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20th August 2007, 01:53 PM #1
WIP - Doover to upgrade rip fence
One of the drawbacks of using a Triton Workcentre rather than going all out and buying a proper table saw is that the triangular section rip fence, while providing a useful way of cutting 45° bevels, makes it difficult to create some of the jigs that one can use on a table saw such as a tenoning jig or a tall rip fence.
I decided that, rather than just whingeing about this, I might try to come up with a solution. My solution is based on creating a device, based on the finger push supplied as standard equipment, which will enable these kinds of the jigs to be added. This is a WIP, so I haven’t finally tested it (or finished), but I thought I would show you what is happening<o:p>
<o:p>
The features of the device (or, to give it its technical term, doover) that I have completed are:<o:p>
</o:p>- A right angled triangle section of hardwood with a tongue which fits in the slot in the bevel side of the rip fence. To make the right triangle section, I 45° bevelled a piece of hardwood (spotted gum) using the bevel side of the rip fence and laminated it, subsequently squaring the back face. The tongue is also hardwood and sits in a groove cut into the hypotenuse face of the doover.<o:p></o:p>
- To allow astable platform for a jig, the doover is fixed tightly to the fence by a cup head bolt, the head of which is held in the slot on the bevel side of the rip fence - tighten the nut with a tube spanner and the doover will not slide. The reason for using ordinary nuts and a tube spanner rather than some kind of adjustment knob to tighten the cup head bolt was to ensure that both the nut and bolt were both below the surfaces of the doover, in case either the horizontal or vertical face was needed for a particular jig.<o:p></o:p>
· I will install threaded inserts (I propose to use 20 mm, 5/16" inserts) into the top surface of the doover (that surface is parallel (more or less) to the saw table). <o:p>
· Each doover will be finished with standard polyurethane and is then given a coat of Trad Wax to make it slippery.<o:p>
· If the jig you want to use needs to be fixed, put a doover at each end of the rip fence (note, the top surface of each doover is planed to the same height as the other) and tighten the cup head bolt so it won't move, then attach your jig pushing it tight against the fence and fixing it with an adjustment knob which screws into the threaded insert.
My first such jig will be a tall rip fence is which I will make in the shape of a T (lying on its side), the fixing bolts fit into slots cut into the upright of the T rather than holes, the fence will be the crossbar of the T).<o:p>
· If the jig needs to move (for example, a tenoning jig) it can be screwed to one of the doovers and the pressure let off the cup bolt so that it just holds the doover into the slot - the jig can then be moved, attached to the fence rather like the push finger device.<o:p>
<o:p>
I also propose to add a threaded insert which lies in line with the edge of the rip fence. This enables the doover to be used as a replacement for the standard push finger device. In this case, the push finger itself will be made from plywood with an extra piece glued to it so that it operates properly as a push finger.
</o:p><></o:p><></o:p><></o:p><></o:p><></o:p><></o:p><></o:p><><><><>Last edited by scooter; 20th August 2007 at 10:55 PM. Reason: tags
Cheers
Jeremy
If it were done when 'tis done, then 'twere well it were done quickly
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20th August 2007 01:53 PM # ADSGoogle Adsense Advertisement
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20th August 2007, 10:53 PM #2
Looking promising, Jeremy
The beatings will continue until morale improves.
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21st August 2007, 09:41 AM #3
Thanks Scooter - just have to wait for the threaded inserts to be delivered by elraco (the only ones I could find on the weekend were metric and I tend to use imperial stuff for jigs).
Cheers
Jeremy
If it were done when 'tis done, then 'twere well it were done quickly
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21st August 2007, 09:03 PM #4GOLD MEMBER
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Jeremy - see if you can get a copy of the 'old' VHS tape based Triton 'How-to' videos - the tape based ones had stuff on how to set up jigs using bolts in the "T" groove of the fence. This seems to have been deleted from the DVD version.
I think North Sydney library used to have a few copies of the VHS tapes.
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21st August 2007, 09:10 PM #5
Thanks for the tip. I will have a look when I am next at the Stanton Library
Cheers
Jeremy
If it were done when 'tis done, then 'twere well it were done quickly
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6th October 2016, 05:29 PM #6New Member
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