https://peertube.dngr.us/videos/watch/12103ca9-4138-41a7-9f58-4ea26607c09a Support Our Channel : https://www.patreon.com/PeriscopeFilm Made by the Ladish Forging Company in the 1960s, this industrial film "Forgings Mark Missile Progress" shows the company's forging process and the contributions the company made to developing pressure vessels for use on board U.S. missiles and rockets. The die-forged closures with integral outlets, with a body of rolled seamless rings, produced a highly dependable missile body. Ladish remains a leading producer of highly engineered, technically advanced components for the jet engine, aerospace and general industrial markets. The film discusses the challenges involved in developing reliable and durable rocket motor cases, focusing on the need for thin-walled, high-strength pressure vessels that are both lightweight and strong. Through extensive testing, various design iterations were explored, including the use of seamless rolled rings and die-forged closures with integral outlets, which ultimately proved to be the most effective solution. The importance of using high-quality steel, specifically produced through the vacuum consumable electrode remelt process, is highlighted to ensure uniformity and strength. The process also includes various tests to ensure the metal's quality and reliability. The video details the forging process, which involves shaping the steel into the necessary components using advanced machinery like a giant counterblow hammer and a unique rolling machine. The video concludes by emphasizing the role of material engineering, manufacturing expertise, and innovative thinking in advancing rocket motor technology. 00:00-1:01: The film discusses the challenges in rocket and missile development, focusing on the need for more reliable and durable rocket motor cases. Engineers are tasked with creating a thin-walled, high-strength pressure vessel with minimal weight, which requires sectional construction for added strength. 1:01-2:11: Several test vessels are built to address these challenges. The first vessel, made of formed closures and a welded steel body, failed at the long weld under pressure. The second vessel, with a seamless ring body and welded closures, failed at the outlet weld due to high stress concentration. 2:11-3:12: The third vessel, designed with seamless rolled rings and die-forged closures, including integral outlets, failed at a point of high stress in the girth weld. This led to the development of an ideal concept: seamless rolled rings and die-forged closures with integrated outlets. 3:12-4:01: The material engineering solution involves using high-strength steel with excellent fracture toughness. Steel must be produced through the vacuum consumable electrode remelt process to ensure uniformity, cleanliness, and high quality. 4:01-5:00: The use of billets from the vacuum remelting process ensures quality. These billets are tested for uniformity and cleanliness using a variety of testing procedures, such as ultrasonic inspection, magnetic particle tests, and mechanical property tests. 5:00-7:00: The forging process begins with a high-quality steel billet, which is worked using a series of hot forging stages to improve grain flow and metal quality. Cross forging imparts desirable qualities, leading to the creation of a dome shape using a powerful hammer. 7:00-9:32: The film shows the use of a unique rolling machine that forms large seamless rings for the body section of the rocket motor casing. The process ensures the cylinder has a thin wall and large diameter, essential for high-performance applications. 9:32-11:09: The aft closure of the rocket motor is forged using a large counterblow hammer. This process forms the closure with multiple extruded outlets, preparing it for the next stages of production. 11:09-12:18: After forging, the components are heat-treated and undergo target machining, which simplifies inspection and speeds up production. Target machining ensures that the components are ready for material and diagnostic inspection, crucial for quality control. 12:18-13:17: The film emphasizes the importance of material engineering, manufacturing, and innovation in the development of reliable rocket motor components. It highlights the importance of questioning conventional practices and developing new concepts to push the boundaries of technological progress. Motion picture films don't last forever; many have already been lost or destroyed. We collect, scan and preserve 35mm, 16mm and 8mm movies -- including home movies, industrial films, and other non-fiction. If you have films you'd like to have scanned or donate to Periscope Film, we'd love to hear from you. Contact us via the link below. This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD and 2k. For more information visit http://www.PeriscopeFilm.com Source: https://www.youtube.com/watch?v=MvADC43EHmE Mirrored from Periscope Film (https://www.youtube.com/@PeriscopeFilm) Fri, 12 Jun 2026 03:26:04 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.dngr.us https://peertube.dngr.us/lazy-static/avatars/41a6fee9-7f57-42d0-a5fc-5db4f1af2e31.png https://peertube.dngr.us/videos/watch/12103ca9-4138-41a7-9f58-4ea26607c09a All rights reserved, unless otherwise specified in the terms specified at https://peertube.dngr.us/about and potential licenses granted by each content's rightholder.