WO2005054706A1 - Verfahren zur herstellung von rundlagern, insbesondere in automobilen - Google Patents
Verfahren zur herstellung von rundlagern, insbesondere in automobilen Download PDFInfo
- Publication number
- WO2005054706A1 WO2005054706A1 PCT/EP2004/013148 EP2004013148W WO2005054706A1 WO 2005054706 A1 WO2005054706 A1 WO 2005054706A1 EP 2004013148 W EP2004013148 W EP 2004013148W WO 2005054706 A1 WO2005054706 A1 WO 2005054706A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- iii
- bearing
- hollow
- bearing element
- bush
- Prior art date
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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3842—Method of assembly, production or treatment; Mounting thereof
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3863—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by the rigid sleeves or pin, e.g. of non-circular cross-section
Definitions
- the invention relates to circular bearings containing (i) hollow, preferably cylindrical, outer bushing, (ii) hollow, preferably cylindrical, preferably elastic, bearing element and (i hollow, preferably cylindrical, inner bushing.
- the invention also relates to methods for producing these round bearings and to automobiles or trucks containing the round bearings according to the invention ,
- Round bearings are used in automobiles, for example, within the chassis and are generally known. With the help of circular bearings, aggregates, gears, motors, chassis components, etc. connected to each other or to the body. Through the use of elastomer materials, they fulfill the function of elastic support; on the other hand, due to their viscous properties, they are able to dissipate energy and thus dampen vibrations. A high degree of damping is particularly required for damping large amplitudes of low-frequency vibrations, which e.g. influence the connection of the shock absorber to the body. On the other hand, with low amplitudes and higher frequencies, high damping is undesirable for reasons of vehicle acoustics. The damping behavior of current, conventional round bearings depends on the intrinsic damping capacity of the elastomer material used.
- the object of the present invention was to develop round bearings containing (i) hollow outer bushing, (ii) hollow bearing element and (iii) hollow inner bushing, which have a secure structure of the individual parts.
- assembly and disassembly in particular should be simplified.
- At least one securing element (x) between the outer bush (i) and the bearing element (ii) and / or between the inner bush (iii) and the bearing element (ii), preferably between the outer bush (i) and the bearing element (ii). is positioned, which prevents axial displacement of the bearing element (ii) between the outer bushing (i) and the inner bushing (iii) at least in one direction, preferably in one direction, preferably.
- the inner sleeve (iii) is located within the cavity of the bearing element (ii) and the bearing element (ii) in the cavity of the outer sleeve (i).
- the securing element (x) preferably has a preferably circumferential edge (xi), which at least partially covers an end face of (i) and / or (iii), preferably (i), and a further edge (xii) which adjoins the other , ie opposite axial End of the circular bearing end face of the bearing element (ii) at least partially covers.
- the edges (xi) and (xii) preferably have a width between 1 mm and 5 mm.
- the edge (xi) has the effect that an axial displacement of the securing element (x) and, due to the further edge (xii), also of the bearing element (ii) and the inner bushing (iii) is prevented by the fixation, in particular on the outer bushing (i).
- the securing element (x) can take on additional functions in addition to the axial securing. For example, be used to generate a different identifier in two or more directions. This is possible, for example, through the embodiment shown later, in which two connecting elements (xiii) lie opposite one another. Sealing sleeves or other additional components can also be attached to the securing element (x). By fixing due to a securing element (x) in only one axial direction, it is possible to quickly and easily dismantle the
- the securing element (x) preferably has at least one connecting element (xiii) which is positioned between the outer bushing (i) and the bearing element (ii) and / or between the inner bushing (iii) and the bearing element (ii) and the edges (xi) and (xii ) connects.
- the connecting element (xiii) can be designed in the form of a sleeve, which prevents contact of the bearing element (ii) with the outer sleeve (i) or inner sleeve (iii), depending on where the securing element (x) is positioned.
- the securing element can thus be designed in the form of a hollow, cylindrical sleeve, one edge of which is outward and the other edge of which is inward, e.g. is folded or crimped, with “outwards” or “inwards” preferably meaning that the edges are particularly preferably at an angle between 75 ° and 105 °, in particular perpendicular to the longitudinal axis of the securing element and thus also to the longitudinal axis of the circular bearing are aligned.
