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Thread: Crosscut sled question
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27th October 2019, 08:17 PM #1Member
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Crosscut sled question
Hi,
Just wondering why nearly all the crosscut sled designs, apart from this one Table Saw Cross Cut Sled - Canadian Woodworking Magazine don't seem to cutout the entire tilt range (45 degrees on my Sawstop Jobsite) of the blade, they usually just have the cutout at the standard 90?
Thanks.
Richard
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27th October 2019, 08:28 PM #2GOLD MEMBER
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maybe just a question of how much chipping you're prepared to tolerate? If you cut at multiple angles on the same sled, you loose the 'zero clearance' effect.
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27th October 2019, 09:26 PM #3Member
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Thanks Bernmc!
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28th October 2019, 08:53 AM #4SENIOR MEMBER
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I've seen some with a replaceable inserts. One used for 90s and one used for 45s. So you would need to have a cut out section of about 50 to 60mm. in a dovetail shape
Like this one ..... YouTube.
The other advantage of replaceable inserts is the kerf will eventually get chipped so you'll lose the effectiveness of zero clearance so you simply replace it with another one. To get a good tight fit this insert would need to have angled sides. One other piece of advice. My first crosscut sled had the works. I got carried away. Dust collection, perspex guards, hold downs, stop blocks, T Tracks, threaded inserts, miter fences etc etc, it ended up so heavy I dismantled it and made 2 "simpler" more usable sleds.
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28th October 2019, 04:15 PM #5SENIOR MEMBER
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Looking at that article it makes me cringe for new woodworkers. Clearly written by someone who hasn't made one before and has over cooked the idea.
The vast majority of the times I've used my sled its to make 90 degree cuts, the other times is 45 degree cuts. Much easier to just make 2 separate sleds then to try and cut the arc to accommodate a range of angles.
Plus i'd imagine that arc would reduce the rigidity of the sled significantly.
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29th October 2019, 08:44 AM #6Member
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I keep the design simple and made two sleds.
Mine are made for accuracy not show and when they wear I make a new one.
Cheers
John T
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29th October 2019, 03:04 PM #7
What they said. Two separate sleds are infinitely preferable to one half-arsed "universal" sled. As soon as you've used that sled design for both 90 and 45 degree cuts, it's essentially trashed.
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29th October 2019, 04:17 PM #8
I agree with Tonzeyd. That article does not give any information on why the 'front' fence is shaped with a quarter circle cut out. It would prove no aid in making a tilted cut other than perhaps ensuring the constructor didn't put a screw through the base close enough to any potential cut line of the blade and even then you could argue the void should be a different shape unless your blade also tilts to -90 degrees.
Franklin
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