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 NPT2, Needle Point Topless NPT2 Features • Minimum gate residue as only witness mark on the part. • Easy to start, even with materials that are hard to inject. • Ceramic insulation between bushing and mould. • Non-stressful treatment of the material, suitable also for materials sensitive to friction. Egenskaper • Keramiskt isolerad från formen. • Lättstartad även med svårsprutade material. • Minimal intagsrest som enda märke på detaljen. • Skonsam behandling av materialet, lämplig även för friktionskänsliga material. 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) NPT2 Ø50f8 Ø48 Ø35 Ø23 ”L” mm Single-cav. Part No. Multi-cav.* Total volume of feed channel in mm 3 Ø6 26 NPT2026411 NPT2026412 1374 46 NPT2046411 NPT2046412 1940 4 66 NPT2066411 NPT2066412 2505 40 * with O-ring 500 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) 350g 150g 30g Gate diameter can be reamed up to approx. 3.0 mm, if needed. 15.5 “L Ø27h6 Length expansion at: °C=”L”+X,xx °C 26 46 66 - - - 200 0,10 0,17 0,23 - - - 250 0,13 0,21 0,30 - - - 300 0,16 0,26 0,36 - - - 350 0,19 0,30 0,42 - - - 3 Ø24 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. 32 8 Ø8.9 Ø35 R04 max Ø50 H7 20 2,5 Före inbyggnad, mät upp bussningens nominella "L"-mått, lägg därefter till längdutvidgningen så att bussningens spets ligger exakt vid intagspunkten i uppvärmt tillstånd. +0,01 8 8 10.5 9 28 30 14.7 Ø0.5 +0,01 -0 "L"+X.xx Ø27H7 R4 60° Ø0,01 max 1.5 30° 0.2 max Ø3 more 2.10.2 Date: 031002, © LKM Heatlock Co Ltd
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Heatlock ESB2, Electric Sprue Bushing

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