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  #241  
Old Sat 19 March 2016, 10:12
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Quote:
Originally Posted by danilom View Post
Great work Pete and if I may jump in, you acceleration looks too small. Something in a range of 200mm/sec or in inches 8-10 ips. Also if that end mill is in range of 6mm or 1/4" you can do plywood easy in just 2 passes. This accel might be needed for this beast Biesse 335 retrofit I done recently but he Mechmate is much lighter and can be much more maneuverable . Try bumping that accel to 20 or more (600mm/sec) and you may get away with cv on outer corners, that will improve your cut time significantly.
Thanks for the advice Danilom. A lot to learn.

Question? What is the CV you speak of?
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  #242  
Old Sat 19 March 2016, 11:56
Tom Ayres
Just call me: Tom #117
 
Bassett (VA)
United States of America
constant velocity
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  #243  
Old Sun 20 March 2016, 16:16
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Thanks Tom. I checked out what it meant on Mach 3.
So much to learn yet.
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  #244  
Old Fri 25 March 2016, 10:21
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
George is ready for a #

Logos are now installed.
He sure looks pretty.
Attached Images
File Type: jpg Mechmate logoed.jpg (109.6 KB, 167 views)
File Type: jpg Mechmate panel box.jpg (93.3 KB, 166 views)
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  #245  
Old Fri 25 March 2016, 10:37
hflwaterski
Just call me: Herb #126
 
Genesee, WI
United States of America
Nice going Pete and Tony! Looks terrific and very official! It's diploma time!
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  #246  
Old Fri 25 March 2016, 13:41
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Vacuum manifold and filter

We got our vacuum system set up. Built a filter box using a small filter sandwiched into a box.
Boy does it suck down.
Attached Images
File Type: jpg vac manifold.jpg (110.1 KB, 168 views)
File Type: jpg vac filter installed.jpg (75.1 KB, 164 views)
File Type: jpg vac filter housing.jpg (92.5 KB, 165 views)
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  #247  
Old Fri 25 March 2016, 14:00
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
Nice job, Pete.
Ready for a new build thread title yet? Something like " Thank you Darren for hounding me to get off my duff and get this thing done."
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  #248  
Old Fri 25 March 2016, 14:01
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
We could shorten it to "Thank you Darren!!" if you'd like.
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  #249  
Old Fri 25 March 2016, 14:52
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Did the first full sample set of the dovetail on a 45 deg corner. George is amazing.
https://www.youtube.com/watch?v=a36Nj3SR9cU
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  #250  
Old Fri 25 March 2016, 14:54
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Quote:
Originally Posted by darren salyer View Post
Nice job, Pete.
Ready for a new build thread title yet? Something like " Thank you Darren for hounding me to get off my duff and get this thing done."
Works for me.
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  #251  
Old Fri 25 March 2016, 15:23
Tom Ayres
Just call me: Tom #117
 
Bassett (VA)
United States of America
Nice Drawers! I did a few boxes today, not as impressive though. What vacuum motor or pump did you end up with? I really need to "get off my duff" and get a vacuum system together.
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  #252  
Old Fri 25 March 2016, 15:42
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Quote:
Originally Posted by Tom Ayres View Post
Nice Drawers! I did a few boxes today, not as impressive though. What vacuum motor or pump did you end up with? I really need to "get off my duff" and get a vacuum system together.
I bought the Amtek Lamb motors. https://www.grainger.com/product/AME...Code=P2IDP2PCP. I ended up buying them from a company in Texas for around $330 each. I have 2 hooked up to the MM and a 3rd one for my loader. I need to wire them to separate circuits though as the draw 14 amps.
On 5/8 ply , one motor holds well but on 1/4" I need the second motor kicked in.
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  #253  
Old Fri 25 March 2016, 16:20
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
A little MM etiquette....

http://mechmate.com/forums/showthread.php?t=816
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  #254  
Old Fri 25 March 2016, 16:22
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
Pete, do you have the motors seperated with some sort of one way check valve, where the first motor isnt drawing through the second when its off?
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  #255  
Old Fri 25 March 2016, 16:26
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Yes.
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  #256  
Old Fri 25 March 2016, 16:28
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Sorry.
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  #257  
Old Fri 25 March 2016, 16:31
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
Somehow Pete, I thought for sure you would quote me....

BTW, I'm proud of what you've done there. As time goes on, you'll find more and more uses.

It's impressive that someone who remembers the invention of the telephone has embraced technology as much as you have.

Happy Easter.
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  #258  
Old Fri 25 March 2016, 16:45
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
It was the invention of dirt that really excited me.
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  #259  
Old Fri 25 March 2016, 18:55
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
Someone will pop in and make it official but let me be the first to offer congrats to #127 from #101.

Last edited by darren salyer; Fri 25 March 2016 at 18:58..
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  #260  
Old Fri 25 March 2016, 19:22
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Thanks Darren. Your persistence paid off for me and Tony. Once we got on it it went fast.
Monday, George, starts his first full day of work. We have spent the last few days moving equipment to the warehouse. Great feeling. The shop is almost wide open.
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  #261  
Old Sat 26 March 2016, 10:12
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Help!!!!

Cutting out parts and I notice at the end of every run, about an inch long the machine suddenly makes a sideways dive. It does this even in the grooves.

Suggestions as to what I should be looking for to correct this?
Attached Images
File Type: jpg cutting sheet.jpg (86.3 KB, 160 views)
File Type: jpg cutting notch2.jpg (24.4 KB, 160 views)
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  #262  
Old Sat 26 March 2016, 14:59
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
Make sure your toolpaths are closed. If it does it every part, regardless of position, its software related, most likely.
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  #263  
Old Sat 26 March 2016, 15:35
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
It does it every cut.
So I need to debug cut2d then?
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  #264  
Old Sat 26 March 2016, 15:52
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
Debug? No. Make sure all your vectors are drawn correctly with no overlaps or open vectors.
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  #265  
Old Sat 26 March 2016, 15:53
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
These stupid machines do what you tell em to do, not what they are supposed to do.
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  #266  
Old Sat 26 March 2016, 15:55
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
Export your drawing as a .dxf, send it to me and I'll take a look.
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  #267  
Old Sat 26 March 2016, 16:08
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Thanks Darren. Will do.
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  #268  
Old Sat 26 March 2016, 16:14
Kornerking
Just call me: Pete #127
 
Big Falls, Mn
United States of America
Dummy moment. I can save it as a crv. How do I convert it to dxf.

Sheez this is tough on us old guys.
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  #269  
Old Sat 26 March 2016, 16:35
darren salyer
Just call me: Darren #101
 
Wentzville mo
United States of America
File-export-selected vectors to .dxf
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  #270  
Old Sat 26 March 2016, 16:44
islaww
Just call me: Gary C
 
UP of Michigan
United States of America
Pete...
There are 2 things that usually cause the issues you show.

1) Slack somewhere in the machines motion mechanics

2) Accel/decel/feed rates too high

Have you measured the parts for accuracy? Sometimes what looks like the error turns out to be the accurate dimension.

Take some scrap and cut some inside and outside circles of the same size (<6") and measure them to compare. Do one set climb and one set conventional, post results.

Last edited by islaww; Sat 26 March 2016 at 16:47..
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