DE959076C - Process for the production of remunerated segments of circular ball tracks or roller tracks, in particular for slewing gears of excavators, cranes or the like. - Google Patents

Process for the production of remunerated segments of circular ball tracks or roller tracks, in particular for slewing gears of excavators, cranes or the like.

Info

Publication number
DE959076C
DE959076C DEA19310A DEA0019310A DE959076C DE 959076 C DE959076 C DE 959076C DE A19310 A DEA19310 A DE A19310A DE A0019310 A DEA0019310 A DE A0019310A DE 959076 C DE959076 C DE 959076C
Authority
DE
Germany
Prior art keywords
tracks
segments
excavators
cranes
production
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
DEA19310A
Other languages
German (de)
Inventor
Dipl-Ing Wilhelm Reiff
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.)
Aktiengesellschaft fuer Unternehmungen der Eisen und Stahlindustrie
Original Assignee
Aktiengesellschaft fuer Unternehmungen der Eisen und Stahlindustrie
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 Aktiengesellschaft fuer Unternehmungen der Eisen und Stahlindustrie filed Critical Aktiengesellschaft fuer Unternehmungen der Eisen und Stahlindustrie
Priority to DEA19310A priority Critical patent/DE959076C/en
Application granted granted Critical
Publication of DE959076C publication Critical patent/DE959076C/en
Expired 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
    • 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
    • F16C19/10Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • 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
    • F16C33/58Raceways; Race rings
    • F16C33/60Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • 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
    • F16C33/58Raceways; Race rings
    • F16C33/64Special methods of manufacture
    • 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
    • F16C2300/00Application independent of particular apparatuses
    • F16C2300/10Application independent of particular apparatuses related to size
    • F16C2300/14Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • 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
    • F16C2326/00Articles relating to transporting
    • 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
    • F16C2350/00Machines or articles related to building
    • F16C2350/26Excavators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Milling Processes (AREA)

Description

Bissher wurden zur Herstellung von kreisringförmigen Kugelbahnen, .insbesondere für Schwenkwerke von Baggern, Kranen od. dgl., die geraden Rohlinge der Segmente, aus denen die Bahnen zusammengesetzt werden, mit ihrem vollen, rechteckigen Querschnitt entsprechend dem Durchmesser der Kugelbahn gebogen. Darauf wurden diese vollen Stücke vergütet, und erst dann wurden sie auf einer Horizontaldrehbank allseitig bearbeitet, wobei auch die Rinne zur Aufnahme der Kugeln ausgearbeitet wurde. Hieran konnte sich ein Härtungsverfahren für die Kugellaufflächen, z. B. mit Brennhärtung., anschließen.Bissher were used to manufacture circular ball tracks, . Especially for slewing gears of excavators, cranes or the like, the straight blanks of the segments from which the tracks are composed, with their full, rectangular ones Cross-section bent to match the diameter of the ball track. Then these were full pieces, and only then were they all round on a horizontal lathe machined, whereby the groove for receiving the balls was also worked out. Here a hardening process for the ball bearing surfaces, e.g. B. with bake hardening., connect.

Diese bisher übliche Fertigung ist kostspielig, da die gesamte Bearbeitung der Rohlinge auf einer Spezialmaschine erfolgt, nämlich auf einer Horizontaldrehbank, die für die sehr großen Durchmesser derartiger Kugellaufbahnen eingerichtet ist und für deren Benutzung ungewöhnlich hohe Kosten je Arbeitsstunde aufgewendet werden müssen.This previously customary production is expensive because the entire processing the blanks are made on a special machine, namely on a horizontal lathe, which is set up for the very large diameter of such ball races and their use incurs unusually high costs per hour worked have to.

Die Erfindung bezweckt, die Fertigungskosten von kreisringförmigen Kugel- oder auch Rollenbahnen mit sehr großen Durchmessern, wie sie z. B. für die Schwenkwerke von Kranen, Baggern od. dgl. Anwendung finden, herabzusetzen. Das wird erfindungsgemäß dadurch erreicht, daß die Rohlinge zunächst so weit spanabhebend, z. B. auf einer Hobelmaschine, bearbeitet werden, daß sie bis auf ein Übermaß das Bahnprofil erhalten, daß darauf die Halbwerkstücke gebogen, danach vergütet und alsdann auf einer Drehbank fertigbearbeitet werden.The invention aims to reduce the manufacturing costs of circular Ball or roller tracks with very large diameters, such as those used for. B. for the Swing mechanisms of cranes, excavators or the like. Find use to reduce. That will achieved according to the invention in that the blanks are initially machined to such an extent that z. B. on a planer, processed that they up to an excess Track profile received that on it the half-workpieces are bent, then tempered and then finished on a lathe.

