Husky’s newest hot runner for medical/auto parts


Machinery and hot runner supplier Husky Injection Molding Systems has commercially released its Ultra SideGate Inline hot runner technology, which it will show at the upcoming Fakuma show in Germany from 17-21 October. The hot runner was designed and optimised for challenging applications with high-balance requirements such as long, thin parts and is ideal for part spacing as low as 18 mm. By taking advantage of the optional individual tip control technology, moulders can ensure that their challenging applications have the best part quality possible. Husky says the new Inline option provides all of the same benefits and features of its standard Ultra SideGate, which allows for high cavity moulds with a small footprint, reducing cost while providing outstanding gate quality and offering mould makers added design flexibility.

“Hot runners are the most critical component in the injection moulding process. This is why we are so focused on improving hot runner design and performance while also finding ways to help customers reduce their cost. Ultra SideGate Inline is another example of an innovation that accomplishes this goal,” said Stefano Mirti, Husky’s President of Hot Runners and Controllers. “This new technology provides the same superior part quality, speed and efficiency that our customers have grown accustomed to with the added benefit of tighter part spacing.”

By direct-gating parts with Ultra SideGate, Husky says moulders can achieve significant resin savings, faster cycle times and better performance across a wider temperature range. In addition, the technology allows direct access to the individual tips without needing to remove the mould from the injection moulding machine, saving moulders time on maintenance.

Other benefits include gate quality leaving virtually no vestige on finished parts (~0.05mm vestige), according to Husky. By allowing for the use of a single-piece cavity in the design of the mould, the quality issues that often accompany split cavity designs are avoided, such as flash on finished parts that can occur if the cavities are misaligned. This is particularly critical in the medical industry where safety is paramount and sharp edges can be detrimental. Ultra SideGate Inline is also ideal for complex applications that require technical resins such as automotive connectors.

Another benefit is that it is simple to install and easy to maintain. Nozzle tips are mounted separately from the nozzle housing into one-piece cavity inserts before hot half assembly. This approach eliminates the impact of thermal expansion on tip position which can impact balance and gate quality.

In order to minimise footprint to allow for maximum number of mould cavities in the smallest mould, Ultra SideGate offers pitch spacing down to 18 mm. It also includes Husky’s patented UltraSeal technology with three-year leak-proof guarantee. As with all Husky hot runners it performs consistently with a wide variety of challenging resins.


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