Foundry Moulds TRIZ Cases

Replacing aqueous colloidal silica with a dry powder binder eliminates metal-mold reactivity and oxide inclusions while simplifying logistics.

Laser treatment creates a rigid outer shell on the green core, preventing collapse during firing and eliminating secondary setters.

A calcium aluminate and calcium titanate mold composition enables near-net-shape casting of titanium alloys.

Casting method uses a shield and programmable scepter to form distinct grain patterns in different component portions.

Silicic acid ester units in modified phenolic resins reduce odor nuisance and gas development while maintaining binding functionality.

Removal protrusions on cooling elements enable automated gripping and centring during demoulding of light metal cast housings.

Fugitive foam patterns eliminate wax distortion and ash contamination in investment casting through disposable thermosetting structures.

A segmented ceramic casting core joins high-resolution and normal-resolution pieces to form complex internal geometries.

Spheroidal graphite cast iron pipes use precise silicon control and heat treatment to increase tensile strength.

A flexible impermeable diaphragm seals the casting mold under vacuum to create a controlled atmosphere.

A feeder sleeve groove absorbs impact energy through tubular body displacement to prevent breakage during high pressure moulding.

Simultaneous flask stripping prevents mold defects caused by impact during sequential removal, improving process reliability.

A dual-core casting mold uses a phase-changing inner core to create removal gaps while maintaining outer strength.

High thermal conductivity steel reduces cycle time by dissipating heat faster, suppressing thermal fatigue cracks without excessive release agents.

A silica sol slurry disperses niobia-stabilized zirconia to form a stable mold structure.

Organic additives in the binder create permeable channels while maintaining structural integrity for complex castings.

A casting tool embeds physical sensors in the shell engraving to monitor temperature and density during molding.

Carboxymethyl starch replaces multiple binders in moulding sand, resolving complexity and environmental impact trade-offs while boosting tensile strength.

Directional solidification creates single-crystal metallic truss structures that eliminate welds and improve high-temperature resistance in turbine blades.

Recessed grooves in the mold insert merge degassing pathways with pin formation, eliminating porous material members and reducing production costs.

Segmented inner slides expand the mold cavity for demolding, resolving the trade-off between manufacturing precision and ease of operation.

A casting method inserts a filler element into the mold to facilitate tip filling and decelerate cooling during solidification.

A mullite shell mold uses ceramic flour and sintered media to form investment casting molds.

A trained machine learning model estimates active clay content in mixed sand using property data inputs.

Porous resin-coated shell molds allow gas escape during casting, resolving shape retention and defect trade-offs.

A binder composition comprising furfuryl alcohol condensates and acid-curable resins with specific mole ratios to enhance mold curing speed.

Bismuth precursor decomposes into a solid lubricant layer, preventing adhesion and surface defects during hot stretch forming of aluminum alloys.

A basic composition infiltrates acid-cured molds to neutralize residual binder acids.

A shell mold contact slip uses a mullite-zirconia composite powder with colloidal silica binder to form a stable coating layer.

Silanes and oxyanions stabilize phenol-aldehyde resins, reducing odor emissions while maintaining edge hardness.

Lost foam casting applies carbidic agents to vaporizable forms for controlled surface alloying.

Extruded ribbed profiles guide core casting to resolve geometric complexity limits, enabling precise filigree structures without deformation.

Closed-pore expanded perlite microspheres reinforce foundry moldings, overcoming the pressure resistance limits of traditional open-pore fillers.

A batch process uses a polymer polyol heel to seed monomer polymerization in a base polyol.

Synchronized sliding surfaces coordinate vertical and horizontal movements to prevent surface damage during aluminum cast part removal.

Heating organic catalyst with compressed air reduces consumption while maintaining core strength.

Arc compensation surfaces on a split mold reduce thermal deformation stress, preventing flashing and aluminum sticking.

Outwardly positioned cooling air holes strengthen quick cooling of spoke root hot spots to prevent shrinkage defects.

Epoxidized fatty acid esters replace phthalate plasticizers to improve tensile strength and durability while eliminating health hazards.

A composite ceramic core anchors to molten metal in a sand mold, forming a single wear-resistant body.

A casting mold enclosed in a housing with a low-density filling material absorbs internal pressure during metal pouring.

An embedded casting process positions high density metal pieces within golf club heads using protrusions and gaps for precise center of gravity placement.

Barium sulfate additives reduce sand adhesion and emissions while maintaining mold strength in foundry applications.

Inorganic compound particles generate gas upon heating to prevent sand adhesion, eliminating tar residue from organic binders during aluminum casting.

Adjusting binder viscosity via chemical additives prevents nozzle clogging while ensuring rapid hardening and strong bonding in sand molds.

Incorporating sub-300 nm fumed silica into refractory slurries increases modulus of rupture while reducing surface roughness in investment casting molds.

Segmented core components joined by an absorbable connection material form intricate internal passages without the fragility of monolithic single-piece cores.

Refractory conduits induce temperature gradients to control superalloy grain growth, eliminating microporosity from mechanical agitation.

A railcar coupler knuckle core assembly uses interlocking lug and slot features to stabilize sand cores during casting.