Traming My Lms 3990

[stupoty]

I am wondering can leaving a milling vise on the mill cause problems? For example, will it cause warpage or anything like that?

Yeah i reckon it's best to have an empty table. It probably depends how tight the bolts are and the rigidity of the vice vs the table.

Stuart

 

[stupoty]

When you say 20th off is that over an inch or the whole table?

Stuart

 

[Brentb1]

I am not sure if I am understanding your question correctly, but what I did was put a magnetic base on the spindle with a dial indicator on it. I have the indicator touch the end of the table, then I turn it so it touches the opposite side of the table. When I did that it was .020 off. If I did not answer your question let me know

 

[edojan]

Brentb1, I have purchased the same unit a few weeks ago and tried the beer can as shimming material but it was not consistent. It needed different thickness under the two bolts on the right side of the column. I ended up purchasing shimming stock sampler kit from leevaley.ca and it did arrive in one day (I am in Ontario). The shims worked beutifully. Here is the link http://www.leevalley.com/en/wood/page.aspx?p=40946&cat=1,43456,43407
This is nothing but 6 pieces of brass foil (in different thickness) but that is the point. Cheers

P.S. Also, I used a torque wrench to tighten the bolts to ~50 lb per inch. Without it you won't know if you are over or under-tightninig the bolts and your indicator will be all over the place. I hope this helps

 

[Brentb1]

That helps a lot, thank you. I was wondering about torqueing them down, when I went to loosen them the bolts were barely snug "from the company"