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  #1  
Old Mon 21 November 2011, 18:29
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Cutting Wing Rib Forms #118 - Oklahoma USA

What is the size of of the angle iron that is used for the cross rails. I do not see a specification. It looks like maybe 1/4", but I am not sure.
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  #2  
Old Mon 21 November 2011, 18:33
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Also, what is the meaning of the red hatching in the longitudinal direction I see in drawing 10-10-246-D. Is that some extra length? If so, how much?
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  #3  
Old Mon 21 November 2011, 18:38
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Never mind, just as soon as I post, I find what I need at M1-10-110-M.
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  #4  
Old Mon 21 November 2011, 20:06
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Learnin the ropes - Oklahoma USA

What is the english equivalent to 100mmx50mmx2mm rectangular tubing.
The closest in 32nd's would be 3/32, but I see nothing like that.
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  #5  
Old Mon 21 November 2011, 20:10
baseball43v3r
Just call me: John #96
 
Glendora (California)
United States of America
the closest equivalent would be 2 in by 4 in by 1/4 in. Also, try asking all your questions in the same thread, as each member is only allowed one build thread per machine.
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  #6  
Old Mon 21 November 2011, 20:27
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
I will be sure to keep keep everything in one thread. I am sure there was an FAQ I was supposed to read somewhere about that.

1/4in is almost 3 times the thickness of what is specified in the drawings. That would seem to add a lot of weight to the gantry. If I needed to go oversize like that, I would think I would be better off with 1/8 wall, if it can be found.

I also just noticed in the similar thread listing,

http://www.mechmate.com/forums/showthread.php?t=232

Too bad that did not pop up before I created this thread.

Last edited by dbinokc; Mon 21 November 2011 at 20:30..
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  #7  
Old Mon 21 November 2011, 20:40
MetalHead
Just call me: Mike
 
Columbiana AL
United States of America
DB - goto the forum main page and look at the sections. In each section there are sticky threads at the top. Read those. Then look in the MechMate's already cutting area and sort on views and start reading through those threads .... did I mention a lot of reading . Also as you read more details of the plans will start to jump out at you.
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  #8  
Old Mon 21 November 2011, 20:43
MetalHead
Just call me: Mike
 
Columbiana AL
United States of America
I merged your threads.
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  #9  
Old Mon 21 November 2011, 21:48
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
OK,thanks.
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  #10  
Old Tue 22 November 2011, 10:19
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
On page 10-30-455P I see a reference to a higher drawing 10-30-400 W, but I can not find it in the supplied drawings. Perhaps it should be referring to drawing 10-30-420W?

I am also guessing that 10-30-455P should also indicate that 2 of these should be made, based off of what is in 10-30-420W?

As a background. I almost always make 3D models first. That way I know exactly what I need to do before I go into the shop and start cutting metal. I almost always find myself regretting it, when I do not go through this process.

2D drawings always have little ambiguites and errors. I like to find those problems before I get into the shop. I will probably have lots of other little "nitpicks" and questions as I go through this process.
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  #11  
Old Tue 22 November 2011, 14:02
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Going over the z-axis drawings I notice what may be a typo.

Drawing 10-40-014A shows as being a 250mm slide, but in the drawing spreadsheet at the beginning of the plans, it shows 10-40-014A as a 350mm slide.

10-40-000 shows as a 250mm slide in both locations, so I am assuming that one is correctly labeled.
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  #12  
Old Tue 22 November 2011, 14:19
smreish
Just call me: Sean - #5, 28, 58 and others
 
Orlando, Florida
United States of America
DB
What release of the drawings do you have? If your referring to the TITLE block in both sets the 10" refers to the stroke distance of the plate, not the actual distance. Use 10 40 330 and 10 40 334 for true length reference of the slide that fits your build requirements. The option allows for an additional 100mm of z-stroke for those needing the extra travel.
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  #13  
Old Tue 22 November 2011, 14:24
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
I do not see an overall revision number for the plans, but I downloaded them from the paid area about 2 days ago.
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  #14  
Old Tue 22 November 2011, 14:28
smreish
Just call me: Sean - #5, 28, 58 and others
 
