Hot Runner Guide APT - Heatpipe NozzlesHot Runner Guide Layout and Design

Transcription

1 Hot Runner Guide Heatpipe NozzlesHot Runner Guide Layout and Design ompany roducts 14 EN REV01 echnology pplication 12 ll rights reserved. Errors and exceptions expected.

2 Layout and Design he purpose of this Hot Runner Guide he Hot Runner Guide Layout and Design is intended to help everyone who designs feed systems for injection molds or simply wants to find out about designing feed systems in the following way: Overview of the Synventive hot runner product range Insight into the layout of feed systems with hot runner technology Help to select suitable hot runner components Important note able of contents age 2... age 3... age 4... age 5... age 6... ll the information contained in these pages is based upon our current knowledge and experience gained from both theory and practice. However because of many factors outside our control they do not guarantee the suitability of our products for any particular application. lways consult Synventive for your specific application. For the latest hot runner guide, please visit Introduction Heater Overview of nozzles series Key data of nozzles Overview of the available manifold series Overview of the available actuators age 7... age 8... age 9... age age... age age age age age nozzles, size 05 Inozzles, size 08 nozzles, size 08 nozzles, size 13 nozzles, size 15 nozzles, size 16 nozzles, size nozzles, size 24 Designing the interface between cavity and runner Designing the flow channel with nozzles 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 1 / 16

3 Heater Heater Desgin : dvanced ower ransfer nozzles nozzles are externally heated by one heater (1). emperature uniformity is achieved by heat being actively transferred via heat pipes from the heat source along the flow channel. In most application, this technology allows for a spare heater and thermocouple to be installed on the nozzles. apt 2. Heat pipe operation principle he heat pipe is an evacuated chamber (a), inside of which is a liquid and a capillary wick (b), which acts as a transport device. he phenomena of evaporation, condensation, and surfacetension pumping of liquid in the wick are used to transfer latent heat of vaporization continuously from one region to another. 2 e) a) d) b) c) c) onsumption of energy caused by evaporation. d) Vapor transport to a region of lower pressure. Surfacetension pumping of liquid. e) Release of energy caused by condensation. liquid vapour 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 2 / 16

4 Nozzle style S SR Hot Runner Guide Overview of the nozzle series Nozzle size Flow bore Single nozzles hot sprue bush Manifold nozzles face fit Manifold nozzles screw fit 5 Flow bore = max. 5 S 5/US 5 open 8 Nozzle series and gating type Flow bore = max. 8 S 8/US 8 open 13 Flow bore = max. 13 S 13 open 15 Flow bore = max. 15 S 15 open 16 Flow bore = max. 16 SR 16 open / 16 open / Flow bore = max. SR open / open / 24 Flow bore = max. 25 S 24 open SR 24 open / 24 open / 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 3 / 16

5 Key data of nozzles Nozzle key data Max. shot weight per nozzle (g) open Major dimensions Heater zones Nozzle style Nozzle series a) high b) medium c) low a) high b) medium c) low Flow ore D Xn No. ower (W) S S 5/US 5 S 8/US 8 S 13 S 15 S SR SR 16 SR SR Single nozzles Single nozzles are hot runner nozzles with the inlet bushing directly mounted on the nozzle head. herefore they are also called heated sprue bushings. > 150 a s Viscosity of melt* a) high, MM EEK, ES, SU, EI, OM S Single nozzle 1. Shot weight based on gating type and viscosity of melt 2. Major dimensions and heater zones Minimum and maximum value of nozzle length depend on the selected tip shape. Intermediate values can be found from the dimensional table of each nozzle series. ll nozzles are externally heated. he numbering of the heater zones starts at the nozzle tip and ends at the nozzle head. = a s < 60 a s b) medium S, SN, S,, E, OM (opo),, E, O, S, /S, / c) low, E, S, L, E *at medium melt temperature and at a shear rate of /s D Manifold nozzle, face fit E Manifold nozzle, screw fit M V Manifold * Xn: Minimal Distance etween Nozzles 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 4 / 16

