Method for producing a component of a sliding bearing, and component, sliding bearing and transmission of a wind turbine
A method for producing a component of a sliding bearing includes a) providing a metal bolt with a cylindrical lateral surface and two end faces; b) coating the lateral surface of the bolt with a soldering flux or material; c) providing a metal sheet made of bronze and forming it into a cylindrical sleeve having a longitudinal slot, a first side of the metal sheet forming an inside is coated with a solder material or flux before or after the forming process, the lateral surface of the bolt or the inside of the sleeve having soldering flux; d) sliding the sleeve onto the lateral surface of the bolt; and e) bonding the lateral surface and sleeve soldering. A sliding bearing produced by the method includes the component in a bore of a planetary wheel, and a second side of the metal sheet and planetary wheel are in direct sliding contact.
1. A method for producing a component of a sliding bearing, comprising the following steps:
a) providing a metal bolt with a cylindrical lateral surface and two end faces;
b) coating the cylindrical lateral surface of the bolt with a soldering flux or a solder material;
c) providing a metal sheet made of bronze and forming the metal sheet into a cylindrical sleeve having a longitudinal slot, wherein a first side of the metal sheet forming an inside of the sleeve is coated with a solder material or a soldering flux before or after the forming process, either the lateral surface of the bolt or the inside of the sleeve having the soldering flux;
d) sliding the sleeve onto the lateral surface of the bolt;
e) integrally bonding the lateral surface and the sleeve by soldering to form a solder layer between the cylindrical lateral surface of the metal bolt and the sleeve; and
f) closing the longitudinal slot of the sleeve by welding.
2. The method according to claim 1 , wherein the solder material comprises silver.
3. The method according to claim 1 , wherein the solder material is applied in a layer thickness in a range of up to 160 μm.
4. The method according to claim 1 , wherein the solder material is applied by thermal spraying.
5. The method according to claim 1 , wherein the sleeve is pressed against the bolt during the soldering.
6. The method according to claim 1 , wherein the sleeve is inductively heated during the soldering.
7. The method according to claim 1 , wherein the metal sheet has a sheet thickness in a range of from 0.1 to 10 mm.
8. The method according to claim 1 , further comprising machining a second side of the metal sheet facing away from the bolt.
9. A component of a sliding bearing produced by the method according to claim 1 .
10. An assembly, comprising:
a sliding bearing comprising:
a component including a metal bolt with a cylindrical lateral surface and two end faces, and
a cylindrical sleeve formed of a metal sheet made of bronze and having a longitudinal slot located on the metal bolt,
wherein one of a first side of the metal sheet forming an inside of the sleeve or the cylindrical lateral surface is coated with a solder material and the other of the first side of the metal sheet forming an inside of the sleeve or the cylindrical lateral surface is coated with a soldering flux prior to sliding the cylindrical lateral sleeve onto the bolt and integrally bonding the cylindrical lateral surface and the sleeve by soldering to form a solder layer between the cylindrical lateral surface of the metal bolt and the sleeve, and wherein the longitudinal slot of the sleeve is closed by welding;
a planetary wheel with a bore, wherein the component is accommodated centrally in the bore; and
a second side of the metal sheet and the planetary wheel in a region of the bore are arranged in direct sliding contact.
11. The assembly of claim 10 , wherein the second side of the metal sheet facing away from the bolt is machined.
12. The assembly of claim 10 , wherein the solder material comprises silver.
13. The assembly of claim 10 , wherein the solder material has a layer thickness in a range of up to 160 μm.
14. The assembly of claim 10 , wherein the metal sheet has a sheet thickness in a range of from 0.1 to 10 mm.
15. The assembly of claim 10 , wherein the longitudinal slot of the sleeve is closed by laser welding.
16. The assembly of claim 10 , wherein the longitudinal slot extends parallel to a central axis of the cylindrical sleeve.
17. An assembly, comprising:
a sliding bearing comprising:
a component including a metal bolt with a cylindrical lateral surface and two end faces; and
a cylindrical sleeve formed of a metal sheet made of bronze and having a longitudinal slot located on the metal bolt, wherein the longitudinal slot extends parallel to a central axis of the cylindrical sleeve;
wherein one of a first side of the metal sheet forming an inside of the sleeve or the cylindrical lateral surface is coated with a solder material and the other of the first side of the metal sheet forming an inside of the sleeve or the cylindrical lateral surface is coated with a soldering flux prior to sliding the cylindrical lateral sleeve onto the bolt and integrally bonding the cylindrical lateral surface and the sleeve by soldering to form a solder layer between the cylindrical lateral surface of the metal bolt and the sleeve;
a planetary wheel with a bore, wherein the component is accommodated centrally in the bore; and
a second side of the metal sheet and the planetary wheel in a region of the bore are arranged in direct sliding contact.