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Support Ring / Face Fit SR20

Support Ring / Face Fit SR20
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Support Ring / Face Fit SR20

Product catalog summary
Overview: This document outlines the technical specifications and guidelines for the Series 07 E01 Manifold Nozzles, focusing on the SR20 Hot Runner Nozzle. It covers tip styles, gating types, heater options, and design and application information.
Specifications: The SR20 nozzles are designed for manifold systems with a sliding fit and offer various gating types such as full flow, cone point, and valve gate. They incorporate heat pipe technology for consistent temperature and patented seal technology, suitable for both filled and unfilled materials.
Tip Styles and Gating: Several Controlled Vestige (CV) tip options are available, including CV10, CV11, CV20, and valve gates like VG12 and VG23. Each tip style has specific gate diameters and dimensions tailored to different materials like PA and PBT.
Heater Options: The nozzles require external heating, with band and helical heater options. The document details power requirements and installation guidelines, stressing the importance of proper clearance and alignment.
Design and Application: Instructions are provided for integrating the nozzles into mold systems, including cut-out dimensions and alignment pin usage to prevent rotation. Tolerances and surface requirements are specified according to DIN ISO 2768-mK standards.
Recess and Contour Criteria: Criteria for recessed gates and angled mold contours are outlined, with formulas to calculate vestige height and land requirements based on orifice size and angle.
Recommendations: For specific applications, consulting with Synventive is recommended to ensure optimal performance and compatibility with intended materials and design configurations.
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Catalog excerpts

Support Ring / Face Fit SR20-1

Company C > Products P > Technology T > Application A >

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Support Ring / Face Fit SR20-2

Illustrations simplified, schematically drawn and not to scale. Product type Manifold nozzle sliding fit > D D1 Utilizes heat pipe technology to ensure uniform temperature > Dt 訨 Patented seal technology Replaceable threaded tipsAvailable with ten Controlled Vestige (CV) tip options including valve gates for zero vestige applications. See table at right.Available gating types > Gate Major Dimensions (mm) Full flow 訨 Cone point:CV11CM & CV21CM developed for PA and PBT Valve gate: VG12 & VG23 tapered gate VG12S & VG23S Straight gate VG-23SGate:5.0 > L1 J Z J Nozzle length106-500Nozzle flow bore...

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Support Ring / Face Fit SR20-4

Illustrations simplified, schematically drawn and not to scale. 1. Cut out for the nozzle 2. Cut out for connections3. Alignment pin 1 > * drawn offset** to all other pocket surfaces DIN ISO 2768-mK > 3.21.60.8 2 > H6 Dt 3 ؠ electrical power > 14 53 0.03 Ѡ thermocouple > J 0.05 6 The alignment pin prevents the nozzle from rotating. > 26 2 > 20 4. Cut out for the nozzle tip > H6 break all sharpedges 6 DtHA)b) Tip јHot runner gate Through bore nozzle tip (CV10, CV11, CV11CM, VG12 and VG12SBlind bore nozzle tip (CV20, CV21,CV21CM, VG23 & VG23S) Length from back of cavity plate toGate locationGeneral...

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Support Ring / Face Fit SR20-5

Illustrations simplified, schematically drawn and not to scale. SR20 Series SR20 manifold criteria: > SR20 hot runner systems are designed with preload between the thrust pads and the mold plates in the cold condition. As the manifold heats an additional sealing force is created > T TCP656 訨 > 訨 Thrust pads are made of a low conductivity material and should only be replaced with an equivalent Synventive part Excessive contact with the mold will cause heat sinks and affect system performance. Contact with the mold must be limited to specified areas. Support ring nozzles do not line up with sub-runners...

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Support Ring / Face Fit SR20-8

Illustrations simplified, schematically drawn and not to scale. SR20 CV11 > D D1 General: Filled and unfilled materials More heat in gate area for semi-crystalline materials 訨 Heat pipes for isothermal operation Nozzle Criteria: > Orifice 2.0-4.0 蘨 J length 106-500 Patented seal > L1 J Z 2-4 Information regarding H6 蘰 26 tolerances and surfaces 30 120 ఘ shape and position tolerances cut out for connections ࠠ groove/bore for locking pinplease see page 3 Cut out in mould plate for nozzle and connectionsӔGeneral tolerances according to DIN ISO 2768-mK 2-4 Heater zones power (Watt) 3) 45 ذ Cooling...

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