Dynamic temperature control system DMH

Product overviewDMH (Dynamic Mold Heating) is a variothermal mold temperature-control process that intensely heats the mold wall before injection and rapidly cools it after filling. One or both mold halves can be temperature-controlled depending on process requirements. DMH enables single-shot production of parts with improved surface quality and enhanced material properties.BenefitsReduction or elimination of common injection-molding defects (e.g. flow lines, weld lines)Enables advanced surface finishes and new design texturesPotential material savings and optimized cycle timesCustomized heating processesA range of heating methods is available for DMH; cooling is typically achieved with water. Selection depends on part size, geometry and target temperatures.Inductive systemsVery fast heatingTemperature capability up to 400°CSupports 3D contours and multiple cavitiesSingle-sided or double-sided cavity heatingBest for small to medium componentsPartner: Roctool with HDplasticsElectric heating systemsFast local heatingOptimized for 2D shape geometriesLocal area heating for targeted zonesTypically one-sided cavity heatingSuitable for small componentsOffered by multiple manufacturersWater / water solutionSlow to moderate heating speedTemperature range up to 120°CCapable of 3D shape heating depending on designUsually single-sided cavity heatingSuitable for small to medium componentsAvailable from various suppliersSteam / waterModerate heating timeTemperature capability up to 180°C3D contours possible depending on toolingUsually single-sided cavity heatingSuitable for medium to large componentsAvailable from various suppliersTechnical specificationsProcess name: Dynamic Mold Heating (DMH)Heating options: inductive (fast, up to 400°C), electric (fast, 2D), water (up to 120°C), steam/water (up to 180°C)Heating geometry: 2D and 3D contour capability depending on systemCavity heating: single-sided or double-sided depending on setupComponent size: ranges from small to large depending on heating system selectedTypical cooling medium: waterApplications: high-quality surface finishes, improved part properties, reduction of injection-molding defectsIntegration: can be combined with temperature control on one or both mold halves