- the securing element (x) can cover only partial areas of this possible contact area between (i) or (iii) and (ii), i.e. the one or more connecting elements can be designed in the form of webs.
- the securing element (x) between the outer bushing (i) and the bearing element (ii) preferably has two preferably axially aligned connecting elements (xiii), which are preferably located opposite one another and connect the edges (xi) and (xii).
- the two connecting elements each preferably cover a radius of 45 ° to 90 °.
- the thickness of the securing element (x), ie in particular also the thickness of the edges (xi) and (xii) and the thickness of the connecting element (xiii) is preferably between 0.75 mm and 2 mm.
- the circular bearings according to the invention can have generally customary dimensions, which can vary depending on the application.
- the bearing element (ii) preferably has an outer diameter between 20 mm and 100 mm, a diameter of the cavity between 10 mm and 80 mm and a length, ie axial extension between 15 mm and 100 mm. These preferred dimensions are particularly preferred, in particular, for applications in automobile construction.
- Circular bearings according to the invention are shown by way of example in FIGS. 1 and 2.
- the figures in particular show the shape of the preferred edges (xi) and (xii), which preferably point in the opposite direction, preferably perpendicular to the longitudinal axis of the circular bearing.
- the arrow in Figure 1 indicates the direction of securing.
- the circular bearings according to the invention containing (i) hollow outer sleeve, (ii) hollow bearing element, (iii) hollow inner sleeve and securing element (x) can be produced by positioning the securing element (x) in the cavity of the outer sleeve (i) and then the Bearing element (ii) and the hollow inner bushing (iii) positioned in the preferably pre-assembled outer bushing (i) and the securing element (x), preferably pressed into the preferably pre-assembled outer bushing (i) and the securing element (x).
- the circular bearings comprising (i) hollow outer bush, (ii) hollow bearing element, (iii) hollow inner bush and securing element (x) by positioning the inner bush (iii) in the cavity of the bearing element (ii), the bearing element (ii) in the securing element (x) and then the securing element (x), the bearing element (ii) and the inner sleeve (iii) in the cavity of the outer sleeve (i), preferably pressed.
- the circular bearings comprising (i) hollow outer bush, (ii) hollow bearing element, (iii) hollow inner bush and securing element (x) by placing the securing element (x) between the inner bush (iii) and the bearing element ( ii) positioned and then inner bushing (iii), securing element (x) and bearing element (ii) positioned in the outer bushing, preferably pressed into the outer bushing.
- the entire circular bearing containing (i), (ii), (x) and (iii) is not completely assembled and then installed in the object in which the circular bearing is to be used, but the outer bushing (i ) with the outer structure, in particular the body of a motor vehicle, and only then are inner bushing (iii), bearing element (ii) and securing element (x) inserted into the cavity of the outer bushing (i).
- the object in which the circular bearing is to be used preferably already has a device which is used as Outer socket can serve on. This means that the outer bush is only assembled with the object or is already planned as an integral part of the object and only then is the mounting of the bearing element (ii) and the inner bush (iii) with the outer bush (i).
- the bearing elements can be manufactured on the basis of semi-finished products, so that changes in the material and the geometry can be carried out very easily. Furthermore, quality assurance measures on the bearing elements can be carried out very easily. This increases process reliability.
- the bearing elements can be assembled very flexibly, so that, for example, bearing elements with different mechanical properties can be combined with one another.
- the design of such bearings makes the outer sleeve unnecessary and thus saves an individual part.
- the design of such bearings can save calibration steps that have to be carried out with conventional type circular bearings. Adhesion promoters can also be saved during production.
- the outer bush with the object that is to contain the circular bearing, i.e. connected, for example by screwing or welding, and then inserting the bearing element (ii) and the inner sleeve (iii) into the cavity of the outer sleeve (iii).
- the outer bush (i) is part of the object that the circular bearing is to contain.
- Preload is to be understood in particular to mean that the wall thickness of the bearing element (ii) is greater than the distance between the inner bushing (iii) and the outer bushing (i) or the securing element (x), i.e. the bearing element is compressed in the radial direction.
- a press-in device (iv), which has at least one punch (v) and at least one outer sleeve (vi), can preferably be used to mount the (ii) hollow bearing element and the (iii) hollow inner bushing in the preassembled outer bushing (i).
