How To Repair A Damaged Shaft Using Machining Techniques

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Shafts are commonly found in various industrial applications where rotational motion is required to transmit power or perform specific functions. These essential components can suffer issues such as wear and tear from vibration, rubbing, abrasive contaminants, and corrosion. • In situations where it is impractical to strip a shaft, Belzona metallic polymers can repair in-situ, limiting the downtime and lost production costs without the risks that result from welding procedures. • A step-by-step how-to guide: • 00:00 - Introduction • 00:21 - Undercutting the substrate by a minimum of 0.06 inches (approx. 1.6mm) • 00:31 - Machining a rough thread profile to achieve a clean, rough bare metal • 01:00 - Degreasing the prepared surface using Belzona 9111 or any other approved cleaner/degreaser • 01:12 - Applying 6-8 wraps of tape to both sides of the repair area to act as a thickness gauge • 01:52 - Using Belzona 1111 (Super Metal) – a two-part repair composite • 02:07 - Mixing ratio by volume: 3 parts base to 1 part solidifier • 02:17 - Mixing thoroughly until a uniform, streak-free color is achieved • 02:30 - Applying Belzona 1111, forcing it down into the surface using a brush to avoid air entrapment • 03:06 - Removing excess product and smoothing out the surface • 03:26 - Removing the tape • 03:48 - Allowing the product to fully cure • 03:53 - Machining the repair down to within 0.005 inches (125 microns) of the desired profile • 04:32 - Removing the final 0.002 inches (50-75 microns) using fine emery cloth • #Belzona #Shaft #repair • 🔔 Subscribe and turn on notifications, so you don't miss any videos: https://www.youtube.com/belzona?sub_c... • 👋GET IN TOUCH: https://www.belzona.com/en/contact.aspx • 📖READ OUR LATEST BLOG: https://blog.belzona.com/ • 👍CONNECT WITH US: On LinkedIn - / belzona • 📸 FOLLOW US: On Instagram - / belzonaglobal

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