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8th January 2006, 04:34 PM #1
Using the Rocker mortising jig to rout the pins of half-blind dovetails
Forum members who have made my mortising jig may not have realised that the jig can conveniently be used for be used for routing away the waste between the pins of half-blind dovetails.
It is easy enough, with a dovetail guide, to hand-cut the tails of half-blind dovetails, but Dark-Side methods for cutting the pins are time-consuming and laborious. I clamp the outer face of the pin board against the vertical support of my jig, with its edge butted against the underside of the horizontal platform, and use the fence and the stops to define a rectangular area between the pins from which the waste is routed away, using a solid carbide spiral upcut bit. It then only requires a minor amount of chisel work to remove the small triangular areas of waste in the corners of the sockets between the pins.
Rocker
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8th January 2006, 11:01 PM #2Banned
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very much like the woodrat method, rocker!!!
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9th January 2006, 08:38 AM #3
It's the jig that just keeps jigging
"I don't practice what I preach because I'm not the kind of person I'm preaching to."
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12th January 2006, 05:54 PM #4
Here is a picture of some deep sockets on the pediment board of my clock that were routed on my jig, using a 3/8" spiral upcut bit; I would not have fancied the task of chopping them out with a chisel, though I suppose there are some masochists on the Dark Side who might have enjoyed it. Routing each socket took only a couple of minutes at the outside. The amount of waste remaining to be chiselled out is minimal.
Rocker
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12th January 2006, 07:07 PM #5Originally Posted by Rocker
I wouln't have thought much more than twenty minutes to mark, saw and chisel those - all by hand, quite possibly less. Think of the satisfaction, and none of that screaming router and dust everywhere
Cheers!
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12th January 2006, 07:55 PM #6
Steve,
I think I would rather knock my head against a brick wall for 20 minutes. I reckon it would take me at least 20 minutes to do each one by hand, and the end result would be pretty untidy, but then I have never aspired to acquiring Dark-Side skills.
Rocker
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12th January 2006, 08:06 PM #7Originally Posted by RockerBlowin in the Wind
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