- the preferred example of a press-in device is shown in FIG. 3, the securing element (x) being omitted for simplicity in the illustration.
- the hollow bearing element (ii) and the hollow inner bushing (iii) can then be pushed or pressed into the outer bushing.
- the outer sleeve (vi) preferably tapers, ie it tapers in the mounting direction, ie in the direction in which the bearing element (ii) and inner bushing (iii) are pushed. Because of this preferred taper, the hollow bearing element (ii) is compressed in the radius in the pre-assembled outer bushing (i) when it is pressed in by means of the plunger (v), ie there is tension between the outer bushing (i) and the inner bushing (iii).
- the stamp is shown extended, i.e. (ii) and (iii) are already in the outer socket (i).
- the preferred conical shape of the outer sleeve (vi) can be seen clearly in FIG. 3.
- the stamp is constructed in two parts. A part of the stamp (va) presses the inner bush (iii), another part (vb), which is preferably moved synchronously with (va), presses the bearing element (ii).
- the dimensions can largely be chosen arbitrarily and preferably depend on the dimensions of known circular bearings. The dimensions are particularly preferably selected such that the bearing element (ii) is compressed between (i) and (iii), i.e. as shown under prestress.
- the length of the circular bearing and the total diameter as well as the diameter of the cavity of the inner bushing (iii) can depend on the application and the objects to be stored. The choice of suitable dimensions is familiar to the person skilled in the art.
- the object that is to contain the circular bearing can preferably be the chassis or the body or parts of the body, for example the subframe, an automobile or a truck.
- the outer bush (i) can either be pre-assembled with the body, for example screwed or welded, or already planned as part of the body during the development of the body and thus as an integral part of the assembly of the inner bush (iii) and bearing element (ii) Part of the body or chassis is present.
- the outer bushing (i) is already part of the body, that is, before the bearing element (ii) and the inner bushing (iii) are inserted into the outer bushing (i). firmly mounted to the body, for example screwed or welded.
- Objects that are to be stored by means of the circular bearing, in particular with the body of an automobile or a truck include, for example, all types of units, subframes, handlebars, gearboxes and / or attachments, preferably units, handlebars and / or gearboxes, particularly preferably rear axle gearboxes Question.
- These parts to be stored with the preferably damping round bearing can be fastened to the round bearing, for example, by screwing them in with screws, bolts, pins, rivets or other positive or non-positive connections, preferably screws, bolts, pins. , Rivet connections attached, preferably with the help of the hollow inner socket.
- Circular bearings are preferred in which the body of a motor vehicle is firmly connected to the outer bushing (i) and the motor, transmission and / or handlebars are fastened to the inner bushing (iii). It is preferred to attach units, handlebars and / or gearboxes, particularly preferably rear axle gearboxes, to the inner bushing (iii) and thus preferably to connect them to the body of an automobile or a truck, preferably in a vibration-damping manner. It is also conceivable for these bearings to be introduced, for example, into the end shields of transmissions and assemblies which are then connected to the body.
- press-in aid that has friction-reducing properties.
- friction-reducing properties common lubricants or soaps come into question.
- Press-fit aids are also conceivable which, in addition to friction-reducing properties, also have adhesive properties, i.e. after assembly of (iii) in (ii) and (ii) in (i) components (i) with (ii) and / or (ii) with (iii) and / or (ii) with (x) and / or (x) glue with (i).
- the inner sleeve (iii) can be based on conventional materials, e.g. metals, e.g. Steel, iron and / or aluminum or hard plastics, e.g. TPU.
- the inner bushing (iii) usually has an inner bore for receiving a fastening bolt.
- the outer diameter results from strength reasons.
- This can vary in diameter, thickness, design and number. With radial loads, the collar forms the preferred friction surface on the flanks and the travel limit on the front side during deflection. This contour also offers a particularly advantageous characteristic when gimbal loads occur.
- the bearing bush (ii) preferably does not project over the inner bush in the axial orientation.
- the bearing element (ii) can consist of one or more individual parts which have elastic properties. If at least two bearing elements are used, then these can be put together in a plug-in system to form a complete bearing element, depending on requirements, whereby generally known "plug-in" methods can be selected, for example tongue and groove. On the other hand, integral connections are possible, for example, using suitable adhesives Bearing elements with different properties can thus be used, which depending on their arrangement in the round bearing can take on specific requirements. If at least two bearing elements (ii) are used, they preferably have different densities and thus different mechanical and dynamic properties.
