Re: Straightlining lumber
|
? Glen,
For insert, I used Sycamore as I had it around. Not sure if you are going to do anti lift design or not. Here is what mine look like
For 16¡¯ you probably just want straight insert that can be dropped. As for installing, just lay inserts in the slider and place the sled on top ensuring blade side is past the blade. Secure sled in this position and screw from top. When you run it thru blade first time you will have the zero clearance edge to align lumber with.
Imran
toggle quoted message
Show quoted text
On Mar 24, 2021, at 3:59 PM, Glen Christensen <grchris1966@...> wrote: ? Thank you Imran for sharing how you built yours
I just glued 2 3/4" panels of CDX with biscuits? to make 12' ply for my arch form. I was quite surprised how well it worked.
I was going to try the same for the sled and come up with some kind of stiffener. I just ordered the clamps as in the video and was planing to put on three. Cut that slot I think I am going to have to laminate another 1/2"board on the bottom. If i don't carry it around flat I think it will hold together. What material did you use for the insert? I was going to go hard maple but my last batch was all over the place so I am not sure how straight I can get it to stay put. And how to set a 16' strip with any accuracy.
Glen
Alpine Moulding and Millwork Inc.
Mail: ?? P.O. Box 486
?????????? Murphys , CA. 95247 Shop: 441 Pennsylvania Gulch Road ????????? Murphys, CA. 95247
????????? 209-540-7501
LIC # 707507
On Tue, Mar 23, 2021 at 4:16 AM imranindiana via <imranindiana= [email protected]> wrote: Glen,
The video Jonathan shared shows how to make one. I would add few observations from my use of one.
First I made mine with thin ply on each side of 1/2¡± spacers. Being 12¡¯ long I added 4¡¯ length on opposing ends so the joint is offset. I believe it is 3/4¡± thick but not sure if it would be substantially stiffer if I used 1¡± thick wood between plys. It is about 14¡± wide. I do have two ~2¡± wide continuous runs of wood (lengthwise) between plys that line up with 2 slots in the slider.
People with short slider like 76¡± on my KF700 may benefit from having the runner that is captured in slider slot, that is how I did mine. It prevents the sled from lifting but down side is that you have to thread the sled in the slot as opposed to just dropping it down.
Working alone with long pieces it helps to have a stop block screwed on the leading end with a nail in it. I push end grain of the board into nail to fix that end and then move to the trailing end to adjust it without having the leading end move on me.
Now that I have 10¡¯ slider, there is not a great chance of lifting besides 16¡¯ sled is too long to thread.?I will likely experiment with a fixed runner secured in the slider and make sled out of solid material as apposed to box construction of my current sled. One advantage is that it is easier to support the sled with flat bottom (runner not attached to the bottom of the sled). You will need to support the sled if it goes 3¡¯ (just a guess but there about) or more off of the slider. For this reason I lock my slider in middle so support stands stay in one place as sled is moved.
The advantage of solid board vs my box construction is that one can use the dovetail hold downs as shown in video. My original hold downs were just scraps of wood holding down the long edge not being cut. I later added Kreg hold downs with a captured T bolt that is recessed into the bottom surface of sled. With 2 sets of T bolt holes I can handle narrow and wide boards.
Imran ?In my great ability to take on jobs that are over my head, I got a new one today.
I am going to run 2400 of T&G siding. coming to the conclusion that try to do this is going to be down right impossible with my tools my fellow woodworking buddy will run it for me if I pay him for the knives a hundred bucks for wear and tear on the machine and a case of beer. So i need to straight line material before i take it over and I recall that you all make a sled to run longer material than the slider. If I am correct on this , could some of you share a picture of what you built so I can wrap my head around it. My slider is 10 ft and the boards are 16 ft. There is onl 150 of them.
Then what would be the best way to slice the oppisite side?
Thank You all as always.
Glen
|
imran