Die Erfindung ist an Hand der Zeichnung beispielsweise erläutert, in der Fig. I einen Querschnitt durch einen Teil einer Schwenkwerklagerung für einen Bagger und Fig. 2 einen Querschnitt eines Segmentes in verschiedenen Bearbeitungsstufen zeigt: Die Schwenkwerklagerung weist eine untere und eine obere Kugelbahn I bzw. 2 auf, zwischen denen die Kugeln 3 laufen, die durch Käfige 4 in Abstand voneinander gehalten wenden. Die Bahnen I, 2 sind aus Segmenten zusammengesetzt und an Trägern 5, 6 des Baggerunterbaues bzw. des schwenkbaren Baggeroberbaues befestigt.The invention is explained using the drawing, for example, in Fig. I a cross section through part of a swivel mechanism mounting for a Excavator and FIG. 2 shows a cross section of a segment in different processing stages shows: The swivel mechanism bearing has a lower and an upper ball track I or 2, between which the balls 3 run, which are spaced apart by cages 4 kept turning. The tracks I, 2 are composed of segments and are attached to carriers 5, 6 of the excavator substructure or the swiveling excavator superstructure attached.

Als Rohling für die Segmente der Kugelbahnen werden gerade Stücke verwendet, die einen vollen rechteckigen Querschnitt haben. Diese Rohlinge werden zunächst z. B. auf einer Hobelmaschine vorbearbeitet bis auf den in Fig. 2 durch die Linie 7 gekennzeichneten Querschnitt, der sich von dem endgültigen Querschnitt 8 nur durch ein verhältnismäßig kleines Übermaß 9 unterscheidet. Es wird sonach auch die große Zerspanungsarbeit für die Herstellung der die Kugeln aufnehmenden Rinne in der Hauptsache durch die Hobelmaschine geleistet. Statt der Hobelmaschine kann auch irgendeine andere normale Maschine, z. B. eine Fräsmaschine, benutzt werden, die zur Bearbeitung von Stücken in gerader Linie geeignet ist. Auf jeden Fall stellen sich die Bearbeitungskosten. auf einer solchen normalen Maschine erheblich niedriger als die Kosten für eine entsprechende Bearbeitung auf einer für sehr große Durchmesser eingerichteten Spezialhorizontaldrehbank.Straight pieces are used as a blank for the segments of the ball tracks used, which have a full rectangular cross-section. These blanks will be initially z. B. preprocessed on a planing machine except for the one shown in FIG the line 7 marked cross-section, which differs from the final cross-section 8 differs only by a relatively small oversize 9. It will be also the great machining work for the production of the balls receiving Groove made mainly by the planer. Instead of the planer can also be any other normal machine, e.g. B. a milling machine can be used, which is suitable for processing pieces in a straight line. Definitely ask the processing costs. considerably lower on such a normal machine than the cost of a corresponding machining on one for very large diameters equipped special horizontal lathe.

Das bis auf den Querschnitt entsprechend Linie 7 vorbearbeitete Stück wird entsprechend dem Durchmesser der Kugelbahn gebogen und vergütet. Darauf wird das Stück auf einer entsprechenden Horizontaldrehbank bis auf den endgültigen Querschnitt 8 fertigbearbeitet. Da hierbei nur noch eine verhältnismäßig geringe Zerspanungsarbeit geleistet zu werden braucht, entstehen nur geringe Kosten für die Fertigbearbeitung. Zuletzt kann die Lauffläche für die Kugeln, falls erforderlich, noch gehärtet werden.The piece pre-machined except for the cross-section according to line 7 is bent and tempered according to the diameter of the marble run. On it will the piece on a corresponding horizontal lathe down to the final cross-section 8 finished. Since here only a relatively small amount of machining work needs to be done, there are only low costs for finishing. Finally, the running surface for the balls can be hardened if necessary.

