SE447711B - DON FOR ASSEMBLY OF STOCK MEDIUM WELDING - Google Patents
DON FOR ASSEMBLY OF STOCK MEDIUM WELDINGInfo
- Publication number
- SE447711B SE447711B SE8501887A SE8501887A SE447711B SE 447711 B SE447711 B SE 447711B SE 8501887 A SE8501887 A SE 8501887A SE 8501887 A SE8501887 A SE 8501887A SE 447711 B SE447711 B SE 447711B
- Authority
- SE
- Sweden
- Prior art keywords
- bearing
- wall
- cavity
- thickness
- hub part
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/042—Housings for rolling element bearings for rotary movement
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/067—Fixing them in a housing
-
- 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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings 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
- F16C19/06—Bearings 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
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/30—Material joints
- F16C2226/36—Material joints by welding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Description
LH 10 20 25 30 447 711 av sagda fria ände av väggen når fram till navdelen och det däri befintliga lagret. LH 10 20 25 30 447 711 of said free end of the wall reaches the hub part and the bearing present therein.
Enligt ett föredraget utförande av uppfinningen är vägg- delen och navdelen utförda i ett stycke och sinsemellan partiellt åtskilda medelst ett ringformigt eller ändlöst spår.According to a preferred embodiment of the invention, the wall part and the hub part are made in one piece and partially separated from each other by means of an annular or endless groove.
Kort beskrivning av bifogade ritningar På ritningarna är fig 1 en delvis i vy visad tvärsektion genom ett don enligt uppfinningen, varvid donet visas applice- rat på en maskíndel i form av en plåtvägg, fig 2 en sidovy visande samma maskindel i förminskad skala och fig 3 en perspek- tivvy illustrerande en fixtur för montering av don enligt upp- fínningen.Brief description of the accompanying drawings In the drawings, Fig. 1 is a partially sectioned cross-section through a device according to the invention, the device being shown applied to a machine part in the form of a sheet metal wall, Fig. 2 a side view showing the same machine part in reduced scale and Fig. 3 a perspective view illustrating a fixture for mounting devices according to the invention.
Detaljerad beskrivning av ett föredraget utförande av upp- finningen I fig 1 betecknar 1 generellt ett lager för en axel 2 vilken är roterbar relativt en maskindel som i detta fall tän- kes bestå av en enkel plåtvägg 3. Lagret 1 kan utgöras av vil- ken som helst typ av rull- eller glidlager, t ex ett kullager.Detailed description of a preferred embodiment of the invention In Fig. 1, 1 generally denotes a bearing for a shaft 2 which is rotatable relative to a machine part which in this case is thought to consist of a simple sheet metal wall 3. The bearing 1 can be constituted by which any type of roller or plain bearing, such as a ball bearing.
Med axeln 2 är förknippad en skiva 4 ingående i en kilreps- transmission som förutom ett kilrep 5 inbegriper ytterligare skivor 4' anordnade på axlar vilka i likhet med axeln är lag- rade relativt väggen 3 ( se fig 2 ).Associated with the shaft 2 is a disc 4 included in a V-rope transmission which, in addition to a V-rope 5, comprises further discs 4 'arranged on shafts which, like the shaft, are mounted relative to the wall 3 (see Fig. 2).
Ett i enlighet med uppfinningen utfört don för montering av lagret 1 är i sin helhet betecknat 6. Detta don har formen av ett hus i vilket förefinns en i detta fall väsentligen cy- lindrisk hålighet 7 i vilket lagret 1 kan mottagas med täm- ligen fin passning. Närmare bestämt är håligheten 7 avgränsad av dels en cylindrisk yta, dels en ringformig ansatsyta 8.A device designed in accordance with the invention for mounting the bearing 1 is designated in its entirety 6. This device has the shape of a housing in which there is in this case a substantially cylindrical cavity 7 in which the bearing 1 can be received with a rather fine fit. More specifically, the cavity 7 is delimited by a cylindrical surface and an annular shoulder surface 8.
Lagret 1 kan hållas på plats i denna hålighet på många olika sätt, t ex medelst en Seeger-säkring eller, såsom visas på rit- ningen medelst en täckplatta 9 av lämpligt slag.The bearing 1 can be held in place in this cavity in many different ways, for example by means of a Seeger fuse or, as shown in the drawing, by means of a cover plate 9 of a suitable type.
