Shaft And Bearings TRIZ Cases

A phase-separated rubber roll with carbon black and crosslinked polyurethane cuts leak discharge and keeps resistance stable across environments.

A protrusion-and-clearance fixation keeps tapered conveyor sleeves from shifting under high loads while preventing lubricant leakage and contamination.

Axial hub extensions lock into sleeve recesses to replace gluing, spread force evenly, prevent tearing, and keep bearings cleaner.

Multi-scale protrusions on a developing roll cut contact area and toner adhesion, suppressing fusion and filming during electrophotography.

A PFPE-rich surface gradient in a fluororesin fixing member sustains toner release under long-term abrasion and thin-paper use.

A hollow magnetizable cylinder shrink-fitted to hardened steel journals cuts weight and inertia while preserving run-out and registration control.

Mechanical interlocking grooves and protrusions stop roller slip while allowing stable mounting and easy removal without adhesives.

Dual-size particles and controlled resin coverage keep charging uniform and prevent stripes, unevenness, and fog late in roll life.

Fine-surface-area silica and a microcapsule catalyst enable low-temperature roll molding while limiting end swelling and hardness variation.

Controlled PFPE fluorine oil diffusion in a fluororesin fixing layer sustains toner releasability at high temperature and prevents hot offset.

A pressing member shifts an expanded resin tube onto the die surface, preventing misalignment, thinning, and surface scratches.

A radial projection locks the conical sleeve against axial shock loads while preserving a sealed roller interior and reducing contamination risk.

Convexly curved roller transitions refract escaping X-rays multiple times, resolving end-region leakage without complex fixed structures.

Rigid conductive plastic and abutting members stabilize the charge gap, preventing toner adhesion across varying temperatures.

A segmented roller tool uses independently rotating discs to form seamless profiles on sheet metal.

Segmenting the axle from the rotating shell removes complex couplings and seals, resolving reliability issues in web guiding machines.

A fuser braking mechanism uses a cam profile to compress a spring and apply a braking moment to the first cam.

A conductive member uses stepped resistance layers to fix gap retaining members and maintain constant spacing.

Vulcanized elastic layers with specific MD-1 and universal hardness ranges suppress compression set while maintaining flexibility for stable image output.

Anatase titanium oxide crystals promote radical addition reactions in cured silicone rubber layers to stabilize elasticity.

An Si-O-Zr crosslinked surface layer prevents low-molecular weight component exudation for uniform electrophotographic charging.

Replacing scorotron corona discharge with a conductive rubber roller eliminates ozone emission while maintaining reliable photo-conductor charging.

Attaching the stator to a fixed axle and using roll bearings for the rotor eliminates separate motor supports.

Replacing toxic chrome plating, thermal spray stainless steel sealed by polymer prevents electrolyte attack while cutting costs.

Hardened rubber covers with wide circumferential grooves prevent wall deformation under load to ensure effective water drainage in tissue manufacturing.

Applying fluid flows to free rollers reduces rotational resistance, preventing slippage and dust emission during thin film conveyance.

A tension device presses heating mats against the casing tube interior, resolving uneven heat distribution caused by poor mat-to-wall contact.

Chelate titanium compounds mediate hydrolysis to prevent clouding, enabling high dielectric constant polysiloxane films with uniform charging performance.

An internally supported roller applies variable radial pressure to prevent web edge over-pressing while maintaining consistent oil removal.

Segmented end-section attachment maintains doctor blade alignment during carrier bending, preventing misalignment and detachment.

A developing member surface layer uses a urethane-acrylic resin composite with controlled glass transition temperature to prevent toner adhesion.

Hollow composite rollers with internal honeycomb ends cut inertia by 80 percent, eliminating tensile stresses from delay phenomena during rapid strip unwinding.

A conductive roller regulates surface micro-roughness through mechanical polishing of the elastic layer substrate.

A disk roll base material containing layered silicates with interlayer distances exceeding 10 angstroms enhances compressive strength and wear resistance.

Replacing scorotron ozone emission, this polyurethane charge roller extends lifespan through composite material resistance to contamination.

A conductive roller laminate joins energy ray curable resin layers using a hydrocarbon ring skeleton to maintain structural integrity.

Pulsatile flow from the pump cleans the porous filter automatically, enabling continuous high-rate slurry treatment without shutdowns.

An ultraviolet-curable elastic layer reduces toner aggregation by maintaining low hardness, preventing surface traces on adjoining members.

Niobium traps carbon to prevent chromium depletion, resolving sensitization issues and extending caster roll service life.

Tapered thread rolls synchronize feed rate and spindle speed to form precise angled threads on workpieces.

Applying a water-based urethane resin filler seals cut surfaces on the foam and film layers, suppressing debris generation that causes image defects.

Porous surface layer with controlled through holes limits electron avalanche diffusion, suppressing abnormal discharge and dirt adhesion during stable charging.

UV curing resin forms elastic layers on shafts, eliminating molds and drying steps to reduce equipment costs while maintaining dimensional accuracy.

Lean alloy steel roll shells provide high elevated temperature yield strength and thermal conductivity.

Wet surface treatment smoothes a clay-containing roll layer, reducing dust generation during sheet glass production.

Resilient looped pile rollers reduce web scuffing and distortion by absorbing mechanical stress through elastomeric cushioning.

Sulfur forms sulfide phase particles in multi-component white iron rolls, reducing adhesion and extending service life.

Relocating the spring device into the lock nut prevents fatigue and wear while maintaining reliable torque transfer.

Segmenting the roller assembly into a fixed core and replaceable sleeve eliminates realignment downtime during maintenance.