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10th November 2013, 05:47 PM #1GOLD MEMBER
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Convert marking gauge to veneer slicer
I have purchased a Crown marking gauge, but it is faulty - a manufacturing problem. You can see in the accompanying photo that the angle of the marking steel is wrong, and the closest the tip of this steel can get to the sliding block is about 5mm.
The hole that was drilled through the arm of the gauge for this steel and brass wedge is 7mm on the top side ( through the metal strip on top, and 6mm through the other side where the point protrudes. If I put a 6mm drill bit through this, there is an incline of about 5 degrees
It is no good as a marking gauge, and I was hoping to use it in a jig as a veneer or stringing slicer, as seen in this video, by grinding down an old jigsaw blade, and fitting it to the arm so that it is parallel to the sliding block.
Can anyone please suggest how I could fit this blade to the arm of the gauge?
All ideas and suggestions are very much welcomed. The third pic is from a website, with a rectangular shaped wedge, not the round one that I have
As a last resort, is there anywhere I can purchase a slicing gauge, rather than trying to convert a pigs ear into a silk purse, whatever
P1150210 (Large).JPGP1150215 (Large).JPGcrown marking gauge.jpgregards,
Dengy
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10th November 2013 05:47 PM # ADSGoogle Adsense Advertisement
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14th November 2013, 06:38 AM #2
Hmm, 'tis a bit off, isn't it? Looks like some clown broached the blade slot back to front, so the incline is on the stock side instead of the other way. I would probably have straightened the existing slot back, & eased an incline on the other side where it ought to be, & make a bigger wedge. If you use a thicker blade, such as an old jigsaw blade, for your slitter, you may not need a new wedge. There are a few ways to hold a cutter, but re-making the wedge slot is the simplest option I can think of on the spur of the moment.
Cheers,IW
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14th November 2013, 09:08 AM #3
Square up the existing slot and drill and tap, from the end of the beam, for a retaining screw.
Those were the droids I was looking for.
https://autoblastgates.com.au
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14th November 2013, 09:36 AM #4
Yep, there is plenty of meat between the slot & the end of the beam, so if you've got the gear to drill & tap, it might work. But be aware that most woods don't like being tapped into end grain, & even if you manage to get a useable thread, it will be weak, so treat it kindly.
A more elegant solution would be to insert a brass dowel across the beam and tap that for a retaining screw, something like this:
DF mortise g.jpg
It's not that difficult to do, but does need a bit of care to keep everything centred.
Cheers,IW
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14th November 2013, 01:24 PM #5
Or use the slitter on a Stanley combination plane. I think they are designed for cutting veneers.
Those were the droids I was looking for.
https://autoblastgates.com.au
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22nd November 2013, 09:01 PM #6
Hi Dengy
I would cut a slot at the front of the arm - like a mortice - wide enough for a blade. You can get the blades from LN or you can use one from a cheap knife set or you can make your own.
Here is one of my cutting gauges that I modified for stringing. I have another with a cutting knife. Same principal (just do not have a photo).
Here's one a friend did ...
Regards from Perth
DerekVisit www.inthewoodshop.com for tutorials on constructing handtools, handtool reviews, and my trials and tribulations with furniture builds.
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