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Hot Runner Guide

Product catalog summary

Overview: The Hot Runner Guide provides detailed information on designing feed systems for injection molds using hot runner technology. It covers system layout, component selection, and Synventive's product range, emphasizing the importance of consulting Synventive for specific applications due to varying external factors.

Specifications: The guide describes various nozzle series, including API and APT heater options. API nozzles use multiple heaters for temperature uniformity, while APT nozzles use heat pipes for efficient heat transfer. It includes key data for single and manifold nozzles, such as shot weights, dimensions, and heater zones.

Procedures: The document outlines the design process for hot runner systems, including interface design between cavity and runner, flow channel design, and cavity gate diameter definition. It also discusses shot weight per nozzle and thermal expansion guidelines.

Norms and Recommendations: The guide advises on material suitability and provides a detailed list of available nozzle series, emphasizing the importance of selecting the right components based on application needs.

Key Data Summary: Tables in the guide present critical data on nozzle sizes, series, and heater options, highlighting the importance of temperature uniformity and energy efficiency in hot runner systems.

Material Suitability for APT-Nozzles:
Overview: This document analyzes the suitability of various materials for APT-nozzles of different sizes, specifically sizes 07, 12, 16, and 22. It includes information on related nozzle series, application, material additives, gating, tip style, and flow bore options.
Material Suitability Ratings: Materials are rated as highly suitable, suitable, depending on application, and unsuitable, represented by symbols: + (highly suitable), x (suitable), o (depending on application), and - (unsuitable).
Material Categories: Materials are categorized based on their composition: unfilled, fillers, glass fibres, and flame retardants. A matrix of suitability for each material category across different nozzle sizes is provided.
Nozzle Sizes and Process Windows: Size 07 is suitable for medium to wide process windows; Size 12 for medium to wide, with options for narrow to medium; Size 16 and 22 for medium to wide, with options for tapered and cylindrical needles.
Injection Moulding Process Elements: The document outlines elements involved in the injection moulding process, including the injection moulding machine, mould, plastic material, settings and parameters, mould base, feed system, cavity, cooling system, demoulding devices, and cold runner.
Recommendations: Consultation with Synventive is recommended for specific applications to ensure optimal material and nozzle selection.