moulds | Update Smart colour changeovers


Hot runner manufacturer Polyflow introduced its latest Smart Series range of manifolds and nozzles at the Chinaplas show in Shanghai in April. Designed to eliminate dead spots in the melt flow path and speed up colour changes, Smart Series hot runners feature a balanced melt flow with an optimised melt channel layout that minimises hanging-up during purging. Careful selection of melt channel diameters and heater placement also helps maintain a uniform tempera- ture profile and reduce thermal exposure of the resin. A system is in operation


Heavy duty mould handling


US-based Die-Sep has announced two new additions to its range of mould handling products – a new high capacity mould tipping unit and a water leak testing system. The new Die-Sep Tipper


features a scalable design allowing it to handle moulds weighing up to 10,000lbs (4,500kg). Die-Sep units incorporate magnetic platens to simplify mould handling. The water leak tester


can be configured to test up to 12 individual circuits. It can be delivered with or without a water pump. ❙ www.diesep.com


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Hasco’s Z1692 two-stage ejector provides a simple solution for demoulding parts with complex undercuts or for activating stripper plates. The force-controlled,


low-play units are designed for central installation and allow two completely independent stroke distances to be defined. Three standard sizes are available, offering a maximum stroke of up to 180mm. A


INJECTION WORLD | June 2014


special version with pre-set strokes is also available. All functional surfaces are finished with a DLC coating. This provides a hard surface with outstanding slip proper- ties. It reduces abrasion and eliminates the need for lubrication, reducing mainte- nance requirements and allowing safe use in applica- tions such as medical. ❙ www.hasco.com


says typical changeover times, including machine cleaning, are around 15-30 minutes. The Smart Series hot runner manifold range includes standard designs for up to 16-cavities, with tailor-made options available for up to 64-cavities. A full range of open and


valve-gated nozzles and high performance


temperature controllers


with a Chinese customer producing stationery parts in PS in transparent yellow, blue and green on an 8-cavity single face tool, where Polyflow says colour changes are being achieved in ‘a few shots’.


It


completes the product line. Polyflow can supply its Smart Series as an assembled manifold for integration by the customer or as a complete hot half. ❙ www.polyflow.net


Two-stage ejector unit in brief


❙ DME has set up a sales and service capability within Mila- cron’s High Impact Technol- ogy Centre at Querétaro in Mexico. The facility has been stocked with the most popular DME products and a wide selection of frequently requested replacement parts. It also has training rooms to provide technical support to local customers. “As plastics companies in Mexico take on more complex applications and challenging demands, they’re looking for more support than ever from their suppliers,” says Dave Lange, DME director of sales for the Americas. www.dme.net


❙ Hot runner maker Fast Heat has launched a new on-line system to simplify purchas- ing of new or replacement cables and connectors. Using its Custom Cable and Connector Builder tool, users of Fast Heat or other hot runner brands can quickly find, combine and order the precise cable configuration they require. The system also allows configurations to be saved online for future purchases. www.fastheat.com


❙ Austrian mould components maker Meusburger has published its new catalogue. The 565-page publication lists more than 14,000 standard mould components, including some 1,100 new E-Accesso- ries. These include a range of through-hardened ejector pins with DLC coatings and an extended line of slide units. www.meusburger.com


www.injectionworld.com


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