Die Erfindung bringt noch den weiteren Vorteil, daß eine bessere Vergütung erzielt wird, da die erfindungsgemäß vorgehobelten Kugelbahnsegmente bei der Vergütung einen kleineren Querschnitt haben als die nach dem bisherigen Verfahren hergestellten Rohlinge.The invention has the further advantage that better remuneration is achieved because the ball track segments pre-planed according to the invention in the remuneration have a smaller cross-section than those produced by the previous process Blanks.

Claims (1)

PATENTANSPRUCH: Verfahren zum Fertigen von vergüteten Segmenten großer, kreisringförmiger Kugel-oder Rollenbahnen, insbesondere für Schwenkwerke von Baggern, Kranen od. dgl., wobei die Segmente aus geraden Rohlingen entsprechend der Krümmung der Bahn gebogen sind und das Profil der Kugel- oder Rollenbahn aus dem einfachen Profil der Rohlinge allseitig spanabhebend herausgearbeitet. wird, dadurch gekennzeichnet, daß die Rohlinge zunächst so weit spanabhebend, z. B. auf einer Hobelmaschine, bearbeitet werden, daß sie bis auf ein übermaß (9) das Bahnprofil erhalten, daß darauf die so entstandenen Halbwerkstücke gebogen, danach vergütet und alsdann auf einer Drehbank fertigbearbeitet werden.PATENT CLAIM: Process for manufacturing tempered segments of large, circular ball or roller tracks, in particular for slewing gears of excavators, Cranes or the like, the segments made of straight blanks according to the curvature the track are curved and the profile of the ball or roller track from the simple Profile of the blanks machined on all sides. is characterized by that the blanks are initially so far cutting, z. B. on a planer processed be that they get up to an excess (9) the track profile that on it the The resulting half-workpieces are bent, then tempered and then on a lathe be finished.
DEA19310A 1953-12-11 1953-12-11 Process for the production of remunerated segments of circular ball tracks or roller tracks, in particular for slewing gears of excavators, cranes or the like. Expired DE959076C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA19310A DE959076C (en) 1953-12-11 1953-12-11 Process for the production of remunerated segments of circular ball tracks or roller tracks, in particular for slewing gears of excavators, cranes or the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA19310A DE959076C (en) 1953-12-11 1953-12-11 Process for the production of remunerated segments of circular ball tracks or roller tracks, in particular for slewing gears of excavators, cranes or the like.

Publications (1)

Publication Number Publication Date
DE959076C true DE959076C (en) 1957-02-28

Family

ID=6924412

Family Applications (1)

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DEA19310A Expired DE959076C (en) 1953-12-11 1953-12-11 Process for the production of remunerated segments of circular ball tracks or roller tracks, in particular for slewing gears of excavators, cranes or the like.

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036018B (en) * 1957-09-04 1958-08-07 Kloeckner Georgsmarienwerke Ag Process for the production of remunerated segments of large, circular ball or roller tracks, in particular for slewing gears of excavators, cranes or the like.
DE1239181B (en) * 1959-07-14 1967-04-20 Eisenwerk Rothe Erde G M B H Device for leveling and expanding ring-shaped blanks of a large, lightweight ball bearing, in particular a vehicle steering ring
DE102012108819A1 (en) * 2012-09-19 2014-03-20 Nordischer Maschinenbau Rud. Baader Gmbh + Co. Kg Rolling and rotary device with roller bearings

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036018B (en) * 1957-09-04 1958-08-07 Kloeckner Georgsmarienwerke Ag Process for the production of remunerated segments of large, circular ball or roller tracks, in particular for slewing gears of excavators, cranes or the like.
DE1239181B (en) * 1959-07-14 1967-04-20 Eisenwerk Rothe Erde G M B H Device for leveling and expanding ring-shaped blanks of a large, lightweight ball bearing, in particular a vehicle steering ring
DE102012108819A1 (en) * 2012-09-19 2014-03-20 Nordischer Maschinenbau Rud. Baader Gmbh + Co. Kg Rolling and rotary device with roller bearings
US9587677B2 (en) 2012-09-19 2017-03-07 Nordischer Maschinenbau Rud. Baader Gmbh + Co. Kg Rolling bearing, and rotary device with rolling bearing

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