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  #1051  
Old Sat 06 September 2014, 12:45
danilom
Just call me: Danilo #64
 
Novi Sad
Serbia
Ordinary clear tubing, with G12 antifreeze (for aluminium) diluted 1/2 works for me and couple of friends for last 4 years in chinese spindles.
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  #1052  
Old Sat 06 September 2014, 15:25
Fox
Just call me: Fox
 
Amsterdam
Netherlands
So the documents say No, and the real life experience says Yes... what to make of it ??

Danilo, diluted with tap water ? Or deionized water ? your lines are porbably PVC then right ?
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  #1053  
Old Sat 06 September 2014, 15:26
pblackburn
Just call me: Pete #98
 
South-Central Pennsylvania
United States of America
Tap water has too many impurities in it. I would just mix it with distilled and you will be fine.
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  #1054  
Old Sat 06 September 2014, 15:28
danilom
Just call me: Danilo #64
 
Novi Sad
Serbia
Distilled water
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  #1055  
Old Sat 06 September 2014, 15:46
servant74
Just call me: Jack
 
Nashville (Tennessee)
United States of America
Just because water or oil 'breaks it down', doesn't mean we should not use it. Just remember it MAY be a disposable solution when using it. ... No harm, no foul.
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  #1056  
Old Sat 06 September 2014, 15:54
pblackburn
Just call me: Pete #98
 
South-Central Pennsylvania
United States of America
Water will not but glycol may. Food Service PU will be more resistant. But I was not saying not to use it. I use PU on mine, however, caution should be taken when using anything without evaluating all the factors involved. For instance, if you have a dog that likes to chew or is attracted to antifreeze. This could prove to be a nightmare. So it is up to the individual to make their own choice.
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  #1057  
Old Sat 06 September 2014, 17:48
Fox
Just call me: Fox
 
Amsterdam
Netherlands
I am running antifreeze and no dog
Will check it from time to time.
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  #1058  
Old Sat 06 September 2014, 21:00
KenC
Just call me: Ken
 
Klang
Malaysia
I am running antifreeze in Pneumatic PU pipe w/o dog but lots of rats, gave up on checking routine checking long time ago...
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  #1059  
Old Sun 07 September 2014, 09:26
Fox
Just call me: Fox
 
Amsterdam
Netherlands
Quote:
I am running antifreeze in Pneumatic PU pipe w/o dog but lots of rats
Maybe you need the dog
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  #1060  
Old Sun 24 May 2015, 01:59
racedirector
Just call me: Bruce #122
 
New South Wales
Australia
Hi Ross

Hope your beast is doing well. A question from the past.... when you elongated the holes in your X rails, how did you do that? I will need to do the same with mine to give me more adjustment.....

Cheers
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  #1061  
Old Sun 24 May 2015, 02:06
Surfcnc
Just call me: Ross #74
 
Queensland
Australia
It has been quite some time and at this point I am having trouble recalling
Ross
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  #1062  
Old Sun 24 May 2015, 02:08
racedirector
Just call me: Bruce #122
 
New South Wales
Australia
I understand, at my age I have the same problem
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  #1063  
Old Sun 24 May 2015, 22:46
clarson66
Just call me: Chris & Leon #100
 
Adelaide
Australia
Elongated holes

Pretty sure we used a die grinder bit, $25 to $30 for a air die grinder Supercheap or Bunnings and around $20 for a bit.
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  #1064  
Old Sun 24 May 2015, 23:19
racedirector
Just call me: Bruce #122
 
New South Wales
Australia
Cool, thanks for that. Never even thought of a die grinder. I have 2 of them, just need some bits
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  #1065  
Old Tue 02 June 2015, 03:57
sailfl
Just call me: Nils #12
 
Winter Park, FL
United States of America
Ross,

On post 1038, you have a new bit that you used to cut MDF. Would you please provide some more details on the bit. Could you PM me with the details.

