Bulk Round Heater Cable can be formed into many configurations, making it suitable for many applications including its extensive use in heat tracing. The heat source is a resistance wire in straight or coiled form. A swaging and drawing process compacts the ceramic insulators that house the heating element into a solid mass, producing a rugged and durable heater cable with excellent thermal conductivity and dielectric strength.
Advance Industrial's cast bronze nozzle heater bushings eliminate uneven temperature profiles and short heater life; their precision machining also eliminates poor fit and the need for clamping bands, while providing maximum heat transfer.
The built-in thermocouple in either Type J or K gives exceptional temperature control when connected to a TEC controller. The standard thermocouple has an ungrounded junction located in the center of the width, which helps eliminate stray EMFs caused by the heater. A grounded junction at the end is optional.
Gamma Series mini-coil heaters for hot runner tooling are constructed with the heating element tightly sandwiched between a nickel plated copper inner sleeve and a stainless steel outer sleeve. The differences in heat transfer characteristics of the sleeves direct the heat generated by the coil inward, toward the nozzle, increasing overall efficiency. The inner diameter of the assembly is very tightly controlled, allowing for a slip fit with no clamping required.
Coil Heaters are used in operations involving heating of cylindrical-shaped surfaces for temperatures up to 1800°F (982°C) where precise temperature control is essential. The design incorporates a built-in thermocouple, with a grounded junction terminating at the end of the cable opposite to the lead end. The built-in thermocouple and the overall low mass construction provide quick response for positive temperature control.
Advance Industrial's Mini-Coil Band Heaters are designed and manufactured under the tightest tolerances so that they may be used in hot runner/runnerless injection mold tooling with complete confidence on maintaining the manufacturer's original balanced heating when using a minimum of thermocouples and temperature control zones. Mini-Coil Band Heaters are available with two types of clamping.
The densely compacted MgO insulation used in Advance Industrial Pak heaters produces excellent thermal conductivity and dielectric strength. Advance Industrial Pak heaters are flexible and can be readily formed or bent by hand or production machinery, with the minimum bend radius equal to twice the sheath diameter. The heater sheath can be welded, brazed or soldered without changing its electrical characteristics.
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