• Hi, and Happy New Year! Can somebody tell me the useage differences between a 12 direct drive disc sander with a tiltable table and a 4 belt and 6 disk with
Message 1 of 8 , Jan 10, 2003
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Hi, and Happy New Year!

Can somebody tell me the useage differences between a 12" direct
drive disc sander with a tiltable table and a 4" belt and 6" disk
with tiltable table sander? I am trying to decide which one to aim
for. They are both made by the same manufacturer, and the direct
drive 12" disc is about \$20 more expensive than the drum/disc. I
can't figure out why the 'apparent' single job tool is more expensive
than the 'apparent' dual job one. Perhaps someone will kindly
explain to this novice the difference between these tools?

This winter/spring I am going to design and build a jig for cresting
and applying centered arrowheads to arrows for my longbow, doing a
little carving and making some small wood boxes, and maybe try a
simple chair if all is going well.

No hangover, we've seen the apple come down before, it's a rerun ;-)
so we went to bed early. :-))

-Charlie
• Hey Charlie. Not knowing make and model, etc. it s a bit hard to tell. but several things go into the equation. 1: Are there variable speed capabilities on
Message 2 of 8 , Jan 10, 2003
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Hey Charlie

Not knowing make and model, etc.  its a bit hard to tell but several things go into the equation

1: Are there variable speed capabilities on either or both?
2: What is the h.p./torque of the respective motors?

As far as which one you select well, depends on what you want to do with it.  That 4" belt ( we talkin' the Delta here??) gives you a nice flat surface with the belt moving in a single direction  it can also (depending on model) give you a curve over which to sand   The 6" disk is good but a bit small when you consider that you can only really use 1/2 of the width of the disk (the part turning down into the table)  and of that 3" maybe 2" of that far enough a way from the center to be funcitonal

The 12" disk doesn't have any curvish places for sanding but it does give you about 4.5" to 5" of sanding area on the disk

but then again heck you could aways buy BOTH!!!

Chas.
• Chas, These are both Central Machinery tools. The 12 disc is a direct drive 1hp brushless motor, selling for \$89.99. The disc/belt combo does not list a
Message 3 of 8 , Jan 10, 2003
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Chas,

These are both Central Machinery tools. The 12" disc is a direct
drive 1hp brushless motor, selling for \$89.99. The disc/belt combo
does not list a motor strength, but both the table for the disc and
the belt portion tilt, the table to 45 deg and the belt to 90. That
second sander is going for \$69.99. All in all, the disc/belt combo
sounds to the untrained ear like the better deal as it is
considerably cheaper and seems to me to be able to do more. It WILL
be a choice of one or the other at least for now.

-Charlie

--- In medievalsawdust@yahoogroups.com, jrwinkler@m... wrote:
> Hey Charlie.
>
> Not knowing make and model, etc. it's a bit hard to tell. but
several things go into the equation.
>
> 1: Are there variable speed capabilities on either or both?
> 2: What is the h.p./torque of the respective motors?
>
> As far as which one you select. well, depends on what you want to
do with it. That 4" belt (. we talkin' the Delta here??) gives you a
nice flat surface with the belt moving in a single direction. it can
also (depending on model) give you a curve over which to sand. The
6" disk is good. but a bit small when you consider that you can only
really use 1/2 of the width of the disk. (the part turning down into
the table). and of that 3". maybe 2" of that far enough a way from
the center to be funcitonal.
>
> The 12" disk doesn't have any curvish places for sanding. but. it
does give you about 4.5" to 5" of sanding area on the disk.
>
> . but then again. heck. you could aways buy BOTH!!!
>
> Chas.
• Ah-ha. well. as noted in my previous post.there are some plus s and minus s on each side. but the combo systems do have a certain versatility. Some
Message 4 of 8 , Jan 10, 2003
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Ah-ha  well as noted in my previous postthere are some plus's and minus's on each side but the combo systems do have a certain versatility    Some 'Central Machinery' tools can be pretty good some need a second look.   How sturdy are the benches that the piece will ride on?  Will they flex if you put a little "oomph" in your sanding (which we all do from time to time)

The combo sander is going to have a relatively large number of parts compared to the direct drive system  how well is it constructed   and one other thing  see if you can get the dealer to let you plug it it and checkout how easy it is to center the 4" belt and keep it there.   I've seen some of these where the belt has a nasty tendency to 'walk'

I'd also check out some other combo systems see how they're constructed and compare it to the 'Central Machine' version   most of the Chinese machinery are based on other systems and then modified for construction and cost benefits   sometimes they do a really good job sometimes ummmmm..

You might find that the C.M. system is perfectly good or you might find that for an extra 20 bucks or so you can go with the same tool but one that may last a bit longer

Not all bargains are bargains

Chas.

