Shafts TRIZ Cases

Irregular hard particles in a sliding member coating wrap mating members rapidly while maintaining surface smoothness and wear resistance.

Asymmetric tooth spacing directs radial flux paths to minimize leakage, improving energy efficiency and output density.

Segmented top foils with varying lengths resolve assembly tolerance issues while preventing axial protrusion during high-speed rotation.

Tapered pocket surface guides rolling elements to maintain consistent gap under centrifugal force, reducing noise and deformation.

Integrated overmolded bearing unit eliminates separate biasing elements to resolve assembly complexity and misalignment risks.

A bearing element uses a sliding surface divided into angular sections to absorb radial and axial forces.

Outer row bearings use larger ball diameters to increase limit load, suppressing indentation and maintaining machining precision under shock loads.

Electromagnets separate stator and rotor rings to eliminate metallic contact, reducing structure-borne noise from rolling bodies.

Cap coupling portion engages axial tube to securely mount motor elements, preventing disengagement from thermal deformation and dust entry.

A pad adjuster system moves guide bearing pads radially to maintain optimal clearance around a rotating shaft.

Spiral cooling grooves on a thrust bearing plate ensure uniform lubrication and prevent hot spots in gyratory cone crushers.

Resin films on rolling elements block chemical decomposition of PFPE grease, extending bearing life under high temperatures.

Asymmetric pad geometry and boundary alignment redirect lubricant to eliminate oil shortage regions, reducing bearing loss.

A plain bearing with a polymeric outer ring reduces friction and heat generation, resolving thermal expansion conflicts in aluminum housings.

An uneven ball sheet surface engages a fitting part on the housing to prevent sliding while maintaining rotational torque resistance.

A bearing assembly integrates a rupturable lubricant packet that releases a predetermined volume of fluid, eliminating excess discharge and manual application.

Cutouts on the radial bearing bush collar minimize axial force while oil pressure holds the shaft in place, eliminating mechanical securing elements.

Triangular annular grooves suppress creep while minimizing housing wear and easing manufacturing precision.

A brass matrix thrust bearing embeds needle-like Mn-Si compounds at 30 to 150 degrees to the sliding surface for enhanced wear resistance.

Hydraulic cylinders lift the shaft to create a lubricant film, reducing startup friction in wind turbines where standstill disrupts thin oil layers.

A dedicated oil buffer dissolves cavitation-induced air bubbles, preventing lubricant leakage while maintaining radial stiffness under vibration.

A co-rotating supplemental reservoir uses centrifugal force to supply lubricant, preventing bearing seizure when primary pressure drops.

A crown-shaped retainer integrates grease reservoirs and communicating ports to migrate lubricant from rolling elements.

Segmented top foils maintain planarity and load capacity despite viscous heat generation at high relative speeds.

A ball bearing cage exposes balls over 30 to 50 percent of their diameter to reduce rotational resistance.

An insert molded retainer uses an embedded metallic core to resolve the trade-off between manufacturing cost and rigidity under centrifugal force.

A rolling bearing uses a composite solid film to reduce friction and dust generation in vacuum environments.

Radial beam extension resolves axial length constraints while a lubrication trough ensures reliability during oil interruptions.

Mechanically formed channels anchor polymeric material to a substrate, resolving insufficient peel resistance from chemical etching.

Vertical-axis rotor transmits torque directly to a generator rim, reducing structural weight and manufacturing costs.

A sliding bolt features a composite resin layer with PTFE and graphite fibers to reduce surface friction.

A ball socket joint uses an embedded spring element to preload the spherical body, ensuring automatic return to a defined home position.

A synthetic resin rotation induction device integrates a lubricant storage part within its center plate to reduce friction between rotating components.

An electromechanical fuse integrated into a bearing enclosure detects ball cage damage through electrical continuity changes.

Transverse bearing block movement centers varying crankshaft diameters, eliminating manual adjustment complexity.

Aluminum-based sliding alloy with controlled silicon particle size distribution for improved fatigue resistance.

Elastic stator abutting portion presses shaft retaining assembly top face to secure bearing positioning within motor housing.

Segmented top foil thin parts limit intermediate flexure, reducing starting torque and improving fluid lubrication film pressure.

Segmented bearing units allow independent actuator adjustment, eliminating complex gap alignment while maintaining compact drive structure.

Silicone anti-slip elements resist environmental deterioration while the pivot shaft accommodates varying diameters.

Segmented cylindrical surfaces allow individual replacement through limited openings, eliminating dry dock immobilization during maintenance.

Kneading carbodiimide with polyamide and glass fiber boosts molecular weight, improving wear resistance while stabilizing production.

Segmenting the jacket into magnetic and non-magnetic zones eliminates heat treatment requirements, reducing fabrication defects and costs.

Composite metal and resin sealing member prevents helium leakage from disk drive spindle motor through holes.

Oil supply nozzles prevent lubricant carryover between pads while springs adjust radial clearance to form high-pressure oil films on upper pads.

A rotary electric machine integrates a lubricant reservoir with a dedicated cooling circuit to manage heat in the stator and rotor.

A motor bearing cap integrates a recessed channel to direct lubricant from a collection chamber directly to the bearing assembly.

A telescopic drive shaft uses a snap-action locking mechanism to secure inner and outer cylinders at working length.

A hollow metal bearing ring with a seamless axial section reduces material consumption through compression molding.

Heating the copper-iron compact before rotation sizing closes coarse pores, maintaining oil film strength.