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Arthur.Marks
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Arthur.Marks
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03-05-2010
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10:59 PM
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05-23-2013,
03:18 PM
Arthur.Marks
replied to a thread
OK, I'm "guilty"
in
General
That's a hard one, Stan. This is just thinking out loud now... Maybe a garden hose connected to your shop sink faucet? Use a rubber squeegee on...
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24 replies | 1322 view(s)
05-18-2013,
09:26 AM
Arthur.Marks
replied to a thread
new tools
in
General
S.S. = Straight Shank
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4 replies | 761 view(s)
05-17-2013,
11:49 AM
Arthur.Marks
replied to a thread
Anyone interested in a small project ?
in
General
I echo Weston's quantity question. <10, tens, hundreds?
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16 replies | 1518 view(s)
05-16-2013,
08:29 PM
Arthur.Marks
replied to a thread
dropped my test indicator, where to get tips?
in
General
Why don't you just buy one from McMaster? They're 13.50 and McM are not known for excessive shipping costs. I bet you end up with a total outlay...
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16 replies | 751 view(s)
05-16-2013,
10:45 AM
Arthur.Marks
replied to a thread
Enlarging holes
in
General
Workholding. Take a block of aluminum or steel at least as long as your bore depth. Square it up in the mill. Bore to the OD of the tube. Cut it...
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54 replies | 3654 view(s)
05-16-2013,
10:37 AM
Arthur.Marks
replied to a thread
dropped my test indicator, where to get tips?
in
General
A.K.Boomer has a valid point. I'll admit to dropping a Fowler XTest. After that, it felt smooth but would not repeat. That was my first test...
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16 replies | 751 view(s)
05-12-2013,
06:19 PM
Arthur.Marks
replied to a thread
Shop vac recommendations
in
General
I have one of the Ridgid vacs as well. Works fine for me cleaning up chips and the like, but lately its noise level is really bothering me. I added...
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21 replies | 1292 view(s)
05-05-2013,
10:45 AM
Arthur.Marks
replied to a thread
micrometer question.
in
General
Caliper makes sense, micrometer not so much to me. What would making a "left handed" mic accomplish? If I think about it, really only being able to...
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16 replies | 1312 view(s)
05-02-2013,
10:33 AM
Arthur.Marks
replied to a thread
Endmill Geometry Question
in
General
The edge/corner is obviously chipped to my eyes. That usually plays hell to surface finish when it happens to me. I might guess there are two...
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31 replies | 1535 view(s)
05-02-2013,
10:20 AM
Arthur.Marks
replied to a thread
Where to find: 7/16-14 stub acme tap?
in
General
Part of the quoted price is going to be if it is a set of progressive taps (typically 3-4 individual taps) or a single. And that is going to depend...
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6 replies | 305 view(s)
05-02-2013,
02:32 AM
Arthur.Marks
replied to a thread
Where to find: 7/16-14 stub acme tap?
in
General
If you can't find them stock anywhere, I've found these guys very helpful for making specials: http://www.tapcotaps.com/
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6 replies | 305 view(s)
05-01-2013,
01:46 PM
Arthur.Marks
replied to a thread
does MT4-to-R8 exist? in canada?
in
General
Rosco-P, et.al.: A number of Euro machines have a native MT4 spindle which is meant to be used with a drawbar; for example, Deckel. As far as I...
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9 replies | 496 view(s)
04-26-2013,
06:39 PM
Arthur.Marks
replied to a thread
summer project- what the @#$$ did i get myself into??!!
in
General
Haha. bizarre. A Logan clone?
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23 replies | 3299 view(s)
04-25-2013,
11:18 AM
Arthur.Marks
replied to a thread
Help I.D. these boring heads
in
General
The right/bottom-most one is a Chandler-Duplex. Never seen the other one before.
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7 replies | 714 view(s)
04-22-2013,
04:43 AM
Arthur.Marks
replied to a thread
Made a longer/extened tail-stock quill
in
General
Perhaps a simple split-sleeve lap? My understanding is that even if neither the original workpiece nor the lap start off as perfectly round, the...
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9 replies | 1175 view(s)
04-15-2013,
06:17 PM
Arthur.Marks
replied to a thread
Knurling upto a head - help ideas please.....
in
General
I've seen knurl wheels that are not the full diameter for the full face width. My thought being that you can then use a larger knurl wheel so the...
