Showing posts with label woodworking Leigh dovetail jig. Show all posts
Showing posts with label woodworking Leigh dovetail jig. Show all posts

Tuesday, August 16, 2016

Day 2--Scott Meek Plane Class

We made great progress in constructing our planes today. Those blanks, like the Osage orange shown, that were glued with epoxy, came out of the clamps this morning.  We jointed the bottom and one reference edge, then planed the blanks to rough width.
Osage orange plane blank with applied sole in Ipe glued on

The Osage orange blank viewed from the end on; doesn't look like much does it?
 Then we cut the cheeks from the edges, leaving behind a center block to be further cut to accommodate a blade. 
The center sections of two planes marked and partially bandsawn, awaiting further work
We marked up the center blocks for a plane blade bed angle of 45 degrees, except for my Osage orange smoother, which will have a 50 degree bed angle.  We also marked the reverse slope, the shape of which is less critical, needing mainly enough room to get the fingers into the opening to remove stubborn shavings.  These cuts were made freehand (following a line) on the bandsaw.  The bedding angle cut was made on the table saw.

The forward slope was sanded on a belt sander, the bedding slope on a strip of sandpaper attached to a slab of marble.  We filed slight 90 degree bevels on the bottom of the bedding slope.

We measured and made crosspins (not shown) and rounded their tops.

Tomorrow we will drill the locations for the crosspins, install dowels in the front and back corners and glue the cheeks back onto the center blocks.  After allowing time for the glue to set up, we will begin the process of shaping the blanks into something more closely resembling the planes we will take home with us.

Norm

Monday, January 23, 2012

Learning the Leigh Dovetail Jig

Last summer, I purchased the Leigh D4R Pro dovetail jig.  This is the 24-inch model with moveable fingers that will allow me to set any configuration I desire and approximate as closely as possible the spacing and appearance of hand cut dovetails.  I decided on the larger model so I could build large chests if I decide to do so.

The first step is to learn how to cut through dovetails.  This isn't hard--I cut my first one soon after assembling the jig.  I quickly learned several things,  First, tighten the screws on all unused fingers to secure them tightly to the jig.  I didn't the first time I used it.  The vibration from routing caused the loose screws to fall out, and I found myself hunting for them in a pile of sawdust on the floor beneath the jig.  Not fun.  The second lesson is that the router depth for the tail board must be set to exactly the thickness of the pin board.  Otherwise, the tails are likely to stand proud once they're cut.  This has been difficult for me.  The instructions call for marking the tail board with a pencil by holding the pin board to the tail board, then setting the router bit to the center of the pencil line.  I have not yet succeeded in getting the depth set correctly this way.  A friend suggested using a marking gauge to mark the depth, and I think this is a better procedure.  I'll try it next time.

My first project with the dovetail jig is to build a shelf for my hand planes.  It will feature through dovetails on the corners and sliding dovetails for the shelves and upright dividers.  All of this can be cut with the Leigh jig. 

I've decided to buy a second router, identical to the first, so I can leave them set up with the proper bits for cutting pins and tails.  The router I'm using, shown in the photo, is a Porter Cable 691, a D-handled router.  I find it easy to handle on the jig, better than a larger router.

While the jig is going to get a lot of use on various projects, the main thing is I'm having fun with it.  And that's what it's all about, isn't it?

Norm