Watchmaking: Screw Making Techniques
Chronova Engineering・2 minutes read
The video demonstrates the intricate process of hand machining watch screws, detailing the steps from cutting the thread to polishing and heat treating the steel. Various tools and methods, such as using rodico for cleaning and bluing the screw, are showcased, along with an alternative technique called single point threading for smaller screws.
Insights
- The video showcases a meticulous process of hand machining watch screws, emphasizing the precision required in turning diameters, cutting threads, and polishing surfaces using various tools and materials.
- Detailed steps such as using rodico for cleaning, employing a burnishing tool to remove sharp edges, and applying a heat treatment with boric acid to harden the steel underscore the intricate craftsmanship involved in creating high-quality watch screws.
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Recent questions
How are watch screws manufactured?
Through hand machining processes detailed in the video.
What materials are used in hand machining watch screws?
Rodico, Emery paper, polishing paste, boric acid.
What is the purpose of burnishing in watch screw manufacturing?
To remove sharp edges from the screw head.
How are watch screws hardened during manufacturing?
Through a heat treatment process involving boric acid.
What is the significance of bluing watch screws?
To heat the screw to the correct temperature.
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Summary
00:00
"Hand Machining Watch Screws: Detailed Process"
- The video explores the detailed process of hand machining watch screws, starting with a one millimeter diameter screw, with a revisit to a 0.6 millimeter screw later on.
- Turning the diameters of each part of the screw is initiated, beginning with the thread portion and then the head, followed by machining a point on the end of the screw.
- The use of rodico, a green-colored material, for cleaning small parts like watch screws is demonstrated, along with the process of cutting the thread using a die and polishing the surfaces with Emery paper and polishing paste.
- The screw is cut off using a parting tool or a piercing saw, followed by a burnishing tool to remove sharp edges from the screw head, and a heat treatment process involving boric acid to harden the steel.
- The final steps involve polishing the screw, including the slot, and bluing the screw by heating it to the correct temperature, with an alternative approach called single point threading explained for making smaller screws.
