Why are the small diameter P-C tempate guides the standard? - Router Forums
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post #1 of 75 (permalink) Old 09-10-2013, 01:44 AM Thread Starter
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Default Why are the small diameter P-C tempate guides the standard?

When I first started learning about how very useful routers are, by watching the Router Workshop, I noted that the table inserts have 1 3/4 in counterbore with 1 1/2 in through bore. These table inserts were available from Oak Park, as were a whole set of template guides. Now that Oak Park has gotten out of the router business, the only place I know of to get the Oak Park sized template guides are Lee Valley, and they have only a few of the sizes formerly sold by OakPark. The smaller diameter 1 3/16 in Porter-Cable guides now by default are the standard.
However, even the largest Oak Park template guides are still not Harry's 40 mm template guide, although close.
The 1 1/2 inch opening works well for 90% of the router work (fun?) I did, but there were always those larger diameter bits such as some of the round over bits, classical bits, Ogee bits, Roman Ogee bits, Chamfer bits, with 3/4 in carbide height that are close to 2 inches diameter.

I would like to call on the router manufacturers and marketers to go to something along the lines of table inserts/base plates with 60 mm (~2 3/8 in) counterbore, 55 mm (~2 1/8 in) through bore, and for someone to produce 60 mm overall diameter template guides with the 6 mm(1/4 in) high guides of various guide diameters graduated along the lines of those that used to be sold by Oak Park, except now with some larger diameters including the 40 mm guides used by Harry and his router ski disciples, of whom in my head I am one and very soon want to be with my hands.

Then plate inserts of 60 mm outer diameter with various diameter openings can be used to minimize the size of the opening around the smaller diameter bits.

I think what I have proposed would work well for 99% of my router work, except when I am using obviously larger diameter bits such as the raised panel bits.

Responses anyone?

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post #2 of 75 (permalink) Old 09-10-2013, 03:47 AM
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You tell them Tom, my voice is wearing out from shouting about BIG template guides from the rooftops for so many years. The answer that PC guides are the US standard is no reason to not change to a better system. Are there any houses left in the US with gas or Kerosene lighting, I'm sure they were the standard for a long time!

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post #3 of 75 (permalink) Old 09-10-2013, 06:54 AM
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It might be worth pointing out to their competitors that Incra provide plates with large bores, in their Magnalock ring set and in their Cleansweep set.

The Cleansweep ones don't have an equivalent of the largest Magnalock because the bore size would be too large for any side vents, so for that size you just use the original Magnalock plate.

I have several large raised panel cutters and I've had no problem finding an Incra plate with a suitable bore.

INCRA MagnaLOCK Ring Set

INCRA 6-pc CleanSweep MagnaLOCK Ring Set

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post #4 of 75 (permalink) Old 09-10-2013, 07:04 AM
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From what I can see Alan the rings are not actual template guides, or am I missing something?

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post #5 of 75 (permalink) Old 09-10-2013, 07:57 AM
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Harry.

It's me that's missing something - a few brain cells still asleep.

I completely misread the OPs post and assumed he was talking about table inserts, not bases.

In my defense, I have come across a lot of table inserts that also have cut-outs that are too small.

I'll leave my post with the Incra URLs where it is, in case it's useful to someone else.
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Last edited by WurliTzerwilly; 09-10-2013 at 11:07 AM.
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post #6 of 75 (permalink) Old 09-10-2013, 08:55 AM
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"You tell them Tom, my voice is wearing out ....................."
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Would appreciate your take on the use of templets & collars with cutters much >1.25"
(32mm) in diameter or length, thank you.
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post #7 of 75 (permalink) Old 09-10-2013, 09:32 AM
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It isn't just a matter of big bit's, we can obtain a greater depth of cut because the collet nut of all routers can pass through the guide. We can design projects where different size guides are used with the same template in order to obtain a range of offsets and we mustn't forget that we can see what the bit is doing and I do believe that the bit runs cooler because the dust doesn't compact.
I really am not trying to be a smart- arse Pat., I respect you and your published works but they say little if anything about plunge routing and designing and making female template's and the use of template guides, which so far as I'm concerned are very important aspects of routing.

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post #8 of 75 (permalink) Old 09-10-2013, 12:17 PM
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Interesting points but one omission.
I do make a case for templets, plungers and collars but the PDF's/treatises are not free.
Months of work to produce, years of experience to understand. Not the usual internet trivialities.
And I'd add, the PC design, albeit of lesser major diameters, has 15 choices in ring I & O.D's, a lot of options for smaller cutters.
Templates 1 &
Templates 2
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post #9 of 75 (permalink) Old 09-10-2013, 07:40 PM
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Tom, at this time you have three options:
1. Order the Makita metric guide bushings.
2. Buy a Trend Unibase so you can use Trend's assortment of guide bushings up to 90 mm.
3. Build your own.
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post #10 of 75 (permalink) Old 09-10-2013, 09:23 PM Thread Starter
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Quote:
Originally Posted by WurliTzerwilly View Post
Harry.

It's me that's missing something - a few brain cells still asleep.

I completely misread the OPs post and assumed he was talking about table inserts, not bases.

In my defense, I have come across a lot of table inserts that also have cut-outs that are too small.

I'll leave my post with the Incra URLs where it is, in case it's useful to someone else.
Alan, I do have a sometimes obtuse writing style, so I will accept some of the blame for your initial misreading.
The Incra URLs are of interest; if only they had one close to the size I am asking for! The point you raise in your self defense is exactly what I want to have fixed.

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"Teach your children what we have taught ours, that the earth is our mother. Whatever befalls the earth befalls the sons of the earth. The earth does not belong to man; man belongs to the earth. Man did not weave the web of life; he is merely a strand in it. We do not inherit the earth from our ancestors; we borrow it from our children."
-attributed to Chief Seattle of the Native American Suquamish Tribe
  • Wood working, especially router work is too much fun to let "disabilities" get in the way.
  • see MEBCWD's signature line; be certain brain is properly powered up and engaged
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