05-13-2012, 06:53 AM
(05-13-2012, 12:13 AM)Wongster Wrote: Few questions:
1) Should I be boring the centre hole and turn the taper before threading?
2) On the mounting holes, I was planning to follow the article posted on the 7x12minilathe to mark the hole positions till I saw an article on Tool and Mods http://www.toolsandmods.com/mini-lathe-c...plate.html The author scribed the PCD of the mounting holes on the lathe after indexing the tool to the centre line. I don't really understand how he did the indexing and dropped him an email yesterday, hoping that he will reply. Any other methods available to do this?
3) On the mounting holes again, should I go with 3 holes or 4?
Regards,
Wong
1) Whatever you fancy
2) It is much easier to scribe the PCD with a pair of scribers but you need a centre so don't drill a hole until the scribed PCD is done. Mark the 6 points on the PCD line using the scribers set to the PCD radius, and just use 3 @ 120 deg apart.
3) 3 holes is just fine
The holes are for screws to hold your ER 32 chuck on to the back plate - that's all they do, they do not locate it.Looking good Wong
DaveH