To overcome the temperature sensitivities of optical materials like PC, PMMA, and cycloolefin copolymers, a new hot runner system eliminates local overheating of material and long residence times. The ...
A modular mini hot runner system designed for direct-gating of small and micromolded parts weighing as little as .01g was introduced by Hasco (Arden, NC). Minimum cluster spacing for this naturally ...
Cycle time is the primary cost measure of the molding process, and cooling represents about 80% of the molding cycle (see Figure 1). The thicker the part, the longer the cycle time. However, the ...
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