ist in der Zeichnung dargestellt und wird nachstehend näher erläutert. An embodiment of an injection mold or casting mold according to FIG The invention is shown in the drawing and will be explained in more detail below. Es zeigt F i g. 1 einen Schnitt einer Spritzgieß- oder Gießform nach Linie A-A der F i g. It shows F i g. 1 shows a section of an injection mold or casting mold Line A-A of FIG. 2, Fig. 2 einen Schnitt nach Linie B-B der Fig. 1, F i g. 3 einen Teil der Draufsicht auf einen mit der Spritzgieß- oder Gießform hergestellten Zylinderrollenlagerkäfig, in der der Verlauf der Masseströme schematisch dargestellt ist, F i g. 4 einen Axialschnitt durch den Taschenkäfig.2, Fig. 2 a section along line B-B of Fig. 1, F i g. 3 a part of the top view of one produced with the injection mold or casting mold Cylindrical roller bearing cage in which the course of the mass flows is shown schematically is, F i g. 4 shows an axial section through the pocket cage. In den F i g. 1 und 2 ist ein radial entformbarer Radialschieber 1 für eine Spritzgieß- oder Gießform (nur andeutungsweise gezeichnet) dargestellt, durch den eine Käfigtasche 2 eines Zylinderrollenlagerkäfigs geformt wird. Nachdem Käfige mit großem Durchmesser. aus Maß- und Festigkeitsgründen in der Regel in der Mitte einiger Käfigstege 3 angespritzt werden müssen, ist es erforderlich, den Formhohlraum 4 im Bereich der Halte lappen 5 für die Wälzkörper (nicht gezeichnet) zu entlüften, damit keine Luftpolster entstehen, die eine gute Verbindung. der beiden Masseströme im, Punkt B verhindern. In der F i g. 3 ist der Verlauf der Masseströme durch Pfeile dargestellt, die jeweils von den Anspritzpunkten A zu den Bindenähten B verlaufen. Durch die porösen, z. B. aus Sintermetall gefertigten Entlüftungsstifte 6, die auf den den Formhohlräumen 7 für die Käfigstege 3 zugewandten Seiten am Radialschieber 1 angeordnet sind, kann die Luft entweichen. Hierfür greift der Entlüftungsstift 6 mit der Mantelfläche auf einer Seite in den Formhohlraum 4 eines Haltevorsprunges 5 ein und liegt mit einer Stirnseite an der Öffnung eines Entlüftungskanals 8 an. Die Achsen 9 der Entlüftungsstifte 6 sind senkrecht zu den Wandflächen 10 der Radialschieber 1 und in der Mitte ihrer axialen Erstreckung angeordnet. Der Entlüftungsstift 6 bildet in den Haltevorsprüngen 5 des Taschenkäfigs 11 eine in Umfangsrichtung verlaufende, sich vom Mantel radial nach innen erstreckende Ausnehmung 12 (F i g. * aus, in der die üblicherweise auftretende Bindenahterhöhung liegt, so daß ein Rollenanlauf an den Haltelappen 5 nicht gestört wird, d. h. ein punktförmiger Anlauf und damit ein Kip pen der Rollen sicher verhindert wird. Die Radialschieber 1 werden nach beendetem Spritzvorgang in radialer Richtung aus den Käfigtaschen 2 herausgezogen, wobei die Haltelappen 5 elastisch nachgeben. In the F i g. 1 and 2 is a radially demoldable radial slide 1 for an injection mold or casting mold (shown only hinted at), through which a cage pocket 2 of a cylindrical roller bearing cage is formed. After this Large diameter cages. for reasons of size and strength, usually in the In the middle of some cage bars 3 have to be injected, it is necessary to open the mold cavity 4 in the area of the holding tabs 5 for the rolling elements (not shown) to vent, so that there are no air cushions that create a good connection. of the two mass flows im, point B. In FIG. 3 is the course of the mass flows through arrows shown, which each run from the injection points A to the weld lines B. By the porous, z. B. made of sintered metal vent pins 6, which on the sides on the radial slide facing the mold cavities 7 for the cage bars 3 1 are arranged, the air can escape. The vent pin engages for this 6 with the lateral surface on one side in the mold cavity 4 of a holding projection 5 and one end rests against the opening of a ventilation duct 8. The axes 9 of the vent pins 6 are perpendicular to the wall surfaces 10 of the radial slide 1 and arranged in the middle of its axial extent. The vent pin 6 forms in the retaining projections 5 of the pocket cage 11 a circumferential direction recess 12 extending radially inward from the jacket (Fig. * from, in the the weld line elevation that usually occurs is so that a roller start-up occurs the retaining tab 5 is not disturbed, d. H. a punctiform approach and thus a Tilting the roles is reliably prevented. The radial slide 1 are after finished Injection process pulled out of the cage pockets 2 in the radial direction, the Retaining tabs 5 yield elastically.
DE3424742A 1984-07-05 1984-07-05 Injection mould or casting mould for producing a plastics pocket-type bearing cage for radial cylindrical roller bearings and pocket-type bearing cage produced in this mould Expired DE3424742C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3424742A DE3424742C1 (en) 1984-07-05 1984-07-05 Injection mould or casting mould for producing a plastics pocket-type bearing cage for radial cylindrical roller bearings and pocket-type bearing cage produced in this mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3424742A DE3424742C1 (en) 1984-07-05 1984-07-05 Injection mould or casting mould for producing a plastics pocket-type bearing cage for radial cylindrical roller bearings and pocket-type bearing cage produced in this mould

