Servo-driven hot runner system HRS Flow takes milestone in global sale of hot runner system

Editor: MA Alexander Stark

Italy — A steadily growing number of injection moulding companies are using HRS Flow's hot runner technology. First introduced at K 2013, their servo-driven valve gate system has since been a powerful driver of growth for the hot runner specialist.

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Introduced in 2013, HRS Flow’s servo-driven hot runner systems have now passed the 1000 mark.
Introduced in 2013, HRS Flow’s servo-driven hot runner systems have now passed the 1000 mark.
(Source: HRS Flow)

The number of HRS Flow's servo-driven hot runner system sold around the globe has passed the 1000 mark. The wide range of applications includes automotive engineering with lighting, interior, exterior and under-the-hood applications, increasingly also electrically driven vehicles, as well as logistics and environmental, household and gardening.

The company recently launched Flex Flow Evo, a new generation technology that features reduced space requirements (cutouts) in the mould thanks to optimized geometry. In addition, melt pressure and flow rate can be adjusted even more easily thanks to the flexible control system, the manufacturer states, adding that the system produces perfect part surfaces, even in sensitive applications such as film back-moulding.

The company has produced the third generation mould for the simultaneous production of elements of the interior door trim of motor vehicles. According to the company, it shows how the filling process can be perfectly balanced and warpage largely controlled despite very different molded part sizes, something that has often been problematic with family molds. At the same time, it demonstrated that the flow rate, which can be set independently and precisely for each cavity, reliably prevents overfeeding and flash formation. HRS Flow makes the three demonstrator moulds available to customers for trials, material tests and training at the company's headquarters in San Polo di Piave/Italy, at the plant in Hangzhou/China or at the plant in Grand Rapids, Michigan/USA.

Maurizio Bazzo, President of HRSflow, comments: ”Today’s automotive manufacturing environment is experiencing a transition phase towards a new direction: design complexity, e-car development, lightweighting and digitized driving. At the same time Tier 1 suppliers and OEMs are looking for overall cost saving processes. To obtain the next-generation high quality parts and to reduce scrap rate the market will need increasingly flexible flow control for part molding optimization. HRSflow is ready to face this new challenge.”

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