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  #31  
Old Tue 30 December 2008, 07:26
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Jeff & Erick, what you experienced with the laser cut parts snapping together is the power of CNC cutting. Realise that one day you are going to make wood parts that just snap together . . . . . .
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  #32  
Old Tue 30 December 2008, 07:29
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Psst, Erick; your old man has put lots of pics of you up here - can you put a pic of him over here?
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  #33  
Old Wed 04 February 2009, 20:23
jeffa
Just call me: Jeff
 
Iowa
United States of America
Cool We've been quiet, but we're still moving forward...

The MechMate in eastern Iowa continues to move forward. I know we owe the forum some updated pictures. This will follow in the next few days.

Here are some pictures of the 350 mm 'Z' slide...

Regards,

Jeff
Attached Images
File Type: jpg MechMate Z_607x455__001.jpg (123.3 KB, 926 views)
File Type: jpg MechMate Z_607x455__003.jpg (107.8 KB, 925 views)

Last edited by jeffa; Wed 04 February 2009 at 20:47..
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  #34  
Old Wed 04 February 2009, 20:34
jeffa
Just call me: Jeff
 
Iowa
United States of America
As you can see, we used the V-rail on the 'Z' slide also. In doing so, the "tip" of the "V" is moved .188" higher on the assembly. This causes a pretty tight fit between the rectangular tube on the 'Z' slide and the inside of the spider.

Regards,

Jeff
Attached Images
File Type: jpg MechMate Z_607x455__002.jpg (99.0 KB, 924 views)
File Type: jpg MechMate Z_607x455__004.jpg (149.7 KB, 926 views)
File Type: jpg MechMate Z_607x455__005.jpg (132.5 KB, 927 views)
File Type: jpg MechMate Z_607x455__006.jpg (128.4 KB, 924 views)

Last edited by jeffa; Wed 04 February 2009 at 20:50..
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  #35  
Old Wed 04 February 2009, 20:47
jeffa
Just call me: Jeff
 
Iowa
United States of America
To regain Gerald's original design clearance between the 'Z' slide tube and the inside of the spider, we remade the 6 Bearing Support Bases to a height of .625" instead of the 11mm (.433") shown on drawing M1 20 220 T B. This seemed like a good solution and looks to have worked out well.

Regards,

Jeff
Attached Images
File Type: jpg MechMate Z_607x455__007.jpg (102.9 KB, 919 views)
File Type: jpg MechMate Z_607x455__008.jpg (132.8 KB, 923 views)
File Type: jpg MechMate Z_607x455__009.jpg (120.7 KB, 925 views)

Last edited by jeffa; Wed 04 February 2009 at 20:51..
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  #36  
Old Wed 04 February 2009, 20:58
HomeMadeCnc
Just call me: Tim
 
Calgary, Alberta
Canada
Thanks for the updates and great pictures. This is my next assembly to tackle.
Keep up the great work,
Tim
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  #37  
Old Wed 04 February 2009, 21:17
domino11
Just call me: Heath
 
Cornwall, Ontario
Canada
Jeff your solution to the interference problem looks interesting. Some nice progress there!
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  #38  
Old Wed 04 February 2009, 21:34
lunaj76
Just call me: Justin #24
 
Littleton, (Colorado)
United States of America
Send a message via Skype™ to lunaj76
Great pics and progress!
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  #39  
Old Wed 04 February 2009, 22:09
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Thanks for the feedback Jeff & Erick

I was wondering on the weekend how you guys were getting along.

Looks like the V-rail on the z-slide is becoming popular. Sometimes the rail on the front, sometimes on the back. Maybe I need to make a set of drawings for that option . . . But, as you found, fiddling with the height of the support bases makes it all work out.
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  #40  
Old Thu 05 February 2009, 02:46
sailfl
Just call me: Nils #12
 
Winter Park, FL
United States of America
Jeff and Erick

Those pictures of all the V Rails and the button screws bring back memories. Lots of drilling and taping. It makes a heart feel good to see copies.

Good work. Your build is looking good. It won't be long before you will have a breathing, wood eating machine.
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  #41  
Old Sat 04 July 2009, 19:01
jeffa
Just call me: Jeff
 
Iowa
United States of America
Back in the MechMate mode!

Hello again to all.

It's been a while since we've posted on the MechMate Forum. We had a very busy spring this year so unfortunately, we were not able to make too much progress on our machine.

However, we worked on it every now and then, when we could. Also, I've continued to lurk around the forum almost every day to get my MechMate fix... Finally, it got to be too much for me and I had to make another push to move closer to completion.

Here are some photo updates of our progress...


