Скачать или смотреть Forging a Giant Steel Nut from a Red-Hot Billet with a Power Press.

😊 Welcome to the HC Work channel.

​Forging a Giant Steel Nut: Power Press Mastery over Red-Hot Billets
​When mechanical components reach massive scales, casting lacks the necessary structural integrity. Hot forging is the definitive method to ensure the nut's threads can withstand thousands of tons of tension.
​1. Billet Heating and Upsetting
The cylindrical steel billet is heated in an industrial furnace to approximately 1,150^{\circ}C. At this "near-plastic" state, the steel is malleable yet retains its structural bond. Under the power press, the first step is "upsetting"—compressing the height of the billet to expand its diameter, creating the basic thick-disk blank for the nut.
​2. Center Piercing and Hexagonal Shaping
Instead of drilling out material, the power press utilizes a massive punch to pierce the center of the glowing billet. This action displaces the steel outward, compressing the grain flow and making the walls of the nut exceptionally dense. The blank is then forced into a hexagonal die to shape the exterior flats—the contact points for gargantuan industrial wrenches.
​3. Controlled Cooling and Superior Integrity
Upon leaving the press, the nut undergoes controlled cooling. The forging process eliminates internal voids and gas pockets. The metallic grain flow is forced into a continuous circular orientation around the hole, creating a mechanical "shield" capable of resisting fractures even under the extreme vibratory stresses of bridges or offshore oil rigs. #MetalForging #worker