Shafts TRIZ Cases

A spherical-pocket crown cage with reinforced pillar geometry suppresses high-speed deformation, wear, vibration, and heat in ball bearings.

High-carbon steel and controlled induction hardening create a stable raceway layer sized to Hertzian stress for longer slewing bearing life.

Capillary lubricant delivery replaces pumps and plumbing in bearing compartments, cutting weight and complexity while maintaining lubrication.

A stepped carbon-fiber fixation jig creates a smaller-diameter boundary that simplifies excess fiber removal and improves pipe-body manufacturing productivity.

Dual sealing barriers with a friction shield and inner seal block high-pressure cleaning water, extend seal life, and cut lubricant volume.

An integrated bearing housing dispenser replaces pumps, reservoirs, and plumbing to cut engine lubrication weight, volume, and cost.

Machined and treated composite tube ends with an internal plug improve overmolded tip bonding under traction, compression, and temperature gradients.

Cold-forming a vehicle hinge bolt and U-shaped support cuts welding cost and handling while creating a durable two-shear press-fit connection.

An actuator-driven threaded rod, pullbar socket, and receiver assembly improve bushing insertion and removal accuracy while reducing manual effort.

Thicker beam ends and curved surfaces in an aircraft bearing squirrel cage reduce stress concentration while improving structural integrity.

A ductile metal surface with at least 2 wt% diamond solvent-catalyst keeps cryogenic bearings low-friction and resists fracture and graphitization.

Rounded band shoulders and a concave outer periphery cut ceramic ball chipping during polishing while extending tool life.

A ductile metal surface with diamond solvent-catalyst content helps cryogenic bearings limit friction, wear, and brittle fracture.

A non-metallic thermal interface fills bearing gaps to carry heat away while maintaining electrical insulation in electric motor bearings.

An electrode gap and drainage channel separate oil particles from bearing oil vapor, returning them to the oil bath without extraction systems.

Closely packed rollers and idler rollers around the wave generator raise load capacity, cut friction, and avoid complex cage manufacturing.

Grooved bearing rings and gate-controlled overmolding lock the insulating layer in place, reducing electrical corrosion in high-voltage use.

Controlled annealing forms Si-rich regions in an aluminum sliding material to improve wear resistance while suppressing cracking.

Microscopic dimples on a shouldered shaft and tilt pad bearings boost fluid film support under high radial and axial loads in bent axis pumps.

A slider-guided hinge synchronizes foldable screen rotation without non-standard gears, cutting noise, tooth breakage, and processing cost.

Built-in roller-guided stops limit rotary joint travel to prevent supply line winding and damage while preserving ergonomic movement.

A ceramic AD coating protects the bearing steel inner ring from rust while matched materials suppress radial gap change in vacuum and low temperatures.

Skewed, circumferential housing holes relieve outer race stress to limit coning while preserving strength and improving oil drainage.

Integrated wear and deformation sensors in the sliding shell detect bearing damage early, reducing disassembly and maintenance risk.

An elastic conductive hinge contact rebuilds the antenna grounding path in folded states to keep connections stable and limit signal interference.

Integrated locking and retaining features replace long resonance-prone rods in a split-torque gearbox shaft assembly, cutting vibration, weight, and parts.

Precise pocket angles, orientations, and guide-surface roundness cut resin cage vibration and extend ball bearing life at high speed.

A nitrided steel surface with controlled nitrogen, hardness, and retained austenite raises static load capacity for smaller, more efficient bearings.

Uneven PTFE-rich regions in a resin sliding layer cut friction while additive-rich regions improve wear resistance.

Using polyamide 410 with reinforcement, this bearing cage cuts environmental impact while limiting water absorption and dimensional change.

A copolyamide resin cage solves thick-wall molding defects while maintaining heat resistance and durability in high-speed rolling bearings.

A zinc-rich aluminum bearing alloy uses heat treatment to form a soft phase that improves wear resistance, seizure resistance, and embeddability.

Ferric oxide and barium sulfate in a fluororesin sliding layer improve seizure and wear resistance without toxic zinc compounds.

An axial step and sloping elastic layer keep fresh surface roughness engaged, sustaining paper-feed friction as dust and wear build up.

Controlled grain size and aspect ratio across surface and interior improve wear resistance, machining consistency, and reliability in large silicon nitride parts.

A block body, cover, and felt sheet seal lubricant at gear meshing points while keeping the gear mechanism compact.

A cooling jacket with a spiral fluid circuit cools the magnetic bearing stator, cutting lubricant and cooling demand while maintaining reliable turbine support.

A calcium sulfonate and calcium carbonate coating film helps rolling bearings resist creep, fretting, heat buildup, wear powder, and rust.

Nanocarbon particles dispersed in break-in lubricant cut sliding friction without costly DLC coating, even on complex-shaped parts.

Obliquely oriented superhard bearing elements maintain rotation and reduce uneven loading when drilling shaft deflection tilts the bearing assembly.

A profiled mandrel winding approach keeps fibre angles constant in complex composite shafts, reducing wrinkles, misalignment, and prepreg waste.

Auxiliary inductor preheating evens start and end zone heating in large bearing raceways, preventing soft spots after quenching.

A box-shaped armature over-molded with polymer keeps a bearing retention cage rigid at high speed while preserving rolling-body retention.

Layered central and end backup foils tune stiffness along the shaft to prevent top foil wear while simplifying gas bearing manufacture.

Controlled Fe3O4 oxide film thickness and crystallite size help rolling bearings resist hydrogen penetration, peeling, and brittle fracture.

Conduit-based oil recirculation lubricates rotary machine bearings continuously while cutting leakage, lubricant use, and maintenance downtime.

Modular pad groups in a fluid film rotor hub bearing replace wear-prone roller bearings while simplifying maintenance and preserving radial and axial support.

Grooved axial separators with a narrow central contact surface resist punching deformation while guiding lubricant in rolling bearings.

A spring-loaded internal rod delivers a guided axial impact to unlock telescoping shaft friction locks more safely and accurately.

Circumferential grooves in thrust bearing pads block heated oil migration, preserving inner-side oil film and load capacity under shaft vibration.