Barrel Heaters - Hasmak.com.tr

W A T L O W<strong>Barrel</strong> <strong>Heaters</strong>Problem SolversSolutions To Common <strong>Barrel</strong>Heater ProblemsHeater replacement intervals can belengthened or heater problems eliminatedby using the optimum heater technology.Check the list below to see if your plasticsprocessing can be improved.ProblemHigh process temperaturecausing premature heater failurePower leads deteriorating fromover-temperatureSlow response to temperaturecontrolExposed electrical terminationsObstructions on the barrel’ssurface affecting heaterplacementProcess requires constantheater removalPower leads abrading or needphysical protection againstsharp edgesHeater Solution• High temperature MI band heater• Cast-in heat/cool bands• Use MGT 450°C (850°F) rated wire• Fiberglass sleeve over leads• High thermal conductive MI band• Ceramic covers over post terminals• Order metallic terminal box with heater• Increase heater gap• Order heater with holes, cutouts, or notches• Two-piece cast-in or MI band• Order quick disconnect assemblies• Metal braided leads• Stainless steel hose over leadsExtrusion<strong>Barrel</strong> <strong>Heaters</strong>215