zepper
Well-Known Member
- Joined
- Oct 13, 2009
- Messages
- 178
- Reaction score
- 62
Hey guys,
I understand how a table saw's riving knife makes cutting safer by holding the cut open behind the blade, preventing the wood from pivoting, contacting the side of the blade and kicking back.
However, I don't understand why it has two positions—above the blade, for through cuts:
...and even with the top of the blade, for non-through cuts (e.g. kerfing):
It's obvious the knife can't be higher than the blade during non-through cuts. But the rest of the time, what's the advantage of having it higher than the blade? Is there a reason to keep putting it back up there?
I understand how a table saw's riving knife makes cutting safer by holding the cut open behind the blade, preventing the wood from pivoting, contacting the side of the blade and kicking back.
However, I don't understand why it has two positions—above the blade, for through cuts:
...and even with the top of the blade, for non-through cuts (e.g. kerfing):
It's obvious the knife can't be higher than the blade during non-through cuts. But the rest of the time, what's the advantage of having it higher than the blade? Is there a reason to keep putting it back up there?
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