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24-12-2015 #1
The incorrect leadscrew is in my opinion not the leadscrew, but one of the Spindles in X or Z. Eventually the machine was sold as imperial and a damaged spindle was changed with a metric or vice versa, but without changing the dials as well.
If you are not sure with the machine, take a dial indicator (with large foot instead of ballpoint) and holder and a long guide shaft and test, if the machine is ok. check the gear for speed and feed, the guides the backlash and the levers for engaging the feed and leadscrew.
Normally I say, if you get a machine that is big enough
for your job and new with guarantee, take this. But the colchester is the same price and a much more rigid and powerful machine like the little chinese.
If I want believe tony's website, then the machine from Ebay is a bantam 1600, but they can run 2000 turns, maybe thats the reason for the other name. The other 2000 in reality a harrison looks completely different.
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24-12-2015 #2
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24-12-2015 #3
In tonys site, the bantam2000 is identically to the harrison M250. But the sign an the Ebay machine is M2000, why they have named different machines with the same name, who knows?
But I have seen another Bantam right now, it seems in much better condition and have Chucks with it, but not collets.
http://www.ebay.co.uk/itm/COLCHESTER...3D231773982948
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25-12-2015 #4
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25-12-2015 #5
I have a bantam 2000, and while very similar to the harrison 250/300, there are subtle differences. For example, I favour the colchester because the cross slide is operated by my left hand, saddle is operated by my right (I came from a boxford), on the harrison you would operate the cross slide with your right hand, and the saddle with your left (same as a myford) for me it`s a bit like having to re - learn how to use a lathe when I use my friends harrison, I always end up crashing into the workpiece because of the way the handles are set. I have also had a myford, and by comparison, I would much prefer the colchester as it`s about 3 times larger.
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25-12-2015 #6
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25-12-2015 #7
I would certainly choose the colchester over the myford, simply because of it`s increased capabilities. One thing that I maybe should mention is that my colchester is 3 ph, and has a dual speed motor. This meant that I had to go for one of the bigger phase convertors, (transwave), as opposed to one of the small VFD`s (well, thats what my electrician advised).
This added a fair bit on to the total cost of the setup, whereas my friend uses a harrison which simply runs off a small VFD, and ultimately gives him full speed control.
Unfortunately, I can`t comment on the warco, as I have never used one ! or even seen one in the flesh. I also think that a good used harrison will always hold it`s money, so that may be something to consider if you plan on changing in the future. Sorry I can`t be of more help.
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