- a bearing element (ii) can consist of a low density microcellular PUR in order to generate a lot of damping in the application due to the relative movement to the inner and outer bushing
- another bearing element (ii) in the circular bearing can also consist of a microcellular pur high density to ensure dynamic stiffness and to the max.
- the bearing element (ii) according to the invention is usually based on rubber or cellular or compact (TPU, cast elastomer) polyisocyanate polyaddition products, preferably on cellular polyisocyanate polyaddition products.
- the bearing element (ii) is particularly preferably based on cellular polyisocyanate polyaddition products, preferably based on cellular polyurethane elastomers, which may optionally contain polyurea structures, particularly preferably based on cellular polyurethane elastomers, preferably with a density according to DIN 53420 of 200 to 1100 , preferably 300 to 800 kg / m 3 , a tensile strength according to DIN 53 571 of ⁇ 2, preferably 2 to 8 N / mm 2 , an elongation according to DIN 53571 of ⁇ 300, preferably 300 to 700% and a tear resistance according to DIN 53515 of > 8, preferably 8 to 25 N / mm.
- the elastomers are preferably microcellular elastomers based on polyisocyanate polyadducts, preferably with cells with a diameter of 0.01 mm to 0.5 mm, particularly preferably 0.01 to 0.15 mm.
- the elastomers particularly preferably have the physical properties shown at the outset.
- Elastomers based on polyisocyanate polyaddition products and their production are generally known and can be described in many different ways, for example in EP-A 62 835, EP-A 36 994, EP-A 250 969, DE-A 19548770 and DE-A 19548771. They are usually prepared by reacting isocyanates with compounds which are reactive toward isocyanates.
- the elastomers based on cellular polyisocyanate polyadducts are usually produced in a form in which the reactive starting components are reacted with one another.
- generally customary shapes are considered as shapes, for example metal shapes which, because of their shape, ensure the three-dimensional shape of the spring element according to the invention.
- the polyisocyanate polyaddition products can be prepared by generally known processes, for example by using the following starting materials in a one- or two-stage process:
- blowing agent and / or (f) auxiliaries and / or additives, for example polysiloxanes and / or fatty acid sulfonates.
- the cellular polyisocyanate polyaddition products preferably have a compression set of less than 25% in accordance with DIN 53572, cubes measuring 40 mm ⁇ 40 mm ⁇ 30 mm without silicone coating being used as test specimens, the test being carried out with constant deformation, the test specimens being 40% pressed together and held in the recirculating air cabinet at 80 ° C for 22 hours, the test device is cooled to room temperature for 2 hours after being removed from the warming cabinet, then the test specimen is removed from the test device and 10 min ⁇ 30 s after removal the test specimen from the test facility the height of the test specimen is measured with an accuracy of 0.1 mm.
- the outer sleeve (i) can be based on common materials, e.g. metals, e.g. Steel, iron and / or aluminum or hard plastics, e.g. TPU.
- the outer bushing is preferably based on the same material as the object in which it is to be used, particularly preferably, for example in the case of assembly in car bodies, on steel and / or aluminum, in particular steel.
- the outer bush (i) has an outer diameter and an inner diameter, which can vary in dimensions and designs.
- the invention includes both calibrated and uncalibrated sockets.
- the securing element (x) can be based on common materials, e.g. metals, e.g. Steel, iron and / or aluminum or hard plastics, e.g. TPU, POM, polyamide.
