Uploaded June 2024 | Updated September 2026, 2 days ago

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A friend got a Myford MG12 cylindrical grinder, and needs a high speed pulley for the internal grinding attachment, so lets turn one... or four.
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00:00 - Intro
00:29 - What are we making?
01:32 - CAM tool path
01:54 - Special tools
02:30 - Tool grinding
03:21 - Boring out the taper
04:05 - Threading
04:59 - Turning the crown
06:29 - Crashing the parting tool!
08:04 - Second attempt
12:26 - Third attempt
14:47 - Small diameter pulley
16:12 - Installation
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