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#1
Posted to rec.woodworking
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cast iron router table top?
Hello all,
I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've pretty much decided on the larger Triton (TRB001) because it looks like the height adjustment will work reasonably well under the table and the bits can be changed above the table - this way I can avoid any fancy raisers or tilting table tops etc. I know Triton went bust a while back but it looks like they're back in business - does anyone know if they're still being msde in Oz and if the quality is still there? The table is a bigger problem - it seems they easily cost more than the router. Oh dear. My initial plan was some cobbled together birch ply thing, but at the least I'd have to get some kind of inset plate, and I'd probably always struggle to get the thing flat. And if it's not flat it's going to be a total pain to use! So I thought maybe I should buy the top, and a fence, and just build the base. Maybe the veritas top, though it's pricey and small. But if I'm going to do that wouldn't it make sense to just buy a large cast iron top, because that would be, and stay, reliably flat? Here in the UK the choices seem to be: Record Power - http://www.recordpower.co.uk/index.p...LIDING%20TABLE for around £300 Charnwood - http://www.charnwood.net/ProductDesc...&stockref=W015 for around £280 I wonder if anyone has any experience of these, and whether they're worth bothering with. I have the Record Power drill press and it's pretty rubbish, and even though a flat bit of cast iron shouldn't be too much to ask my guess is that the rest of it will probably be fairly ropey. All opinions gratefully received. graham. |
#2
Posted to rec.woodworking
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cast iron router table top?
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#3
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cast iron router table top?
I will say that if you buy a good insert plate you should be able to
easily get it well placed in a table of your choice. Some plates include leveling screws themselves and if not there are a few very easy and very good was to add some set screws. It will be your least expensive method. Does the Triton support above the table height adjustment? Many routers now days do and many router plates are already setup with the appropriate access hole. I know the Freud routers have the capability although some people will rail against them, I am happy with mine and use it in this way sometimes with the plate that came with it in a bundled kit. On Mar 5, 7:08*am, graham wrote: Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've pretty much decided on the larger Triton (TRB001) because it looks like the height adjustment will work reasonably well under the table and the bits can be changed above the table - this way I can avoid any fancy raisers or tilting table tops etc. I know Triton went bust a while back but it looks like they're back in business - does anyone know if they're still being msde in Oz and if the quality is still there? The table is a bigger problem - it seems they easily cost more than the router. Oh dear. My initial plan was some cobbled together birch ply thing, but at the least I'd have to get some kind of inset plate, and I'd probably always struggle to get the thing flat. And if it's not flat it's going to be a total pain to use! So I thought maybe I should buy the top, and a fence, and just build the base. Maybe the veritas top, though it's pricey and small. But if I'm going to do that wouldn't it make sense to just buy a large cast iron top, because that would be, and stay, reliably flat? Here in the UK the choices seem to be: Record Power -http://www.recordpower.co.uk/index.php?section=product&seq=663&cat=18... for around £300 Charnwood -http://www.charnwood.net/ProductDesc.jsp?cat=15&stockref=W015for around £280 I wonder if anyone has any experience of these, and whether they're worth bothering with. I have the Record Power drill press and it's pretty rubbish, and even though a flat bit of cast iron shouldn't be too much to ask my guess is that the rest of it will probably be fairly ropey.. All opinions gratefully received. graham. |
#4
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cast iron router table top?
SonomaProducts.com wrote on 05/03/2010 17:20:
I will say that if you buy a good insert plate you should be able to easily get it well placed in a table of your choice. Some plates include leveling screws themselves and if not there are a few very easy and very good was to add some set screws. It will be your least expensive method. When I mentioned the problem of flatness, I was thinking of the table as a whole. The preferred method of construction seems to be a thick piece or two of MDF with some kind of smooth surface layer laminated to it. Especially if glueing 2 pieces I can see it being tricky to ensure they are absolutely flat (without a suitable reference surface to glue on, which I don't have). Does the Triton support above the table height adjustment? yes it does, and that's a big attraction, along with some kind of rack-and-pinion height control which should be easy to work when it's under the bench. When the router is cranked up the shaft lock engages automatically. I believe the newer model also has above table height adjustment, though a number of people seem to have problems with it. Many routers now days do and many router plates are already setup with the appropriate access hole. The Triton was the only one I was aware of, until I happened across the Freud 3000 just before your post! I know the Freud routers have the capability although some people will rail against them, I am happy with mine and use it in this way sometimes with the plate that came with it in a bundled kit. The Freud looks reasonable, and the 3000 appears to have some kind of above-table adjustment too - can anyone comment on whether it's any good? snip |
#5
Posted to rec.woodworking
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cast iron router table top?