6 Manifolds vailable manifold series 08 SR 8 Nozzle size Nozzle series V M=37, M1=36 2 max N V V M=37, M1=56 2 max N V VD M=42, M1=56 2 max N V VE M=50, M1=80 2 max N V VF M=65, M1=80 2 max N V VI M=80, M1=87 2 max N V VH M=80, M1=97 2 max K5 N V 16 SR / /22 18 SR. 10/ / SR / / I Y 1. Major dimensions 2. Manifolds in standard shape 3. Manifolds in customised shape 4. ridge manifolds H X 3 M M1 4 N: open nozzles V: nozzles 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 5 / 16

7 ctuators vailable actuators 08 SR 8 Nozzle size Nozzle series HY 2508M 01 HY 4018M 01 HY 4018M 02 HY 45M 03 N N 4508M 01 N 7518M 01 Xc Xc Xc Xc Xc Xc Xc Xc Xc Xc Xc Xc Xc N 7518M 02 HYZ QG 08 V V 8 0 HY 45M SR SR SR Xc Xc Xc 1. ctuator bolted to the manifold 2. ctuator in mold plate 3. Dynamic Feed actuator pneumatic hydraulic 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 6 / 16

8 Material suitablity: nozzles, size 05 Gating ip style & flow bore Option 10 Related nozzle series 04 S 5/US 5 Material suitability pplication Material dditives D D D D semicrystalline E EEK S E L E/ OM Homo OM opo x x o o o o x x o o o o amorphous MM S S SN S E ES SU EI V soft /S SM / o o o o o o o o o o o o o o o o o o thermopl. elastomers EO/S/V EU open (thermal gate) : unfilled : fillers : glass fibers D: flame retardants + : highly suitable x : suitable o : depending on application : unsuitable 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 7 / 16

9 Material suitablity: Open Inozzles, size 08 ip shape Version Gating D E Related nozzle series 07 SR8 S SR 8 Material suitability pplication Material dditives D D D D semicrystalline E EEK S E L E/ OM Homo OM opo o o + o o o + o o o + o o o + o o o + o amorphous MM S S SN S E ES SU EI V soft /S SM / o o x o o o x o o o x o o o x o o o x o o o x o o o x o o o x o + + x o + + x o thermopl. elastomers EO/S/V EU open (thermal gate) x o : unfilled : fillers : glass fibers D: flame retardants + : highly suitable x : suitable o : depending on application : unsuitable * D: Dimple * E: Extension 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 8 / 16

10 Material suitablity: nozzles, size 08 Gating ip style & flow bore Option 10 M Related nozzle series 07 S 8/US 8 Material suitability pplication Material dditives semicrystalline amorphous thermopl. elastomers E EEK S E L E/ OM Homo OM opo MM S S SN S E ES SU EI V soft /S SM / EO/S/V EU D D D D D x + + x x + + x o o o open (thermal gate) : unfilled : fillers : glass fibers D: flame retardants + : highly suitable x : suitable o : depending on application : unsuitable * M: rystalline Material 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 9 / 16

11 Material suitablity: nozzles, size 13 Gating ip style & flow bore Option 10 M M Related nozzle series 13 S 13 Material suitability pplication Material dditives semicrystalline E EEK S E L E/ OM Homo OM opo D D D D D D amorphous MM S S SN S E ES SU EI V soft /S SM / x + + x x + + x thermopl. elastomers EO/S/V EU open (thermal gate) o o o : unfilled : fillers : glass fibers D: flame retardants + : highly suitable x : suitable o : depending on application : unsuitable * M: rystalline Material 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 10 / 16

12 Material suitablity: nozzles, size 15 Gating ip style & flow bore Option 10 M M Related nozzle series 15 S 15 Material suitability pplication Material dditives semicrystalline E EEK S E L E/ OM Homo OM opo D D D D D D amorphous MM S S SN S E ES SU EI V soft /S SM / x + + x x + + x thermopl. elastomers EO/S/V EU open (thermal gate) o o o : unfilled : fillers : glass fibers D: flame retardants + : highly suitable x : suitable o : depending on application : unsuitable * M: rystalline Material 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. / 16

