Hot nozzles

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

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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: 500^oC*
- 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