Cast Aluminum Band Heater is an industrial heating element mainly used for barrel heating in plastic extrusion equipment. The heating element is cast into an aluminum alloy body, allowing heat to transfer quickly and evenly to the barrel surface for stable temperature control. Compared with traditional band heaters, cast aluminum heaters offer better heat transfer, uniform heating, and longer service life. They are widely used in extrusion machines, injection molding machines, and other industrial equipment requiring continuous heating. Custom designs are available based on size, voltage, wattage, and cooling requirements.
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Cast Aluminum Band Heater is an industrial heating element mainly used for barrel heating in plastic extrusion equipment. The heating element is cast into an aluminum alloy body, allowing heat to transfer quickly and evenly to the barrel surface for stable temperature control.
Compared with traditional band heaters, cast aluminum heaters offer better heat transfer, uniform heating, and longer service life. They are widely used in extrusion machines, injection molding machines, and other industrial equipment requiring continuous heating. Custom designs are available based on size, voltage, wattage, and cooling requirements.
| Heater name | Cast Aluminum Ring Heater |
| Voltage | 110V / 220V / 380V or customized |
| Operating Temperature | Approx. 350–400℃ max. |
| Heater Width | 20mm, 30mm, 60mm, 110mm can be customized. |
| Color | Silver gray aluminum finish, Gold, Red |
| Wattage | Customized according to equipment |
Why are cast aluminum heaters suitable for plastic extrusion machines?
Plastic extrusion requires stable and continuous heating. The aluminum alloy body provides excellent thermal conductivity, allowing uniform heating of the barrel and improving process stability.
Are cooling systems available?
Yes. Air-cooled and liquid-cooled designs are available for applications requiring accurate temperature control during extrusion processing.
What are the advantages compared with mica band heaters?
Cast aluminum heaters provide better heat transfer, more uniform temperature distribution, and stronger mechanical durability, making them suitable for continuous industrial operation.
What causes heater failure?
Common causes include poor contact with the barrel, overheating, incorrect voltage, temperature controller problems, or harsh operating conditions.
1. Extruder Barrel Heating
Common equipment:
Functions:
2. Twin Screw Extruders
Used for:
3. Extrusion Die Heads
Used to maintain die temperature and improve:
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