Discover how heavy-duty brake drums are manufactured from recycled cast iron! In this detailed factory tour, you’ll see the complete process — from melting scrap metal, casting in sand moulds, solidifying, machining, balancing, and final quality control. Brake drums play a crucial role in vehicle safety, and this video reveals how old cast iron is transformed into strong, heat-resistant braking components used in trucks, tractors, buses, and commercial vehicles.br br Watch the step-by-step foundry process including furnace melting, pouring molten iron, sand casting, cleaning, machining, and finishing.