GB2120739A - An assembly of a bearing and a sleeve for mounting on a shaft - Google Patents
An assembly of a bearing and a sleeve for mounting on a shaft Download PDFInfo
- Publication number
- GB2120739A GB2120739A GB08313600A GB8313600A GB2120739A GB 2120739 A GB2120739 A GB 2120739A GB 08313600 A GB08313600 A GB 08313600A GB 8313600 A GB8313600 A GB 8313600A GB 2120739 A GB2120739 A GB 2120739A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sleeve
- ring
- assembly
- bearing
- inner race
- 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.)
- Withdrawn
Links
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/09—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces
- F16D1/093—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
- F16D1/095—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping with clamping effected by ring contraction only
- F16D1/096—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping with clamping effected by ring contraction only the ring or rings being located between the shaft and the hub
-
- 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
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race 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
- 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
- F16C2226/10—Force connections, e.g. clamping
- F16C2226/16—Force connections, e.g. clamping by wedge action, e.g. by tapered or conical parts
-
- 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
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Abstract
In an assembly of a bearing (16) and a sleeve (10) for mounting on a shaft, the sleeve has a plurality of tapering portions (12) arranged axially in series on its outer surface. To minimise the radial dimensions of the mounting when the bearing is mounted on a shaft, the bore of the inner race ring (17) of the bearing has a plurality of tapering portions (18) which correspond to and co-operate with those of the sleeve. Tightening of nut (14) displaces the ring (17) axially, causing the sleeve (10) to be radially clamped onto the shaft. <IMAGE>
Description
SPECIFICATION
An assembly of a bearing and a sleeve for mounting on a shaft
This invention concerns an assembly of a bearing and a sleeve for mounting on a shaft.
Specification DE (OS) 1945364 shows an adaptor sleeve having a tapered portion arranged in the bore of an inner race ring of a bearing, the bore of the inner race ring having a corresponding taper. In such an assembly the radial dimension of the sleeve and the inner race ring is large because of the relatively long axial extent of the tapered portions.
This means that the larger ends of the tapered portions have considerably larger diameters than the smailer ends. Consequently the sleeve has to be heavily deformed during its introduction into the bore of the inner race ring when a mounting flange is disposed at the small end of the sleeve. Also the inner race ring sometimes must be thicker than required for reasons of strength and so a larger and more expensive bearing must be used.
Specification US 1251449 shows an assembly using inner and outer adaptor sleeves which have corresponding and co-operating tapered portions arranged axially in series.
Such an assembly has a considerable radial extent because of the two sleeves. Also there are two pairs of cylindrical engaging surfaces which means an increased risk of undesired sliding in the friction joint under loads. Inevitable manufacturing tolerances of the two sleeves may be added which may cause the inner race ring to be deformed by the sleeves during mounting.
The invention provides an assembly of a bearing and a sleeve for mounting on a shaft, the sleeve having on its radially outer surface a plurality of tapering portions arranged axially in series and the bearing having a ring extending around the sleeve, wherein the bore of the ring has a plurality of tapering portions arranged axially in series which correspond to and co-operate with those of the sleeve.
Such an assembly comprises only a few parts which are easy and relatively cheap to manufacture to a desired accuracy, is easy to handle and allows the use of bearings having the smallest dimensions possible for each application.
An embodiment of the invention will now be described by way of example, reference being made to the accompanying drawing which is part of a longitudinal section through an assembly of a radial bearing and a sleeve.
The assembly shown in the drawing comprises a sleeve 10 having a cylindrical bore 11. Part of the radially outer surface of the sleeve 10 has a plurality-three are shown of tapering portions 1 2 arranged axially in series. The tapering portions 1 2 are in fact conically extending surfaces joined by radially extending surfaces. Spaced axially from the tapering portions 1 2 is a flange ring 1 3 which is secured to the outer surface of the sleeve 20 in a groove and has a screw-threaded radially outer surface.A nut 1 4 is screwed onto the flange ring 1 3 and has a flange 1 5 extending radially inwardly on the axial side nearer the tapering portions 1 2.
A deep groove radial ball bearing 1 6 is disposed on the sleeve 10 adjacent to the flange 1 5 of the nut 14, and has a radially inner race ring 1 7 surrounding that part of the sleeve having the taper ring portions 1 2. The bore of the inner race ring 1 7 has a plurality of tapering portions 1 8 corresponding to and co-operating with the tapering portions 1 2 of the sleeve 10.
When the bearing 1 6 is to be mounted on a shaft, the assembly is disposed on the shaft with the shaft extending into the bore 11 of the sleeve 10. The nut 14 is screwed on the ring 1 3 up against the axial side of the adjacent inner race ring 1 7 to displace the race ring axially and up the conical surfaces of the tapering portions 1 2. This causes the sleeve 10 to be radially clamped onto the shaft.
