Mitred MDF Exhibition stand??

[modernist]

I have to make a quick TV screen stand for and exhibition on Tuesday. I have some wenge MDF in stock. Has anyone tried using a lock mitre cutter on the spindle to do the long joints as opposed to biscuits as it would save me taping the edges? I have never understood why the descriptions always say "for solid wood" as they have TC knives. I am hoping if it is clean enough a light sand along the corner would remove the sharp edge.

I know I could try it first but it will alter the cutting list and I don't have a lot of time so hope to tap into the experience here.

[jfc]

Ive done it on a router table so a spindle with a power feed would give even better results .

[modernist]

Ive done it on a router table so a spindle with a power feed would give even better results .

Right I'll give it a go then- thanks

[nickw]

I find it best not to set the cutters to produce an absolutely sharp corner, that way you have a bit of strength in the edge as it rides against the fence/table. Round or chamfer the resulting step away after the joint has been glued up.

[modernist]

I find it best not to set the cutters to produce an absolutely sharp corner, that way you have a bit of strength in the edge as it rides against the fence/table. Round or chamfer the resulting step away after the joint has been glued up.

Yes but it is veneered MDF, that's my concern.

[jfc]

Id leave the peices over size as even the smallest of snipe will stand out alot .

[modernist]

Well I'm amazed, I've never use this cutter before and I was put off after I bought it by the possible problems of splintering the veneer.

I put up a big false fence and set the height to what looked about right. You are dead right about the snipe the fence has to be spot on.



Then adjusted the fence by trial and error until it met evenly. Is it better to set the fence then fine tune with the height? I haven't worked out how it will change yet.



Magic and not even glued up yet. A couple of swipes with 240 to take off the arris and it is spot on.

You could say I was pleased with that

Now for the real thing

[jfc]

Good innit

[nickw]

I find it best not to set the cutters to produce an absolutely sharp corner, that way you have a bit of strength in the edge as it rides against the fence/table. Round or chamfer the resulting step away after the joint has been glued up.

Yes but it is veneered MDF, that's my concern.

Ah yes, sorry, missed the bit about it being veneered.

[karl]

That looks nifty Brian.

I've got to make some speakers later on this year, and might use that technique for the veneered cabinets.

Cheers

Karl

[Mr Ed]

Looks great Brian. Oh for a spindle moulder.....

Do you think it would be equally sharp across the grain of the veneer as it seems to be with the grain?

Ed

[mattty]

I've just never fancied these cutter, but that joint looks excellent mate.

Have you got a link to the cutter please?

[nickw]

Wealden do one as do most other suppliers. Just search for Mitre Lock Cutter. Also available as a router cutter.

[modernist]

Mine is the offering from Hammer but it is identical to the Wealden one. (but was cheaper at the time on offer)

I'll post some more pics tomorrow

I think it is worth checking the Hammer prices for spindle tooling as they often seem to beat the main vendors, especially on their Christmas sale list

[modernist]

Done it now. It does work fine across the grain but the whole issue is avoiding snipe as Jason said at the beginning. On long boards you have to hold down the back edge then move to the front as it passes through but this is not so easy as you are pressing down on a knife edge which crumbles easily. Maybe a guide could help here bearing on part of the mould rather than the edge. The wenge was very brittle and probably not the best choice, the cherry tester was much easier.

I did run the cutter at 6000 and it would stand 9000 which might be better next time.







I had to make the end grain vertical to get all the pieces out of a single board

Long edges were fine



No design tour de force but should keep the 42" screen airborne for 4 days and a worthwhile experiment before I try it on something serious

[woodsmith]

I got the Hammer alloy block and it was cheaper than any others at the time.

I find it best to use it with the power feed, you have to keep constant downward pressure by the cutter to get an even edge.

[modernist]

Just on the subject of Photobucket I have looked at this thread on another PC and the pics are correct, on mine they are sideways

[jake]

They'll be locally cached from before on your other computer. Hard refresh should sort it (F5 I think).

[davyowen]

As has been pointed out on the other occasions when you have mentioned the picture orientation - when you visit a website, it downloads the content and saves it to cache. The next time you load the site it checks to see whether it has any of the files stored to save time.

So if you have uploaded the files wonky, then viewed the forum and then corrected the orientation on photobucket, your computer is probably still showing the files that are stored on your computer rather than what is stored on the PB server. You need to refresh the page, or even delete your cache to guarantee that you are seeing the file as it is on photobucket.

[modernist]

As has been pointed out on the other occasions when you have mentioned the picture orientation - when you visit a website, it downloads the content and saves it to cache. The next time you load the site it checks to see whether it has any of the files stored to save time.

So if you have uploaded the files wonky, then viewed the forum and then corrected the orientation on photobucket, your computer is probably still showing the files that are stored on your computer rather than what is stored on the PB server. You need to refresh the page, or even delete your cache to guarantee that you are seeing the file as it is on photobucket.

I'm an engineer not an IT nerd Davy, I think being told only twice is quite outstanding . Anyway they seem to have corrected themselves while I have been in the workshop this afternoon.

[davyowen]

After re-reading, my post does come across a tad harsh, it wasn't intentional but I do apologise - being hung over does tend to make me a bit grouchy.

[modernist]

After re-reading, my post does come across a tad harsh, it wasn't intentional but I do apologise - being hung over does tend to make me a bit grouchy.

I'm impressed you keep such a close check on my posts Off for a pint now to catch you up.

[modernist]

On second viewing it looks like a coffin with a chimney

Another design classic