MoldMaking Technology

JUL 2018

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Mold Materials Hot Runners 42 MoldMaking Technology —— JULY 2018 Gating Solutions Increase Productivity and Eliminate Cold Runners Husky Injection Molding Systems offers the Ultra Helix valve gate, which Husky says the Ultra Helix valve gate will last as long as the other parts of the mold. The Ultra Helix valve gates can last for millions of cycles, which increases productivity and lowers cost. Husky says that when combining the Ultra Helix valve gate with the Ultra Sync-E hot runner and Altanium control- ler, customers have achieved more than 15 million cycles without the need for gate or nozzle maintenance. And, with the Ultra Helix, it is possible to replace a nozzle tip without having to repair or change the cavity. Husky's Ultra SideGate technology is designed to eliminate cold runners. Husky says that the Ultra SideGate eliminates complex assembly steps that, if done incorrectly, can lead to plastic leakage. Additionally, the Ultra SideGate does not require any software and procedures that are usually associated with side gates. With Husky's new Ultra SideGate Inline, it is now possible for users to control the temperature at each tip. Husky Injection Molding Systems / 802-859-8000 / husky.ca Controller Has Touch Screen for Quick Information Access Orycon Hot Runner System T-500 Hot Runner Controller architecture is based on cards of six zones each. Orycon says that a touch screen with fast response, high-resolution graphics provides an intuitive operator interface. A zoom screen provides access to detailed information for each individual zone, including amp draw, percentage of power being used, set point and actual temperature, plus any existing alarm condition. The zoom screen enables quick changes like switching operating mode or set point or turning the zone on and off. The display has a setting to show cavities in the oval and manifold zones in rectangular-shaped windows. Orycon says this gives the operator a first glance indication of the zone function that is easy for the eyes to spot. A set-up screen provides setting choices for J or K thermocouples, the length of warm-up time, the maximum settable temperature, the boost time, the decrease in temperature when the unit is in the park mode and the tem- perature in Celsius or Fahrenheit format. The user can also field calibrate the unit by following a simple procedure so as to meet ISO or other regulation requirements. Communications with the press are standard and the user can predetermine response to press alarms or hot runner anomalies at set-up. Response options include turning on a stack light, sounding a horn or turning off a single zone or the entire controller. Orycon Hot Runner Systems / 732-922-2400 / orycon.com Manifold Hot Runner System Caters to Special Gating Requirements MHS - Mold Hotrunner Solutions offers new Contour manifold hot runner systems that provide injection mold designers the abil- ity to place gates at any angle for plas- tic parts with curves or special gating requirements. At the core of this new technology is the Rheo-Pro Swing Lock, a fully adjust- able mechanism that allows each nozzle to securely engage the hot runner manifold at any angle. In combination with new cooling-free Black Box valve gate technology, Contour hot runners offer a solution for angled gating appli- cations such as contoured automotive plastic parts. The system enables perpendicular melt injection into the curved surface of a cavity for uniform cooling around the gate area for high-quality gating results. The hot runner manifolds also stay flat, which the company says eases mold integration. The valve gate systems are available with gate diameters from 2–6 mm and melt channels ranging from 10–22 mm. MHS - Mold Hotrunner Solutions / 905-873-1954 / mhs-hotrunners.com

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