How Are Plastic 玩具 Made? From Mold to Finished Product

Injection Molding: The Core of Plastic 玩具 Production

Injection molding is the primary method for producing plastic 玩具 parts. Thermoplastic granules (typically ABS or PP) are dried, heated to 200–280°C, ・ injected into a steel mold at high pressure. The mold is water-cooled to solidify the part in 15–60 seconds, depending on wall thickness. ASTM F963-23 §4.3.5 requires that any plastic part intended for children under 3 years must withstand a drop test from 1.5 m without breaking into small pieces — a requirement that directly impacts mold design (rib thickness, draft angles).

For OEM buyers, mold cost is the first gate. A single-cavity ABS 玩具 mold for a 水鉄砲 body runs $3,000–$8,000, depending on complexity. TopToyFactory' partner factories in Chenghai use hardened P20 or H13 steel for molds rated at 500,000+ cycles. Always request mold flow analysis (MFA) reports before tooling approval — it predicts weld lines, air traps, ・ sink marks that cause structural weakness.

Surface Finishing: Painting, Printing, ・ Plating

After molding, parts enter the finishing line. Spray painting applies solvent-based or water-based paint using robotic arms or manual booths. For 玩具 like シャボン玉 guns, the paint must pass EN71-3 migration limits for heavy metals (lead ≤ 90 ppm, cadmium ≤ 75 ppm). Pad printing transfers small graphics (e.g., logos, eyes) using silicone pads ・ etched steel plates. Hot stamping (foil) ・ ultrasonic welding are common for decorative details.

Pre-treatment is critical: parts must be cleaned of mold release agents ・ static dust before painting. If skipped, paint adhesion fails ・ flakes off within weeks — a choking hazard violation under CPSC 16 CFR Part 1501. TopToyFactory' procedures include a 3-stage antistatic air shower ・ ISO 2409 cross-cut adhesion testing on every production batch.

Assembly ・ Electronics Integration

Assembly is where multiple injection-molded parts, electronics (motors, batteries, LEDs), ・ fasteners come together. For 電動 玩具 (e.g., 水鉄砲, シャボン玉 machines), the assembly line must comply 付き EN IEC 62115:2020 clause 7.2.2 — batteries must be secured in a compartment requiring a tool to 開く, preventing child access. Wiring must be strain-relieved 付き a minimum pull force of 30 N.

TopToyFactory' 12-line workshop uses conveyor-belt stations 付き torque screwdrivers ・ ultrasonic welders. Each station has a visual work instruction (VWI) sheet in Chinese ・ 英語. A typical 64-hole バブルマシン takes 7–9 minutes of assembly time, including a running test of 3 minutes to verify motor RPM ・ battery drain. Rejected units are tagged ・ sent to a dedicated repair bench — never re-circulated into the production bin.

Quality Inspection ・ Safety Testing

Inspection is not a single gate — it is embedded throughout. ISO 2859-1 (AQL) sampling is applied at Level II, normal severity 付き an AQL of 1.0 for critical defects ・ 2.5 for major. Critical defects include sharp edges (fails 16 CFR 1500.48), accessible pinch points (fails ASTM F963 §4.14), ・ missing choke-tube warnings.

Before shipment, a third-パーティー lab (e.g., SGS, Intertek) conducts compliance testing: EN71-1 (mechanical), EN71-2 (flammability), EN71-3 (chemical migration), ・ ASTM F963-23. For electronic 玩具, EN IEC 62115 or UL/IEC 62368-1 applies. TopToyFactory maintains factory-level XRF screening for lead ・ cadmium in すべて incoming ABS ・ PP batches — a step many smaller factories skip. The result: a CoC (Certificate of Conformance) ・ a full test report for the buyer's market entry.

How to Choose a Plastic 玩具 メーカー

Choose a メーカー based on three criteria: compliance infrastructure, production transparency, ・ mold capabilities.

First, verify compliance infrastructure. Request copies of EN71, ASTM F963, ・ EN IEC 62115 証明書 for 商品 similar to yours. A factory that cannot produce them likely does not test. Second, demand production transparency — ask for real-time video of the injection, painting, ・ assembly lines during your due diligence. TopToyFactory offers remote factory walkthroughs via WeChat or Zoom. Third, evaluate mold capacity: a factory 付き in-house mold shop (like TopToyFactory' 12-line facility) controls 納期 better than one outsourcing tooling.

If your MOQ is below 500 units, look for factories that aggregate small batches or stock semi-finished components. TopToyFactory' minimum is 480 pcs for standard OEM, but custom projects 付き higher margins may negotiate lower. For orders above 5,000 units, expect 25–35 day lead times from sample approval.

Production Stage vs. Key Standard

FAQ

Q: How long does it take to develop a custom plastic 玩具 mold?

A: Typically 4–6 weeks for a single-cavity ABS mold, plus 1–2 weeks for sample tweaks ・ first article inspection (FAI). TopToyFactory' in-house shop can compress this to 3 weeks for rush orders.

Q: What MOQ do factories require for injection-molded 玩具?

A: Most Chenghai factories set MOQ between 1,000–3,000 pieces. TopToyFactory accepts 480 pcs for standard 商品 ・ negotiates lower for high-value custom items.

Q: Are certifications like EN71 ・ ASTM F963 included in the 価格?

A: Not always. Some factories charge an additional $200–$800 per testing report. TopToyFactory includes compliance testing in the 単価 for orders above 2,000 units.

Q: Can I inspect production before shipment?

A: Yes. B2B buyers can appoint a third-パーティー inspector (SGS, Bureau Veritas) or request a live video walkthrough. TopToyFactory offers a free pre-shipment video check for first-time clients.

Q: What plastic materials are safest for children's 玩具?

A: ABS ・ PP are the most common ・ are safe when sourced from compliant suppliers. Avoid recycled ABS without testing — it may contain brominated flame retardants. TopToyFactory uses only virgin ABS ・ PP.

見積もりを依頼

Need a plastic 玩具 メーカー who documents every step — from injection to EN71 certification? TopToyFactoryへのお問い合わせ for a compliance dossier ・ factory tour. メール: sales11@cps-toys.com. We'll share mold specs, test reports, ・ a sample of your chosen product within 48 hours.