The cast in heaters are composed of one or more electrical heating elements embedded in an aluminum alloy, brass, bronze, copper-nickel or iron type material with excellent thermal conductivity.
The gravity casting provides excellent homogeneity of the casting material and therefore allows excellent thermal diffusion. The regularity of the surface temperature is ensured by a suitable forming. The cast heating elements can be used to surface temperatures up to 750 ° C.
Air-cooled cast-in heaters operate with less maintenance and longer life than liquid-cooled cast-in heaters.
Cast heaters have usually a longer heater life than other heaters, but the investment costs are typically higher. For testing purposes, a cost efficient sand mold can be used to produce the first couple heaters.
Specification
|
Material |
Aluminum, brass, bronze or cupronickel alloy |
|
Max Watt density |
20 w/cm²on the heating element |
|
Voltages available |
120V, 240V, 380V, 450V, others available on request. |
|
Wattage Tolerance |
+5%, -10% |
|
Resistance tolerance |
+10%, -5% |
|
Max operating temperature |
760 oC (1400 oF) |
|
Leakage current |
<0.5MA |
|
Insulation resistance |
> 2MΩ |
|
Grounding resistance |
<0.1Ω |
|
The condition of usage |
Temperature -20 ℃ ~ + 60 ℃; relative humidity<80% |
Application
• Vacuum forming
• Pressure assist forming
• Drape and press forming
• Barrel and sprue bushing heating
• Hopper heating
• Manifold heating
• Hot runner systems
Order Guider
1. Inside diameter
2. Thickness
3. Width of heater
4. Termination positions
5. Termination type
6. Air/Water cooled
7. Wattage and Voltage
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Process and test show
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Packing and shipment show
Why choose US?
1. Bureau veritas audited supplier
2. Strict confidentiality for customers
3. Have a strong product development capabilities!
4. We have Longterm cooperation forwarders to ensure the quick and safe shipment, avoid goods delay and extra cost.
5. Solve problems for customers in time
6. Good Payment terms and Reasonable price
7. Excellent after-sales service and feedback
8. Potential problems in product handling
9. We can provide installation video and instructions.
FAQ
1. Q: How long is the lead time?
A: For large quantity orders, products will depart from Shenzhen within 7-30 days after the deposit received.
2. Q: How do you ship the goods and how long does it take to arrive?
A: Airline and sea shipping also optional. Shipping time depends on distance.
3. Q: How can I get a sample to check your quality?
A: After price is confirmed, you can require samples to check our quality. Free for existing samples ,but you need to paid the express freight. For sample making, we will charge a sample fee. Sample fee will be confirmed according to the products' craftwork.
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