Heatlock ESB2, Electric Sprue Bushing

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This Heatlock series, below, is currently being replaced by the A1-series of nozzles. Before you design check availability, stock is gradually decreased. Spare parts will be available until at least end of 2007 (apart form NPT1 bodies) Heatlock NPT3…Needle Point Topless. NPT3 Features • Withstand higher injection pressures. • For use in very profiled surfaces. • Easier to cool. • Easy installation. • Easy to use. Egenskaper • Klarar högre spruttryck. • För användning vid mera komplexa formgeometrier. • Enkel att kyla. • Enkel att hantera. • Enkel att använda. 28 L=46-176 Ø56 Shot weights
This Heatlock series, below, is currently being replaced by the A1-series of nozzles. Before you design check availability, stock is gradually decreased. Spare parts will be available until at least end of 2007 (apart form NPT1 bodies) NPT3 Ø56 f8 Ø25 Ø9 ”L” mm Single-cav. Part No. Multi-cav.* Total volume of feed channel in mm 3 46 NPT3046411 NPT3046412 4121 66 NPT3066411 NPT3066412 5393 86 NPT3086411 NPT3086412 6665 28 116 NPT3116411 NPT3116412 8572 146 NPT3146411 NPT3146412 10480 176 NPT3176411 NPT3176412 12387 +0.1 -0,02 * with O-ring 630 Can be controlled with various types of temperature controllers intended for hot runner systems with 220/240 V using thermocouple of type Fe-CuNi. Recommended for the following maximum shot weights: Low-viscosity plastic (PS,PE,PP) Med.-viscosity plastic (ABS,SAN, PA,POM) High-viscosity plastic (PC,PMMA, Noryl, Filled material) 1000g 500g 300g 15,5 Length expansion at: °C=”L”+X,xx °C 46 66 86 116 146 176 200 0,11 0,15 0,20 0,27 0,34 0,40 250 0,13 0,19 0,25 0,33 0,42 0,51 300 0,16 0,23 0,30 0,40 0,50 0,61 350 0,19 0,27 0,35 0,47 0,59 0,71 Ø27 To ensure minimum vestige on the part, measure the actual "L" measurement on each bush, add the length expansion according to the table to get the hole depth ("L"+X,xx) to be drilled in the cavity plate. Före inbyggnad, mät upp bussningens nominella "L"-mått, lägg därefter till längdutvidgningen så att bussningens spets ligger exakt vid intagspunkten i uppvärmt tillstånd. 28,5 8 Ø9 Ø56 H7 2,5 +0,01 -0 28 L 11,9 1.2 Ø30 15° R0,4 max R2 R1 Ø19 H7 Ø0,01 110° 0,2 L 8±0,0025 Ø27,4 14,5 max 1,5 Ø1,8-4 more 2.11.2 Date: 031029, © LKM Heatlock Co Ltd
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Heatlock ESB2, Electric Sprue Bushing

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