Adjustable Speed Triple Indenter Radiator Core Builder Machine | Semi-Automatic 2-Row Aluminum Core Assembly Equipment Product Overview The Adjustable Speed Triple Indenter Radiator Core Builder Machine is a semi-automatic solution designed for efficient assembly of 2-row aluminum radiator cores . Featuring three indenters, adjustable running speed, and a 6–8 cylinder configuration, it provides stable and repeatable core assembly for radiator manufacturing. A typical core can