Will unimat 4 milling post fit unimat 3 ?

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Will unimat 4 milling post fit unimat 3 ? Steve 01-13-2008
Posted by Steve on January 13, 2008, 12:07 pm
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Hi,
I am hearing from one stockist thet the Unimat 4 Milling Attachment post and
head assembly 200 100 will need to have matching holes drilled into its base
to be backwards compatible/fir a unimat 3.

Another stockist Chronos has their website saying ' This milling
attachment can be mounted to the rear of Unimat 3/4 lathes '

Now the Unimat 3 has a V shaped socket into which its own milling post was
affixed. This 200 100 has a flat flange, doesnt look compatible.

Rejon site has it up as for a Unimat 4.

Neither are there on a Sunday to ask and I need to know urgently !

Does anyone know the score on this ?

Cheers
Steve



Posted by dave sanderson on January 13, 2008, 2:15 pm
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Steve wrote:
> Hi,
> I am hearing from one stockist thet the Unimat 4 Milling Attachment post and
> head assembly 200 100 will need to have matching holes drilled into its base
> to be backwards compatible/fir a unimat 3.
>
> Another stockist Chronos has their website saying ' This milling
> attachment can be mounted to the rear of Unimat 3/4 lathes '
>
> Now the Unimat 3 has a V shaped socket into which its own milling post was
> affixed. This 200 100 has a flat flange, doesnt look compatible.
>
> Rejon site has it up as for a Unimat 4.
>
> Neither are there on a Sunday to ask and I need to know urgently !
>
> Does anyone know the score on this ?
>
> Cheers
> Steve

I dont know about a unimat 3, but my unimat 4 has a flat pad cast into
the back of the
bed with 4 tapped holes arranged in a rectangle iirc about 2" by 1"
tho its a long time since
I looked.
hth
Dave

Posted by on January 14, 2008, 2:37 am
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If the column can be removed from the cast base it won't be too hard
to drill two holes to fit the back of the Unimat 3, the Vee shape of
the casting will align the column if your holes are a bit off.

I think Chronos may have a typo as all the other sites say it fits the
U4 & 5

Jason

Posted by Steve on January 14, 2008, 7:59 pm
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Many thanks,
holes need to be carefully drilled, as you say, V slot aligns.
Steve
> If the column can be removed from the cast base it won't be too hard
> to drill two holes to fit the back of the Unimat 3, the Vee shape of
> the casting will align the column if your holes are a bit off.
>
> I think Chronos may have a typo as all the other sites say it fits the
> U4 & 5
>
> Jason



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