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Watlow introduce Thermasleeve hot runner nozzle heater

Thermasleeve hot runner nozzle heater

Watlow  have introduced the Thermasleeve hot runner nozzle heater.

The Thermasleeve hot runner nozzle heater is a low profile, high-performance electric heater with rapid thermal response that allows the heat to be created precisely where it is needed.

Watlow's Thermasleeve hot runner nozzle heater was designed to have intimate contact with the surface of the nozzle, which optimises heat transfer.

This intimate contact combined with lower heater mass contributes to rapid thermal response to and from the nozzle tip. This helps reduce cycle times and ensures high quality final parts.

Watlow's heater manufacturing technology allows hot runner manufacturers to create precise temperature profiles beyond the limits of conventional heaters.

This is accomplished using Watlow's laser structuring, which creates a customised temperature profile within the Thermasleeve hot runner nozzle heater. The result is improved viscosity control within the nozzle, leading to increased yield, quality and shot-to-shot consistency.

Watlow's patented technology generates a repeatable thermal profile not only within a single batch but also from batch to batch, says Reiner Lehnert, business development manager.

Watlow's Thermasleeve hot runner nozzle heater is easily installed and removed from the nozzle with a custom installation and removal tool. The heater is self-clamping, which ensures the heater is secured into position during operation. This easy installation and removal reduces down time for mould maintenance and could allow a heater to be reused.

The Thermasleeve hot runner nozzle heater is also designed to accommodate a thermocouple secured to the external body of the heater. The Thermasleeve hot runner nozzle heater is slotted to accommodate commercially available, off-the-shelf, thermocouples. This may mean that a thermocouple groove does not need to be machined into the nozzle.

Even with all of these features, the Thermasleeve hot runner nozzle heater has a low profile. It offers high wattage in a smaller package.

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