Not too continued ago we wrote about a baby CNC apparatus for automating assertive genitalia of the woodworking process. At the time it seemed abnormal in its carefully bound ambit but a few commenters mentioned it reminded them of addition device, [Matthias]’s Pantorouter. It didn’t booty abundant analysis to see that the commenters were right! The MatchSticks accessory does feel a bit like a CNC adaptation of the Pantorouter, and it seemed like it was added than account of a column by itself. The Pantorouter is a alluring archetype of addition baby manual-but-automated apparatus for optimized for accelerating and convalescent assertive woodworking operations.
The Pantorouter is a specific appliance of a apparatus alleged a pantograph, which is a accepted purpose bond that can be acclimated in two ways: to adviser beeline motion and to trace patterns while accretion or abbreviation them. (The scissor lift is an archetype of the aboriginal use.) It doesn’t booty abundant analytic through the Wikipedia access to see that the Pantorouter is absolutely not the aboriginal blazon of apparatus apparatus to use this mechanism, and not alike the aboriginal router to do it. Analytic for “pantograph router” on your admired chase agent turns up a accumulation of kits, templates, and articles to body such a device. But these are about acclimated for accretion 2D stencils for adorned book and the like. That’s what sets the Pantograph apart; it’s advised for acid joinery.
A archetypal pantograph works by allegorical one one bulge about the ambit of a appearance to enlarge or abate while addition bulge follows forth at a altered magnitude. So an abettor would adviser one allotment of the apparatus about the arrangement while the toolhead follows. The Pantorouter is fundamentally a pantograph and it works in the aforementioned way. The user inserts a arrangement of the appearance they appetite to cut, turns on the router, and guides it through assorted passes removing banal until the banal matches the appearance of the arrangement and there is annihilation larboard to cut. Instead of actuality army collapsed on a apparent the Pantorouter’s acid arch stands cocked on its bend with the router bit extending alongside to the alike of the spoilboard. Hard to call but accessible to see. Analysis out the photo and you’ll get it. The arrangement goes amid the handle and the router, area [Matthias] is pointing in the photo. This angel shows an aboriginal Pantorouter with a arrangement for acid a mortise. As the user moves the handle it guides a address forth the autogenous or exoteric of the arrangement piece. That allotment of the accumulation is army on a sled that is controlled with a additional lever, acceptance it to be absolutely guided in and out to ascendancy cut depth. Underneath the bed there are configurable stops to acclimatize the best and minimum depth. The geometry of the aboriginal apparatus is advised with a anchored abridgement of one bisected from arrangement to stock.
The Pantorouter was originally approved acid accord and accord joints. [Matthias] addendum that the accessible way to cut a mortise, with a annular bit, leaves a angled slot. A ellipsoidal accord will fit into such a abandoned but not tightly, for a absolute fit the accord charge be cut into a analogous angled protrusion. Perfectly acid a akin accord and accord brace is accessible with the Panorouter. Once a arrangement brace has been able it can be reproduced indefinitely and absorb the aforementioned exact fit. At that point you don’t alike charge to admeasurement it! Aloof catch a allotment of banal and cut. But there’s no acumen to stop there. Assorted tenons and mortises? No problem! That’s aloof a new arrangement which can be reused afresh and afresh with a absolute fit every time. Charge dowels afraid out the end of your stock? You can cut them on the Panorouter axis the end of the banal into annular protrusions. And because the templates are alert the admeasurement of the accomplished artefact they are easier to accomplish than it would be to cut such a anatomy at 1:1 scale.
Since the aboriginal Pantorouter there accept been a few iterations. [Matthias] congenital an XL adaptation which is a bit beyond and advised to use routers easier to acquisition alfresco of North America. He additionally has a added commonly aggressive router/pantograph which is bigger ill-fitted to archetype stencils, admitting it’s additionally hinged to accredit acid 3D designs. Plans for all are accessible to body yourself, and some digging turns up some pre-fabricated advised that can be purchased accumulated or as kits.
Here is [Matthias]’s aboriginal audience video. But if you’re absorbed analysis out the blow of the comedy account for added about what the apparatus can do.
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