On 3/5/2010 10:08 AM, graham wrote:
Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've pretty much decided on the larger Triton (TRB001) because it looks like the height adjustment will work reasonably well under the table and the bits can be changed above the table - this way I can avoid any fancy raisers or tilting table tops etc. I know Triton went bust a while back but it looks like they're back in business - does anyone know if they're still being msde in Oz and if the quality is still there? The table is a bigger problem - it seems they easily cost more than the router. Oh dear. My initial plan was some cobbled together birch ply thing, but at the least I'd have to get some kind of inset plate, and I'd probably always struggle to get the thing flat. And if it's not flat it's going to be a total pain to use! So I thought maybe I should buy the top, and a fence, and just build the base. Maybe the veritas top, though it's pricey and small. But if I'm going to do that wouldn't it make sense to just buy a large cast iron top, because that would be, and stay, reliably flat? Here in the UK the choices seem to be: Record Power - http://www.recordpower.co.uk/index.p...LIDING%20TABLE for around £300 Charnwood - http://www.charnwood.net/ProductDesc...&stockref=W015 for around £280 I wonder if anyone has any experience of these, and whether they're worth bothering with. I have the Record Power drill press and it's pretty rubbish, and even though a flat bit of cast iron shouldn't be too much to ask my guess is that the rest of it will probably be fairly ropey. All opinions gratefully received. First, read through everything on http://www.patwarner.com. Pat's one of the good guys and he knows his stuff with regard to routers. That said: Make your own top. Getting it flat enough from two pieces of 1/2 or 3/4 ply or MDF is no trick at all. You can buy an insert plate or make one from acrylic or polycarbonate or phenolic that will work fine. It's just not that hard to do and it's a good exercise in using the router. A sheet of melamine on top gives you a nice smooth working surface. New Yankee Workshop has plans and a howto video for a very nice router table http://www.newyankee.com/getproduct.php?0301. "Woodworking with the Router" http://www.amazon.co.uk/Woodworking-Router-Professional-Techniques-Woodworker/dp/1565234391/ref=sr_1_1?ie=UTF8&s=books&qid=1267809827&sr=8-1 has plans for a very similar design and IIRC for a couple of simpler ones. Pat's site refers you to an issue of Fine Woodworking with a howto on his quite excellent fence, which is a thing of beauty--that article is available online but you have to have a subscription to Fine Woodworking Online Edition. If you want something with more range of adjustment an Incra or Jointech would be a good bet--you'd do better to spend there than on a top IMO. graham. |
#6
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cast iron router table top?
On Mar 5, 9:08*am, graham wrote:
Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've pretty much decided on the larger Triton (TRB001) because it looks like the height adjustment will work reasonably well under the table and the bits can be changed above the table - this way I can avoid any fancy raisers or tilting table tops etc. I know Triton went bust a while back but it looks like they're back in business - does anyone know if they're still being msde in Oz and if the quality is still there? The table is a bigger problem - it seems they easily cost more than the router. Oh dear. My initial plan was some cobbled together birch ply thing, but at the least I'd have to get some kind of inset plate, and I'd probably always struggle to get the thing flat. And if it's not flat it's going to be a total pain to use! So I thought maybe I should buy the top, and a fence, and just build the base. Maybe the veritas top, though it's pricey and small. But if I'm going to do that wouldn't it make sense to just buy a large cast iron top, because that would be, and stay, reliably flat? Here in the UK the choices seem to be: Record Power -http://www.recordpower.co.uk/index.php?section=product&seq=663&cat=18... for around £300 Charnwood -http://www.charnwood.net/ProductDesc.jsp?cat=15&stockref=W015for around £280 I wonder if anyone has any experience of these, and whether they're worth bothering with. I have the Record Power drill press and it's pretty rubbish, and even though a flat bit of cast iron shouldn't be too much to ask my guess is that the rest of it will probably be fairly ropey.. All opinions gratefully received. I'd spend more money on a router lift and fence before a cast iron top, but that's me. |
#7
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cast iron router table top?
