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The Sajo mill is here
ieezitin:
Well trion you can rebuild Haitay with this beast. Nice purchase. You will not have milling problems in your future.
Bernd:
trion,
Mill looks good when cleaned up. A bit of work and you'll have a nice mill for what you want to do.
Those marks on the column are called "flaking" they are used to help hold oil for lube and to make it look pretty. Can't quite tell you what you'll need to tool it up. I guess you need to look at what you want to do on it first. But you definatly need a good vise for starters.
Need to do a bit of thinking on those other questions.
Bernd
Stilldrillin:
A fine machine.... In well used condition...... :thumbup:
Enjoy!
David D
Bernd:
--- Quote from: Trion on January 21, 2010, 04:19:31 PM ---Now on for a few questions:
- How can I measure the possible effect of the wear on the Z axis ways?
--- End quote ---
These are only going to be my thoughts on these questions since I don't have such a large mill. I did run something similar way back when I was employed.
I would use a cylinderical square and indicator.
--- Quote ---- I'm thinking of a Kurt D675 vise, suggestions for better alternatives? Will I get use of a vice with swivel?
--- End quote ---
I would say it might be more useful, but remember you said that the table can also be swiveled. So it's sort of a balancing act here. Obviously a swivel vise would make it more versatile.
--- Quote ---- I have no 40 taper tooling, but having read that the only difference lies the drawbar, I'm thinking of buying something american from ebay, as they are half the price of SK 40. It would be nice to be able to use the same drawbar on all holders, what should I get, BT 40 or CAT 40?
--- End quote ---
Not haveing studied the differences between the catagories I can't say. Take a look at Enco Catalog, MCS Industrial Supply. Might help in deciding which ones to use.
--- Quote ---- When buying tool holders, should I get a holder for ER collets, or endmill holders for each endmill?
--- End quote ---
I would get endmill holders. For a big machine your going to be doing heavier work. The endmill holders will be more rigid than the ER spring collets. I'm sure there's going to be some dissagreement with my statement.
--- Quote ---- What's most common/convenient of ER32 or ER 40?
--- End quote ---
Again this will be dependent on what your going to do. Both would be nice to own but price wise could be prohibative. I would get the larger to start with. To me the smallest end mill I would use in that size machine would 1/4" (6.35mm)
Don't know if this helped much. I'm sure others will chime in and make a few comments on what they think you'll need. Take all of them in consideration and then you can make a more informed decsion on what you are going to do.
Regards,
Bernd
Darren:
I would prefer individual end mill holders for my machine, but due to cost I opted for ER32, you might want to look at ER40 size if you go this way.
Here are two arbors, on the left is a BT30 ER32 and on the right is one I made in IS0 style. I believe CAT is similar and I'm sure someone will correct me if I'm wrong.
Notice the top section, on the BT it's missing, hence the different length drawbar.
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