Their system lets you create dovetail mortise and tenons for connecting timber without fasteners.

Timber frame dovetail template. You can chisel out mortise and tenon joints in timbers by hand program a cnc milling machine for the task or you can use lignatool s router system. Dovetail joints in timber framing are used to connect roof purlins to rafters and floor joists to girts. Adjust the milling depth on the router with the setting gauge on the tenon template only. 3 75 3 3 4 or 3 3 4 select appropriate angle and overlap to obtain desired log gap.

The dovetail clamping devices are almost always made from a metal base have some form of clamping system and use pressure rods and a comb sometimes called a template for cutting the dovetails. Don t let the simplicity fool you though. Girts are the timbers that support walls and joists are the timbers. Mill the tenon with the router securely locked into guide plate.

The arunda design has been carefully studied from an engineering standpoint to maximize workloads. Timber frame more information create dovetail mortise and tenons in timbers toolmonger woodworking woodprojects woodworkingtools woodworkingtechniques. Position router into guide plate with a 90 rotation. Saved by steve kent.

In fact the arunda dovetail system is a faster way to make strong timber frame systems. Both have sliding fences built in. His method requires less chisel work and streamlines. Set tenon length with set levers on fence.

If you create your own template you might be able to get away with not using a metal base but using standard 3 4 hardwood instead. This is a geometric calculator only. Mount tenon template with clamps or wood screws. Aug 26 2013 how to make a log dovetail template a half joint so that water is shed to the outside of the joint.

Western timber frame patented design the dovetail difference creates an architecturally more responsible structure allowing the wood to perform as nature intended expanding and contracting while keeping a tight joint and the integral portion of the timber intact as illustrated below. The system is comprised of a mortise template and a tenon template. Log dovetail diagram profile front log dovetail diagram profile end log dovetail diagram profile back log dovetail diagram profile complete enter inches as decimal or inch and fraction separated by spaces.

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