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Dovetailing Mortise and Tenon System

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What usually comes to mind when you think of dovetails in wood is quality craftsmanship and superior joinery strength. That kind of woodwork is costly because it takes time and skill to achieve. But that's where the ARUNDA Dovetail System can help.


Here's how it works. The ARUNDA System uses a male jig to cut the dovetail tenon and a female jig to create the dovetail mortise. The cutting is done with the powerful Mafell LO65EcMidi Router coupled with the ARUNDA Dovetail Router Bit.

A-dove-2      A-dove-3
A-dove-4      A-dove-5

Imagine how solid a floor system with dovetailed floor joists would be. It's not hard to fabricate with the ARUNDA Jigs. In fact the ARUNDA Dovetail system is a faster way to make strong timber frame systems. Don't let the simplicity fool you, though. The ARUNDA design has been carefully studied from an engineering standpoint to maximize workloads.

A-dove-6   A-dove-7

Advantages of Using The ARUNDA Dovetailing System

Speed: 8 to 18 dovetail mortise/tenon joints per hour.

Ease of Use: requires little work space to use the jig; easy to set-up and move from one beam to the next.

Precision: the timbers are drawn solidly together by the self-tightening dovetail joinery.

Flexibility: can be used on perpendicular joints (floor joists), or angled joints (roof systems).

Versatility: usable on a wide range of timber widths, from 2" to 11-1/2", and can be used for new construction as well as for restoration work.

Time-Saving: same router bit is used to make both mortise and tenon parts.

Quality: produces tight-fitting, strong assembly.

Strength: workloads of up to 3740 lbs per joint.

Mobility: just as easy to use in the workshop as on the job site.

Economy: less expensive, more satisfying and more authentic than metal connectors.

Although ARUNDA jigs come in several sizes, one size usually fits your most common applications. The jigs are available with either a fixed fence (the B series) for 90 degree cuts, or with an adjustable tilting fence (the N series) for angled cuts.

The prices listed below are for a complete set, excluding the router. A complete set includes the male and female jigs, a dovetail router bit with reversible blades installed, two extra pairs of reversible blades, an expansion plate to be fitted on the router, a depth gauge to properly install the dovetail bit on the router, a guide ring that fits on the router and screwdrivers for assembly.

Click here for a visual schematic of the best size ARUNDA plates for your timber sizes.

Series Jig Model Intended Timber Width Max Bearing
Price for
Complete Set
B-Series 50 "B" series 1-3/4" - 4-0" 1,672 lbs $3,300.00
80 "B" series 3-1/8" - 5-1/2" 2,178 lbs $3,380.00
120 "B" series 4-3/4" - 8-0" 3,630 lbs $3,620.00
160 "B" series 6-0" - 12-0" 4,620 lbs $3,880.00
N-Series 50 "N" series 1-3/4" - 4-0" 1,672 lbs $4,190.00
80 "N" series 3-1/8" - 5-1/2" 2,178 lbs $4,270.00
120 "N" series 4-3/4 - 8-0" 3,630 lbs $4,560.00
Complete set includes:
- ARUNDA Jigs for male and female dovetails
- ARUNDA Dovetail bit with two reversible carbide blades
- ARUNDA guide ring for router
- ARUNDA expansion plate for router
- ARUNDA positioning gauge for setting dovetail depth
- 1 additional pair of reversible carbide blades for the dovetail bit

For more information on the ARUNDA Dovetailing System, click here [.PDF, 1.5MB].

To see how the ARUNDA Dovetailing System can be used to make roof systems, click here [.PDF, 1.7MB]

For additional information on applications for N series ARUNDA adjustable tilting jigs, click here [.PDF, 883KB].

The Optimum Router

ARUNDA evaluated several routers and determined that the Mafell LO65EcMidi has the optimum performance. It meets all the design features of the strict ARUNDA specifications. Click here for more information about the LO65EcMidi. For the same router with fence, click here. Also of interest, read Reasons to use the Mafell LO-65Ec with the ARUNDA System.
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Portions Copyright © 1999-2017 Tay Vaughan, All rights reserved.