Overview

This document provides comprehensive technical specifications, configuration guidelines, and application instructions for the Series 16 E02 manifold nozzles with screw fit, designed for hot runner systems in injection molding. The nozzles feature a 16 mm flow bore diameter and support various gating types and nozzle tip shapes to accommodate different thermoplastic processing requirements.

1. Product Description

• Nozzle Type: Manifold nozzles with screw fit.
• Version: Staged nozzle with a slim front area.
• Nozzle Tips: Screw-in parts allowing interchangeable tip shapes and gating types.
• Gating Types: Open, open with torpedo, and valve gate.
• Heating: External heating with 230 V AC, featuring 2 to 3 heating zones; power ranges from 515 W to 1445 W depending on nozzle length and type.
• Thermocouple: Fe/CuNi type compliant with DIN 43710.
• Application: Suitable for all common thermoplastics; maximum shot weights up to 2000 g for open nozzles and 400 g for valve gate nozzles.

2. Dimensions and Tolerances

The document details critical dimensional parameters including nozzle length (L), cut-out lengths (L1, L2), diameters at various sections, tip diameter, and hot runner gate diameter. Length codes correspond to specific nozzle lengths or ranges. Locking pin grooves/bore prevent nozzle rotation. All dimensions and tolerances conform to DIN ISO 2768-mK standards, ensuring precise fit and function.

3. Nozzle Tip Shapes and Gating Types

• Y: Open with torpedo, for narrow to medium process windows.
• V: Valve gate, for narrow to medium process windows.
• U: Open with torpedo, for medium to wide process windows.
• P: Open with torpedo, for medium to wide process windows.
• K: Open, suitable for all usual thermoplastics.
• L: Open with torpedo, for narrow to medium process windows.

4. Heating Zones and Power Ratings

Nozzles incorporate 2 to 3 heating zones from tip to head, with power ratings ranging from approximately 200 W to 1445 W depending on length and configuration. Cooling is mandatory around and opposite the nozzle tip to maintain stable operation and prevent overheating.

5. Installation and Application Notes

• The nozzle tip front must always be in direct contact with the plastic melt to avoid defects.
• Cut-outs in mold plates are specified for nozzle and connection fittings, including electrical power and thermocouple placements.
• Locking pins secure the nozzle against rotation during operation.
• Cooling channels must be integrated around and opposite the nozzle tip, tailored to the gating type and tip shape.

6. Standards and References

• General tolerances and surface finishes comply with DIN ISO 2768-mK.
• Thermocouple specifications follow DIN 43710.
• For detailed design and application guidance, the Synventive Hot Runner Guide is referenced.

7. Summary of Critical Parameters

8. Good Practices and Recommendations

• Ensure the nozzle tip front is always in contact with the plastic melt to prevent molding defects.
• Use locking pins to prevent nozzle rotation and maintain alignment.
• Select nozzle tip shape and gating type based on material process window and viscosity.
• Adhere strictly to specified cut-out dimensions and tolerances for mold plate machining to guarantee proper fit and function.
• Consult the Synventive Hot Runner Guide and Synventive directly for detailed design, application guidance, and specific customization.

9. Additional Technical Details

• Nozzle configuration involves selecting series, type, length code, and heater zone power based on application needs.
• Heater zones are numbered from nozzle tip to head, with power ratings typically between 200 W and 630 W per zone.
• Tolerances for shape, position, radius, and angles are critical and must comply with DIN ISO 2768-mK.
• Cooling channels must be integrated appropriately to maintain nozzle temperature and performance.

10. Regional Support and Contact Information

The document includes contact details for Synventive regional offices worldwide, covering countries such as Australia, Brazil, Canada, China, Germany, India, Japan, United States, and others, facilitating technical support and ordering.

Summary

This document serves as a detailed technical reference for specifying, configuring, and installing Series 16 E02 manifold nozzles with screw fit in hot runner injection molding systems. It emphasizes adherence to DIN standards, proper cooling, precise dimensional tolerances, and correct nozzle tip selection to optimize molding performance. For complex or specific applications, consultation with Synventive and reference to the Synventive Hot Runner Guide is strongly recommended.