On Mar 5, 9:39*am, graham wrote:
SonomaProducts.com wrote on 05/03/2010 17:20: way sometimes with the plate that came with it in a bundled kit. The Freud looks reasonable, and the 3000 appears to have some kind of above-table adjustment too - can anyone comment on whether it's any good? snip If you glue two pieces of 3/4 mdf together they can pretty much only be flat. They are not going to warp unless you really work at it. I think if you do a search on this newsgroup for Freud you will find up and down comments. I have no prob with it accept for the on-off switch which seems flakey until you figure out how to use it. But if you are in a table and have it connected to an external switch, no problemo. |
#8
Posted to rec.woodworking
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cast iron router table top?
wrote in message ... On Mar 5, 9:08 am, graham wrote: Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've pretty much decided on the larger Triton (TRB001) because it looks like the height adjustment will work reasonably well under the table and the bits can be changed above the table - this way I can avoid any fancy raisers or tilting table tops etc. I know Triton went bust a while back but it looks like they're back in business - does anyone know if they're still being msde in Oz and if the quality is still there? The table is a bigger problem - it seems they easily cost more than the router. Oh dear. My initial plan was some cobbled together birch ply thing, but at the least I'd have to get some kind of inset plate, and I'd probably always struggle to get the thing flat. And if it's not flat it's going to be a total pain to use! So I thought maybe I should buy the top, and a fence, and just build the base. Maybe the veritas top, though it's pricey and small. But if I'm going to do that wouldn't it make sense to just buy a large cast iron top, because that would be, and stay, reliably flat? Here in the UK the choices seem to be: Record Power -http://www.recordpower.co.uk/index.php?section=product&seq=663&cat=18... for around £300 Charnwood -http://www.charnwood.net/ProductDesc.jsp?cat=15&stockref=W015for around £280 I wonder if anyone has any experience of these, and whether they're worth bothering with. I have the Record Power drill press and it's pretty rubbish, and even though a flat bit of cast iron shouldn't be too much to ask my guess is that the rest of it will probably be fairly ropey. All opinions gratefully received. I'd spend more money on a router lift and fence before a cast iron top, but that's me. Actually a Triton comes with built in lifting and adjustment provisions, there would be no place to attach an aftermarket lift. |
#9
Posted to rec.woodworking
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cast iron router table top?
"graham" wrote in message ... Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've pretty much decided on the larger Triton (TRB001) because it looks like the height adjustment will work reasonably well under the table and the bits can be changed above the table - this way I can avoid any fancy raisers or tilting table tops etc. I know Triton went bust a while back but it looks like they're back in business - does anyone know if they're still being msde in Oz and if the quality is still there? I am not so sure they went bust as they have always been available in the US. I heard about their marketing problems however I think it was a region thing. Anyway, I have a Triton hanging under a BenchDog table, not the cast ioron one. Actually, BenchDog table fence and free stanging cabinet. I want for nothing different. www.benchdog.com CMT markets a very similar set up. |
#10
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cast iron router table top?
On Fri, 05 Mar 2010 17:39:58 +0000, graham wrote:
When I mentioned the problem of flatness, I was thinking of the table as a whole. The preferred method of construction seems to be a thick piece or two of MDF with some kind of smooth surface layer laminated to it. MDF will sag over time, but you can avoid that if you're willing to remove the router when not using the table. Or build a torsion box and use that for the table. -- Intelligence is an experiment that failed - G. B. Shaw |
#11
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cast iron router table top?
