Which size Aloris for SB 16?
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  1. #1
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    Default Which size Aloris for SB 16?

    The Aloris catalog lists EITHER BXA or CXA for a 16 inch SB. Mine is a late model with hardened ways and lever clutch.

    The BXA is less expensive,the CXA is likely more rigid. I am concerned about whether or not one of them is at/near the limit of its vertical height adjustment range for setting proper tool point height.

    Anybody have experience with either? Comments/problems/likes?

    Thanks in advance.

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    I have a CXA on the SB16 I use at work. None of the tool holders are at their travel limits.

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    Either one will work, however I would go with a CXA size just because there is more to it. Height adjustment should not be a problem if your using 1/2" or 5/8" shank insert holders. You can also put a "shim" under the insert holder to raise it up if needed. When I worked in a R&D shop I had a 13" lathe with a CXA toolpost and had no real problems with it.

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    CXA works for me. If you had a 13" and a 16", and could only buy one Aloris...then I'd say get the BXA. The CXA is sized perfect
    for the 16". pb

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    I also use a CXA in my 16's. I have a spare BXA leftover from when we had a smaller machine, and when I tried it in the 16 it was just too short. Most of my insert holders have a 3/4 shank.

    Marc

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    Yes, either will work, but I would use a BXA, as it is plenty stiff enough. I use a Multi-fix B on my 18" L&S with no ill effects. I do have to use a spacer under the head. One unmentioned advantage, beside price, of using the smaller size is potential interference with the "C" size.

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    Adding to this thread just to provide another data point.

    I recently purchased a BXA sized Bostar QCTH (CDCO/ebay) for use on my SB16. I had to add shims (~1/4") under the QCTH to bring the tools up to center. BTW, I typically use 1/2" shank tools. I'm not real pleased with the setup, but it should be fine. Honestly though, if the quality of the QCTH was a bit better then I might be quite pleased with the setup.


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