Showing posts with label BLO. Show all posts
Showing posts with label BLO. Show all posts

Monday, October 17, 2016

Office Desk Build (Final)

In Part 2 of the Office Desk build, I covered the joinery process for the base, which was all mortise and tenons. In the final part, we sort of put a lid on this project by putting the top on and going through the finish.

Top Construction

The tops finish thickness will be 3/4" so I started with 4/4 rough cherry and milled it down. As you may recall in the Part 1 post, I had already laid out what pieces the top would come from. I do find though, that you really don't make that final decision on which pieces go where until you've run the pieces through the jointer and planer and see the true grain patterns. 

The milling process is pretty standard stuff; start with the jointer, get one face flat, then use that face against the jointer fence to get one edge straight and square to the face. Then, over to the planer to get the pieces to their final thickness. Once that is all done, I lay the pieces back out to get the best "show faces" and grain patterns that are most appealing to me.

This pattern was the one I liked the best, so once I have it the way I like it, I put a witness pattern across the pieces so I know which board goes where during the glueing process. Once the glue-up is done, I use my Lee Valley bevel up smoother to get rid of mill marks and any glue residue on the top.


Shaping the Top

While thinking through the design of this desk, I really didn't want to just have a plane square top. I wanted the top to be a little different, a bit more inviting and have a nice look to it. What I came up with was to make the front edge have a concave curve to it. I felt that, this way, you could really get your chair up close to the desk, and have a natural place for your arms to rest nicely. Here is that edge:

Once I formed this edge (on the bandsaw by the way), I used my Lee Valley spoke shaves to create a rounded under bevel on the bottom edge of this curve, which you will see in the finished pictures below. I thought this would be a nice details and trick of the eye and, honestly, I was just playing around with ideas at this point and, since the piece is for me, I can do that.

Finish and Finished Product

The finish on this piece follows the principles I try to usually follow, keep it simple and natural looking. So, for this piece I opted for a Tung oil finish, about 3 coats then a wipe-on polyurethane over that (after letting the oil set for a couple weeks to fully cure). The wipe-on is an oil based, cut 50/50 on the first two coats then about 75/25 on the last two coats. Very light sanding in between coats to remove dust and nibs. I then used 00 steel wool with some furniture wax to rub it out and then buff it to a nice smooth finish. 

Here are a couple photos of the finished product, the first one shows that under bevel on the front edge of the top.

Finished product:

Lessons Learned - What's Next?

As with anything, I like to learn something from a project, whether it is a technique or design element. On this project, I hand chopped my first mortises, which was fun, but a lot of work. I don't think I could have reliably done it with a machine so I was "forced" to learn this method. Second, if I re-think the design, I think I would curve the front apron on the base to look similar to the curve on the top; I think that would have been a nice design element and made the desk even more inviting; maybe next time.

My next project is going to be an outdoor dining table for a friend of mine who recently bought a house. This table will be made from white oak, which is very reliable for outdoor furniture. Check back in, or subscribe to the blog to get updates on this beast of a table!

Tuesday, November 30, 2010

New Project - Book Nook - Part 1

Alright, alright, time for a new project! I was asked to build a children's bookcase that would hold books with the covers facing outward instead of the traditional binding facing outward; kind of a book display really. I did a little research and found these are typically called a Book Nook. These are pretty interesting, and pose some unique challenges, because of the dimensions; typically they are only a foot deep, about three feet tall and about 4 feet wide. What got me was only being a foot deep; I felt that this would make for an unstable design. I did notice in my research that many of them had a way in which to fasten the top of the book nook to a wall for stability.

So, with all this in mind, I decided on the final dimensions and design. This one will be 12" deep, about 42" wide and about 36" tall. It will have 3 shelves with each shelf capable of holding about 4 books side by side and roughly 3 or 4 deep. I also decided that this piece will be made in cherry and the finish will be BLO and shellac, no stain.

My first order of business as was to make a trip to Peach State Lumber and get the cherry I would need for the project. I decided I wanted 8/4 cherry so I could resaw it for the sides, since I knew I would have to glue two pieces together. I literally had to go through the entire pallet to find the boards that would work for me, but sometimes you have to do that. So, here are the boards I picked up:
I did get more than I needed because I will be using the rest for another project once I'm done with this. My first order of business was to mill the lumber square so I could resaw it on the band saw. Some of this required the use of hand tools, which I don't mind.
Once that was done, they were resawn on the band saw and laid out for glue up. Here you can see the book matched pieces, ready for glue up. I always make some kind of witness mark on the boards so I know exactly how they should be put together.
Once I had both side panels glued up, it was now time for the tedious process of laying out for the 3 shelves. I wanted them to be equally spaced both vertically and horizontally. I did this by laying them back-to-back so that I could just transfer the lines from one to the other and know they were in perfect alignment. Here are the two side pieces laid back-to-back with the insides facing up.
Also note that I make sure to mark the grain direction; that is was the arrows are for. This just helps me keep everything flowing the same direction. Next, I had to do all the layout lines, which took a good while because I wanted to be exact and there were some design features that I had to take into account. After the layout was done, I used a router to rout out a 3/8" deep dado for each shelf and then used chisels to square up the dados.
So, my next order of business is to mill up the pieces that will be for the front and bottom trim. These trim pieces will serve multiple purposes. First, they will have a dado in them that will allow them to fit into the shelves so that will help to keep the shelves from sagging by adding support. Next, they will stick up from the front edge of the shelf about 1" which will provide a lip for the books to set into so they don't fall off the shelf and lastly, the will have a profile on them to add character. Once I have those trim pieces done, I will also begin to build the back of the shelves. That is all I've got for now....

Be Safe!

Saturday, November 7, 2009

CA Finish for Pens - Part 2; An Observation

In one of my previous posts I commented on my success and failures of using a CA finish on some of my pens. I've been tinkering with it a bit more with some more success, but I've made a few observations about the success, or lack of success in some cases, I am having.

First, I've noticed that if you use more than, say, two coats of CA, the pen will have a plastic feel. This makes total sense because the CA is an acrylic of sorts so the more you add, the more "plastic" you get. The advantage to this is you get a rock hard finish that will last nearly forever.

Second, the wood makes a difference. I've tried using a few different types of woods; cherry, tiger maple, paduk and rosewood. For some reason, it seems to me that the harder woods such as cherry, paduk and rosewood seem to do better than a softer wood such as maple. I have had success with maple, but it just seems more finicky than the other woods.

Third, one thick coat goes a long way. How I have had good success is to use a good coat of BLO. I apply this by wet sanding with 1000 grit paper and wiping the access with a rag. Then, with the lathe off, I apply the CA to the pen while rotating the mandrel by hand and quickly rubbing back and forth. I go around, quickly, three or four times, then stop. Next, I let that sit for a while to harden and cure, then I come back and wet sand with BLO, but this time with 2000 grit paper. I then increase the speed and apply BLO to a rag and wipe the whole thing down and apply slight pressure to heat the BLO into the pen, if you will.

This method has given me the most success so far. The other thing I really like about it is you do get a good protective CA finish on the pen, but it does not feel like plastic and retains the warmth of the wood underneath. But, this is all one person's observations, I would love to hear your take and your method for finishing.

Be safe!