13 Material suitablity: nozzles, size 16 Gating ip style & flow bore Option S S Related nozzle series 16 SR Material suitability pplication, tapered, cylindrical, tapered, cylindrical Material dditives D D D D D D D D semicrystalline E EEK S E L E/ OM Homo OM opo x o + o + o x x x o x o + o + o x x x o x o x x o o x x o + o + o + x o x x o o x x o + amorphous MM S S SN S E ES SU EI V soft /S SM / o x o o x o x x x x x x x x o + o + thermopl. elastomers EO/S/V EU open (thermal gate) o o o o o o o x x : unfilled : fillers : glass fibers D: flame retardants + : highly suitable x : suitable o : depending on application : unsuitable * S: Straight in 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 12 / 16

14 Material suitablity: nozzles, size Gating ip style & flow bore Option 10 M M S S Related nozzle series SR Material suitability pplication, tapered, cylindrical, tapered, cylindrical Material dditives semicrystalline E EEK S E L E/ OM Homo OM opo D D D D D D D D D D x x x x o o o o x x o + o + o + x o x x o o x x o + amorphous MM S S SN S E ES SU EI V soft /S SM / x + + x x + + x o + o + thermopl. elastomers EO/S/V EU open (thermal gate) o o o o o x x o o x x : unfilled : fillers : glass fibers D: flame retardants + : highly suitable x : suitable o : depending on application : unsuitable * M: rystalline Material * S: Straight in 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 13 / 16

15 Material suitablity: nozzles, size 24 Gating ip style & flow bore Option S S Related nozzle series 24 S 24 SR Material suitability pplication, tapered, cylindrical, tapered, cylindrical Material dditives semicrystalline E EEK S E L E/ OM Homo OM opo D D D D D D o x x + o x o o x x + o x o x x x x x x o + o + o + x x x x x x o + amorphous MM S S SN S E ES SU EI V soft /S SM / o + o + thermopl. elastomers EO/S/V EU open (thermal gate) o o x x o o x x : unfilled : fillers : glass fibers D: flame retardants + : highly suitable x : suitable o : depending on application : unsuitable * S: Straight in 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 14 / 16

16 Designing the interface between cavity and runner with nozzles hoose gating type riteria: Optimum mold filling by optimum number, position, shape and size of gates Use best mold concept for an economic production hoose nozzle type riteria Gating type needed Material suitability of selected nozzle type Direct gating Gating on cold sub runner Gate mark on part or sub runner ip style and flow bore ype of gate hrough bore tips hermal gate Vestige with witness mark 10 open flow Dimensions Mold plate thickness Hot runner gate Vestige in a dimple with witness mark Sprue and witness mark Extension for machining lind bore tips tip insert 12 tapered 12 S straight open flow Vestige with / without dimple tip insert 23 tapered Valve gate 23 S straight Sprue 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 15 / 16

17 Designing the flow channel with nozzles hoose nozzle riteria: Style of hot runner system and gating configuration Maximum shot weight per nozzle hoose manifold and / or inlet bushing riteria ssociated nozzles actuators etc. Gating configuration riteria Machine rocess Nozzle size Nozzle style hickness x width of manifold Machine nozzle contact 5 = max. 5 S Single nozzle 8 = max = max = max = max. 16 = max. 24 = max. 24 Flow bore SR Manifold nozzle, face fit M V Manifold D E F M = 37 M1 = 56 M = 65 M1 = 80 M = 85 M1 = 97 M = 80 M1 = 87 Dimensions D M M1 Mold plate thickness cut out, front Manifold thickness Manifold width Manifold cut out, right (above) Manifold cut out, left (below) apt Manifold nozzle, threaded D hoose flow control device riteria Selected gating type = dditional pressure control inside flow channel Valve gate components Melt pressure control ctuator bolted to manifold ctuator in mold plate Flow valve module 14 EN REV01 12 ll rights reserved. Errors and exceptions expected. 16 / 16

18 14 EN REV01 12 ll rights reserved. Errors and exceptions expected.