HIGH WATT DENSITY
3mm X 25mm Cartridge Heater
3mm X 25mm Cartridge Heater by LICHENGDA. Bore fit and conductive heat transfer, configuration details and made-to-drawing quotation for molds, dies and conductive tooling.
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PRODUCT ENGINEERING
Bore fit and conductive heat transfer
3mm X 25mm Cartridge Heater: Install the active sheath in a close-fitting, clean bore. Specify bore diameter, tolerance and heated length together; excessive clearance increases sheath temperature and slows heat transfer.
Record the lead exit, cold end and removal access before the tool is machined. Locate the control sensor near the heated zone without placing it directly against the resistance element.
For 3mm X 25mm Cartridge Heater, use the listed 3mm, 25mm as catalog identifiers and confirm the complete electrical and dimensional combination before calculating current, selecting a supply or fixing the mounting pattern.
The archived configuration for 3mm X 25mm Cartridge Heater lists Resistance heating wire: NiCr 80/20 wire; Length tolerance: ± 1 mm; Diameter tolerance: ± 0.02mm. Treat these as reference options and reconcile them with the named configuration and installation drawing before quotation.
For 3mm X 25mm Cartridge Heater, send the supply, continuous and peak temperature, mounting drawing, lead exit and quantity. Include the heated medium and control method so the quoted configuration can be checked against the actual duty.
| Catalog name values | 3mm · 25mm |
|---|
Application and reference configuration
Molds, dies and conductive tooling. The final suitability of 3mm X 25mm Cartridge Heater depends on the assembled equipment and agreed operating conditions.
Archived figures below describe reference options or a product series. Confirm the exact model specification in the quotation.
| 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 |
ARCHIVED PRODUCT INFORMATION
Description
Features
* Long lifespan, Using high-purity magnesium mandrel and magnesium power for filling, high thermal conductivity.
* Using Centerless Machine to standardize Diameter, high thermal efficiency, fast heat dissipation.
* Advanced technology and equipment make the quality good and stable.
| 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 |
Internal wiring port section of the heating tube does not adopt the terminal connection mode, Making it havhigh temperature resistance and strong mechanical properties. The port part of the heating tube adopts terminal connection mode Is resistant to high temperature and works in the heating medium which can not conduct wiring at both ends.
Application
· Injection moulding - Internal heating of nozzles
· Hot runner systems - Heating of manifolds
· Packaging industry - Heating of cutting bars
· Packaging industry - Heating of hot stamps
· Laboratories - Heating of analytical equipment
· Medical: Dialysis, Sterilization, Blood Analyzer, Nebulizer, Blood/Fluid Warmer, Temperature Therapy
· Telecommunications: Deicing, Enclosure Heater
· Transportation: Oil/Block Heater, Aircraft Coffee Pot Heaters,
· Food Service: Steamers, Dish Washers,
· Industrial: Packaging Equipment, Hole Punches, Hot Stamp.
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.
Company profile
1. Qucik Response:Your inquiry will be replied within 24 hours. Response Rate over 90%
2. Smooth Communication: Well-trained and experienced staffs to answer all your inquires.
3. Sincere Service Attitude: Treat Customers As Friends. No Questions are Neglected.
4. OEM Accepted: Free Sample,We can customize your products to meet all your different requests.
5. Small MOQ: Small Amount wholesales are supported to meet your needs as well as large demands.
6. Fast Delivery: We have Reliable Forwarders with long term cooperation and Competitive Price.
You may contact any one of our sales and services team: email to us as inquiry.
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Specifications and availability vary by configuration. Confirm dimensions, materials and electrical or measurement ratings in your quotation.
ENGINEER-REVIEWED QUOTATION