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Hot nozzles

Hot nozzles are used in hot-channel forms at the ends of the systems.



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e-mail: sinkoplex@sinkoplex.pl
tel.: 62 591 30 11

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Application

Food industry 

Footwear industry

Furniture industry

Packaging industry

Plastic industry (molds)

Automotive industry (injection molding machines, molds)

Characteristics
    • Power: max. 25 W/cm2 (high power compared to a small area) *
    • Voltage: according to customer order*
    • Operating temp: 500oC*
    • Dimensions: according to the customer order*

     

    *The values (parameters) are examples and do not constitute an offer within the meaning of art. 66 of the Civil Code. Each heater is designed individually.
Technology

Advanced production technology and high quality materials allow to make special-purpose heaters. Their power and dimensions cannot be achieved in the standard production process.

Technological processes

Cutting the pipe

Winding the resistance wire

Backfilling the heating element

Welding the bottom covering the pipe

Rolling

Forming the heater

Sealing

Current connections

Design

Making a winding core

General structure
  • Hot nozzles are made of stainless steel AISI 304 and AISI 321 and beryllium bronze. Thanks to the applied production technology, they achieve high power in relation to the heating surface. The use of the highest quality materials ensures high precision and durability of the product. Subjecting the nozzles to appropriate technological processes guarantees a high operating temperature, and the additional use of a sensor allows to achieve a precisely defined temperature and protects the product against damage.

     

    Characteristics of the elements:

    Nickel-chromium resistance wire, properly compacted with high quality magnesium oxide;
    Current outlet in the form of a copper conductor in a PFA coating or a nickel conductor in a fiberglass braid;
    Possibility of installing a temperature sensor (type K thermocouple, type J thermocouple);
    Cold zones (non-heated) depending on the diameter of the heater (min. 30 mm from the wiring side).
Advantages and Benefits
    • Simple, compact design
    • Energy saving
    • Material saving
    • Balanced flow
    • No intensity in the molding
    • Good thermal insulation
    • Uniform temperature distribution
    • Quick start
    • No additional operations
    • Faster cycle
    • 100% integrity
    • Optimizing the heater load
    • Optimized mold surface temperature
    • Less need for mold cooling
    • Less maintenance needed
    • Fully assembled system
    • No thermal expansion
Possibility of regeneration of damaged nozzles

We regenerate all types of hot nozzles.

Examples of types of hot nozzles


Current outputs

- PTFE sheathed cables





- Fiberglass braided cables





- Wires in fiberglass sheath





- Wires in the pipe





- Steel braided cables



Temperature sensors

In coil heaters it is possible to use a temperature sensor:

  • type J thermocouple  (up to 650°C)
  • type K thermocouple (up to 1000°C)




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