Multi-Cavity Extrusion Tooling

H1: Multi-Cavity Extrusion Tooling for PVC Profiles | High-Output & Cost-Efficient Solutions

Are you struggling with low production efficiency, high per-unit costs, or uneven wall thickness in your profile extrusion line? Multi-cavity extrusion tooling is the proven solution to double your output without doubling energy consumption. At AONA EXTRUSION TOOLING, we engineer custom multi-cavity dies that maximize your extruder’s capacity while ensuring consistent quality across every cavity.

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H2: Why Upgrade from Single-Cavity to Multi-Cavity Tooling?

Single-cavity molds limit your production ceiling. Multi-Cavity Extrusion Tooling offers three immediate benefits:

· Higher throughput – Produce 2 to 4 times more profiles per hour with the same extruder.
· Lower cost per meter – Reduce energy, labor, and floor space costs per unit.
· Faster ROI – Our clients typically recover tooling investment within 3–6 months of full production.

Whether you manufacture window frames, door profiles, vertical frames, sashes, or precision strips, the right cavity count transforms your production economics.

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H2: Key Technical Points for Stable Multi-Cavity Production

Multi-Cavity Extrusion Tooling demands precision in design, equipment, and process control. Here’s how we solve the industry’s toughest challenges.

H3: 1. Cavity Count Selection – Match Your Extruder Capacity

Choosing the wrong number of cavities wastes capacity or causes unstable extrusion.

· For large profiles (door/window frames, sashes): With extruder output of 300–400 kg/hour, we recommend dual-cavity dies. This structure maximizes efficiency without increasing energy consumption, cutting your per-unit production cost by approximately 30%.
· For small precision profiles (glass strips, seals): Under 200–350 kg/hour extruder conditions, we design four-cavity dies paired with a three-section calibrator, single-section 3-meter cooling tank, and 20 shaping modules. This combination achieves 5 m/min line speed and fully unlocks your extruder’s rated capacity.

Your benefit: No underutilized or overloaded equipment – every kilogram of material runs at optimal efficiency.

H3: 2. Patented Flow Channel Design – Eliminating Uneven Output

The #1 failure point in multi-cavity molds is uneven material distribution – leading to cavity-to-cavity weight variation, thickness inconsistency, and twisted profiles.

Our patented diverter flow channel structure solves this at the source. By optimizing channel geometry and balancing melt pressure, we ensure that material from the extruder splits uniformly into each cavity with identical flow rates and temperatures.

Your benefit: Zero rework due to misaligned or off-spec profiles. Every cavity produces identical parts, every cycle.

H3: 3. Formulation Adjustment – Preventing Over-Plasticization & Yellowing

Multi-Cavity Extrusion Tooling have longer flow paths, meaning material spends more time under heat and shear. This often causes over-plasticization, resulting in yellowed surfaces or brittle profiles.

Our solution: Add 0.1–0.2% OPE wax to your production formulation. This small adjustment:

· Improves melt flowability without affecting mechanical properties
· Suppresses thermal degradation
· Ensures pure white appearance and uniform texture across all cavities

Your benefit: Flawless surface quality that passes visual inspection every time – no scrap due to cosmetic defects.

H3: 4. Dual-Traction Equipment – Maximizing Yield Rate

For dual-cavity production, we strongly recommend dual-traction extruders. This configuration allows independent traction and cutting for each cavity, automatically compensating for minor flow rate differences.

Result: Yield rates up to 99% – near-zero defect production, minimal material waste.

If dual-traction equipment is not available, our flow channel precision is so consistent that we can still achieve standardized mass production through careful process parameter optimization alone.

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H2: Our Production Capability – Custom Tooling with Full Commissioning Support

We don’t just design molds – we ensure they run perfectly on your line.

Our workshop is equipped with:

· Two German KraussMaffei 92-32 parallel twin-screw extruders
· Stable output of 350 kg/hour for continuous production trials
· Full in-house testing before delivery

We offer:

· Custom multi-cavity tooling for any profile specification
· Professional on-site or remote commissioning guidance
· Sample production for your approval – we welcome customer on-site inspection

Your benefit: Plug-and-play tooling that works from day one. No costly trial-and-error during installation.

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H2: Why Choose AONA EXTRUSION TOOLING?

· 27 years of hands-on experience in extrusion die R&D and production debugging
· Patented flow channel technology – proven in thousands of production lines worldwide
· One-stop solution – from mold design and manufacturing t

If you encounter any problems during production, please feel free to contact AONA EXTRUSION TOOLING. Our engineers, with 27 years of experience, are always ready to serve you and do their best to help you solve your problems.