Machining Brass-tipped Lockscrews for my Lathe Spider Upgrade
Автор: Machining and Microwaves
Загружено: 2022-03-24
Просмотров: 18298
Upgrading my trusty lathe headstock spider for long square and rectangular stock in addition to round and hex. Machining brass-tipped stainless steel screws using my large Lantern Chuck.
My lathe headstock spider has three screws, which makes it good for hex bar and OK for round bar, but by adding three new M8 threaded holes at 90 degree intervals allows me to grip square, rectangular and round metal bars with four screws - without losing the facility to grip hex bar.
I needed to machine an extra M8 brass-tipped clamp screw, so I turned a suitable pad on my Colchester metal lathe with a spigot with an interference fit into a hole in the end of the bolt.
Whipping accident video (no injuries, just terrifying) here:
• Видео
Chapters:
00:00 Why I need to upgrade
01:00 Custom collet
03:51 Screw mods
05:46 Brass pad
09:50 Extra holes
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