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7 replies | 644 view(s)
04-14-2013,
01:35 PM
Arthur.Marks
replied to a thread
ER collet clamping range
in
General
Very nice, John. It is often surprising, isn't it, how precise a lot of items actually are regardless of the "official" tolerance levels on the...
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11 replies | 614 view(s)
04-14-2013,
09:39 AM
Arthur.Marks
replied to a thread
ER collet clamping range
in
General
On a chit-chat note related to above... There's also 'reduction adapters' that have a solid shank the shape of the ER profile. Same function as...
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11 replies | 614 view(s)
04-13-2013,
08:30 PM
Arthur.Marks
replied to a thread
ER collet clamping range
in
General
Basically any ER collet below about 2mm has a reduced holding range. There is a total collapsible range of only .5mm instead of the full 1mm for...
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11 replies | 614 view(s)
04-11-2013,
11:20 AM
Arthur.Marks
replied to a thread
ER series - common 8° angle?
in
General
Yeah, that is how I read it too. I have an ER collet arbor adapter, and I was thinking of using it as a gage while mounted in my headstock to set...
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3 replies | 384 view(s)
04-11-2013,
10:57 AM
Arthur.Marks
started a thread
ER series - common 8° angle?
in
General
I "think" I know the answer to this question but could use some reassurance. All the collet series of the ER type have the same rear taper angle,...
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3 replies | 384 view(s)
04-10-2013,
06:50 PM
Arthur.Marks
replied to a thread
Shop Made Tools 2013 Book
in
General
https://secure.villagepress.com/store/items/detail/item/2571
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6 replies | 744 view(s)
04-08-2013,
08:49 PM
Arthur.Marks
replied to a thread
Weldon shank EM... carbide?!
in
General
Huh.:rolleyes: ...so it seems to be an "urban" myth, or, likely more accurate, a sound theory which makes no practical difference in actual use. ...
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15 replies | 662 view(s)
04-08-2013,
03:53 PM
Arthur.Marks
replied to a thread
Weldon shank EM... carbide?!
in
General
I don't follow. By "EM holders", which type do you mean? I've always reserved an ER chuck for holding my carbide EM's. Otherwise, I thought they...
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15 replies | 662 view(s)
04-08-2013,
01:27 PM
Arthur.Marks
started a thread
Weldon shank EM... carbide?!
in
General
Perusing the carbide end mills offered by Maritool, and I find ones that specifically mention they have a Weldon flat. Huh? I always understood...
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15 replies | 662 view(s)
04-04-2013,
08:05 AM
Arthur.Marks
replied to a thread
This old Tool - Anyone familiar with Comet-FGII 55º and 60º threading tool?
in
General
Komet also makes them -- as in www.Kometgroup.com ...although I doubt that "comet" tool is the same co.?
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11 replies | 1314 view(s)
04-01-2013,
09:27 AM
Arthur.Marks
replied to a thread
Off the wall idea
in
General
My knowledge on grinding is about where yours is, but here would be my concern looking for a more knowledgeable answer... Running a grinding spindle...
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7 replies | 545 view(s)
03-31-2013,
03:24 PM
Arthur.Marks
replied to a thread
lathe leadscrew accuracy
in
General
Oh.. Mcgyver. You've been scaping too much. It's making you argumentative. Go outside and look at something really big (like the sky) for a little...
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95 replies | 4891 view(s)
03-29-2013,
10:04 AM
Arthur.Marks
replied to a thread
Holding a large drill in tail stock???
in
General
Mt2 seems awfully inadequate for a straight go at drilling a 1" hole, right? I've always put the MT2 as capable of a 1/2" or a 5/8" with pilot hole...
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27 replies | 1998 view(s)
03-28-2013,
06:44 PM
Arthur.Marks
replied to a thread
Holding a large drill in tail stock???
in
General
Drill a pilot hole first - the diameter of the web on the 1" twist drill. Seriously. Try it now. Yes, now. No, not later. :) Any more spinning...
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27 replies | 1998 view(s)
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About Arthur.Marks
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About Arthur.Marks
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Chicago, IL
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