Bearing Assembly TRIZ Cases

A two-step press-cutting sequence improves bore dimension control and reduces tearing in rolling bearing holding flanges.

Ferromagnetic phonic wheel teeth projecting into scoop apertures improve turbine shaft speed sensing while limiting flow disruption.

A castellated stack nut doubles as a phonic wheel and lubricant scoop to improve turbine shaft speed sensing while reducing windage-driven churning.

A phonic wheel with an integrated lubricant scoop improves turbine shaft speed sensing while reducing separate lubrication parts and mounting complexity.

Concentric tubes with axial and torsional preload reduce shaft deflection and vibration, improving aircraft flight surface positioning accuracy.

A deposition-welded sliding layer in a wind turbine gearbox simplifies bearing replacement and helps prevent positional loss from creep.

Magnetic coils and columnar structures replace LEDs and photodiodes to keep swing-angle detection precise in compact optical scanners across temperature changes.

An all-composite flanged shaft uses resin transfer moulding and built-in reinforcement to cut weight while preserving torsional load transfer.

A D-shaped pin and matching yoke opening stop pin rotation in automotive lifts, reducing wear, misalignment, and maintenance.

A thick-thin bearing holder layout places the strain gauge on a thin section while preserving shaft rigidity and accurate preload-based strain detection.

A Zn adhesive layer extended over the axial end face helps Al-alloy sliding bearings resist peeling and improve fatigue resistance under high load.

Extending a Zn adhesive layer over at least 30% of the axial end face improves bonding and fatigue resistance in Al-alloy sliding bearings.

A castellated stack nut doubles as a phonic wheel and lubricant distributor, improving turbine speed sensing while reducing windage and churning.

Pressurized cleaning fluid routed through vent passages clears porous mould cavities, preventing clogging and improving food hygiene.

Laser-engraved 2D codes on bearing end surfaces increase data capacity and improve automatic reading accuracy on small parts.

An overmolded insulating liner and socket block shaft-to-housing current in motor bearings, preventing vibration damage without ceramic rolling elements.

Laterally inserted webbed shaft cores keep insertion depth consistent in hollow winding shafts, improving fit, torque transfer, and assembly.

Measured eccentricities guide target holder rotation in a sensor bearing unit, reducing center offset and improving measurement accuracy.

Elastic catching pieces on an integrated spacer lock the foil assembly in the housing slot, preventing separation and simplifying assembly.

Steel-ball groove locking secures a pressure plate to a bearing, simplifying assembly while resisting vibration, impact, and separation.

A two-piece retainer with matched grooves and connectors simplifies bearing assembly while improving stability under high-speed thermal and impact loads.

An inward caulking portion fixes the bearing without reducing casing contact area, improving ball joint stability, sealing, and layout freedom.

Lightened bar portions and a thicker pocket base cut centrifugal deformation in high-speed ball bearing cages while preserving rigidity.

A protective bushing and installation tool repair worn shift cable ends without deformation, preserving alignment and avoiding full cable replacement.

Asymmetric ramps and mechanical stops lock the cover in a precise position, improving sealing and resisting vibration-driven demounting.

Heat flux sensing triggers cooling air control before bearing temperature rises, reducing friction heat and seizure risk in air-oil lubrication.

Two magnetic detectors create low- and high-resolution wheel rotation data from an existing encoder, improving control without encoder replacement.

A threaded outer race, locking pin, and retaining cord let spherical bearings be replaced with standard tools while preserving high-load attachment.

A bearing carrier assembly lets crossing gate bearings be withdrawn along the shaft, cutting field disassembly time and internal adjustments.

A collet, spring, and actuator shaft enable quick polyaxial locking of tissue retractors with less movement and fewer rotations during actuation.

Using interference fit on one bearing race and clearance fit on the other improves turbomachine assembly precision without tight tolerances on all parts.

An asymmetrical clamping ring keeps its center of gravity aligned to suppress bearing whirling while preserving simple bolt-tightened fixing.

Modulated light through aligned rod and block holes enables precise actuator position tracking with secure verification to prevent unwanted movement.

Thermally stable diamond bearing elements help thrust bearings handle high downhole loads, speeds, and temperatures with less wear.

A stop section between the inner ring and annular member stabilizes encoder track position for reliable high-speed rotation sensing.

Interchangeable axle elements with nested friction-fit joints cut inventory and assembly time for configurable conveyor rollers.

An axially movable bearing carrier prevents ring co-rotation while compensating thermal expansion and simplifying installation.

Two nuts and aligned locking screws keep bearing preload stable during operation while still allowing adjustment and easier assembly.

Steel balls in limiting grooves create a quick-assembly bearing-to-plate lock that resists vibration, separation, and stress concentration.

Different surface treatment depths give the gear and bearing portions distinct hardness profiles, preventing bearing cracking, peeling, and gear tooth breakage.

A bearing carrier keeps the stationary ring axially movable but rotation-safe, easing installation while compensating thermal expansion.

A telescoping retainer stabilizes coaxial catheter hubs to limit buckling and unintended motion during precise neurovascular access.

A split collar friction fit locks gears or pulleys to shafts without keyway slop, reducing loosening, noise, fatigue, and repair cost.

Integrated bearing plate and spring steel parts use offset grooves and retaining lugs to cut radial air bearing cost and simplify mounting.

Fusing shaft vibration signals with shaft center orbit image features improves automated diagnosis of complex sliding bearing faults.

Passive magnetic bearings and bushings stabilize a tape guide roller to cut mechanical disturbance, lower PES, and improve track following.

A solder-bonded bronze sleeve on a metal bolt cuts sliding-layer thickness and material cost while preserving bearing integrity in wind turbine gearboxes.

A weldless bearing retainer secures the docking cap and catheter interface, reducing corrosion risk while preserving rotation and torque transfer.

A metal insert creates precise spherical bearing alignment in a composite support assembly while preserving casing integrity and shaft-size adaptability.

Electron beam welding creates a full-surface bond between a steel housing and bearing bush, improving sealing while preserving rotational and axial movement.