Orlando, Florida
United States of America
Then you have the current set.
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  #15  
Old Tue 22 November 2011, 14:32
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Ok.
The two drawings I am referring to are the assembly drawings for the Z-Slide Assembly. Both drawings say 250mm.
In the drawing index, one is referred to as 250mm and the other 350mm.
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  #16  
Old Tue 22 November 2011, 14:44
smreish
Just call me: Sean - #5, 28, 58 and others
 
Orlando, Florida
United States of America
Clearly a typo...just know that you have 2 options. Funny, your the first that I know of to pick that one up. With almost 100 known machines, I am certain that little type won't derail the build.

Good luck and don't pain over the drawings - pictures in the forum builds are far more educational. A good pictorial is JR's build.
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  #17  
Old Tue 22 November 2011, 17:03
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Do you have a link to JR's build. When I do a search I find no user with that name.
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  #18  
Old Tue 22 November 2011, 17:22
smreish
Just call me: Sean - #5, 28, 58 and others
 
Orlando, Florida
United States of America
#4 machine build....
http://www.mechmate.com/forums/showt...north+carolina
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  #19  
Old Tue 22 November 2011, 23:34
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
See Drawing problems and revisions required, considered and intended . . . . .

I seem to remember this one listed before, but that would be right place to list drawing problem issues.
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  #20  
Old Wed 23 November 2011, 23:32
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
What are the alternatives to using Antek for the power supply or transformer. I tried emailing them today to get some information about one of their power supplies for a non Mechmate project and was not very impressed with the response. In addition I have seen some posts on this forum about some difficulties when ordering from them.

As a result, I am rather reluctant to place an order with them.
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  #21  
Old Thu 24 November 2011, 00:28
KenC
Just call me: Ken
 
Klang
Malaysia
The power supply transformers technology is over a century old.
Just bring your specs to any transformer people. Google is your friend...
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  #22  
Old Thu 24 November 2011, 05:35
MetalHead
Just call me: Mike
 
Columbiana AL
United States of America
DB - I buy from them all the time. They are a small company but make a solid product.
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  #23  
Old Thu 24 November 2011, 05:55
smreish
Just call me: Sean - #5, 28, 58 and others
 
Orlando, Florida
United States of America
I order 1 or 2 a month from them without issues....along with the sister company Par Metal.
Jon is a good guy....they just have a very busy small business. No worries.
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  #24  
Old Thu 24 November 2011, 15:10
oliver2257
Just call me: Stephen
 
Redwood City, CA
United States of America
DB,

I had occasion to call them a few times for some information and bought a fuse block. I find them to be very responsive. Never tried e mail.
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  #25  
Old Thu 24 November 2011, 16:35
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Thanks for the feedback on them. I will go ahead and give them a try, but it sounds like dealing with them by phone may be better.
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  #26  
Old Sun 27 November 2011, 10:54
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Where does the V=32*sqrt(L) formula for max voltage come from? I see it quoted a lot, but I can find no reference to how it was derived.
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  #27  
Old Sun 27 November 2011, 11:19
Alan_c
Just call me: Alan (#11)
 
Cape Town (Western Cape)
South Africa
Send a message via Skype™ to Alan_c
Gecko drive designer Mariss, see here, section 6
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  #28  
Old Wed 30 November 2011, 08:53
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Can someone point me to some pictures of already wired control boxes.
I am trying to get an idea of how the wire is organized and how the interconnection between components is done.
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  #29  
Old Wed 30 November 2011, 11:24
Alan_c
Just call me: Alan (#11)
 
Cape Town (Western Cape)
South Africa
Send a message via Skype™ to Alan_c
See here post 182 and further down from post 203
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  #30  
Old Wed 30 November 2011, 11:41
dbinokc
Just call me: DB #118
 
Oklahoma
United States of America
Thanks Alan,
That is a great looking layout.
Is there a standard name for the termination blocks and cable connectors you used?
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