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Threaded / Screw Fit T20

Threaded / Screw Fit T20
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Threaded / Screw Fit T20

Product catalog summary
Overview: This document outlines the technical specifications and guidelines for Series T20 Hot Runner Nozzles, focusing on manifold nozzles that are threaded and available in open, closed, and valve gate configurations. These nozzles are suitable for both filled and unfilled materials and employ heat pipe technology for consistent temperature distribution.
Product Specifications:
  • Product Type: Threaded Hot Runner Nozzle (T)
  • Temperature Control: Features heat pipe technology and patented seal technology.
  • Tip Options: Offers ten Controlled Vestige (CV) tip options, including valve gates for zero vestige applications.
  • Gating Types: Includes full flow (CV10 & CV20), Cone Point (CV11, CV11CM, CV21, CV21CM), and Valve gate (VG12 & VG23 tapered gate, VG12S & VG23S straight gate).
  • Nozzle Length: Band heated (160-380 mm), Helical heated (160-500 mm).
  • Nozzle Flow Bore: Diameter ranges from 10 to 20 mm.
Heating Options:
  • Band Heater: Requires one heater, with an optional spare if space permits. Minimum J = 160 mm, Maximum J = 380 mm.
  • Helical Heater: Requires two heaters for J > 425 mm. Minimum J = 160 mm, Maximum J = 500 mm.
Manifold Integration:
  • No preload needed as systems thread directly into the manifold.
  • Clearance exists between thrust pads and mold plates when cold; contact occurs as manifold heats.
  • Thrust pads are made from low conductivity material.
  • Contact with mold is limited to specific areas to prevent heat sinks.
Design and Application: Users should refer to the Synventive Hot Runner Guide for detailed design and application information. The document stresses consulting Synventive for specific applications and provides general tolerances per DIN ISO 2768-mK.
Recessed Gates: These are used to minimize vestige height above or below the part surface. Specific criteria are given for materials without glass fibers, with recommendations to consult Synventive for glass-filled materials.
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Catalog excerpts

Threaded / Screw Fit T20-1

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

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Threaded / Screw Fit T20-2

CPTA CPTA Illustrations simplified, schematically drawn and not to scale. Product type Hot Runner Nozzle, T (threaded) Utilizes heat pipe technology to ensure uniform temperature > D1D 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 > Dt Full flow: CV10 & CV20 訨 Cone Point: > CV11, CV11CM, CV21,CV21CM Valve gate: VG12 & VG23 tapered gate VG12S & VG23S straight gateJ Nozzle length Band heated 160-380 Helical heated 160-500Nozzle flow bore > L1...

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Threaded / Screw Fit T20-3

Illustrations simplified, schematically drawn and not to scale. . Band Heater 訨 One heater required for operation. If mold thickness allows a spare band heater will be installed. J Minimum = 160 J Maximum = 380 K= 80 for single heater 145 for installed spare heater > 85 蘘50 When the distance from the manifold center locator to the hot runner nozzle center line exceeds the clearance hole must be increased to and the 8 hole increased to . When using the CV11CM and CV21CM tip styles the 500 50 ؘ 55 5 ؘ 90 85 heater clearance hole depth increases eliminating the ؘ50 clearance hole. See pg. 9/20 and...

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Threaded / Screw Fit T20-4

Illustrations simplified, schematically drawn and not to scale. * drawn offset** to all other pocket surfaces For design and application information,see the Synventive Hot Runner Guide.2006-07-18 - All rights reserved. Errors and omissions excepted.For a specific application, please consult Synventive. size="-2">

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Threaded / Screw Fit T20-5

Illustrations simplified, schematically drawn and not to scale. T20 Series > T20 manifold criteria: > T TCP8018 T20 manifold systems do not require preload because they are threaded directly into the manifold. The systems typically have a clearance between the thrust pads and mold plates in the cold condition. As the manifold heats and expands the thrust pads make contact with the plates. > 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....

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Threaded / Screw Fit T20-7

Illustrations simplified, schematically drawn and not to scale. Illustrations simplified, schematically drawn and not to scale. T20 CV10 T20 recessed gate mold contour criteria: Values in tables are for materials not having glass fibers. Consult Synventive for vestige height when using glass fillers. > Recessed gates are used to reduce vestige height above the part surface or keep the vestige below the part surface. 訨 For most materials CV10 vestige height is equal to 3.0 + orifice/2. If the vestige > Orifice h(recess depth) 2.023.93.027.4 > D 20.5 25.72.51.522.21.0 > For design and application...

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Threaded / Screw Fit T20-11

Illustrations simplified, schematically drawn and not to scale. Illustrations simplified, schematically drawn and not to scale. T20 CV11CM T20 recess criteria: Values in tables are for materials not having glass fibers. Consult Synventive for vestige height when using glass fillers > Recessed gates are used to reduce vestige height above the part surface or keep the vestige below the part surface > 17 記 Orifice Lengthcode 4.01.59 > h Orifice (recess depth) 22.51 D D > For design and application information,see the Synventive Hot Runner Guide.2006-07-18 - All rights reserved. Errors and omissions...

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Threaded / Screw Fit T20-13

Illustrations simplified, schematically drawn and not to scale. T20 CV20, Recessed T20 recessed mould contour criteria: Values in tables are for materials not having glass fibers. Consult Synventive for vestige height when using glass fillers > Recessed gates are used to reduce vestige height above the part surface or keep the vestige below the part surface 訨 For most materials CV20 vestige height is equal to 3 + ( O rifice /2). If the vestige height relative to the possible gate recess depth (h) is too great, use of a CV11 tip is recommended. > 17 ؘ D hRecess orifice2orifice2 3.0 + 30 Lengthcode...

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Threaded / Screw Fit T20-16

tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:6.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Arial", sans-serif; } .font2 { font:9.00pt "Arial", sans-serif; } .font3 { font:11.00pt "Arial", sans-serif; } .font4 { font:20.00pt "Arial", sans-serif; } .font5 { font:25.00pt "Arial", sans-serif; } .font6 { font:8.00pt "Lucida Sans Unicode", sans-serif; } Rynventive SeriesT20, CV21CM Manifold nozzle, threaded, cone point I olding solutions T20CV21CM General: ■^Filled and unfilled materials ■*No tip witness mark on part ■^Developed for PAand PBT materials. ■*Heat pipes for isothermal...

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Threaded / Screw Fit T20-17

Illustrations simplified, schematically drawn and not to scale. Illustrations simplified, schematically drawn and not to scale. T20 CV21CM T20 recess criteria: Values in tables are for materials not having glass fibers. Consult Synventive for vestige height when using glass fillers > Recessed gates are used to reduce vestige height above the part surface or keep the vestige below the part surfaceMaintain 0.13 land when machining gate recess or contour. 訨 > 17 Orifice Lengthcode 4.01.59 > hOrifice (recess depth) 22.5 D > For design and application information,see the Synventive Hot Runner Guide.2006-07-18...

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