The 'Z' axis moves smoothly through all three sets of V-rollers...
Attached Images
File Type: jpg MechMate01_ 018_607x455.jpg (144.3 KB, 787 views)
File Type: jpg MechMate01_ 019_607X455.jpg (187.9 KB, 784 views)
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  #42  
Old Sat 04 July 2009, 19:11
jeffa
Just call me: Jeff
 
Iowa
United States of America
We were able to get the base frame welded and the V-rails bolted to the aluminum angle. I still need to spend some time getting all of the axis to roll flat relative to the plane of the base table cross members...it's pretty good, but I think with a little more tweeking, I'll be able to get it almost perfect.

We also got the supports for the cable chain welded and attached. And, as you can see, we also got the cable chains fitted.
Attached Images
File Type: jpg MechMate01_ 017_607x455.jpg (150.1 KB, 784 views)
File Type: jpg MechMate01_ 021_607x455.jpg (161.1 KB, 782 views)
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  #43  
Old Sat 04 July 2009, 19:19
jeffa
Just call me: Jeff
 
Iowa
United States of America
We will be mounting the electrical cabinet on vibration isolating mounts. Here are a couple of photos showing this scheme...

And one photo of the electrical cabinet mounted in position.
Attached Images
File Type: jpg MechMate01_ 015_607x455.jpg (157.5 KB, 778 views)
File Type: jpg MechMate01_ 016_607x455.jpg (171.2 KB, 780 views)
File Type: jpg MechMate01_ 022_607x455.jpg (148.9 KB, 774 views)
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  #44  
Old Sat 04 July 2009, 19:26
jeffa
Just call me: Jeff
 
Iowa
United States of America
Just a few last items to finish up and the machanical build will be done.

With any luck and a little more time this weekend, I should be able to get the proximity sensor mounts done and the 'X' axis racks mounted (we already have these welded up to length...we just need to drill a hole in the ends of both racks).
Attached Images
File Type: jpg MechMate01_ 020_607x455.jpg (113.0 KB, 774 views)
File Type: jpg MechMate01_ 024_607x455.jpg (188.3 KB, 773 views)

Last edited by jeffa; Sat 04 July 2009 at 19:47..
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  #45  
Old Sat 04 July 2009, 19:35
domino11
Just call me: Heath
 
Cornwall, Ontario
Canada
Looks like pretty good progress to me! Well done guys!
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  #46  
Old Sat 04 July 2009, 19:37
jeffa
Just call me: Jeff
 
Iowa
United States of America
Everything fit together so well and all axis roll as smooth as butter. A few more hours and we should have the mechanical build done and we can put some blue paint on her...(which will be really good since, as you can see from some of our photos, it's starting to rust a bit).

It's been great getting back into our build!

I was able to purchase an almost new 5 HP HSD ATC spindle off of eBay and I just ordered and received a Delta VFD from the guys at PDS.

Almost time to start the really fun part....

Thanks,

Jeff
Attached Images
File Type: jpg MechMate01_ 023_607X455.jpg (145.7 KB, 775 views)

Last edited by jeffa; Sat 04 July 2009 at 19:45..
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  #47  
Old Sun 05 July 2009, 00:59
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Beautiful stuff, Jeff & Erick! Nice to hear from you again.
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  #48  
Old Sun 05 July 2009, 12:23
jeffa
Just call me: Jeff
 
Iowa
United States of America
Thanks Gerald,

It's nice to be making some forward progress and contributing to the forums again. It sure helps to have the helpful community here to keep us going. Hopefully we'll be able to have our Mechmate moving under it's own power before too long.

Best regards,

Jeff
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  #49  
Old Sat 11 July 2009, 17:23
jeffa
Just call me: Jeff
 
Iowa
United States of America
Blue...Blue Day (part one)

Started to disassemble our machine today to begin the painting process.

I thought I would get a shot of one of the tops of our 'X' axis rail beams. I used a very straight piece of bar stock along with some mark-up paste (blue steel ink), a belt sander and a couple of good squares to bring the tops very close to "true" for the mounting of our 'X' axis rails. We may have to shim a bit, but I hope it is minimal.

This may not have been a necessary step, but I couldn't help it...just my nature I guess...

Jeff
Attached Images
File Type: jpg MechMate01_ 027.jpg (149.9 KB, 646 views)

Last edited by jeffa; Sat 11 July 2009 at 17:32..
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  #50  
Old Sat 11 July 2009, 22:47
jeffa
Just call me: Jeff
 
Iowa
United States of America
Blue...Blue Day (part two)

We started to paint some of the machine components today.

One benefit from building your own MechMate that I've never heard mentioned in the Forum is that if you do things just right, you'll have a pair of shoes to match your new CNC router.

