Quote:
"Bob La Londe" wrote in message ...
Today I used a 3 ton arbor press now that I finally own one. It was both
easier and harder than I thought. Once I got used to how much force I
really had to exert on the lever they went in straight and fast with little
fuss. What surprised me was how much force I had to actually use on the
lever.
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I bought the 1 ton Harbor Freight arbor press several years ago to push in
various pins, and was also surprised how hard I had to lean on the handle.
That lead to actually reading the manual, where I found out the leverage
ratio was only 20:1. That means to get the rated 1 ton you have to apply
2000/20 or 100 lbs of force to the handle. Didn't match my vision of gently
pulling on the handle and mashing cars flat :-) :-), but I have gotten some
good exercise out of it. I bet your 3 ton unit is only 50 or 60:1, so you
will need to apply 6000/60=100 lbs to get the rated 3 tons, as well.
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Regards,
Carl Ijames