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Re: Crooked cut!!


 

Yes, I've done some experimenting myself although not as intense as you've done and found that the unit is pretty darned good. I did not buy the machine anticipating precision cuts at all but rather as a rough-cut device to save on "elbow-grease". Only to find that precision cuts are the order of the day on these machines ...what a happy bonus!
BTW Happy Father's Day to all!
PS
I know that Im off topic on this so dont bust my chops too much. Posted this on the Mini-mill groups and no feedback, but really need some advise. I am about to purchase a Grizzly G8689 Mini-Mill along with a bunch of accessories including a Rotary Table and Dividing Plates. I am primarily interested in cutting gears within the capacity of the machine for various projects. Where can I find information on this aspect of milling and what cutters should I go out and get?
Cheers, Cletus 9Z4CLB


dswr@... wrote:
Got a 3' section of 3/4" drill rod yesterday and decided to do an
experiment....

Mounted it in my 4x6 and cut a slice off the end. Deburred the end of
the rod (not the drop) and checked it with a combination square...
pretty good. Marked the top, and took another cut off the bar.

After deburring the edges, I use a micrometer (better than calipers) and
measured the four quadrants of the piece, placing the measuring rod half
on and half off the piece.. The length measurements were; top: 0.426",
bottom: 0.4265", sides: 0.423 and 0.422".

Using the worst case scenario, I calculated the error, If cutting a 5"
round piece (all errors being constant, not always the case), the worst
case error would be around 0.030" (less than a 1/32")! Not bad for a
$200 saw!

Leo (pearland, tx)



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