I enlighet med uppfinningens princip inbegriper ifråga- varande hus dels en central, navartad del 10 i vilken hålig- 1:1” (Il 10 15 20 30 35 447 711 heten 7 är urtagen, dels en frän denna navdel utskjutande, cylindrisk eller ändlös vägg 11 vars fria ände 12 är fäst i ett genomgående hål 13 i väggen 3 med hjälp av en eller flera svetsar 14. Denna vägg 11 uppvisar påtaglig axiell utsträck- ning i syfte att lokalisera den fria änden 12 på ett påtag- ligt avstånd från den med navdelen 10 förbundna änden 15 av densamma, allt i syfte att förhindra att deformerande värme- spänningar som utvecklas vid fastsvetsningen av väggdelen 11 vid detaljen 3 när fram till navdelen 10 och det däri befint- liga lagret 1. I det visade exemplet är väggdelen 11 och nav- delen 10 utförda i ett sammanhängande stycke och sinsemellan partiellt åtskilda medelst ett ringformigt eller ändlöst spår 16. I förhållande till donets 6 totala axiella utsträckning (dvs avståndet mellan de båda motsatta gavelytorna 12 och 17') är spåret 16 mycket djupt. Närmare bestämt har spåret ett så- dant djup att tjockleken av det materialparti 18 som förbin- der navdelen 10 med väggdelen 11 ej påtagligt överskrider tjockleken av själva väggdelen 11. Såsom vidare framgår av fig 1 är lagret 1 eller lagerhåligheten 7 i sin helhet belägen på den ena sidan av ett tänkt plan genom det runtomgående spârets 16 botten, nämligen på den sida av sagda plan som är vänd ät vänster i fig 1. I praktiken lokaliseras därför lag- ret 1 ungefär mittemellan husets 6 båda motsatta gavelytor 17, 17'.In accordance with the principle of the invention, the housing in question comprises on the one hand a central, hub-like part 10 in which the cavity 1: 1 ”(Il 11 whose free end 12 is fixed in a through hole 13 in the wall 3 by means of one or more welds 14. This wall 11 has a marked axial extent in order to locate the free end 12 at a considerable distance from the one with the hub part 10 connected to the end 15 thereof, all in order to prevent deforming thermal stresses which develop during the welding of the wall part 11 at the part 3 reaching the hub part 10 and the layer 1 present therein. In the example shown, the wall part 11 and the hub part 10 made in a continuous piece and partially separated from each other by means of an annular or endless groove 16. In relation to the total axial extent of the device 6 (ie the distance between the two opposite end surfaces 12 and 17 ') the groove 16 is very deep. More specifically, the groove has such a depth that the thickness of the material portion 18 connecting the hub part 10 to the wall part 11 does not significantly exceed the thickness of the wall part 11 itself. As further appears from Fig. 1, the bearing 1 or the bearing cavity 7 is located in its entirety on one side of an imaginary plane through the bottom of the circumferential groove 16, namely on the side of said plane facing left in Fig. 1. In practice, therefore, the bearing 1 is located approximately midway between the two opposite end surfaces 17, 17 'of the housing 6.
I praktiken varierar givetvis husets 6 tjocklek eller axiella utsträckning i beroende av dimensionerna hos ifråga- kommande lager. Under alla omständigheten bör emellertid husets 6 tjocklek (dvs avstånden mellan gavelytorna 17,17') vara minst dubbel så stor som lagrets 1 tjocklek eller axíella ut- sträckning. Härigenom erhåller väggdelen 11 en i förhållande till lagrets 1 dimensioner påtaglig axiell utsträckning som i kombination med det stora djupet hos spåret 16 medför att vägen för det värme som utvecklas vid applicering av svetsen 14 Och S0mfQftP1aHtäSgenom godset i huset 6 erhåller mycket lång väg från väggdelens 11 fria ände 12 till området av hål- igheten 7 och det däri befintliga lagret. Detta säkerställer UT 10 15 20 25 30 447 711 att värmespänningar som i närheten av svetsstället kan ge upp- hov till deformationer på flera tiondels millimeter hinner avklinga långt innan de når navdelen 10 och det i detta be- fintliga lagret 1. Med andra ord kan huset 6 och det medfölj- ande lagret 1 fastsvetsas utan risk för skadliga deformationer på själva lagret.In practice, of course, the thickness or axial extent of the housing 6 varies depending on the dimensions of the bearings in question. In any case, however, the thickness of the housing 6 (ie the distances between the end surfaces 17,17 ') should be at least twice as large as the thickness or axial extent of the bearing 1. As a result, the wall part 11 obtains a tangible axial extent in relation to the dimensions of the bearing 1 which in combination with the large depth of the groove 16 means that the path of the heat which develops when applying the weld 14 And SmmQ free end 12 to the area of the cavity 7 and the bearing therein. This ensures UT 10 15 20 25 30 447 711 that thermal stresses which in the vicinity of the welding site can give rise to deformations of several tenths of a millimeter have time to subside long before they reach the hub part 10 and the existing bearing 1. In other words, the housing 6 and the supplied bearing 1 are welded without risk of harmful deformations on the bearing itself.
