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#1051
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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
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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 ? |
#1053
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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
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Distilled water
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#1055
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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
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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
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I am running antifreeze and no dog
Will check it from time to time. |
#1058
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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
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Quote:
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#1060
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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 |
#1061
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It has been quite some time and at this point I am having trouble recalling
Ross |
#1062
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I understand, at my age I have the same problem
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#1063
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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
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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
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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. |
#1066
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Hi Nils
Done. |
#1067
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Ummm.. is it that secret? Just watched the video and would be interested myself....
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#1068
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The bit looks similar to what they use on graphite and composites.
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#1069
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#1070
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#1071
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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
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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
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Ross, what are the current accel and velocity settings on your machine ?
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#1074
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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
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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
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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 |
#1077
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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 |
#1078
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I always like seeing different ways things are made. Thanks for sharing.
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#1079
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Cool !!
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