Shafts TRIZ Cases

A pre-layered plastic sheet is pressed into recessed supports to form microneedle-like projections in fewer steps and with higher throughput.

A grooved soft liner around the fastener redistributes torsional load in composite-metal joints, reducing stress concentration, damage, and corrosion.

Fine martensite and cementite control in a quench-hardened bearing surface improves wear and indentation resistance with simpler heat treatment.

A sandwiched top foil attachment avoids welding heat, preserving foil flatness, hydrodynamic film formation, and bearing load capacity.

Adjustable lattice struts cut bearing support mass while preserving stiffness and opening oil flow paths in gas turbine engines.

Opposing sensor webs and a stiffened bearing mount keep hydraulic actuator force readings consistent across installation positions.

Using an aluminum support with a titanium nitride bore coating, this foil bearing cuts weight and machining cost while improving heat dissipation.

Cast-in-place flanges and surface retention features lock a track shoe bushing in position under heavy and side loads, reducing loosening and wear.

A PTFE-based composite coating cuts static-to-kinetic friction gaps, reducing torque loss and wear in rack-and-pinion steering.

A channeled tubular driveshaft cuts snowmobile weight while preserving durability and supporting stable CVT belt engagement with less adjustment.

A rotary-bearing magneto-mechanical rotator boosts magnetic signal frequency and SNR for smaller implantable localization and sensing microdevices.

A spherical outer-ring pivot bearing lets the worm shaft self-adjust for constant mesh, cutting friction, noise, and wear in servo steering.

A multi-wall flanged composite bearing blocks coating ingress and debris while improving corrosion resistance, torque handling, and axial tolerance.

A widened downstream top foil suppresses radial bending while preserving tilt deformation, helping maintain fluid film strength and bearing load capacity.

Nested support teeth pass through a flexible cage to form a compressed fluid film and keep rolling bearing damping compact in narrow spaces.

Smaller rolling elements, a thicker outer ring, and a stronger cage raise rigidity, reduce creep and wear, and improve high-speed motor accuracy.

A diamond-to-silicon-carbide bearing pairing improves heat transfer while letting the lower-cost surface wear first for easier replacement.

Planar force transfer and spring plates simplify foil thrust bearing manufacture while reducing low-RPM friction, stress concentration, and wear.

Radial ring members stiffen thin-walled composite drive shafts against torsional buckling, limiting deformation and improving load distribution.

A polyamideimide coating with PTFE and graphite or MoS2 keeps the sliding surface smooth under high load, improving wear and seizure resistance.

A stepped composite flange with low-friction and adhesive layers cuts wear and NVH while compensating axial tolerance in bearing assemblies.

A friction-fit elastomer insert decouples the bearing and carrier to cut vibration, absorb impacts, and avoid adhesion-promoter costs.

Asymmetric radial clearances and flange recesses limit cage movement, improve lubrication, and reduce wear in high-speed rolling bearings.

A low-expansion subsurface layer limits heat-driven clearance loss in journal bearings, helping prevent seizure during oil interruption or overload.

A gapped impact shield and shock-absorbing sleeve protect a composite shaft from debris strikes while making impact damage visible.

A cage guided on the outer ring uses a tuned pocket-to-ring clearance ratio to cut high-speed heat while suppressing low-speed bearing noise.

Phosphorus nano-precipitates formed by precipitation annealing help brass sliding surfaces resist load-dependent seizing in oil-lubricated friction.

Specific Raman peak-controlled silicon nitride with silicon carbide and rare-earth additives improves bearing wear resistance and heat dissipation.

Controlled carbon in a Cu-Ni-Sn sintered sliding body suppresses sintering distortion while preserving wear and corrosion resistance.

A circumferential oil groove bridges mismatched supply holes in a journal bearing, maintaining shaft lubrication and easing housing assembly.

Adjustable pressure-plate clamping secures bearing cages during pocket machining, reducing setup time, warping, chip build-up, and cover variants.

High-nitrogen stainless steel and staged heat treatment help refrigerant-lubricated bearings resist acid corrosion while retaining toughness.

Dual gear-pawl assemblies and a threaded compression screw boost swivel ball clamping force while preventing lock-unlock jamming.

Pocket depth and axial engagement limit resin cage deformation and oil shear, enabling stable high-speed ball bearings at lower material cost.

An ester oil and alkyl methacrylate polymer keep impregnated bearings fluid at -40°C while preserving infiltration and high-temperature lubricity.

Crosswise compressive and tensile bearing preload keeps roller nip forces stable and material thickness uniform under varying density loads.

Hydrodynamic thrust surfaces build a lubrication film that supports a helical sun gear, cutting bearing parts, friction, and assembly complexity.

Controlled run-in creates conformal cantilever bearing clearances that block red blood cell ingress, reducing hemolysis, thrombus risk, and wear.

Axial pretensioning keeps spherical bearing surfaces in contact to limit play, noise, wear, and friction in orthopaedic joints.

A separate annular load ring carries axial bearing loads and prevents outer ring shift while simplifying seal molding and avoiding elastomer debris.

Asymmetric flywheel cavity seals simplify CMG filling and maintenance while holding opposite pressure differentials for bearing cooling.

Distributed ball bearings and a compressible ring improve magnification ring retention, load distribution, and axial stability in viewing optics.

Pore-dense sliding surfaces retain lubricant and disperse friction to reduce heat buildup and uneven wear while preserving ceramic strength.

A bent downstream foil edge and segmented bump-supported top foil suppress radial bending while preserving taper formation and load capacity.

AlMgB14 ceramic matrix composite bearing components resist deformation, degradation, and friction under high Hertzian contact stress.

Controlled alloying and oil-filled porosity improve sliding behavior, wear resistance, and temperature resistance in sintered bearing bushes.

Segmented molded-plastic supports with ribs and end walls help thin-wall composite shafts resist torque-induced buckling without added mass.

A UHMWPE-PTFE composite sliding bearing cuts friction and shaft heat in image forming equipment without oil impregnation.

A rigid metal plate between elastic and sliding layers spreads surface pressure, preserves water film shape, and maintains bearing load capacity.

Contact protrusions create sliding-layer-free voids that preserve electrical conduction while reducing friction, torque, noise, and vibration.