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Need advice with the Router, HELP

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Forum topic by MarkSr posted 11-08-2013 04:32 AM 971 views 0 times favorited 15 replies Add to Favorites Watch
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MarkSr

215 posts in 1515 days


11-08-2013 04:32 AM

Topic tags/keywords: question shaping router mdf

Hi LJ’s

I am so glad I found this site. You LJ’s always come to my aid.

This is one of six pieces, that will be used in the project.

Here is my problem, I am using 1/2” MDF board and I have a 1/2” Fingernail Half Radius router bit. For Sides A, B, & C, I will use my router table and with the fence, I have no problem getting a nice round edge. However,

Sides 1 & 2, I can not use my router fence as a guide. I have tried many sample pieces and I guess it’s my shakey hands, but I screw up those two sides trying to cut them free handed. I am thinking I am going to have to use the hand router but I still don’t think I will get the same results.

Any ideas??? Please.

-- Mark, ”...NEWBEE: On the road to learning a lot; but; a lot more to learn…” ("My Granddad used to tell me, if you didn't learn something new today, it just wasn't worth getting out of bed")


15 replies so far

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patron

13538 posts in 2806 days


#1 posted 11-08-2013 04:44 AM

use a router guide bushing
and a template
with the fingernail bit

sticky tape the parts together
(or brad nail or screw)
and run the bushing up to the template
(offset by whatever size it may need)
you can just have one for the corner
you want
or the whole enchilada
and just go around the template
everything including the radius corners will be finger-nailed

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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MarkSr

215 posts in 1515 days


#2 posted 11-08-2013 05:10 AM

David, I always knew you were more than a pretty face. LOL

Thanks Buddy, I’ll have to go and get me a bushing set, I just watched a you tube on using them.
You are the to go to man.

Thanks again.

-- Mark, ”...NEWBEE: On the road to learning a lot; but; a lot more to learn…” ("My Granddad used to tell me, if you didn't learn something new today, it just wasn't worth getting out of bed")

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peekasan

21 posts in 1171 days


#3 posted 11-08-2013 05:19 AM

You shouldn’t need the fence on your router table, as long as your bit has a bearing. Just make sure to leave a flat spot on the edge if you plan to rout both sides of your workpiece.
A starting pin can help stabilize those cuts on the router table.

Good luck

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patron

13538 posts in 2806 days


#4 posted 11-08-2013 05:46 AM

another option is using a round over with bearing bit
that has a larger radius
and set the bearing in the middle
of the MDF
run both sides
if it is the right radius
the bit will just cut a partial profile on both sides
not the full round over
similar to a fingernail one

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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MarkSr

215 posts in 1515 days


#5 posted 11-08-2013 05:47 AM

Thanks peekasan, but I think you are talking about a round over bit. I have a “Fingernail Half Radius” which does not have a guide bearing on it. This bit cuts the whole sides to a 1/2” radius all a once. I am not the one who can answer too many questions here but the only reason I know about this bit is because of the shop that I purchased it from, told me about it when I ask them for some help in picking the bit for what I wanted to do with it.

I watched a video on guide bushings on You Tube and I believe Patron hit it right on the head.

Thanks for the input.

-- Mark, ”...NEWBEE: On the road to learning a lot; but; a lot more to learn…” ("My Granddad used to tell me, if you didn't learn something new today, it just wasn't worth getting out of bed")

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Joe Lyddon

9446 posts in 3517 days


#6 posted 11-08-2013 06:20 AM

If you plan to make more than ONE…

After you make ONE the way you are doing WITHOUT the final round-overs,
make more by:

1. Place your Master on top of some material.
2. Draw around all edges to get the Master drawn.
3. Rough cut-out each drawing about 1/16”-1/8” away from lines. (for circles, you could use a hole cutter and cut holes leaving the line)
4. Using Double-sided tape, Tape Master on top of rough cutouts.
5. Use a Flush-trim (bearing on top) or Pattern bit (bearing on bottom).
6. Adjust bit ht. to get bearing riding against the Master part. Use Router Table & starting Pin.
7. Route around all edges of Master.
Resulting in an Exact copy of the Master…
Save your Master for future parts.

