The LARGEST Thing We've Machined in 60 years (It's Too Big For The MEGABORE!)

In today's video, we're machining the biggest part we've ever attempted in 60 years! This MONSTER component is the 5 ton drive head for our MEGADRILL, and the flange warped during welding. We'll be using a Marcem Flange Facer to do the job, and experimenting using both carbide and tool steel for cutting. It's a wild setup, but let's see if we can get the job done. Enjoy! About HAL Heavy Duty: We're a real life machine shop for a 60 year old drilling company located in Central Queensland, Australia. Our job is to keep rigs running in the field - fixing all the stuff drillers break and creating all the custom gear they need to get the job done! We run two CNC's, manual repair lathes, a few mills and a big green Megabore Lathe we call "THE HULK"... and are constantly having to make weird and wonderful tools for odd (usually oversize) jobs. We're a little shop that takes on big projects, and the latest is our MEGADRILL project where we're manufacturing a 3.0m (10 foot!) drill bit that'll weigh upward of 20 tonnes and we're getting ready to send it 250m (800+ feet) deep. If you want to catch up on the progress... here's the latest on the project. https://youtu.be/OKPr15PucGQ?si=dTVN39xDaAYi3Je9 https://youtu.be/mK3slsayuZM?si=kB4koTj7MrkngnlJ https://youtu.be/qtsz7cLtDY8?si=LL-ip0p-M-FVsoTs https://youtu.be/j_g8wMRu7wc?si=_PO-F-opHgggzjU1 https://youtu.be/r796Mw4j1gM?si=_9yPWEgUw4b10d5e We release our weekly video at 1pm Friday (AEST), so be sure to subscribe if you want to see stuff you really won't find anywhere else!