low price robotics slewing bearings
1.Slewing Bearing Installation Instructions
1 Disposal before slewing bearing installation
1.1 Anti-rust and packaging
The inner and outer surfaces of the slewing bearing are evenly coated with anti-rust and lubricating oil on both sides of the bearing, and the packaging is wrapped with plastic film kraft paper and linen strips.
around. The outer surface of the large-size slewing bearing should also be wrapped with plastic cloth. For small size slewing bearings, use wooden boxes.
Keep the bearings as horizontal as possible during transportation, only allow a slight tilt, and avoid large bumps or vibrations. open the package
After installation, screw the lifting bolts into the lifting holes of the inner ring or outer ring to transport the bearing to the installation position.
1.3.1 During the rust-proof period before use (within 12 months after the bearing leaves the factory). Do not open the package, if maintenance is required, turn
The raceway, outer surface and tooth surface of disc bearing should be treated with anti-rust treatment.
1.3.2 Lay it horizontally on a dry and flat site.
1.3.3 If the slewing bearing is stored for more than 12 months, it should be re-rusted.
1.3.4 If multiple sets of slewing bearings are stacked together, at least three uniformly distributed bearings shall be placed between each set of slewing bearings in the circumferential direction.
wooden blocks, and the upper and lower blocks should be placed in the same position。
2 Installation of slewing bearing
2.1 Preparation before installation
2.1.1 The connecting surfaces of the supporting parts shall be machined, and then these surfaces shall be free of burrs and debris. In addition to supporting parts, there should be
In addition to sufficient rigidity, the technical requirements of the connecting surface of the supporting parts shall comply with the provisions of Table 1.
2.1.2 When the radial load exceeds 10% of the axial load, radial positioning shall be provided, and the connecting surfaces that cannot be machined shall be
It is flattened by injection molding.
2.1.3 When unpacking the bearing before installation, care should be taken to avoid damage to the seal and prevent dust from entering the inside of the bearing. in the prescribed
During the anti-rust period, it is not necessary to disassemble and clean before installation.
2.2 Soft belt position
The quenched soft tape of the slewing bearing ring is marked “S”. When installing, the position of the soft belt should be in the non-load area or the non-constant load.
Load zone (The packing plug is always at the soft band of the ferrule.)
2.3 Ring gear inspection
Before the mounting bolts are not fully tightened, the gear meshing inspection should be carried out to ensure that the meshing clearance and the accuracy requirements of the gears are met.
2.4 Tightening of mounting bolts
When installing bolts, quenched and tempered flat washers can be used, and spring washers are prohibited.
After locating the slewing bearing radially, tighten the mounting bolts crosswise and check the free rotation of the bearing at the same time.
When tightening the bolt, there should be sufficient pre-tightening force, and the pre-tightening force should be 70% of the yield limit of the bolt material.
3 Use and maintenance
3.1 Inspection of mounting bolts and abnormal phenomena
After about 100 hours of operation of the slewing bearing, check the pre-tightening torque of the inner and outer ring mounting bolts, and every 500
Check every hour.
If there are abnormal phenomena such as noise, impact, and sudden increase in power during use, it should be shut down for inspection.
After the slewing bearing is installed, it should be filled with appropriate grease according to the actual use conditions, and the slewing bearing should be filled while the slewing bearing is used.
Grease is distributed evenly until new grease begins to squeeze out of the sealing lip. Fill it every 50~100 hours.
In high environment and dusty conditions, the oiling cycle should be shorter. Before and after the machine stops running for a long time, new lubrication must be added.
3.3 Cleaning and assembly of slewing bearing
In the assembled slewing bearing, the parts between sleeves and between rows and between rows are not interchangeable.
When the bearing is disassembled for cleaning, the shaft should be
According to the assembly drawing, the upper and lower half ferrules should be assembled according to the original drilling positions.
The tooth flanks should be cleaned of debris and greased every 10 days.
3.4 Selection of Grease
The lubrication of the slewing bearing, because there are many comprehensive working factors, the user can choose the best lubrication according to the specific requirements.