To round-over, easier to use a bit with a Bearing on top riding in middle of the workpiece then, round-over all of one side edges. Turn it over and do the other side… to get a full round-over.

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

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MarkSr

215 posts in 1515 days


#7 posted 11-08-2013 06:33 AM

Thanks Joe, when I went to buy the bit, I first asked for a half round over, but when I told the shop owner what I wanted the ends to look like he sold me the fingernail half radius. Anyway, the best thing is I joined Lumber Jocks, just look at what I have learned tonight, can’t beat it, you guys are great.

Thanks to all.

That’s all I’m saying.

-- Mark, ”...NEWBEE: On the road to learning a lot; but; a lot more to learn…” ("My Granddad used to tell me, if you didn't learn something new today, it just wasn't worth getting out of bed")

View gfadvm's profile

gfadvm

14940 posts in 2155 days


#8 posted 11-09-2013 02:51 AM

Patron always dispenses good advice (and cheap too).

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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patron

13538 posts in 2806 days


#9 posted 11-09-2013 04:00 AM

wow guys
first mark brings a pretty face with him
(to prove his point) ?
then andy wears a cowboy hat
(you got some sawdust under there) ?

they both gang up one me
standing here alone
at the OK corral
giving out cheap advice
without any teeth

it’s a good thing we are all friends

but even with all that
i can still outdraw you

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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MarkSr

215 posts in 1515 days


#10 posted 11-09-2013 05:21 AM

I’m sending you a new rule, for straight lines. and besides it’s upside down, I’m using my
router table, your quick draw was fast but you missed because you were not straight. (gotcha ya)

But that is exactly correct and easy to understand. Thank you David.

You joke about not having your teeth, mine are 46 yrs. old, both have been super glued twice and
now I am finally going to get the chance to get new plates. I hate dentists, when I was a kid I had
a very lot of work done on my teeth. At twenty yrs. old I had them all pulled out. I had good looking
teeth but they were soft and horses teeth, very deep roots. Any way I don’t know when I will get the
courage to have my mouth filled with concrete again and try to brake in a new set of dentures.

-- Mark, ”...NEWBEE: On the road to learning a lot; but; a lot more to learn…” ("My Granddad used to tell me, if you didn't learn something new today, it just wasn't worth getting out of bed")

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patron

13538 posts in 2806 days


#11 posted 11-09-2013 07:57 PM

they do have them made from plastic now mark

no need to go to a construction site
asking for a mouth full of concrete

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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gfadvm

14940 posts in 2155 days


#12 posted 11-10-2013 03:57 AM

Back in George Washington’s day those teeth were made of wood!

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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MarkSr

215 posts in 1515 days


#13 posted 11-10-2013 05:26 AM

David, the last time I was fitted they filled me up with 2 yds. of groute, at least that’s what it felt like, and the
he told me to breath through my nose, where the hell did he think I was going to get the air if I didn’t.

Hey Gfadvm, after I get the impressions done and I send them to David, do you think I would be able to smile. LOL

-- Mark, ”...NEWBEE: On the road to learning a lot; but; a lot more to learn…” ("My Granddad used to tell me, if you didn't learn something new today, it just wasn't worth getting out of bed")

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patron

13538 posts in 2806 days


#14 posted 11-10-2013 02:39 PM

andy

Next to the Cherry Tree legend, the story that George Washington wore wooden dentures arguably remains the most widespread and enduring myth about Washington’s personal life. While Washington certainly suffered from dental problems and wore multiple sets of dentures composed of a variety of materials—including ivory, gold, and lead—wood was never used in Washington’s dentures nor was it commonly employed by dentists in his era.

the real story is here

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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MarkSr

215 posts in 1515 days


#15 posted 11-11-2013 04:59 AM

That’s my buddy David, Andy, I don’t think I’m going to send those impressions.

-- Mark, ”...NEWBEE: On the road to learning a lot; but; a lot more to learn…” ("My Granddad used to tell me, if you didn't learn something new today, it just wasn't worth getting out of bed")

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