Slewing bearings
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Structural elements
Technical bases - content
Bearing design types
Standard series KD 210
Standard series KD 600
Standard series RD 900
Design type variations
Load transmission
Supported load transmission
Suspended load transmission
Bearing selection
General
by internet
Static load capacity
Service life
KD 100 questionnaire
Load factors for bearing selection
Example of a bearing selection
Portal crane
Crane for cargo duty
Crane for grab duty
Fastening bolts
General
Minimum engagement for blind hole threads for medium tolerance class (6 H)
Approximate determination of the surface pressure
Tightening torque
Prestressing of fastening bolts by hydraulic tension cylinder
Prestressing of fastening bolts (Stretch method)
Single-stage bolt tension cylinders
Multi-stage bolt tension cylinders
Bolt tension forces
Determination of tightening torques for fastening bolts > M 30 or 1¼''
Determination of the required longitudinal elongation
Determination of the prestressing force
Loctite-586 - Improvement in the frictional bond
Bearing installation using Loctite-586
Dismantling
Gearing
Pinion tip relief
Turning torque calculation
Raceway hardening
Quality assurance
Finite elements calculations
Companion structures
Contact areas, flatness deviations, companion structure
Measurements of the contact areas
Tolerated out-of-flatness including slope "P" of machined contact surfaces
Operating conditions and special requirements
Wear measurement
General
Tilting clearance measurement
Axial reduction measurement
Maximum permissible increase of bearing clearances
Installation, Lubrication, Maintenance
Transport and storage
Installation
Lubrication and Maintenance
Drawing number composition
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Technical bases (8.0 MB)