----- Original Message -----
Sent: Friday, January 10, 2003 10:26 AM
Subject: [medievalsawdust] Re: technical question

Chas,

These are both Central Machinery tools.  The 12" disc is a direct
drive 1hp brushless motor, selling for \$89.99.  The disc/belt combo
does not list a motor strength, but both the table for the disc and
the belt portion tilt, the table to 45 deg and the belt to 90.  That
second sander is going for \$69.99.  All in all, the disc/belt combo
sounds to the untrained ear like the better deal as it is
considerably cheaper and seems to me to be able to do more.  It WILL
be a choice of one or the other at least for now.

-Charlie

• ... Does anyone know much about Central Machinery? I ve thought about one od their lathes... ===== Baron Conal O hAirt / Jim Hart Aude Aliquid Dignum Dare
Message 5 of 8 , Jan 10, 2003
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--- "vinlandar <vinlandar@...>"
<vinlandar@...> wrote:
> Chas,
>
> These are both Central Machinery tools.

Does anyone know much about Central Machinery?

I've thought about one od their lathes...

=====
Baron Conal O'hAirt / Jim Hart
Aude Aliquid Dignum
' Dare Something Worthy '

__________________________________________________
Do you Yahoo!?
http://mailplus.yahoo.com
• Baron, An outfit named Harbor Freight sells them in my area. I was given a small benchtop drillpress which seems really nice. Their tools seem to be copies
Message 6 of 8 , Jan 10, 2003
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Baron,

An outfit named 'Harbor Freight' sells them in my area. I was given
a small benchtop drillpress which seems really nice. Their tools
seem to be copies of other brands made in China. The belt/disc
sander I saw by Central Machinery looks an awful lot like another
brand I saw at Home Depot, only about 25% less expensive. I THINK
the brand at Home Depot was Delta, but I am not positive. For all I
know, the two brands may both be made in the same factory,or use
parts from a lot of the same suppliers.

What Chas said about checking them out carefully makes sense. If I
did an awful lot of woodworking, maybe a knockoff might not stand up
as well as an original. Then again, maybe it might. Difficult to
say, I guess. You pays your money and you takes your chances.

-Charlie

--- In medievalsawdust@yahoogroups.com, Conal O'hAirt Jim Hart
<baronconal@y...> wrote:
>
> --- "vinlandar <vinlandar@c...>"
> <vinlandar@c...> wrote:
> > Chas,
> >
> > These are both Central Machinery tools.
>
>
> Does anyone know much about Central Machinery?
>
> I've thought about one od their lathes...
>
>
>
> =====
> Baron Conal O'hAirt / Jim Hart
> Aude Aliquid Dignum
> ' Dare Something Worthy '
>
> __________________________________________________
> Do you Yahoo!?
> http://mailplus.yahoo.com
• Central Machine is a Chinese export. [Delta are. or were until very recently. made in. ummm. Missouri, I think. anyway, they wave the flag as being
Message 7 of 8 , Jan 10, 2003
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'Central Machine' is a Chinese export  [Delta are or were until very recently made in ummm Missouri, I think anyway, they wave the flag as being 'American Made']  Central Machine stuff are pretty much all knock-offs of other designs.  In some ways they're built cheaper and a little more shoddy that more 'name' brands in some ways they can actually be built a bit better  (castings are generally heavier but I'm not sure the metallurgical qualities of the metal used for the castings)  the best thing I can advise is to research the tool "type" thoroughly understand what attributes are desirable in a particular type of tool and what attributes should be avoided.  Then examine the tool thoroughly     Harbor Freight (at least the stores I've been in) has a lot of these 'off brands' inexpensive stuff  sometimes though you can actually find some pretty darned good stuff there   But it is a bit like a treasure hunt ya' gotta' sift through the overburden to find the diamonds

Granted there's a certain tradeoff between price and quality but that's half the fun how much can ya' get for how little!

Chas.

Does anyone know much about Central Machinery?

I've thought about one od their lathes...

=====
Baron Conal O'hAirt / Jim Hart
Aude Aliquid Dignum
' Dare Something Worthy '

__________________________________________________
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http://mailplus.yahoo.com

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• ... recently… made in… ummm… Missouri, I think… anyway, they wave the flag as being American Made …] Central Machine stuff are pretty much all
Message 8 of 8 , Jan 11, 2003
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>'Central Machine' is a Chinese export [Delta are or were until very
recently made in ummm Missouri, I think anyway, they wave the flag as
being 'American Made'] Central Machine stuff are pretty much all
knock-offs of other designs.

Fine Woodworking, a number of years ago, did an article on buying imported
machinery, what to look for and what to watch out for. It was reprinted in
one of their, "Fine Woodworking on...." books, but I don't know which ones.
What I mostly remember was that the thing they seemed the most concerned
about was the thing you have the least ability to really check - the motor
and bearings. After that, they expressed dismay at cast iron stuff being
replaced with stamped sheet metal in some import tools.

Avery
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