Cast Alu Heating Plate For Hot Foil Embossing Press
Product Details
Jaye Heater Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of cast alu heating plate for hot foil embossing press in China, also supports custom service. Welcome to wholesale high quality cast alu heating plate for hot foil embossing press at competitive price from our factory.
Construction
A cast-in plate is made by:
- Placing electric resistance heating elements (usually stainless-steel sheathed heaters) inside a mold
- Pouring molten aluminum around them
- Letting it solidify into a single, solid block
How It Generates Heat
The embedded heating elements work on electrical resistance heating:
- Electricity flows through the internal resistance wire.
- The wire resists the current.
- Resistance generates heat (Joule heating).
- Heat transfers into the aluminum body.
- Aluminum spreads the heat evenly across the plate surface
Specification of Cast-in Aluminium Heating Plate:
| Parameter | Specification |
|---|---|
| Application | Hot Foil Embossing Press |
| Plate Type | Cast-in Aluminium Heating Plate |
| Base Material | High-grade Cast Aluminium Alloy |
| Heating Element Type | Stainless Steel Sheathed Tubular Heaters (Cast-in type) |
| Voltage Rating | as required |
| Power Rating | depending on size |
| Watt Density | 3 – 6 W/cm² |
| Temperature Control | PID Controller with Thermocouple (K-type / J-type) |
| Surface Finish | CNC Machined, Ground Surface |
| Plate Thickness | Customized |
| Size (L × W) | As per machine requirement |
| Heating Zones | Single / Multi-zone |
| Sensor Holes | Provision for Thermocouple / RTD |
| Mounting | Threaded holes / Through holes |
| Insulation | High-temperature mineral insulation |
| Terminal Box | MS / Aluminium terminal enclosure |
| Safety Features | Over-temperature cut-off (optional) |
Why Aluminum Is Used
Aluminum is ideal because it:
- Heats up quickly
- Distributes heat uniformly
- Is lightweight compared to steel
- Minimizes hot spots (critical for foil transfer quality)
Uniform temperature ensures:
- Clean foil release
- Sharp embossing detail
- No patchy or incomplete stamping
In a Hot Foil Embossing Press
In machines like those made by manufacturers such as KURZ or BOBST, the cast-in heating plate:
- Mounts behind the brass or magnesium embossing die.
- Heats the die uniformly.
- The press applies pressure.
- Heat + pressure activates adhesive layer on the foil.
- Foil bonds to the substrate surface.
Why It's Better Than Surface Heaters
Compared to mica or strip heaters bolted onto plates:
- No air gaps
- Better heat transfer
- More uniform embossing results
- Longer service life
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