The efficiency and life expectancy of a cartridge heater depends mainly on the fit tolerance. Cartridge heaters are typically manufactured .003" to .005" smaller than the nominal diameter. Drilled holes are typically. 001 to. 003 larger than the nominal diameter. Inserting a cartridge heater with a nominal minus of .005" into a drilled hole with a nominal plus of .003" results in a fit tolerance of .008". Although a tighter fit is desirable to efficiently transfer heat and to get long heater life, a looser fit will help in installing and removing long heaters.
The split sheath design has a continuous heating coil which eliminates the cold spots which can occur at core junctions in ceramic core heaters. Uniform sheath temperature is vital when molding heat-sensitive plastics where the temperature window between gate freeze-off and material degradation is very narrow. By varying the watt-density, the temperature profile may be customized to specific requirements. For example, applications requiring higher temperatures at the tip can be accomplished with split sheath heaters but not with conventional cartridge heaters.
Flange Split Sheath Immersion Cartridge Heater Structure diagram:
Product show
Terminal Types
The standard termination is Type A, which comprises two straight exit glass fibre leads. The most common termination types are shown below with a full listing available on our cartridge heater data sheet. All terminal types can be fitted straight or at 90⁰ to the heater.
1. Glassfibre leads
2. Silicon rubber leads
3. PTFE leads
4. Stud terminals
5. Mounted plugs
6. Silicon rubber cables
7. Flexible conduit
8. Armour wire braid
9. Terminal boxes
10. Nickel pins
11. Heat resistant sleeving
12. Fish-spine beaded leads
Product Name | Stainless steel cartridge heater |
Material | Stainless steel, high purity MgO powder and Cr20Ni80 heating wire |
Voltage | 12V,24V,120V, 220V, 230V, 240V, etc. |
Power | 20W,40W,100W,500W,1000W,customised |
Length of heating wire | 50~2000mm,customised |
Range of application | Plastic processing machinery, mould and dies, hot stamping, shoe machinery, food processing machinery, packing equipment |
Thermocouple | K or J can be attached |
OEM,ODM | Available |
Application
Process and test room
Packing and ship case
Why Choose us?
1. With R&D department, We can do OEM&ODM orders.
2. Own factory, price can be the lowest during the heating element market.
3. We produce products by ourself, so we can ensure the product quality, package details and delivery time.
4. Our factory local in Shenzhen.
5. For samples, we can delivery 3-7 days.
For bulk order, we can ship it within 7-30 working days.
FAQ
1. Q: Is small quantity available?
A: Yes, small quantity for trial order is available.
2. Q: How can I contact with you?
A: Leave a message on our website or sent an email to us , or call +86 15013695186 directly, we will reply you ASAP.
3. Q: How is the next ?
A: We will send the cost to you and get your confirmations for the quote;
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