On 3/5/2010 4:20 PM, SonomaProducts.com wrote:
If you glue two pieces of 3/4 mdf together they can pretty much only be flat. They are not going to warp unless you really work at it. I think if you do a search on this newsgroup for Freud you will find up and down comments. I have no prob with it accept for the on-off switch which seems flakey until you figure out how to use it. But if you are in a table and have it connected to an external switch, no problemo. gasp this was NOT a top post?!! -- www.e-woodshop.net Last update: 10/22/08 KarlC@ (the obvious) |
#12
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cast iron router table top?
On 3/5/2010 8:06 PM, Larry Blanchard wrote:
On Fri, 05 Mar 2010 17:39:58 +0000, graham wrote: When I mentioned the problem of flatness, I was thinking of the table as a whole. The preferred method of construction seems to be a thick piece or two of MDF with some kind of smooth surface layer laminated to it. MDF will sag over time, but you can avoid that if you're willing to remove the router when not using the table. Or build a torsion box and use that for the table. Mine has had a 3 HP Porter-Cable hanging under it for going on 10 years now and hasn't sagged. If your inch and a half thick MDF is sagging you got ripped off. |
#13
Posted to rec.woodworking
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cast iron router table top?
On 3/5/2010 7:06 PM, Larry Blanchard wrote:
On Fri, 05 Mar 2010 17:39:58 +0000, graham wrote: When I mentioned the problem of flatness, I was thinking of the table as a whole. The preferred method of construction seems to be a thick piece or two of MDF with some kind of smooth surface layer laminated to it. MDF will sag over time, but you can avoid that if you're willing to remove the router when not using the table. Or build a torsion box and use that for the table. In the same way that Sonoma suggested elsewhere in this thread, I made my router table about 10 years ago by gluing two big 32" x 43" x 3/4" pieces of MDF together (using contact cement), then covered all six surfaces (top, bottom, and sides) with thick white phenolic laminate (i.e., "formica"; and again, using contact cement). That sumbitch has stayed dead flat ever since, and my big 3HP 3612C never leaves the table. -- See Nad. See Nad go. Go Nad! To reply, eat the taco. http://www.flickr.com/photos/bbqboyee/ |
#14
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cast iron router table top?
On 5 Mar, 15:08, graham wrote:
Here in the UK the choices seem to be: Build it http://www.codesmiths.com/shed/works.../router_table/ |
#15
Posted to rec.woodworking
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cast iron router table top?
On Fri, 5 Mar 2010 16:35:15 -0600, "Leon" wrote:
wrote in message ... On Mar 5, 9:08 am, graham wrote: Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've pretty much decided on the larger Triton (TRB001) because it looks like the height adjustment will work reasonably well under the table and the bits can be changed above the table - this way I can avoid any fancy raisers or tilting table tops etc. I know Triton went bust a while back but it looks like they're back in business - does anyone know if they're still being msde in Oz and if the quality is still there? The table is a bigger problem - it seems they easily cost more than the router. Oh dear. My initial plan was some cobbled together birch ply thing, but at the least I'd have to get some kind of inset plate, and I'd probably always struggle to get the thing flat. And if it's not flat it's going to be a total pain to use! So I thought maybe I should buy the top, and a fence, and just build the base. Maybe the veritas top, though it's pricey and small. But if I'm going to do that wouldn't it make sense to just buy a large cast iron top, because that would be, and stay, reliably flat? Here in the UK the choices seem to be: Record Power -http://www.recordpower.co.uk/index.php?section=product&seq=663&cat=18... for around £300 Charnwood -http://www.charnwood.net/ProductDesc.jsp?cat=15&stockref=W015for around £280 I wonder if anyone has any experience of these, and whether they're worth bothering with. I have the Record Power drill press and it's pretty rubbish, and even though a flat bit of cast iron shouldn't be too much to ask my guess is that the rest of it will probably be fairly ropey. All opinions gratefully received. I'd spend more money on a router lift and fence before a cast iron top, but that's me. Actually a Triton comes with built in lifting and adjustment provisions, there would be no place to attach an aftermarket lift. My lift attaches to the base plate. But that still leaves the fence. |
#16
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cast iron router table top?
On 3/5/2010 9:08 AM, graham wrote:
Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've admired this shop-built table since I first saw it: http://www.woodcentral.com/shots/shot666.shtml -- Morris Dovey DeSoto Solar DeSoto, Iowa USA http://www.iedu.com/DeSoto/ |
#17
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cast iron router table top?
On Mar 6, 6:41*pm, Morris Dovey wrote:
On 3/5/2010 9:08 AM, graham wrote: Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've admired this shop-built table since I first saw it: * *http://www.woodcentral.com/shots/shot666.shtml -- Morris Dovey DeSoto Solar DeSoto, Iowa USAhttp://www.iedu.com/DeSoto/ Keith made a beautiful job of that. All I would do differently is due to my access to quartz. A solid black quartz top wouls be just loverly. r |
#18
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cast iron router table top?
On Sat, 6 Mar 2010 16:35:38 -0800 (PST), Robatoy
wrote: On Mar 6, 6:41*pm, Morris Dovey wrote: On 3/5/2010 9:08 AM, graham wrote: Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've admired this shop-built table since I first saw it: * *http://www.woodcentral.com/shots/shot666.shtml -- Morris Dovey DeSoto Solar DeSoto, Iowa USAhttp://www.iedu.com/DeSoto/ Keith made a beautiful job of that. All I would do differently is due to my access to quartz. A solid black quartz top wouls be just loverly. ....and paint it Ridgid orange? ;-) |
#19
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cast iron router table top?
The table is a bigger problem - it seems they easily cost more than the
router. Oh dear. Personal Opinion Follows: I know this sounds blasphemous but how perfect of a table do you need? One of the most gifted woodworkers I have met used a pretty basic table to do beautiful work (CAREFULLY). It consists of a piece of plywood with a very ugly Formica top that he got from a scrap pile. He used a Rousseau phenolic plate. His fence was a piece of 2x with a notch cut out for the bit and held to the table with two clamps. Mine is a little nicer but still cheap. It is mounted between the wings of my table saw and consists of a double layer of 3/4" Baltic birch P/W banded with oak. I too use the Rousseau plate. My fence is much more elaborate; adapted from some of the commercial tables. The framework is Baltic birch P/W and the face is MDF. The face uses sliding lower panels (for bit clearance) and a T-rail. It also has a dust collection port that works pretty well with my shop vac. With the exception of the dust port fittings and some threaded lever handles, the entire table came from my remnant bin. The point is.....If you have that bunch of tools in your shop, a little web-surfing, ingenuity and the scrap bin can often provide a good solution. RonB |
#20
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cast iron router table top?
Nice base - made to look like a cast iron machine.
Martin Morris Dovey wrote: On 3/5/2010 9:08 AM, graham wrote: Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've admired this shop-built table since I first saw it: http://www.woodcentral.com/shots/shot666.shtml |
#21
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cast iron router table top?
Morris Dovey wrote:
On 3/5/2010 9:08 AM, graham wrote: Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've admired this shop-built table since I first saw it: http://www.woodcentral.com/shots/shot666.shtml Yep. Keith Bonn used to post here. That was an awesome table project. -- There is never a situation where having more rounds is a disadvantage Rob Leatham |
#22
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cast iron router table top?
Wow, thanks for all the responses guys, you've been a great help.
I've taken on board the points of simplicity and sufficiency and will go the build route. I can always change it later.. My plan now is a simple benchtop table, a box made of 3/4" birch ply (because I have some), with webs from side to side to support the top (ie. enable me to clamp the top down to it when I fail to make it properly flat). For the top I'm uncertain - I could use more birch ply, or go the MDF route. Either way I'm uncertain of the laminating - surely wide areas like this require a great deal of force to provide enough pressure on the glue joint? And with all that force (presumbaly via curved battens) it seems likely that the panels will flex and then set non-flat? Adding the Formica (UK trade name for phenolic sheet) ditto, and that's not cheap stuff either - though I could always (not) add this later.. For starters I think I might just go with a single sheet of thick mdf/ply - whatever the yard has in. Biggest issue of the moment is what insert plate to buy - I want to be able to get the router nice and high for bit changing, so I don't want to clamp it to the underside of a thick table. Phenolic seems to be the material of choice - strong and more vibration damping than aluminium. I'm inclined to either the Kreg (http://www.kregtool.com/products/prs...?PRODUCT_ID=95) or Woodpecker (http://www.woodpeck.com/tlrphenolicplate.html) as both have solid fixing reducer rings. Is there anything to choose between these? There is also one made by Trend (http://www.trend-uk.com/en/UK/produc...rt_plate_.html) which interestingly has a 0.8mm crown; I'm not convinced this is a good idea - surely a flat table with a flat plate is the best?? It also has snap-in reducer rings which doesn't seem great if a guide bush is then used in that. On the subject of guide bushes, the only ones in that screw-in style seem to be made by Trend (bottom of this page http://www.trend-uk.com/en/UK/produc...e_Bushes.html), and extend 6.35mm - ie. just a bit more than you'd want for a template made of 1/4" material! What's the point in that? I'll probably knock up a simple fence with something like this http://www.tilgear.info/products/88/...and_dust_hood/ and use that until I know what I really want. thanks again, graham. ps - I bought the Freud FT3000 for its above table features (above table bit changes, shaft locks when fully raised, height adjustment from above the table - it seems like a basic but functional router). It felt more solid and I liked the collet better than the big Triton (I especially dislike the triton insert for the 1/4", not that I suppose I'll use many 1/4" bits). |
#23
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cast iron router table top?
On Sat, 06 Mar 2010 20:31:18 -0700, the infamous Mark & Juanita
scrawled the following: Morris Dovey wrote: On 3/5/2010 9:08 AM, graham wrote: Hello all, I'm about to buy a router primarily for table use, plus a table! I don't have a lot to spend, so... I've admired this shop-built table since I first saw it: http://www.woodcentral.com/shots/shot666.shtml Yep. Keith Bonn used to post here. That was an awesome table project. Hey, _I_ remember Bonn, Keef Bonn! I preferred it in blue tape. Now it looks like a Naval deli counter. If it weren't gray, it'd be a nice deli counter, though. -- The blind are not good trailblazers. -- federal judge Frank Easterbrook |
#24
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cast iron router table top?
On 3/7/2010 4:01 PM, graham wrote:
Wow, thanks for all the responses guys, you've been a great help. I've taken on board the points of simplicity and sufficiency and will go the build route. I can always change it later.. My plan now is a simple benchtop table, a box made of 3/4" birch ply (because I have some), with webs from side to side to support the top (ie. enable me to clamp the top down to it when I fail to make it properly flat). For the top I'm uncertain - I could use more birch ply, or go the MDF route. Either way I'm uncertain of the laminating - surely wide areas like this require a great deal of force to provide enough pressure on the glue joint? And with all that force (presumbaly via curved battens) it seems likely that the panels will flex and then set non-flat? Adding the Formica (UK trade name for phenolic sheet) ditto, and that's not cheap stuff either - though I could always (not) add this later.. For starters I think I might just go with a single sheet of thick mdf/ply - whatever the yard has in. If you use 3/4" MDF that's usually pretty damn flat; if you glue two of them together any warping will almost certainly be canceled out and the result will be DAMN flat. Applying the laminate should be done with contact cement, and no battens or undo force is required; just a rubber roller. Apply contact cement to both surfaces (the MDF and the back side of the laminate) according to the instructions on the product (usually you let it dry about 10 or 15 minutes); the MDF will need a second coat because it's very absorbent. Lay a series of long 1/4 dowels down on the MDF (if the cement is dry they won't stick) about 6" apart, then set the laminate down on the dowels (so the glued surfaces don't meet; you have ONE chance to get the positioning right or you're screwed). Once you have the laminate positioned correctly, pull out the center-most dowel and push the laminate down towards the MDF surface with your rubber roller. This will adhere the two together hard and fast, then you gradually work the roller from the center towards each end, pulling another dowel out as needed; this lets you get the laminate glued in place without trapping any air pockets underneath. Be firm and thorough with the roller, making sure the laminate is completely adhered before progressing further towards each end. Use the appropriate router bit to trim the laminate flush. The advantage of having a smooth surface such as laminate is that you can pass the workpiece through the cut with little to no friction. Keep the laminate clean and waxed, and you'll never have a workpiece grab or drag while you're cutting it, which can be very frustrating and sometimes downright dangerous. -- Any given amount of traffic flow, no matter how sparse, will expand to fill all available lanes. To reply, eat the taco. http://www.flickr.com/photos/bbqboyee/ |
#25
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cast iron router table top?
