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Re: Rigidity of DB200 Way Bars


 

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Hi Dick:

I know a cross hole would be a real challenge, so I think a eye bolt around a turned down end section to pull the bars into the bed "Vs" might work.

But then the other question, related to the size of the machine, is the balance of Power / Size / Accuracy / Etc. To increase any one factor may compromise another.

I've had my Unimat for 45 years and haven't made any modifications to it. I did put it on a 20mm ground steel plate and added a mounting flange for the milling post, but I still have the same way shafts, etc. It is a small machine and needs a gentle hand, but with care I have drilled 3/4" holes in aluminum plate. Not as fast as a 5hp radial drill, but it did do the job.

So please enjoy your Unimat.

Thanks, Carl.

On 4/15/2020 3:45 PM, OldToolmaker via groups.io wrote:

Carl,

I know the Unimat is a light duty machine with limitations. ?I am just wanting to remove some of the deflection of the ways when the cross slide is in mid range of the travel when it is most likely to flex when under load. This is really not a big deal to me but I am always looking for ways to improve the machine. ?I like the idea of substituting carbide for steel without the need to adjust any other features. Working with carbide however in the hobby shop is a little hard to do. I do have diamond grinding equipment for cutoff and end grinding but putting a cross hole through carbide would be an issue for me. I would have to find another means of clamping the bars.
Dick

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