William - a video works wonders - photos also help (a lot).
are you free-hand routing or on a table ?
are you free-hand routing or on a table ?
Tom, I purchased the set of two magnetic guides. They were much too expensive, in my opinion. I was desperate. I have found a way to set the bit with just a straight edge and it is very, very close to perfect. I have found the thickness of the wood stock is everything. And they vary. Oh, I am a novice. A novice novice.Hi, that is a very tricky bit, requiring exact setup, and woe to thee if it isn't super sharp. Also, this is a bit that is used in a table, freehand is not the way to use it, and if you're using it freehand,
Making multiple passes, taking off only about 1/8th per pass is one way to do it, but it can be difficult to make all end pieces identical in length. More on that in a minute.
Are you using a backer of some sort? That would be a piece of wood behind the workpiece so after the bit cuts the piece, it then goes into the backer. I like to use 3/4 MDF blocks, cut square, to push the piece through. If it is tearing out at the beginning of the cut, the bit may no longer be sharp. Sharpening this bit is fairly easy with a card sharpener, but you can also have it sharpened professionally. Youtube has videos on sharpening router bits. It doesn't take much to tune them up.
If these fixes don't help, and if you get tearout at the beginning of the cut, you can try adding a backer to the front as well, which should stop it.
Now, this is a simple way to set up a table and fence for easy and exact multiple pass cuts, and always end up with the exact same final piece again and again. Find a spot where your fence's left end sits. Drill a 1/4 inch hole. Turn the fence over and drill a matching hole. This will allow you to set the fence precisely, and then you can just move the right side down in an arc until it is in the exact right position. Mark that spot on the table top and then you have the final setting. You can work the other way too, star so you get your first, second, third and then final pass. Mark each position on the table, then the final position. Now you can perfectly repeat you cut over and over.
Getting that bit to line up is a challenge, but you can purchase some tiny jigs that make it easy to set the height. Those bits come in two sizes, depending on the thickness of your workpiece. Here's a picture of the lock miter jig. It's magnetic, so you clip it on, then align the mark to the centerline and that's it.
Hope this is helpful.
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Hi, Yeah, getting all the pieces to the same thickness is a bear. Usually requires a planer of some sort. Or using your router with a wide, flat bit and a special, shop built sled.Tom, I purchased the set of two magnetic guides. They were much too expensive, in my opinion. I was desperate. I have found a way to set the bit with just a straight edge and it is very, very close to perfect. I have found the thickness of the wood stock is everything. And they vary. Oh, I am a novice. A novice novice.
I don't have much in the way of tools. I am a disabled veteran, and am just trying to keep busy so I don't lose my mind.
Once I figure out how to get photos and videos, I'll begin posting them so folks can see what I am up to and what I have to work with.
Infinity Tools sells them. About $60 for both. Lock Miter Master JigsHello fellow members,
It is interesting and educational reading the posts in this forum.
My question is; were did you buy the small jig for the lock mitre bit.
I have never seen them before.
Geoff
William it's unclear if you are using a router table or free handing these attempts. As mentioned a table is really needed and the amount of cut per pass can be very important. This video on Infinity Tools shows and explains the use of the bits and setup. If you haven't seen this give it a look and then ask about what you may be having issues with. Also keep in mind that a bit that size needs to be running at a slower rpm and base that on the chart in this article.Hello folks. I have just joined as a regular member - not Premium. I have not easily found a place to create a thread. I did find something and think I have asked the Admin about this. Not sure. And now I found this place to "reply".
I have been working with a 45 degree lock miter bit for a few months now. Learned a lot. Except.............for routing stile cuts on the end of a board. My bit is a cheaper Yonico bit. I keep it clean. It appears to be sharp enough. It cuts nicely with the grain, but it just destroys the wood when I make a vertical cut. I am a novice at this. I guess I am talking about a coping cut? I don't know for sure.
The wood gets torn out along the miter. The inner lip get chunked out on Poplar wood and on the softer wood (the cheap stuff from New Zealand that Lowe's sells) it'll even tear out sometimes huge strips of wood on the interior part of the miter cut. I do not understand what is happening. I just know I am making a lot of firewood and am quite frustrated.
Someone please help. I hope I described this well enough you can get a mental image of what I am doing and what the result is. I'll try to find a way to get a pic or even a short video of what I do on here.
Thanks.
To also help eliminate tear out with end grain, you might consider a "coping sled". Many don't care for MLCS, but this type may help. MLCS coping sled. As you can see, the backer piece on the sled, helps to eliminate or minimize tear out.
You may want to check out this "coping sled" from Rockler. it has no miter slot guide. It sleds along the fence. It's easy to also build. Rockler coping sled check out one of the tabs of the left for Stump Nubs 60 second video on the use and why to use a coping sled.It helps to run a backer board at the tail end of the pass. This will help eliminate tear out at the end of cut, because your work peace end up being a through pass against another piece of wood.
I make shadow boxes that hang flush to the wall out of 1x3s. I use a cleats to hang them. I'll post some pics here in a few days.What are you trying to make using the miter bit?
I have seen that video a few times. THANKS for the link to the bit speed article. Very interesting.William it's unclear if you are using a router table or free handing these attempts. As mentioned a table is really needed and the amount of cut per pass can be very important. This video on Infinity Tools shows and explains the use of the bits and setup. If you haven't seen this give it a look and then ask about what you may be having issues with. Also keep in mind that a bit that size needs to be running at a slower rpm and base that on the chart in this article.
That is ok, but I need something better than what I have devised to hold vertically oriented stock. I'll post some pics and video of what I do as soon as I can. Y'all will think I am nuts.To also help eliminate tear out with end grain, you might consider a "coping sled". Many don't care for MLCS, but this type may help. MLCS coping sled. As you can see, the backer piece on the sled, helps to eliminate or minimize tear out.
I do that. Saw the tip somewhere and tried it. Sure makes a difference!It helps to run a backer board at the tail end of the pass. This will help eliminate tear out at the end of cut, because your work peace end up being a through pass against another piece of wood.
Personally, I don't use them. I bought them. They are perty. That is as far as I got with them.Hello fellow members,
It is interesting and educational reading the posts in this forum.
My question is; were did you buy the small jig for the lock mitre bit.
I have never seen them before.
Geoff
Is the purpose to make the joint look different at the corners or for strength? If it's to make it look different then you could use a contrasting wood spline. If it's for strength I wouldn't think that a 1x3 would require much more than good glue and a pin nail.I make shadow boxes that hang flush to the wall out of 1x3s. I use a cleats to hang them. I'll post some pics here in a few days.