The sleeve 10 can be produced from strip metal by cutting or plastically deforming the strip to provide on one side transversely extending tapering portions and a groove. The strip is then cut to the desired length and bent to form a slotted or split sleeve having the tapering portions 1 2 and the annular groove for the screw-threaded flange ring 1 3.
Such a sleeve can have a very thin wall so that the diameter of the bore of the inner race ring can be kept to a minimum. Since the sleeve has a plurality of tapering portions instead of just one, the difference in diameter between the larger and smaller ends of each tapering portion is small. Consequently the sleeve only has to be slightly deformed in order for it to be introduced into the bore of the inner race ring.
The tapering portions in the bore of the inner race ring can be produced by a simple grinding operation which is not much more difficult or expensive that the common grinding operation for a cylindrical bore.
Modifications to the illustrated and described embodiment are possible. For example, to displace the inner race ring axially in order to produce the radial clamping force, a plurality of screws extending axially in bores in the flange ring can be used instead of the nut. Also bearings other than the deep groove radial ball bearing can be used.
1. An assembly of a bearing and a sleeve for mounting on a shaft, the sleeve having on its radially outer surface a plurality of tapering portions arranged axially in series and the
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (3)
1. An assembly of a bearing and a sleeve for mounting on a shaft, the sleeve having on its radially outer surface a plurality of tapering portions arranged axially in series and the bearing having a ring extending around the sleeve, wherein the bore of the ring has a plurality of tapering portions arranged axially in series which correspond to and co-operate with those of the sleeve.
2. An assembly substantially as herein described with reference to and as shown in the accompanying drawing.
3. An assembly as claimed in claim 1 or 2 when mounted on a shaft.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8203073A SE8203073L (en) | 1982-05-17 | 1982-05-17 | DEVICE FOR FIXING A STOCK |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8313600D0 GB8313600D0 (en) | 1983-06-22 |
GB2120739A true GB2120739A (en) | 1983-12-07 |
Family
ID=20346828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08313600A Withdrawn GB2120739A (en) | 1982-05-17 | 1983-05-17 | An assembly of a bearing and a sleeve for mounting on a shaft |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS58207527A (en) |
FR (1) | FR2526897A1 (en) |
GB (1) | GB2120739A (en) |
IT (2) | IT8321839V0 (en) |
SE (1) | SE8203073L (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2136093A (en) * | 1983-03-07 | 1984-09-12 | Skf Ab | Securing members to shafts |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0529370Y2 (en) * | 1987-01-19 | 1993-07-28 | ||
USRE33962E (en) * | 1987-01-19 | 1992-06-16 | Nippon Seiko Kabushiki Kaisha | Bearing device assembly |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1216455A (en) * | 1968-04-17 | 1970-12-23 | Siemag Siegener Masch Bau | Winding apparatus for material in band form |
GB2036926A (en) * | 1978-11-22 | 1980-07-02 | Sundwiger Eisen Maschinen | Reeling machine |
GB2063442A (en) * | 1979-11-07 | 1981-06-03 | Weber R | Drying Textiles |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1251449A (en) * | 1916-08-03 | 1917-12-25 | Josef Vorraber | Clamping device for ball-bearings. |
JPS564912U (en) * | 1979-06-26 | 1981-01-17 |
-
1982
- 1982-05-17 SE SE8203073A patent/SE8203073L/en not_active Application Discontinuation
-
1983
- 1983-05-11 JP JP58082439A patent/JPS58207527A/en active Pending
- 1983-05-13 IT IT8321839U patent/IT8321839V0/en unknown
- 1983-05-13 IT IT21114/83A patent/IT1161194B/en active
- 1983-05-16 FR FR8308072A patent/FR2526897A1/en not_active Withdrawn
- 1983-05-17 GB GB08313600A patent/GB2120739A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1216455A (en) * | 1968-04-17 | 1970-12-23 | Siemag Siegener Masch Bau | Winding apparatus for material in band form |
GB2036926A (en) * | 1978-11-22 | 1980-07-02 | Sundwiger Eisen Maschinen | Reeling machine |
GB2063442A (en) * | 1979-11-07 | 1981-06-03 | Weber R | Drying Textiles |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2136093A (en) * | 1983-03-07 | 1984-09-12 | Skf Ab | Securing members to shafts |
Also Published As
Publication number | Publication date |
---|---|
IT8321839V0 (en) | 1983-05-13 |
FR2526897A1 (en) | 1983-11-18 |
GB8313600D0 (en) | 1983-06-22 |
IT8321114A1 (en) | 1984-11-13 |
IT1161194B (en) | 1987-03-11 |
JPS58207527A (en) | 1983-12-03 |
IT8321114A0 (en) | 1983-05-13 |
SE8203073L (en) | 1983-11-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |