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 ESB2, Electric Sprue Bushing ESB2 Features • Lowest possible thermal stress on the plastic • Exceptionally uniform heat distribution along the sprue bushing. • Ceramic insulation between bushing and mould. • Low power consumption. Egenskaper • Utomordentligt jämn värmefördelning längs bussningen. • Bussningen går att använda med i stort sett alla av dagens existerande material. • Minsta möjliga termiska påkänning på plasten. • Låg effektförbrukning. 28 L=26-136 +20 Ø50 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) ESB2 1 Ø6 Ø50f8 Ø48 ”L” mm Single-cav. Part No. Multi-cav.* Total volume of feed channel in mm 3 28 +0 -0,05 9,5 26 ESB2026101 ESB2026102 1378 26+20 ESB2026201 ESB2026202 2006 46 ESB2046101 ESB2046102 1943 46+20 ESB2046201 ESB2046202 2572 “L” Ø24 66 ESB2066101 ESB2066102 2508 66+20 ESB2066201 ESB2066202 3137 86 ESB2086101 ESB2086102 3074 6 86+20 ESB2086201 ESB2086202 3702 Ø2 106 ESB2106201 ESB2106102 3639 +20 Taper of the gate 3 degrees “inc.” Ø12h6 106+20 ESB2106201 ESB2106202 4267 136 ESB2136101 ESB2136102 4487 136+20 ESB2136201 ESB2136202 5115 * with O-ring 608 Can be controlled with various types of temperature controllers intended for hot runner systems with 220/240 V using thermocouple of type Fe-CuNi. 15,5 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) 400g 300g 150g Gate diameter is Ø2 mm on delivery, can be reamed up to Ø5 mm if needed. Please, look at page 9 regarding gate diameter. Length expansion at: °C=”L”+X,xx Ø27 °C 26 46 66 86 106 136 9 200 0,06 0,11 0,15 0,20 0,24 0,31 Ø10,4 +0,01 -0 250 0,07 0,13 0,19 0,25 0,30 0,40 20 8 R04 max Ø50 H7 20 2,5 300 0,09 0,16 0,23 0,30 0,37 0,47 350 0,10 0,19 0,27 0,35 0,43 0,55 Ø28 65° +0,01 8 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. ”L” 2 R3 Före inbyggnad, mät upp bussningens nominella "L"-mått, lägg därefter till längdutvidgningen så att bussningens spets ligger exakt vid intagspunkten i uppvärmt tillstånd. Ø12 H7 Ø0,01 Ø27 5 ”L” 9 max 1.5 0,25-0,5 2 Ø12 3 R=1 ØD ØD(D+4) Gate on runner or on surface not perpendicular to bushing. Increased temperature in the front end of the bush due to reduced heat loss. more 2.02.2 Date: 030928, © LKM Heatlock Co Ltd
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Heatlock ESB2, Electric Sprue Bushing

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