I fíg 1 skall även noteras att navdelen 10 är något kraftigare än väggdelen 11 såtillvida att den sistnämnda har åtminstone något mindre tjocklek än navdelen. Härigenom mot- verkas ytterligare varje tendens till deformationer hos den navdel som omsluter lagret.In Fig. 1 it should also be noted that the hub part 10 is slightly stronger than the wall part 11 insofar as the latter has at least slightly less thickness than the hub part. This further counteracts any tendency to deformations of the hub part enclosing the bearing.
Nu hänvisas till fig 3 som schematiskt illustrerar huru- som det uppfinningsenlíga monteringsdonet underlätter en mått- noggrann montering av flera i en maskindetalj ingående lager.Reference is now made to Fig. 3, which schematically illustrates how the mounting device according to the invention facilitates a dimensionally accurate mounting of several bearings included in a machine part.
Utan behov av precist arbetande maskinbearbetningsutrustning kan sålunda i en plåt 3' urtagas hål 13',13" vilka har grov eller mycket grov passning i förhållande till två monterings- don 6',6" enligt uppfinningen. Plåten 3' och de två monterings- donen 6',6" appliceras på en fixtur 19 uppvisande två tappar 20,20' vilka utplacerats på ett i förväg exakt fastställt av- stånd från varandra. Dimensionerna hos dessa tappar överens- I stämmer med innermåttet hos ifrågakommande lager 1. Sedan u plåten 3' positionerats med hjälp av distanshållare 21 och donen 6',6" applicerats på tapparna 20,20' kan donen ifråga med en enkel svetsoperation stadigvarande förenas med plåten 3' i lägen som bibehåller sin exakthet under lång tid i det att dylika svetsförbindningar i motsats'tilI skruvförband för- _blir intakta även under hårda påfrestningar. Av detta framgår att en mycket mâttnoggrann montering av ifrågavarande lager kan ske trots att kraven på måttnoggrannhet vid upptagning av hålen 13',13" är extremt små.Without the need for precise machining equipment, holes 13 ', 13 "can thus be cut out in a plate 3', which have a rough or very rough fit in relation to two mounting devices 6 ', 6" according to the invention. The plate 3 'and the two mounting members 6', 6 "are applied to a fixture 19 having two pins 20,20 'which are placed at a predetermined exact distance from each other. The dimensions of these pins correspond to the internal dimension. of the bearing 1 in question. After the plate 3 'has been positioned by means of spacers 21 and the means 6', 6 "have been applied to the pins 20, 20 ', the means in question can be permanently joined to the plate 3' in positions which maintain their accuracy during for a long time in that such welded joints, in contrast to screw joints, remain intact even under hard stresses. From this it appears that a very dimensionally accurate mounting of the bearing in question can take place despite the fact that the requirements for dimensional accuracy when receiving the holes 13 ', 13 "are extremely small.
Claims (5)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8501887A SE447711B (en) | 1985-04-17 | 1985-04-17 | DON FOR ASSEMBLY OF STOCK MEDIUM WELDING |
PCT/SE1986/000169 WO1986006016A1 (en) | 1985-04-17 | 1986-04-11 | Device for mounting bearings by welding |
EP86902570A EP0218675A1 (en) | 1985-04-17 | 1986-04-11 | Device for mounting bearings by welding |
AU57701/86A AU5770186A (en) | 1985-04-17 | 1986-04-11 | Device for mounting bearings by welding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8501887A SE447711B (en) | 1985-04-17 | 1985-04-17 | DON FOR ASSEMBLY OF STOCK MEDIUM WELDING |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8501887D0 SE8501887D0 (en) | 1985-04-17 |
SE8501887L SE8501887L (en) | 1986-10-18 |
SE447711B true SE447711B (en) | 1986-12-08 |
Family
ID=20359896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8501887A SE447711B (en) | 1985-04-17 | 1985-04-17 | DON FOR ASSEMBLY OF STOCK MEDIUM WELDING |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0218675A1 (en) |
AU (1) | AU5770186A (en) |
SE (1) | SE447711B (en) |
WO (1) | WO1986006016A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10347253B4 (en) * | 2003-10-08 | 2006-04-20 | Ab Skf | Method for producing a bearing carrier for receiving at least one bearing |
-
1985
- 1985-04-17 SE SE8501887A patent/SE447711B/en not_active IP Right Cessation
-
1986
- 1986-04-11 AU AU57701/86A patent/AU5770186A/en not_active Abandoned
- 1986-04-11 EP EP86902570A patent/EP0218675A1/en not_active Withdrawn
- 1986-04-11 WO PCT/SE1986/000169 patent/WO1986006016A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU5770186A (en) | 1986-11-05 |
SE8501887L (en) | 1986-10-18 |
SE8501887D0 (en) | 1985-04-17 |
WO1986006016A1 (en) | 1986-10-23 |
EP0218675A1 (en) | 1987-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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