COLD RUNNER BLOCK (CRB)
Categorised in: Supply systems
Cold Runner Block – Open System – Regulators – Quick release
A thermo-regulated block that permits the compound to be kept at a pre-curing temperature prior to being forcibly injected into the mould, close to the cavity. Elimination of “runners” as with a standard mould, and considerable reduction of scorching. Advantages: Considerable reduction of waste, reduction of cycle time, better productivity. Multiple interchange of moulds. Elimination of runners, and possible compound scorching. Open System: Permits easier more homogeneous compound flow – Facilitated compound change – Calculated waste – No purging – Fast removal of erroneous cured compound within. Regulators: Compound flow balance / regulation – Nozzle closure different mould adaptation Quick Release: Immediate release of heating plate and mould from the main Cold Runner Block body – Prevention of heat transfer from heating platen 200°C to nozzles 70°C when shutting down the press – Easy access to nozzles.