Customization: | Available |
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Certification: | RoHS, ISO9001, CE |
Type: | Cartridge Heater |
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Resistance heating wire | NiCr 80/20 wire |
Wattage Tolerance | +5%, -10% |
Resistance tolerance | +10%, -5% |
Length tolerance | ±1 mm |
Diameter tolerance | -0.02mm |
Standard Cold Zone | 5-10mm |
Insulation resistance (cold) | ≥ 500 MΩ |
Maximum leakage current (cold) | ≤ 0.5 mA |
Thermocouple Location | type J / K / Ground wire |
Cartridge heaters are a type of electric heating element that are commonly used in industrial settings to provide localized heating in machinery and equipment. Here are the basic steps involved in manufacturing cartridge heaters:
Core wire selection: The core wire is the heating element of the cartridge heater and is usually made of nickel-chromium or iron-chromium alloys. The wire is selected based on the required wattage and operating temperature of the cartridge heater.
Coil winding: The core wire is wound around a ceramic or metallic core to create the heating element. The number of turns and the diameter of the wire are determined based on the desired electrical resistance and watt density of the heater.
Core assembly: The heating element is inserted into a metal sheath, which is usually made of stainless steel or Incoloy. The ends of the core wire are welded or crimped to lead wires that will provide power to the heater.
Sealing and insulation: The ends of the metal sheath are sealed with ceramic or epoxy material to prevent moisture and contaminants from entering the heater. The entire assembly is then insulated with magnesium oxide powder to improve heat transfer and electrical insulation.
Finishing: The cartridge heater is cut to the required length and the lead wires are attached to terminal blocks or connectors. The heater may be coated with a protective layer to resist corrosion or abrasion.
Testing: The finished cartridge heater is tested to ensure that it meets the required specifications for electrical resistance, wattage, and insulation resistance.
Manufacturing cartridge heaters requires specialized equipment and expertise in electrical engineering and metalworking. It is important to follow safety procedures and quality control measures to ensure that the heaters are reliable and safe for use in industrial applications.
Advantage
1:Wire material: AWG26 silicone cable and Glass fiber wire
2:High quality 304 stainless steel, Probe length 20mm
3:Wire material: AWG26 silicone cable and Glass fiber wire
4:Molex connector
Function: