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Thread: Your opinion please
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31st May 2009, 11:04 PM #1New Member
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Your opinion please
I have been making laminex benchtops but when I trim them with the router(a Ryobi 4RT1250vn has a half inch shaft-- very New) I get a scraping from the blade on the laminex. I think the shaft may be bent . This happened on previous attempts damaging the face Thinking the edge was not at 90 degrees to the top I brought a pattern bit (torquata)to get a strait edge at 90 degrees . After usig the same bit to do the edging Damage occurred to the edging When the bearing showed to be damaged .I have now change to the shorter bit and have the minium length of blade showing What do you think thanks in advance. Desparate!
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31st May 2009, 11:16 PM #2
Are you absolutely 100% certain that the edges were machined perfectly square to the top before laminating?
(Just eliminating the obvious.)
- Andy Mc
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31st May 2009, 11:25 PM #3
are you using a bearing tip cutter. what size is the cutter
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31st May 2009, 11:48 PM #4New Member
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31st May 2009, 11:51 PM #5
If the shaft was bent it would shake the sh... out of you. Maybe the bearing on the cutter is the wrong diameter (too small)
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1st June 2009, 12:00 AM #6
If the bearing was too small then I'd expect it to be scraping for the full width of the blade, not "tapering off" like that.
I agree about a bent shaft vibrating, though.
Dean, do you have access to another router you can try instead?
- Andy Mc
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1st June 2009, 12:47 AM #7New Member
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No.
No I dont but I did buy a second Pattern maker and that two had the same result .But it does vibrate to the extent that it does vibrate the depth adjustment undone if the speed was adjusted to the max.The reason it doesnt cut the whole width is because I now using a shorter trimming bit and using the very tip of the cutting edge and the bearing is fitting just below the laminex
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1st June 2009, 06:26 PM #8SENIOR MEMBER
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One other variable that you need to watch is whether you are holding the base of the router flat on the top of the bench. A tilt upwards of the base could put the cutter in touch with the side of the laminate - just the same as if the corner were not machined accurately square.
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1st June 2009, 06:56 PM #9
Try running 1-2 layers of masking tape along edge where the bearing would run along. This should allow the laminex overhang a fraction which should be easy to sand flush.
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1st June 2009, 07:10 PM #10
I think I would be resorting to the tried and true method of using a file rather than a router. It seems a bit of a heavy duty tool to be using on laminex edging. Basically all you do is run the file down over the edge you want to trim and keep working your way along ...
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1st June 2009, 11:09 PM #11China
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Are you using a 45deg cutter or a staight cutter
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1st June 2009, 11:43 PM #12
How old is the router? Its worn bearings can allow such play. Dirty Collet can allow alignment variances, etc. Could be sever other factors. Just throwing thoughts your way. BTW I have bought some expensive bits that are not up to snuff, so...?
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1st June 2009, 11:48 PM #13
It could also be adhesive stuck to the cutting edge therefore sticking outside the diameter of the bearing.
The other thing to watch out for is to adjust the bit so that there is the minimum of cutting edge overlapping, the more overlap the more chance of this happening.
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3rd June 2009, 12:11 AM #14New Member
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So far.
This is what I have been doing of late to get to the next piece.But on Monday I brought another router , the same type to compare but this router is showing the same symtoms exaxtly the same ,vibrates when you turn the speed up to its max .I havent done any trimming as yet .will have to wait till next weekend .But at this stage its indicating both the bits ,both torquata bits. with both bits when you turn it on they both wobble at the end as the machine slows down to almost stopped .A third bit from Bunnings does not wobble All three bits are 1/2 inch shafts Does this sound right .Thanks to all that have replyed at this stage
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3rd June 2009, 12:17 AM #15New Member
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