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Router guide cutting bits/ bearings
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lukelucas93 View Drop Down
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    Posted: 13 June 2012 at 2:48pm
Can any cab builders help me out I want a couple of these to use with my jig however all the ones I'v found have had too long a shank I'm probs just looking for the wrong thing or maybe some where that sells a bearing kit
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shagnasty View Drop Down
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Points: 4693 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shagnasty Quote  Post ReplyReply Direct Link To This Post Posted: 13 June 2012 at 5:41pm
Too long?? Most routers have a bed that goes up and down to allow you to set a cutting depth, explain what jig you have and what you are trying to do and I may be able to help...
 
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lukelucas93 View Drop Down
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Points: 540 		Post Options Post Options   Thanks (0) Thanks(0)   Quote lukelucas93 Quote  Post ReplyReply Direct Link To This Post Posted: 13 June 2012 at 6:30pm
Right I have a 12mm jig/ template and want the depth of the channel to be 5mm the cutting edge only has to be 7mm then the bearing above this blade will have to sit against the jig edge.... hard to explain
I'll see if i can throw a little diagram together

Edited by lukelucas93 - 13 June 2012 at 9:28pm
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shagnasty View Drop Down
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Points: 4693 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shagnasty Quote  Post ReplyReply Direct Link To This Post Posted: 13 June 2012 at 7:02pm
I see, what i would do is fix a bit of 18mm(or whatever you need to loose the extra depth) under your template so you can get a tidy 5mm cutter protrusion, if you have 12mm template you have some adjustment there as the bearing is usually about 5mm so a 35mm cutter would work for you...
 
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lukelucas93 View Drop Down
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Points: 540 		Post Options Post Options   Thanks (0) Thanks(0)   Quote lukelucas93 Quote  Post ReplyReply Direct Link To This Post Posted: 13 June 2012 at 9:27pm
Originally posted by shagnasty shagnasty wrote:

I see, what i would do is fix a bit of 18mm(or whatever you need to loose the extra depth) under your template so you can get a tidy 5mm cutter protrusion, if you have 12mm template you have some adjustment there as the bearing is usually about 5mm so a 35mm cutter would work for you...
 

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Thats the little diagram this hopefully makes more sense

Edited by lukelucas93 - 13 June 2012 at 9:29pm
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shagnasty View Drop Down
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bee View Drop Down
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the smallest cutters i have like this are 20mm in length.... as allready said can you not raise the template up by using some batton..... normally i use a collet on my routers instead of bearing cutters.....
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shagnasty View Drop Down
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Originally posted by bee bee wrote:

the smallest cutters i have like this are 20mm in length.... as allready said can you not raise the template up by using some batton..... normally i use a collet on my routers instead of bearing cutters.....
batons won't work you need a bit of MDF of similar the same size as the template, I have template laser cut in steel to use a 30mm collect but if you have a 1:1 template you can use teh cutter shown, you just need to use a bit of scrap sheet to space it out, personaly I would mark the shet with template and then jig-saw/freehand route it a bit bigger than the cut lines so the sheet isn't heating up the cutter, when you do this you MUST have either good extraction of blow compressed air into the cut line to stop the bit clogging up with dust....
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lukelucas93 View Drop Down
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Points: 540 		Post Options Post Options   Thanks (0) Thanks(0)   Quote lukelucas93 Quote  Post ReplyReply Direct Link To This Post Posted: 14 June 2012 at 12:21am
Can someone to link me to a supplier for these cutters i cant find any small ones
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dlyxover View Drop Down
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http://www.toolstation.com/shop/Power+Tool+Accessories/Router+Bits/Router+Bit+Template+Cutter+14+12+x+1/d80/sd2579/p85323
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johnatron View Drop Down
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when i rebate cabs i use an 18mm straight cutting bit then use a 30mm guide bush to to keep the cutter centered in the 30mm channel on the template. 
I find using bearings on templates over and over the messes up the template.
I always do a dry fit on a piece of scrap mdf just to make sure the template is true.
You'll probably need a new jig tho if you  have an 18mm profile on your jig

like the diagram below
 
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dlyxover View Drop Down
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Ive been making jigs tonight.

Used a 10mm bit with a 30mm guide bush but have been making jigs for handles and connector plates and top hats.

I would agree with johnatron for rebaiting. 

using bits with bearings I've found fatigue your jugs rather quickly. 
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