LH

"Lew Hodgett"

13/12/2014 9:20 PM

RE: Table Saw Zero Clearance Inserts

My son tipped me off to a very nifty T/S splitter From Micro Jig.

It requires that you fabricate a new zero clearance insert which
is NBD, IMHO.

Included was a you-tube clip showing a method that uses the
table saw, a band saw and some rare earth magnets used
during fit-up.

Now there have got to be at least a dozen ways to make a ZCI
for a 10" T/S, but one involving some 1/4" hardboard, some double
backed tape, a router with a 1/2" pattern bit is about as straight
forward as you can get, IMHO.

Throw in a 3/4" forstner bit to drill finger holes, a pilot drill and
a tap
for set screw adjusters, and you're done.

If you really want to spiffy things up, first make a pattern from a
piece of 1/2" MDF using the metal insert supplied with the saw.

Cut out some hardboard blanks 1/4" oversize in length and width
and tape together in blocks of three (3) to yield 3/4" blanks.

If I had one, a scroll saw would simplify making the MDF pattern,
otherwise it's router time.

How do other people make ZCI for their T/S?

Lew


This topic has 4 replies

Ll

Leon

in reply to "Lew Hodgett" on 13/12/2014 9:20 PM

14/12/2014 5:31 AM

"Lew Hodgett" <[email protected]> wrote:
> My son tipped me off to a very nifty T/S splitter From Micro Jig.
>
> It requires that you fabricate a new zero clearance insert which
> is NBD, IMHO.
>

Actually you do not have to fabricate a zero clearance insert, I just used
the store bought one that I has been using for years. The steel reinforced
splitter works very well however. Don't get the all plastic version if
those are still available.

Ll

Leon

in reply to "Lew Hodgett" on 13/12/2014 9:20 PM

14/12/2014 5:58 PM

On 12/14/2014 4:24 PM, [email protected] wrote:
> On Sun, 14 Dec 2014 05:31:49 -0600, Leon <[email protected]> wrote:
>
>> "Lew Hodgett" <[email protected]> wrote:
>>> My son tipped me off to a very nifty T/S splitter From Micro Jig.
>>>
>>> It requires that you fabricate a new zero clearance insert which
>>> is NBD, IMHO.
>>>
>>
>> Actually you do not have to fabricate a zero clearance insert, I just used
>> the store bought one that I has been using for years. The steel reinforced
>> splitter works very well however. Don't get the all plastic version if
>> those are still available.
>
> +1
>
> The plastic versions break easily. Note that there is a set for fine
> tuning the offset from the blade. I much prefer a real splitter or
> knife, though. I haven't used my MJ splitter since I got the Delta
> splitter/plaws, thing (though it has its issues too).
>

+1 ;~) I have not used my MJ splitters since I started using my riving
knife on my SS.

Bb

Brewster

in reply to "Lew Hodgett" on 13/12/2014 9:20 PM

14/12/2014 8:51 AM

On 12/13/14, 10:20 PM, Lew Hodgett wrote:
> My son tipped me off to a very nifty T/S splitter From Micro Jig.
>
> It requires that you fabricate a new zero clearance insert which
> is NBD, IMHO.
>
> Included was a you-tube clip showing a method that uses the
> table saw, a band saw and some rare earth magnets used
> during fit-up.
>
> Now there have got to be at least a dozen ways to make a ZCI
> for a 10" T/S, but one involving some 1/4" hardboard, some double
> backed tape, a router with a 1/2" pattern bit is about as straight
> forward as you can get, IMHO.
>
> Throw in a 3/4" forstner bit to drill finger holes, a pilot drill and
> a tap
> for set screw adjusters, and you're done.
>
> If you really want to spiffy things up, first make a pattern from a
> piece of 1/2" MDF using the metal insert supplied with the saw.
>
> Cut out some hardboard blanks 1/4" oversize in length and width
> and tape together in blocks of three (3) to yield 3/4" blanks.
>
> If I had one, a scroll saw would simplify making the MDF pattern,
> otherwise it's router time.
>
> How do other people make ZCI for their T/S?
>
> Lew
>
>

I use my original insert (Unisaw) as a router pattern template DS taped
to an oversized 1/2" blank. I think I have several wraps of tape arount
the original insert edge to tighten up the fit of my replacements. I
currently drill/tap for leveling set screws but this gets old. Next time
I'll try hot melt glue on the table saw tabs (pre waxed) and position
the new insert until the glue sets. This should be much faster. As far
as materials, I've tried oak, melamine PB, and baltic birch PW. The oak
begins to splinter away where the saw teeth beat down (the critical
area). I might try orienting the grain perpendicular to the blade next
time. The melamine works better, but suffers the same fate as the oak.
The PW works best. At some point I may try aluminum for my mitering
since this involves hundreds of cuts with a specialized setup and the
wood inserts often need changing out during the production run to
maintain 'perfection'.
I have the Micro Jig insert doohickey but never have gotten around to
installing it.

-BR


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k

in reply to "Lew Hodgett" on 13/12/2014 9:20 PM

14/12/2014 5:24 PM

On Sun, 14 Dec 2014 05:31:49 -0600, Leon <[email protected]> wrote:

>"Lew Hodgett" <[email protected]> wrote:
>> My son tipped me off to a very nifty T/S splitter From Micro Jig.
>>
>> It requires that you fabricate a new zero clearance insert which
>> is NBD, IMHO.
>>
>
>Actually you do not have to fabricate a zero clearance insert, I just used
>the store bought one that I has been using for years. The steel reinforced
>splitter works very well however. Don't get the all plastic version if
>those are still available.

+1

The plastic versions break easily. Note that there is a set for fine
tuning the offset from the blade. I much prefer a real splitter or
knife, though. I haven't used my MJ splitter since I got the Delta
splitter/plaws, thing (though it has its issues too).


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