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16th August 2011, 10:06 AM #1
After market splitter for old 12" saw
I'm attempting to rehabilitate an old 12" contractor style saw. It has provision for a splitter but not a riving knife. The splitter that came with the saw (unattached to it) was, apart from it being rusty, flimsy and with brittle plastic parts; from a 10" saw and the 12" saw blade hit the guard when fully raised. The metal blade of the splitter was also bent and dangerously misaligned with the blade. It snapped when I attempted to straighten it.
I can't seem to find any aftermarket splitters on the usual retailers websites. I have found a few links to a Delta model in the States, but it looks like it may be out of production now anyway. Lee Valley and Woodcraft seem to only sell plastic micro splitters that fit into zero tolerance plates.
Does anybody know of a source for after market splitters in OZ?
I have tried to work out how I might fabricate my own. I have the original mounting bracket but it isn't quite square to the blade and I will need to shim it somehow to make anything I mount to it align with the blade. I'm also unsure of the material to use. My best guess is to buy a cheap plasterers trowel ($8 at Bunnies) and cut that to shape. I'm not sure how that would work out, I'm guessing it would have to be done using a metal cutting disc in an angle grinder
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16th August 2011 10:06 AM # ADSGoogle Adsense Advertisement
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16th August 2011, 04:57 PM #2
I made a splitter blade out of old saw blade steel but any metal (of the right thickness,at least as thick as the saw blade but less than the kerf) should do. Bevel the leeding edge and ensure it lines up with the blade. It does not need to be fancy. A lot will depend on how it is mounted to the machine. Have you a pic of that bit?
I cut mine with a cutting disc in an angle grinder and shaped on a bench grinder. Saw steel is hard so if I made another I would pick something else. It is only a splitter blade without pawls or a guard mount. When I find the right bit of metal I will do a propper one with guard mount as well.
Regards
John
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18th August 2011, 10:07 PM #3
Here is a pic of the broken guard, it has obviously been out in the weather for a while.
The mounting bracket was pressed over 90 degrees so I spread it a touch with a tap of the hammer on the bend and it now lines up closer to square. It was also offset to the blade, but adding a thin washer packed the splitter out to line up better with the blade. I took to an old saw blade with the angle grinder and cut a new splitter blade. I added the blade guard but it is not much use as the broken perspex just digs into the timber rather than lifting over it. I'll have to get some perspex offcuts and fashion something more serviceable. I haven't added the anti kickback thingies yet.
I think I'll still keep a lookout for one of the easily removable splitters though.
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19th August 2011, 05:19 AM #4
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19th August 2011, 07:35 AM #5
Hi Pat, I've seen these micro splitters advertised as I said in the first post. However not having any real experience to go by, I'm assuming the trouble of making zero clearance inserts and fitting these isn't somewhere I want to go at the moment. I'm just looking to use the saw to break down larger boards.
To use the micro splitter I would also presumably need to work out some other form of blade guard and there is no provision for anti kickback pawls.
Has anybody on the forum used the micro splitter and can give a review?
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24th August 2011, 08:10 PM #6Member
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I've got the Micro Jig splitter fuzzie and it works as advertised, the hassle in making a zero clearance insert is something you would probably benefit from anyway so no harm there, the install of the actual jig is easy with the supplied guide. You just have to make sure you get the right size pack for your blade, comes in a thin and standard kerf size.
As for the overhead guard you could go all the way with Micro Jig and get their gripper ( Micro Jig | GRR-Ripper® | The Ultimate 3D Pushblock System | Safety and Precision on the Tablesaw| How to Cut Wood | Table Saw Cutting | How to Table Saw )
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