Best regards,

Jeff
Attached Images
File Type: jpg MechMate01_ 026.jpg (159.6 KB, 625 views)
File Type: jpg MechMate01_ 025.jpg (192.7 KB, 621 views)
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  #51  
Old Sun 12 July 2009, 01:16
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Elvis and his blue suede shoes?
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  #52  
Old Thu 07 January 2010, 19:53
jeffa
Just call me: Jeff
 
Iowa
United States of America
Red face We're still alive and kicking.......

Well, at last, a long over due update...and confession...

You may recall from one of our last posts that we were in the process of trying to "tune" our X axis rails and their mounting surfaces in an effort to make the Y axis gantry roll very flat relative to the base table cross members. We were able to get it very close (within about + or - .015" over all areas of the base table cross members). However, no matter how much we tried, we could not get it any closer.

That's when I realized that a "short cut" we (I) had taken on the aluminum rails had come back to bite us in the butt. Because the square-inside-cornered aluminum angle was not as readily available, I purchased aluminum angle (6061 T6) with the radius in the inside corner and I tried to nibble out the radius corner to a square corner with the table saw. Bad idea... This caused the mounting surface for our V-rails to float up and down and created a rail height that was all over the place. Our Y axis rail were able to be salvaged. They are short enough that we were able to mill out the inside corner and remount the V-rails.

Here's a photo of one of our Y axis rails after it was fixed...
Attached Images
File Type: jpg DSC00924.JPG (45.3 KB, 466 views)

Last edited by jeffa; Thu 07 January 2010 at 19:57..
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  #53  
Old Thu 07 January 2010, 20:05
jeffa
Just call me: Jeff
 
Iowa
United States of America
Remaking our X axis rails

Our X axis rails were unable to be salvaged so I ordered the correct aluminum angle this time (I know, I shouldn't have deviated from the plan) and a new set of V-rails.

Here we're tapping the new set of V-rails
Attached Images
File Type: jpg DSC00921.JPG (83.4 KB, 469 views)
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  #54  
Old Thu 07 January 2010, 20:08
smreish
Just call me: Sean - #5, 28, 58 and others
 
Orlando, Florida
United States of America
....ooohhhhh I want a tapping head like that! I had one...then it went missing!
Very nice work. I am watching intently. Only a choice few have the alum rail base and preground rails on top. Good luck!
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  #55  
Old Thu 07 January 2010, 20:23
jeffa
Just call me: Jeff
 
Iowa
United States of America
Setting the height of our X and Y axis rails

Here are a couple of photos of the process we used to set the height of our X and Y axis rails.

First, we bolted our V-rail to our aluminum angle and placed a clamp between each bolt location.

Next, we tightened each mounting bolt and then measured the height of the rail between each mounting bolt.

After determining what the best natural height should be, we adjusted the V-rail up or down by filing a bit or lifting a bit to set both sets of rails to the same height. We were able to set the rail heights to within + or - .0005" along the entire length of each set.
Attached Images
File Type: jpg DSC00925.JPG (82.5 KB, 470 views)
File Type: jpg DSC00926.JPG (69.7 KB, 472 views)
File Type: jpg DSC00927.JPG (67.3 KB, 471 views)
File Type: jpg DSC00931.JPG (49.3 KB, 472 views)
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  #56  
Old Thu 07 January 2010, 20:30
jeffa
Just call me: Jeff
 
Iowa
United States of America
Painting X and Y rail with clear-coat

Both sets of rails are much, much better now.

We are spraying each with clear-coat (no paint on the roller or gear surfaces) and we hope to begin final assembly tomorrow and over the weekend. We have many of our electrical components and we hope to begin laying out our electrical cabinet very soon.

Until our next update (which we hope will be sooner than our last)...

Best regards,

Jeff and Erick
Attached Images
File Type: jpg DSC00928.JPG (68.4 KB, 474 views)
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  #57  
Old Thu 07 January 2010, 20:38
jeffa
Just call me: Jeff
 
Iowa
United States of America
Quote:
Originally Posted by smreish View Post
....ooohhhhh I want a tapping head like that! I had one...then it went missing!
Very nice work. I am watching intently. Only a choice few have the alum rail base and preground rails on top. Good luck!
Sean,

The tapping head in the photo is just a cheap-o unit from Harbor Freight, but it works quite nicely.

Jeff
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  #58  
Old Fri 08 January 2010, 02:17
Claudiu
Just call me: Claus #43
 
Arad
Romania
Professional looking machine...really nice job.
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  #59  
Old Fri 08 January 2010, 02:27
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
I will just repeat what I said 6 months ago:

Quote:
Originally Posted by Gerald D View Post
Beautiful stuff, Jeff & Erick! Nice to hear from you again.
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  #60  
Old Fri 08 January 2010, 19:52
jehayes
Just call me: Joe #53
 
Whidbey Island, Washington
United States of America
Looking very good Jeff: Nice work
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