Different coatings along the die flow path cut wear and extrusion pressure while improving flow uniformity and ceramic article quality.
A one-piece extrusion tool uses slots, recesses, and inserted elements to form honeycomb cells with uniform flow resistance and simpler manufacturing.
Overcoating die pins and cutting back excess material sets precise honeycomb slot widths while removing nodules and improving wear resistance.
A layered die pairs machinable metal with a higher-modulus support plate to resist deflection, prevent pin flowering, and keep web thickness uniform.
Insert teeth into linear die slots to block selected flow paths, enabling complex honeycomb patterns without slow, costly plunge EDM.
A layered die pairs a high-modulus upstream plate with a metal discharge plate to resist deflection and keep honeycomb slot and web geometry uniform.
Shallow divots with controlled depth and length lower honeycomb extrusion die pressure while preserving sensitivity and improving flow rate.
A loose downstream core plate keeps extrusion cores aligned at startup, then clears flow so ceramic strands join into one hollow body.
A stepped-slot die with a multi-chamber plenum lowers extrusion pressure and web swell for ultra-thin honeycomb substrates.
A loose downstream core plate stabilizes extrusion cores at startup, then moves aside to preserve flow and single-piece channel formation.
Bonded base and discharge members align feed passages and slots to extrude ceramic honeycomb structures with consistent channels and easier part replacement.
Offset supply holes and grid slits improve material mixing in honeycomb extrusion, reducing voids and cell wall breakage.
Vane-controlled mixing of cementitious material and CO2 bubbles creates a smooth wall density gradient that improves bonding and reduces delamination.
Radial drainage channels and a thicker seal zone move liquid away from ceramic batch interfaces to prevent streaking, fissures, and cracks.
Shaped nozzle cross-sections create mechanically interlocked cement layers that boost interlayer shear strength and lateral load capacity.
A solidifying agent and expansion molding approach helps extrusion-made bricks gain density, strength, larger size, and higher throughput.
Angled partial blades shape extruded bricks with hidden overlaps and fake joints to block water ingress without visible slanted sides.
Movable nozzle walls let semi-solid bricks be deposited edge to edge without grout, enabling automated paving and seamless bonding as they cool.
Non-uniform shrinkage can distort cylindrical honeycomb bodies; measured outer contours set the firing orientation for tighter dimensions.
Embed structural reinforcements into concrete mass before final compaction to resolve the contradiction between mold design simplicity and manufacturing speed.
Extrusion forming creates a segment-joined honeycomb article with belt-like joining ribs that are destroyed after firing to allow gap filling.
Segmented heating zones and insulation reduce thermal stress to prevent cracks and wrinkles, improving dimensional accuracy of ceramic molded bodies.
Divots in honeycomb extrusion die slots establish flow separation points to eliminate bi-stable states and ensure uniform peripheral wall thickness.
A flow speed control plate equalizes clay extrusion velocity through coaxial hole alignment and diameter optimization.
A 3D print head uses a central opening for mesh passage and splitter channels for mortar distribution.
Segmented retaining plates with screw connections replace welded structures, allowing individual rod replacement without material deformation.
A nozzle combines unreinforced concrete with elongate reinforcement members during extrusion.
Upstream bow deflectors adjust aperture positions to counter uneven die resistance, ensuring straight honeycomb extrudates with parallel sides.
Varying electrode thickness from 5 µm to 500 µm creates tapered slits that reduce extrusion resistance and prevent clogging.
Hydraulic actuators adjust the link positions in a deformable ring extruder port, producing complex ceramic geometries without multiple devices.
Angular die oscillation creates spoked ceramic packing media, reducing pressure drop while maintaining high surface area for heat transfer.
Replaceable wear layer maintains honeycomb shape accuracy while reducing labor costs.
Segmented plates with dynamic relative movement optimize center-to-outer flow distribution, correcting uneven extrudate defects during continuous production.
Abrasive flow media conditions honeycomb extrusion dies, eliminating costly break-in waste and reducing production downtime.
A reservoir buffers wet mixed powder between a continuous mixer and belt feeder, adjusting feed based on mass changes to maintain dimensional accuracy.
Low temperature chemical vapor deposition prevents austenite transformation and thermal stresses, maintaining dimensional stability in steel dies.
Segmented spraying with adjustable pressure cleans ceramic honeycomb die members without deforming the structure or compromising groove accuracy.