An automotive lamp mold is designed to produce plastic housings and lenses for vehicle lighting. This automotive lamp mold requires tight dimensional tolerances to ensure proper beam focus. The core and cavity of an automotive lamp mold are machined from pre‑hardened steel like P20 or H13.
Cooling channels in an automotive lamp mold are placed close to the optical surface to prevent sink marks. A hot runner system on an automotive lamp mold reduces material waste and cycle time. The gate location on an automotive lamp mold is chosen to avoid visible flow lines on the lens.
Automotive lamp molds for LED headlamps need precise reflectors with a mirror‑like finish. The ejector pins of an automotive lamp mold are positioned in non‑cosmetic areas. A sliding core in an automotive lamp mold forms undercuts for lamp assembly clips.
The surface of an automotive lamp mold is polished to a SPI A1 finish for clear optics. Many automotive lamp molds use a 3‑plate design for pinpoint gating. The parting line of an automotive lamp mold is often stepped to accommodate complex 3D shapes.
An automotive lamp mold with a 1‑cavity layout produces one lamp housing per shot. The venting depth on an automotive lamp mold is critical to avoid burn marks on the lens. Automotive lamp molds are tested with transparent resin to verify optical clarity. A well‑built automotive lamp mold produces distortion‑free lighting components for vehicles.
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