The combo square set on the auction is a Brown & Sharpe #599-438-1204-1
From: GrizHFMinimill@yahoogroups.com [mailto:GrizHFMinimill@yahoogroups.com]
Sent: Thursday, March 14, 2019 8:37 PM
To: GrizHFMinimill@yahoogroups.com
Subject: RE: [GrizHFMinimill] Re: Newbie w/questions [1 Attachment]
[Attachment(s) from trainliker included below]
You are correct, I incorrectly associated the "HiTorque" mill with the X-3 when it seems to really be more in the X-2 size category.
It looks like the Grizzly G0463 is their number for the X-3 and here are some numbers for it:
Grizzly G0463
- Weight: 445 lbs shipping weight
- Horsepower: 3/4
- Table size: 21 5/8" x 6 1/4"
- Max Spindle to table: 14 3/4"
- Price: $1625..00
Similar to another one that I previously listed, I think this is WAY more machine than the Little Machine Shop style (or similar) for roughly $500 more if somebody wants to be able to do heavier machining work.
This model seems to currently be out of stock with the note "More coming soon!" and suggesting to order now to "secure your spot in line".
By the way, if there is anything about the specs I didn't like, it's probably the horsepower. Seems a little low for this size of a machine..
Chuck K.
Sent from Mail for Windows 10
From: a rien amriensr@yahoo.com [GrizHFMinimill]
Sent: Thursday, March 14, 2019 5:38 PM
To: GrizHFMinimill@yahoogroups.com
Subject: RE: [GrizHFMinimill] Re: Newbie w/questions
I think you may be a bit off on the spec's of the X3 mill, from what you have mentioned what you describe as far as size, weight sounds more like X 2 variants. The X3 is more like 350-400lbs and is much more rigid than any of the X2's including any of the LMS versions.
The big + to me is the readily availability for X 3 parts should they be needed.
--------------------------------------------
On Thu, 3/14/19, trainliker ckinzer@att.net [GrizHFMinimill] <GrizHFMinimill@yahoogroups.com> wrote:
Subject: RE: [GrizHFMinimill] Re: Newbie w/questions
To: "GrizHFMinimill@yahoogroups.com" <GrizHFMinimill@yahoogroups.com>
Date: Thursday, March 14, 2019, 2:04 PM
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I'm not sure I would
recommend an X3 type of mill for what it sounds like you
want to do. I consider it to be a rather light duty
machine. I have an earlier tilting column version of this
sort of mini mill and feel it is marginal for machining
other than rather small parts, especially if machining tough
materials. You can do it, but it takes much more patience
and more aggravation. I also have a larger knee mill
(along the lines of a Grizzly G0801 but of a different era
and manufacturer) and also a lot of machine shop time on a
small Clausing 8530 (which is pretty small machine as
industrial machines rate but far more substantial than any
mini mill.) So I have my reasons for recommending against
the X-3 for anything that might be perhaps a more
"industrial" sized need. As an example, here is a
selection of some machines from what is likely the best mini
mill, to a bench top version that is likely far larger than
what you need. You might consider making your own
comparison chart with the important specs of about as many
of these things as you can find. Sometimes just a single
specification might make the machine not suitable for you,
so check carefully. (Spindle to Table distance is a good
example to watch out for.) Usually, when you do that, a
sort of "sweet spot" becomes apparent for your personal
situation. You will get an idea what is too small or light
and what is overkill.
Little Machine Shop
3990 HiTorque Mini Mill (probably the best of the "mini
mills")Weight: 124 lbs machine weight
(says crated weight is 161 lbs and in another description
176 lbs. But 124 lbs is in the specification
list)Horsepower: 0.67Table size: 18.1" x
4.7"Max Spindle to table: Not given
(X-3 described elsewhere at their site says 14
3/4")Price: $1154.73 Grizzly G0758 Mill/Drill
(This is really the Grizzly "mini mill" I think) Weight: 204 lbs shipping weight
Horsepower: 3/4Table size: 19 3/4" x 5
3/4"Max Spindle to table: 8
3/4"Price: $1150.00 Grizzly G0795 – Heavy Duty
Benchtop Mill/Drill
Weight: 496 lbs shipping weight
Horsepower: 1Table size: 27 1/2" x 7
1/2"Max Spindle to table: 16
1/8"Price: $1895..00 Grizzly 0720R Heavy Duty
Benchtop Milling Machine Weight: 768 lbs shipping weight
Horsepower: 2Table size: 32 1/4" x 9
1/2"Max Spindle to table: 15
3/4"Price: $3950.00 In just the above examples,
the Grizzly G0795 would appear to be a massive jump up in
beefiness and size compared to the increase in cost. To be
a little silly about it, that Grizzly G0795 machine is $3.82
per pound versus $7.17 per pound for the Little Machine Shop
mini mill. Or maybe that's not so silly after all.
Chuck K. Sent from Mail
for Windows 10
From: Rex
Burkheimer burkheimer@gmail.com [GrizHFMinimill]
Sent: Thursday, March 14, 2019 8:35
AM
To: GrizHFMinimill@yahoogroups.com
Subject: [GrizHFMinimill] Re: Newbie
w/questions
Geared- head mills (and
lathes) are generally preferred because they deliver full
torgue all the time. That's never been a concern to me.
Every mill I have had has been belt drive except my first X2
minimill years ago. Nevertheless, there is a price premium
when new, and they do sell.I would not let it affect the
buying decision, and I would not pay any
premium.
Here's where that round
column becomes an issue: Say you just drilled a hole with
your short drill bit, and now you need to tap it without
losing position. You raise the quill all the way and still
can't get your tap holder + tap in the available space.
Now you have to unclamp the head assembly from the column
and crank it up. In the process it can rotate around the
column a little, losing your position. There are
workarounds. This has only been an issue on a very few of
my own projects. As to a power reduction when
using a VFD, that is not the case with modern drives. A
3-phase motor with a VFD is a great way to power tools.
However, you do need to factor the VFD cost into the
total.. Add $200 and you are now at $1200, That is about
the very most I would consider if there are no other good
choices locally. For that money, I would
probably be looking at one of the X3 variants instead, like
a G0704. You can get close on price buying
new.
I
recently bought one of the LMS Hi-Torque minimills. That is
a very nice small mill, with a rigid column, more power, and
a larger table than the regular X2s. If your work fits the
envelope it's worth considering. Not sure if Grizzly has
a comparable model.
Rex B - DFW
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Posted by: "David Schwandt" <finsruskw@iowatelecom.net>
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