hughy257
off to a rocking start
Member since October 2012
Posts: 4
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Cubes
Oct 28, 2012 12:00:10 GMT -5
Post by hughy257 on Oct 28, 2012 12:00:10 GMT -5
Does any one have any tips for cutting perfectly square cubes on a Hp 14/16" saw
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The Dad_Ohs
fully equipped rock polisher
Take me to your Labradorite!!
Member since September 2012
Posts: 1,860
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Cubes
Oct 28, 2012 23:12:40 GMT -5
Post by The Dad_Ohs on Oct 28, 2012 23:12:40 GMT -5
Only thing I cam think of is to be sure to take into consideration the thickness of your blade before making any cuts... my 18" lortone has a 1/16" thick cut and when turning in my vise to make a new cut I have to turn it 1 extra turn to allow for the blade.
When you're marking the stone for cutting and putting it into the vise, make sure to align the right die of the blade to the left side of the line to cut that way the cut is true to the size you want. if you cut right on the line make sure to do so with each cut for consistency of size. and your cube should be OK.
I've never cubed before so this is all theory to me.. based on carpentry skills learned a long time ago, should be same principle.
good luck
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hughy257
off to a rocking start
Member since October 2012
Posts: 4
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Cubes
Oct 29, 2012 11:06:58 GMT -5
Post by hughy257 on Oct 29, 2012 11:06:58 GMT -5
Ty, Your advice is more about parallel cutting rather than cube cutting. Cubes need 3 sets of parallel cuts that then have to be exactly 90 degrees to all the other parallel cuts. With wood the boards already come with squared sides and if off a little are easy to sand or plane.
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jspencer
freely admits to licking rocks
Member since March 2011
Posts: 929
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Cubes
Oct 29, 2012 16:15:31 GMT -5
Post by jspencer on Oct 29, 2012 16:15:31 GMT -5
Adding a stop will do the trick. Just clamp a block onto the vise and be sure to clean any debris from betwen the block and the stone to be cut. Then place the stone against it when cutting and all cuts will be the same as you work your way around the cube.
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Cubes
Oct 29, 2012 20:45:52 GMT -5
Post by Rockoonz on Oct 29, 2012 20:45:52 GMT -5
With bookends I use a level on the side of the saw blade and shim up the saw till the blade is perfectly level vertically. Then I put the rock in the vice with the cut side up and use the level in it horizontally. Makes a perfect 90 degree cut. You could use a L-square to check if the back of the saw vice is 90 degrees to the saw blade face. If it is then you have 2 angles covered, all you need to do a cube other than measuring the parallels and setting up a jig to make sure they're all equal.
Lee
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jspencer
freely admits to licking rocks
Member since March 2011
Posts: 929
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Cubes
Oct 29, 2012 22:26:36 GMT -5
Post by jspencer on Oct 29, 2012 22:26:36 GMT -5
I`d think it would be easier to set the vise perpendicular to the blade in the first place than to level for each bookend. It was the first thing I checked on my saw. Just an old habit after a career as a carpenter since the 70`s.
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Deleted
Deleted Member
Member since January 1970
Posts: 0
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Cubes
Nov 5, 2012 15:46:53 GMT -5
Post by Deleted on Nov 5, 2012 15:46:53 GMT -5
Be 100% sure your vice and it's travel are perfectly square to your blade. That is both horizontally and vertically. Without this your cubes will be off.
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