How to use the GrooveCenter to set up a Reverse Glue Joint Router Bit

Reverse Glue Joint Router Bit

Collet Axis Pin

$39.50

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Reverse Glue Joint Platform

$19.50

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Perfectly routed glue joints are extremely strong and allow easy self-centering glue-ups.

The Reverse Glue Joint Router bit is one of those router bits that look attractive and easy to set up.
In practice, though, its set-up can be frustrating, and for many woodworkers this router bit has become another one in their collection of most expensive router bits: the ones that remain forever unused.

Unless the set-up is perfect, the joint will show ugly ridges on both sides that need to be planed or sanded off. This requires additional work and of course reduces the thickness of the work piece.

With the help of the GrooveCenter and a couple of small auxiliary parts, Reverse Glue Joint Bits can be set up in no time for perfect results.
As with all GrooveCenter operations, this procedure does not require any measuring, maths or calculations.
It can be executed in minutes for a perfect joint.

Please note that the Platform is router bit / brand specific. It is currently available for Reverse Glue Joint bits from the major manufacturers. Before ordering your Platform, please email us the brand and part number of your Reverse Glue Joint bit so that we can check and confirm availability.

Reverse Glue Joint Router Bit For this sequence two small auxiliary parts are necessary:
-the Collet Axis Pin:
This is a brass pin with a ½” diameter. The upper part is cut back to 1/4”, so that the flat face is located exactly flush with the axis of the router arbor when chucked into the router collet.
-the Reverse Glue Joint Platform:
Shaped to fit around the Router Bit and with router bit specific dimensions.
Reverse Glue Joint Router Bit We will be using the Sommerfeld #01008 Reverse Glue Joint Bit. This is identical to the CMT #855.501.
Reverse Glue Joint Router Bit With the work piece in the GrooveCenter’s Carriage, its Collet Pin is dropped into the router collet. The fence is positioned against the Fence Pin. This fence position is not final, it’s used for the next step only.
Reverse Glue Joint Router Bit With the fence in position, the Collet Axis Pin is chucked into the router. The 2-Axis Depth Gauge registers the distance to the fence. Without disturbing the depth setting, the 2-Axis Depth Gauge is set aside carefully.
Reverse Glue Joint Router Bit Now the Reverse Glue Joint Bit is chucked into the router. The fence insert with narrow slot (necessary for proper contact of the GrooveCenter’s fence pin) is exchanged for one with enough space for this large bit.
Reverse Glue Joint Router Bit The Platform is placed next to the bit.This platform is router brand / size specific and made for that router bit only.
Reverse Glue Joint Router Bit The router bit height is adjusted until its top touches the Depth Gauge’s pin.
Reverse Glue Joint Router Bit Now the fence can be moved to its definite position: flush with the vertical cutter edge.The mating parts are routed face up and face down respectively.
Reverse Glue Joint Router Bit Suspense–does this out-of-focus photo hide success?
Reverse Glue Joint Router Bit Yes, the joint is perfect!

 

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Collet Axis Pin

$39.50

Buy Now

Reverse Glue Joint Platform

$19.50

Buy Now