Heatlock ESB2, Electric Sprue Bushing
Heatlock ESB2, Electric Sprue Bushing
Heatlock ESB2, Electric Sprue Bushing
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This <strong>Heatlock</strong> series, below, is currently being replaced by the A1-series of nozzles.<br />
Before you design check availability, stock is gradually decreased.<br />
Spare parts will be available until at least end of 2007 (apart form NPT1 bodies)<br />
ESB4<br />
+20 "L" 28<br />
8 1.5<br />
Ø36<br />
10<br />
Ø62f8<br />
Ø60<br />
Ø14/(B)<br />
Ø3-3°(C)<br />
”L”<br />
mm<br />
Single-cav.<br />
Part No.<br />
Multi-cav.*<br />
Total volume<br />
of feed<br />
channel in<br />
mm 3<br />
75+20 ESB4075201 ESB4075202 14279<br />
100+20 ESB4100201 ESB4100202 18126<br />
125+20 ESB4125201 ESB4125202 21972<br />
150+20 ESB4150201 ESB4150202 25819<br />
175+20 ESB4175201 ESB4175202 29665<br />
200+20 ESB4200201 ESB4200202 33512<br />
* with O-ring 615. Later version with O-ring 640.<br />
Can be controlled with various types of temperature controllers intended for<br />
hot runner systems with 220/240 V using thermocouple of type Fe-CuNi.<br />
Recommended for the following maximum shot weights:<br />
Ø25h6<br />
Low-viscosity plastic (PS,PE,PP)<br />
Med.-viscosity plastic (ABS,SAN, PA,POM)<br />
4500g<br />
2800g<br />
High-viscosity plastic (PC,PMMA, Noryl, Filled material)<br />
1700g<br />
Gate diameter is 3 mm on delivery, can be reamed up to 12 mm if needed.<br />
15.5<br />
Length expansion at: °C=”L”+X,xx<br />
°C 50 75 100 125 150 175 200<br />
200 0,12 0,17 0,23 0,29 0,34 0,40 0,46<br />
250 0,14 0,22 0,29 0,36 0,43 0,50 0,58<br />
300 0,17 0,26 0,34 0,43 0,52 0,60 0,69<br />
350 0,20 0,30 0,40 0,50 0,60 0,70 0,80<br />
Ø27<br />
To ensure minimum vestige on the part, measure the actual "L" measurement<br />
on each bush, add the length expansion according to the table to get<br />
the hole depth ("L"+X,xx) to be drilled in the cavity plate.<br />
9<br />
8<br />
Ø14<br />
R04 max<br />
+0.01<br />
-0<br />
Före inbyggnad, mät upp bussningens nominella "L"-mått, lägg därefter till<br />
längdutvidgningen så att bussningens spets ligger exakt vid intagspunkten i<br />
uppvärmt tillstånd.<br />
20<br />
Ø62H7<br />
20<br />
2.5<br />
Ø40<br />
"L"<br />
+0.01<br />
8<br />
65°<br />
2<br />
R3<br />
max 1,5<br />
ØA H7<br />
Ø0.01<br />
5<br />
2<br />
5<br />
"L"<br />
0.25-0.5<br />
R=1<br />
ØD<br />
Gate on runner or on surface not<br />
perpendicular to bushing.<br />
Ø(D+4)<br />
Increased temperature in the<br />
front end of the bush due to<br />
reduced heat loss.<br />
ØAH7<br />
more<br />
2.04.2 Date: 030930, © LKM <strong>Heatlock</strong> Co Ltd
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