Publications (1)

Publication Number Publication Date
DE3424742C1 true DE3424742C1 (en) 1985-11-14

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615037A1 (en) * 1987-05-06 1988-11-10 Radiotechnique Compelec PROCESS AND MOLD FOR ENCAPSULATION OF A SEMICONDUCTOR DEVICE BY RESIN INJECTION
DE3718693A1 (en) * 1987-06-04 1988-12-22 Schaeffler Waelzlager Kg Bush-shaped injection-moulded component, particularly a roller bearing cage
DE4141061A1 (en) * 1991-12-13 1993-06-17 Schaeffler Waelzlager Kg Moulding plastic roller bearing cage - by system in which rollers are positioned in mould by sliding members, polymer shot is moulded, and rollers are inserted into spaces formed
DE102012202104A1 (en) * 2012-02-13 2013-08-14 Aktiebolaget Skf Manufacturing at least one roller bearing cage-segment useful for a roller bearing cage, comprises forming the rolling bearing cage segment from a rolling bearing metal powder injection molding material by a metal powder injection molding
US20150300409A1 (en) * 2012-11-06 2015-10-22 Ntn Corporation Retainer for tapered roller bearing
US20160108965A1 (en) * 2013-05-31 2016-04-21 Ntn Corporation Rolling bearing cage, rolling bearing, and method of manufacturing rolling bearing cage
EP2503167A4 (en) * 2009-11-17 2018-01-17 NSK Ltd. Conical rolling-element bearing and method for manufacturing a cage for a conical rolling-element bearing
US10030708B2 (en) * 2016-07-29 2018-07-24 General Electric Company Roller bearing cage for use in a gearbox

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD37765A (en) *
FR2056576A5 (en) * 1969-08-28 1971-05-14 Huels Chemische Werke Ag Injection mould for thermoplastic foam materials

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD37765A (en) *
FR2056576A5 (en) * 1969-08-28 1971-05-14 Huels Chemische Werke Ag Injection mould for thermoplastic foam materials

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615037A1 (en) * 1987-05-06 1988-11-10 Radiotechnique Compelec PROCESS AND MOLD FOR ENCAPSULATION OF A SEMICONDUCTOR DEVICE BY RESIN INJECTION
EP0293954A1 (en) * 1987-05-06 1988-12-07 Philips Composants Method and mould for encapsulating a semiconductor device by resin injection
DE3718693A1 (en) * 1987-06-04 1988-12-22 Schaeffler Waelzlager Kg Bush-shaped injection-moulded component, particularly a roller bearing cage
DE4141061A1 (en) * 1991-12-13 1993-06-17 Schaeffler Waelzlager Kg Moulding plastic roller bearing cage - by system in which rollers are positioned in mould by sliding members, polymer shot is moulded, and rollers are inserted into spaces formed
EP2503167A4 (en) * 2009-11-17 2018-01-17 NSK Ltd. Conical rolling-element bearing and method for manufacturing a cage for a conical rolling-element bearing
DE102012202104A1 (en) * 2012-02-13 2013-08-14 Aktiebolaget Skf Manufacturing at least one roller bearing cage-segment useful for a roller bearing cage, comprises forming the rolling bearing cage segment from a rolling bearing metal powder injection molding material by a metal powder injection molding
US20150300409A1 (en) * 2012-11-06 2015-10-22 Ntn Corporation Retainer for tapered roller bearing
US9556907B2 (en) * 2012-11-06 2017-01-31 Ntn Corporation Retainer for tapered roller bearing
US20160108965A1 (en) * 2013-05-31 2016-04-21 Ntn Corporation Rolling bearing cage, rolling bearing, and method of manufacturing rolling bearing cage
US9657779B2 (en) * 2013-05-31 2017-05-23 Ntn Corporation Rolling bearing cage, rolling bearing, and method of manufacturing rolling bearing cage
US10030708B2 (en) * 2016-07-29 2018-07-24 General Electric Company Roller bearing cage for use in a gearbox

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