Unboxing NICE New Shop Tool 🇺🇲MADE IN USA🇺🇲 Dake 150-ton Hydraulic Press #fabrication #tools #metal

This video details a failed attempt at stamping a firearm component using a 120-ton hydraulic press. Mark Serbu, owner of Serbu Firearms, highlights the critical importance of precise material alignment and die design in sheet metal stamping. The demonstration showcases common pitfalls, such as misalignment leading to skewed parts, and the challenges of achieving complex bends with simple dies. Serbu emphasizes that learning from failures is integral to the engineering process.

This video details the process of repairing a chopped receiver section from a Star Z70 parts kit. Mark Serbu, a gun designer, demonstrates how to fabricate and weld in replacement metal to restore the structural integrity and form of the receiver. He emphasizes using an expanding mandrel for alignment and copper flashing to protect against welding spatter, while also discussing techniques to minimize heat distortion and achieve a functional repair using 'caveman tools' and optional CNC machining.

This video demonstrates the deconstruction of a 40mm L/70 HE-PFPX M822 anti-aircraft round using a hydraulic press. The process reveals the projectile's internal structure, highlighting the tungsten sphere fragmentation matrix, epoxy filler, cast Octol explosive, and the M766 proximity fuze. The expert presenter, with high authority signals including access to specialized equipment and technical schematics, provides a clinical and demonstrative explanation of the ammunition's components.

Mark Serbu demonstrates the process of designing and fabricating sheet metal dies to stamp firearm components, inspired by the WWII-era Sturmgever. He details the challenges of die creation, including machining and heat treatment, and showcases the successful stamping of a component using a 200-ton hydraulic press. The video highlights the potential for efficient manufacturing through stamping compared to traditional CNC machining of aluminum.

This video demonstrates a gunsmithing technique for repairing a damaged or incorrectly machined extractor slot using TIG welding. The instructor emphasizes building up the material higher than needed and then reshaping it through machining or filing. The process highlights the flexibility of welding for correcting errors in firearm components.

This video demonstrates a basic TIG welding technique for filling a groove, drawing parallels to gas welding. The instructor emphasizes using an electric arc and a feed rod, comparing the TIG torch to a gas torch. The process involves initial filling, inspection, and optional finishing with a smaller rod, followed by material removal with a grinder. The instructor prefers golfing gloves for better feel during welding.

This review provides a detailed look at the Finnish L-39 Lahti anti-tank rifle, nicknamed 'Norsupyssy'. The video demonstrates its operation, including loading the 10-round magazine with 20x138mmB cartridges, charging the heavy bolt, and adjusting the specialized sights. Live fire showcases the rifle's significant muzzle blast, recoil, and gas-operated cycling, highlighting its role as a formidable anti-armor weapon from WWII. The instruction comes from an experienced individual knowledgeable in handling rare heavy ordnance.

This guide details the operation and firing of the 127-year-old U.S. Army 3.2-inch Model 1897 Field Gun. It covers essential steps from carriage preparation and barrel elevation to breech operation, projectile loading, and firing. The demonstration emphasizes proper handling of historical mechanical systems and period-accurate projectiles, showcasing the gun's recoil and smoke production. Instruction is provided by an expert with high authority in historical ordnance.

This video demonstrates the expert opening of a sealed 'spam can' containing 20mm M18A3 drill cartridges, manufactured in March 1950. The presenter, exhibiting high authority and expertise in handling vintage military surplus, utilizes the can's integrated opener. The process highlights the inspection of headstamps and the important safety warning found inside the container regarding its use for food storage.

This video demonstrates the basic operation of a Soviet 82mm mortar. The footage, from a professional with high authority and expertise signals like safe handling and proper PPE use, shows the process of loading an 82mm round into the muzzle and its subsequent firing upon impact with the firing pin. The visual evidence confirms the detonation of the round at the target area, illustrating its kinetic and explosive effects.