Thank you.
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  #1066  
Old Tue 02 June 2015, 04:05
Surfcnc
Just call me: Ross #74
 
Queensland
Australia
Hi Nils

Done.
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  #1067  
Old Tue 02 June 2015, 06:14
racedirector
Just call me: Bruce #122
 
New South Wales
Australia
Ummm.. is it that secret? Just watched the video and would be interested myself....
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  #1068  
Old Tue 02 June 2015, 06:28
pblackburn
Just call me: Pete #98
 
South-Central Pennsylvania
United States of America
The bit looks similar to what they use on graphite and composites.
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  #1069  
Old Tue 02 June 2015, 06:33
racedirector
Just call me: Bruce #122
 
New South Wales
Australia
AHa, I think you're right Pete:

http://www.toolstoday.com/p-6194-sol...keywords=46133
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  #1070  
Old Tue 02 June 2015, 06:35
pblackburn
Just call me: Pete #98
 
South-Central Pennsylvania
United States of America
And here http://www.onsrud.com/xdoc/composite-cutting-tools
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  #1071  
Old Tue 02 June 2015, 11:08
servant74
Just call me: Jack
 
Nashville (Tennessee)
United States of America
Tools

Depending on what you are cutting, but I was talking to a guy that cut a LOT of MDF. He found diamond encrusted tools lasted longer than carbide. They lasted about twice as long. I haven't tried that, just thought I would pass along the suggestion.
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  #1072  
Old Tue 02 June 2015, 11:20
pblackburn
Just call me: Pete #98
 
South-Central Pennsylvania
United States of America
I have a friend that works in fiberglass industry and that is what they use. Rotary diamond coated cutters. Inexpensive based on life of the tool and the speeds you can run are faster than than most Mechmates can run (they cut off the extrusions at 1500 IPM) but the downside is you really need excellent dust management. I would not see how MDF would be much different but like I said if you can manage the dust appropriately it would be the way to go.
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  #1073  
Old Tue 02 June 2015, 12:32
Fox
Just call me: Fox
 
Amsterdam
Netherlands
Ross, what are the current accel and velocity settings on your machine ?
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  #1074  
Old Tue 02 June 2015, 17:47
racedirector
Just call me: Bruce #122
 
New South Wales
Australia
I am interested in what Ross used because I have alwayschad problems cutting 3mm MDF. I have mainly used 3mm/1/8th down and upcut bits and the finishvhas been nothing like what is shown in the video.
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  #1075  
Old Wed 03 June 2015, 00:29
clarson66
Just call me: Chris & Leon #100
 
Adelaide
Australia
I use a 2.4mm straight cut, you get pretty good finish with a quick sand any swarf is gone. I cut shapes for a craft person do up to 300 at a time, while a sheet is cutting I'm cleaning the previous ones.
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  #1076  
Old Wed 03 June 2015, 04:16
Surfcnc
Just call me: Ross #74
 
Queensland
Australia
Hi All

I see you have figured it all out in my absence.
As Pete says they are dusty but the finish is one a lazy man can quickly grow to love.
Also correct on the diamond coated bits.
I know of a fiberglass fin guy and he uses a lot of those as the glass is very prone to blunting the tools.

In G10 (or an epoxy and fiberglass panel in everyday terms) the tool life of the burr type cutters far exceeds that of a good quality two flute carbide bit.

Have a good time playing everyone.

PS still making a surfboard or two for myself every now and then.
Some things never change !

Regards
Ross
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  #1077  
Old Wed 16 September 2015, 20:34
Surfcnc
Just call me: Ross #74
 
Queensland
Australia
Composite Surfboard Skins

Hi all

The Mechmate is still the best tool in the shed.
This time the machine made a good layup table and then cut some fiberglass skins out for me.

3 x 4Oz layers of fiberglass cloth are layed up on a waxed melamine sheet.
Dry
Image00001.jpg
Wet Out
Image00003.jpg

Once dry the skin is peeled off the waxed sheet and mounted for machining.

Machined Skin
Image00004.jpg
Image00002.jpg

The finished skins are then vacuum bagged onto a shaped EPS foam surfboard blank.
I'm sure fellow Mechmate owner Red_boards knows all about this .

Regards
Ross
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  #1078  
Old Thu 17 September 2015, 09:32
pblackburn
Just call me: Pete #98
 
South-Central Pennsylvania
United States of America
I always like seeing different ways things are made. Thanks for sharing.
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  #1079  
Old Sun 20 September 2015, 11:05
Robert M
Just call me: Robert
 
Lac-Brome, Qc
Canada
Send a message via Yahoo to Robert M Send a message via Skype™ to Robert M
Cool !!
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