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Microlux Micromark table saw

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Bill - 06 Oct 2005 04:25 GMT
Just want to rant here for archival posterity...

Aargh.  Warranty ran out a couple weeks ago and this morning the little
guy played dead on me.  Ohmmed it all out and the motor appeared open,
Micromark asks $72 + shipping for a replacement motor.  Sending the 90+
day old unit in for repair would cost more than the purchase price.

So, I went into the thing to see what I could do before writing it off
as a bad decision and after dismounting everything it started working
again!  I suspect there's a thermal circuit breaker device inside the
motor that I'm not supposed to get to since its all crimped together.

I've got mixed reviews about this gadget.  Its handy as the dickens and
when I realized I was without it I started thinking about all the stuff
I COULDN'T do with my hacksaw and big jigsaw.  I've become attached to it.

On the other side, the cheesy little blade that comes with it isn't
worth a shirt for much other than balsa wood.  I wore out the first
blade in short order and bought a second one.  $12.95 hit.  Micromark
wants $10 to ship one (and wouldn't bend) but I found a source that
shipped for like 2.95.

I proceeded to eat up the second blade cutting fibreglass PCB or
Garolite or something.
But, I was able to kinda resharpen both of them with a Dremel tool.
True to form, I dulled the blade again cutting PCB.  When will I
actually READ the ad schpiel?!?

They make a carbide blade for this thing that can really cut brass, PCB,
etc.  $34fuggin95.  For a 2" rotary blade!  Geezus.  I guess I'm gonna
buy one if the machine stays running and I can find a place that will
ship outside the 48 states..although both scenarios seem scarce.  The
machine is worthless for my ersatz uses without such blade.

I dunno about this toy. Its an addictive machine for the type of stuff
I'm doing and I hate becoming attached to it.  Nice little unit but
instead of thinking $119 the prospective buyer should plan for something
 like $200 with an extra blade, shipping.

Its a 29.95 tool aimed at a market that might be willing to fork over
$119 like I did.  Its still a 29.95 gadget tool quality-wise.

-ex
Peter W. - 06 Oct 2005 06:01 GMT
Interesting review.  But I wouldn't have dreamed of cutting PCBs with
something like this (especially the glass/epoxy ones).  Carbide is the
only thing that won't dull in an instant while machining glas/epoxy.

And I sure hope that you are wearing some sort of mask.  Glass/epoxy or
phenolic dust is really nasty on your lungs!

Also, this saw wasn't ment to cut this type of materials.  So, I'm sure
that the dust will do a number on all the bearings (as I'm sure they
aren't really sealed).

Peteski
Bill - 06 Oct 2005 07:45 GMT
> Interesting review.  But I wouldn't have dreamed of cutting PCBs with
> something like this (especially the glass/epoxy ones).  Carbide is the
[quoted text clipped - 8 lines]
>
> Peteski

Of course you're right with all your comments although I really don't
look good in a hazmat suit while eating pickles and sawing balsa.
Pickles are HaZardous for your health, ya know.  And those suits really
make a sweaty mess of a guy.

One really must put things into perspective.  My perspective is how the
vendor keeps on raking my wallet....yours is how dangerous the unit is
and how I am a typical idiot user.

Hmmm Ok. Are we disagreeing yet?   We're on different wavelengths but we
remain in the same band.

I won't be recommending the saw for anything other than 1/8 balsa, and
for that its a coup.  Feel free to expound on the other hazards
resulting from inept use.  I think I sufficiently proved the error case
dollar-wise so there's no dispute from my side.

Have a pickle, Pete.

-Bill
Peter W. - 10 Oct 2005 10:05 GMT
Hey, I like Polish Half-Sour Dills!  :-)

You are welcome to inhale all the fiberglass/epoxy dust you want.  I'm
a fairly carefree guy too, but there are some things I just wouldn't
do.

But I was more worried about the health of the saw's bearings - not
yours. <grin>  Ground up fiberglass is quite abrasive.

And while I don't own that saw, from your review I would agree that it
is not a heavy-duty machine.  

Peteski
rwsmithjr@rcn.com - 06 Oct 2005 07:00 GMT
> etc.  $34fuggin95.  For a 2" rotary blade!  Geezus.  I guess I'm gonna

I don't want to hear it, try $100 or more for a top end carbide blade
for a real tablesaw.
Mike G. - 06 Oct 2005 08:13 GMT
> > etc.  $34fuggin95.  For a 2" rotary blade!  Geezus.  I guess I'm gonna
>
> I don't want to hear it, try $100 or more for a top end carbide blade
> for a real tablesaw.

What do you consider "top end"?
Dewalt not a good brand?
I found a 12" 32 teeth Carbide blade for $47.99 and a 10" 32 teeth Carbide
blade for $42.99 at Ace Hardware.
Mike
rwsmithjr@rcn.com - 06 Oct 2005 08:40 GMT
>>I don't want to hear it, try $100 or more for a top end carbide blade
>>for a real tablesaw.

> What do you consider "top end"?
> Dewalt not a good brand?
> I found a 12" 32 teeth Carbide blade for $47.99 and a 10" 32 teeth Carbide
> blade for $42.99 at Ace Hardware.

Freud (not the line available at Home Depot, Lowes or Ace but the higher
quality line available mail order or at cabinetmaker's supply houses),
Forrest, The System, etc......32 tooth blades are for ripping, I'm
talking 10" 80-120 tooth blades for precision cuts here. I often rip
with a 32 or 36 tooth blade then change to an 80 tooth and rip just less
than a kerf width off each edge and get finish or glue ready
edges....I'd have to use a jointer or a plane otherwise. The drawback is
very hard tight grained woods like hard maple can cut you deeply after
cutting with blades like that, even 90 degree edges are almost razor
sharp. Of the three brands Freud is generally the least expensive and
good enough for most users.