- Inner bushing (iii), outer bushing (i) and securing element (x) can be based on the same or different materials.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112004002249T DE112004002249A5 (de) | 2003-11-24 | 2004-11-19 | Verfahren zur Herstellung von Rundlagern, insbesondere in Automobilen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003155111 DE10355111A1 (de) | 2003-11-24 | 2003-11-24 | Verfahren zur Herstellung von Rundlagern, insbesondere in Automobilen |
DE10355111.5 | 2003-11-24 |
Publications (1)
Publication Number | Publication Date |
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WO2005054706A1 true WO2005054706A1 (de) | 2005-06-16 |
Family
ID=34609281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/013148 WO2005054706A1 (de) | 2003-11-24 | 2004-11-19 | Verfahren zur herstellung von rundlagern, insbesondere in automobilen |
Country Status (2)
Country | Link |
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DE (2) | DE10355111A1 (de) |
WO (1) | WO2005054706A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109500575A (zh) * | 2018-11-15 | 2019-03-22 | 盐城市华悦汽车部件有限公司 | 一种汽车悬挂下摆臂的衬套组装设备 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0036994A2 (de) | 1980-03-28 | 1981-10-07 | Bayer Ag | Verfahren zur Herstellung wasserdichter Formkörper aus zelligen Polyurethan-Elastomeren und ihre Verwendung als Federungselemente |
EP0062835A1 (de) | 1981-04-04 | 1982-10-20 | Elastogran GmbH | Verfahren zur Herstellung von geschlossenzelligen Polyurethan-Formteilen mit einer verdichteten Randzone |
EP0250969A1 (de) | 1986-06-24 | 1988-01-07 | Bayer Ag | Verfahren zur Herstellung von zelligen Polyurethanelastomeren |
DE19548770A1 (de) | 1995-12-23 | 1997-06-26 | Basf Ag | Mikrozelluläres, harnstoffgruppenhaltiges Polyurethanelastomer |
DE19548771A1 (de) | 1995-12-23 | 1997-06-26 | Basf Ag | Mikrozelluläres, harnstoffgruppenhaltiges Polyurethanelastomer |
JP2002317843A (ja) * | 2001-04-19 | 2002-10-31 | Toyo Tire & Rubber Co Ltd | 防振マウント |
EP1279855A2 (de) * | 2001-07-26 | 2003-01-29 | Toyo Tire & Rubber Co., Ltd . | Schwingungsdämpfende Buchse und Verfahren zur Herstellung derselben |
JP2004138212A (ja) * | 2002-10-21 | 2004-05-13 | Tokai Rubber Ind Ltd | ブッシュ |
-
2003
- 2003-11-24 DE DE2003155111 patent/DE10355111A1/de not_active Withdrawn
-
2004
- 2004-11-19 DE DE112004002249T patent/DE112004002249A5/de not_active Withdrawn
- 2004-11-19 WO PCT/EP2004/013148 patent/WO2005054706A1/de active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0036994A2 (de) | 1980-03-28 | 1981-10-07 | Bayer Ag | Verfahren zur Herstellung wasserdichter Formkörper aus zelligen Polyurethan-Elastomeren und ihre Verwendung als Federungselemente |
EP0062835A1 (de) | 1981-04-04 | 1982-10-20 | Elastogran GmbH | Verfahren zur Herstellung von geschlossenzelligen Polyurethan-Formteilen mit einer verdichteten Randzone |
EP0250969A1 (de) | 1986-06-24 | 1988-01-07 | Bayer Ag | Verfahren zur Herstellung von zelligen Polyurethanelastomeren |
DE19548770A1 (de) | 1995-12-23 | 1997-06-26 | Basf Ag | Mikrozelluläres, harnstoffgruppenhaltiges Polyurethanelastomer |
DE19548771A1 (de) | 1995-12-23 | 1997-06-26 | Basf Ag | Mikrozelluläres, harnstoffgruppenhaltiges Polyurethanelastomer |
JP2002317843A (ja) * | 2001-04-19 | 2002-10-31 | Toyo Tire & Rubber Co Ltd | 防振マウント |
EP1279855A2 (de) * | 2001-07-26 | 2003-01-29 | Toyo Tire & Rubber Co., Ltd . | Schwingungsdämpfende Buchse und Verfahren zur Herstellung derselben |
JP2004138212A (ja) * | 2002-10-21 | 2004-05-13 | Tokai Rubber Ind Ltd | ブッシュ |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 02 5 February 2003 (2003-02-05) * |
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109500575A (zh) * | 2018-11-15 | 2019-03-22 | 盐城市华悦汽车部件有限公司 | 一种汽车悬挂下摆臂的衬套组装设备 |
Also Published As
Publication number | Publication date |
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DE10355111A1 (de) | 2005-06-23 |
DE112004002249A5 (de) | 2008-02-28 |
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