Bulk Nylon Zipper Monofilament Chain Machine
The machine extrudes continuous nylon monofilament and forms it into a zipper chain by interlooping the filaments into a uniform pitch. Production is continuous, allowing lengths of several hundred meters without splicing, which reduces handling time in high‑volume zipper assembly lines.
Technical Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Monofilament diameter | 0.20 – 0.35 | mm |
| Chain pitch | 4.0 – 5.0 | mm |
| Tensile strength (monofilament) | ≥ 45 | cN/tex |
| Production speed | 30 – 120 | m/min |
| Power consumption | 4.5 – 7.0 | kW |
| Machine footprint (L×W×H) | 2200 × 900 × 1500 | mm |
| Operating temperature range | 15 – 35 | °C |
Applications
The continuous monofilament chain provides consistent tooth geometry and low friction, which is essential for high‑speed apparel sewing where zipper failure rates must stay below 0.1 %. In luggage manufacturing, the chain’s abrasion resistance (measured by Taber wear < 10 mg after 500 cycles) ensures durability under repeated flexing. Automotive interior suppliers value the UV‑stabilized nylon option, which retains > 85 % tensile strength after 500 h of xenon‑arc exposure.
- Apparel: outerwear, sportswear, workwear
- Luggage & travel goods: suitcases, backpacks, duffel bags
- Automotive: seat cushions, door panels, interior trim
- Industrial: protective covers, equipment bags
Customization Options
- Filament polymer: nylon 6, nylon 6,6, or co‑polyamide blends
- Surface treatment: lubricant coating, anti‑static finish, UV stabilizer
- Chain width: 3 mm to 12 mm (number of filaments per tooth)
- Speed regulation: closed‑loop servo drive with ± 2 % tolerance
- Downstream integration: optional cutter, welder, or tape applicator modules
Quality Control Philosophy
Quality assurance relies on real‑time laser diameter monitoring (± 2 µm) and inline tensile testing of sample loops every 30 m of production. Each batch is subjected to a 10‑minute cyclic flex test (10 000 cycles at 2 Hz) to verify fatigue resistance, with results logged against ISO 9001‑2015 criteria. Final inspection includes visual inspection under 10× magnification for tooth uniformity and a dimensional audit of pitch over a 1‑meter sample.
Frequently Asked Questions
Can the machine be adapted for polyester monofilament?
Yes, the extrusion system can be re‑configured for polyester, though the optimal temperature profile and draw ratio differ; a feasibility study is recommended.
What information is required for a quotation?
Desired filament diameter, chain pitch, production speed, any special coatings, and required integration modules.
How are export shipments protected?
Machines are packed in heat‑treated wooden crates with internal bracing, desiccant packs, and shock‑indicating labels to meet ISPM‑15 standards.
What is the typical lead time?
Standard configurations ship within 8‑10 weeks after receipt of purchase order; custom options may extend to 12‑14 weeks.