DeWalt works just fine on the jobsite for general construction but
doesn't cut it for furniture or cabinet work. I also get tearout free
cuts in plywood without using a zero clearance throat plate with the
better blades.
Mike G. - 06 Oct 2005 17:55 GMT
> >>I don't want to hear it, try $100 or more for a top end carbide blade
> >>for a real tablesaw.
[quoted text clipped - 20 lines]
> cuts in plywood without using a zero clearance throat plate with the
> better blades.

Ok, I see. I went to Ace Hardware's web site and found the ones I told you
about there.
Freud blades were listed too.
But I did not find the 80 to 120 tooth blades listed at all, just the
coarser ones, not in carbide that is.
I did find them in the, I guess you'd say "plain steel", though.
MG
rwsmithjr@rcn.com - 06 Oct 2005 21:28 GMT
> Ok, I see. I went to Ace Hardware's web site and found the ones I told you
> about there.
> Freud blades were listed too.
> But I did not find the 80 to 120 tooth blades listed at all, just the
> coarser ones, not in carbide that is.
> I did find them in the, I guess you'd say "plain steel", though.

High speed steel, initially very sharp but terrible at holding an edge
compared to carbide. Some high end blades like hollow ground planers are
high speed steel of neccessity due to blade geometry.

Be aware Freud makes 2 or 3 lines of blades depending on selling outlet
and end use.
Boris Beizer - 06 Oct 2005 16:24 GMT
> Just want to rant here for archival posterity...
>
> Aargh.  Warranty ran out a couple weeks ago and this morning the little
> guy played dead on me.

I've got a contrary review.  I bought the Microlux high-end saw with the
tilting table and variable speed motor.  Costs about $350.  Some problems,
but lots of good solutions.  I build wooden ship models, so the cost of
buying pre-cut lumber the sizes I wanted rapidly paid for the saw.  I
researched this very thoroughly before I bought.  My research showed that
all these little saws are overpriced (like expensive table saws) and all
have problems.  Look at it as buying a kit and you won't be dissatisfied.
        A full-sized table saw, (even my little 7.5" saw) is useless
because you can't rip  1/16" strips out of a 1/32" sheet with it, no matter
how sharp and how many teeth you have on the blade.  I've made lots of
noteworthy improvements though.

1.  First was to make a new rip fence.  Everyone knows that the rip fences
on even high-end table saws suck big time.  Took me a day of  mostly milling
work to create a very accurate high fence.   Also made a cross-cut table.

2.  I abused it by ripping very heavy hardwood stock (e.g., 1" thick ebony).
Burned out the drive belt and drive cog in no time.  Bought replacements
from Micro-lux.  Very good service, albeit, expensive.  Had to take the
motor apart and machine the stripped cog off the armature.  Didn't want to
come off even with a gear puller.  Made some small changes to the set up to
make belt and cog replacement easier.  Burned out another belt and cog, so I
went on the internet and located a source of better belts and drive cogs at
about 1/3 the Micromark price.   Now that I have several sets of spare cogs
and belts, I probably won't need to do this again.
      Also, I have a bigger table saw now for the heavy-duty cutting.  But
I still have no problem ripping through 3/4" walnut and making 1/16" thick
strips.   For ebony and African bloodwood, though, I use the "big"  (7.5")
table saw.   A real bargain. An old Craftsman table saw from about 1930 or
so.  Cast iron, 7.5" blade, but the best part is that there is an adjustment
for everything, including spindle play, so it was easy to tweak it up to
ultra precision (for a table saw).  Had to improve the fence, of course, and
rig up a vaccum port, new plates, etc.  I use a high-end Freud blade, of
course.  No trouble cutting  up to 2.25" thick slices down to 1/16" thick
with no need to finish sand them.

3.  The blades are so-so.  The micro-curf blade from Micro-Mark wears out
too quickly and the carbides are really marginal.  And very expensive.
Solution.  I machined various arbor adapters out of brass, so I now can
mount any blade: 10mm, 1/2", 15mm, 3/4", 1" .. and whatever I may need in
the future.  Replacement carbide blades typically run about $10.00 from many
vendors .. but you need an adaptor arbor for most of them.

4.  I lucked into a huge assortment of slitting saws some time back ... from
0.010 to 0.125" .  Some with up to 300 teeth. All 3.5" under.  Using these
are great for really thin stuff and also much better than using a dado
blade, which is a royal pain to adjust.   I also use some very thin milling
cutters, turning the saw into a poor-man's micro-jointer.

5.  Makita makes some nice 3.5" 40 tooth blades with a narrow kerf.  Bought
a couple of these for 50 cents at the flea market, still in the shrink pack.
Much better than the blade Micro-lux sells.

6.  Made my own zero clearance plates .. very useful for the thin stuff.
Also several different kinds of (better) feather boards.

7.  Closed the air intake and redid the vacuum port at the back (it works
now) and put in an adapter so that I can hook it to the shop vac.   The way
it was, all that the vacuum did  was direct the chips away from the motor,
but didn't do anything about the sawdust all over the place.

8.  With metal cutting blades, a good fence, the motor is variable
speed...this had become an indispensible little too for me.  Well worth the
price.

Signature

-------------------------------------
Boris Beizer Ph.D.                 Seminars and Consulting
1232 Glenbrook Road                on Software Testing and
Huntingdon Valley, PA 19006        Quality Assurance

TEL: 215-572-5580
FAX: 215-886-0144
Email bsquare "at" earthlink.net

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