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Post by My 2 pennies on Jan 25, 2018 4:41:20 GMT -5
I want to cut shorten the length of my 1.6 rails, I use the saw to cut 900 end panels and 600 worktops. what is the minimum length for safe cuts on this size materials?
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Post by huntsgemein on Jan 25, 2018 18:36:14 GMT -5
There's no hard & fast overhang "standard". It's obviously useful to have some fore & aft overhangs to keep your docking cuts straight & true, but there's a few variables to consider also: will cuts be in situ, on sawhorses, or on a workbench? Will the rail be clamped or do you rely on the stiction of the rubber strips underneath? Do you plunge into the cut or "dry" plunge first to depth & then start cutting?
I'm guessing that 100 or so millimetres ea. end would be a workable min., but don't take my word for it. The best way to determine the min. length required is trial & error using your own personal cutting technique/s. Do a few trial cuts. Start with 100mm o/hang on the lead-in side, then on the tail-out, & check for snipe. Rails are expensive, so the materials "wasted" on trial cuts (which need only be a few mm or so off the length of an existing offcut) will give you the info you need. The minor inconvenience of a rail a few inches too long will more than compensate for the fuckup of a rail that's cut an inch or two short.
As an alternative, & it's not something that I'd personally endorse or do myself, there's always the possibility of using an 800mm rail for the "600s" that you're cutting, which can be used for longer lengths by stopping & repositioning mid-cut. As already stated, the possibility of misalignment, snipe & unnevennes is amplified using this technique, not to mention the time wasted.
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Post by aas on Jan 26, 2018 11:17:48 GMT -5
Assuming maximum plunge depth and the saw fully on the rail - back of saw base lining up with start of rail - for the start of the cut - add 24cm For the exit - the middle of the blade to the front of the saw lining up with the end of the rail - because your panel will be cut once the deepest part of the cut has passed the end of the panel - add 14cm Add these together - +38cm to the length of panel you wish to cut and you'll be good at full depth
For the 600mm worktops, a 980mm rail will be perfect, for 900mm breakfast bar a 1280mm rail.
Obviously, for end panels which are thinner, you gain a couple of cm - and of course you can start the saw off the rail a bit if you really want your rail to be as short as possible - but these figures will always work - 24cm start, 14cm end.
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Post by My 2 pennies on Jan 28, 2018 14:10:20 GMT -5
Thanks that makes sense thanks guys
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