Stuart wrote on 08/03/2010 09:32:
In , wrote: which interestingly has a 0.8mm crown; I'm not convinced this is a good idea - surely a flat table with a flat plate is the best?? The principle behind it is that when you have the weight of a heavy router pulling down underneath it becomes flat. If you start flat you are likely to finish up with a slightly dished effect unless you have a nicely ribbed bit of cast iron or Al. Yikes - that's a bit hit or miss then as it would depend on the weight of the router; presumably there should be different amounts of crown for different routers! More importantly, with a 6kg router how much deflection should one expect in a standard sized ~9"x12" insert? thanks, graham. |
#26
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cast iron router table top?
Steve Turner wrote on 07/03/2010 23:52:
On 3/7/2010 4:01 PM, graham wrote: Wow, thanks for all the responses guys, you've been a great help. I've taken on board the points of simplicity and sufficiency and will go the build route. I can always change it later.. My plan now is a simple benchtop table, a box made of 3/4" birch ply (because I have some), with webs from side to side to support the top (ie. enable me to clamp the top down to it when I fail to make it properly flat). For the top I'm uncertain - I could use more birch ply, or go the MDF route. Either way I'm uncertain of the laminating - surely wide areas like this require a great deal of force to provide enough pressure on the glue joint? And with all that force (presumbaly via curved battens) it seems likely that the panels will flex and then set non-flat? Adding the Formica (UK trade name for phenolic sheet) ditto, and that's not cheap stuff either - though I could always (not) add this later.. For starters I think I might just go with a single sheet of thick mdf/ply - whatever the yard has in. If you use 3/4" MDF that's usually pretty damn flat; if you glue two of them together any warping will almost certainly be canceled out and the result will be DAMN flat. I was thinking that under the pressure of my battens I could flex both pieces in the same direction.. Or have I misunderstood? snip - Great tips for applying the laminate - thanks graham. |
#27
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cast iron router table top?
On 3/8/10 11:40 AM, graham wrote:
Stuart wrote on 08/03/2010 09:32: In , wrote: which interestingly has a 0.8mm crown; I'm not convinced this is a good idea - surely a flat table with a flat plate is the best?? The principle behind it is that when you have the weight of a heavy router pulling down underneath it becomes flat. If you start flat you are likely to finish up with a slightly dished effect unless you have a nicely ribbed bit of cast iron or Al. Yikes - that's a bit hit or miss then as it would depend on the weight of the router; presumably there should be different amounts of crown for different routers! More importantly, with a 6kg router how much deflection should one expect in a standard sized ~9"x12" insert? thanks, graham. I was thinking the same thing. What if you don't have an 80 pound router? :-) Then you're stuck with this annoying crown. All things being equal and given the choice of a crown or dip in the mounting plate, I would choose a dip every time. You can't adjust for a crown-- you will always have long stock rocking on the table, as it travels over the crown. You can easily adjust for a dip-- just raise the bit a tiny amount to compensate, and long stock with never rock up and down on the table. In any case.... get Phenolic and don't worry about it. -- -MIKE- "Playing is not something I do at night, it's my function in life" --Elvin Jones (1927-2004) -- http://mikedrums.com ---remove "DOT" ^^^^ to reply |
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