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Reload this Page Cyma Recta Profile Bit Available?

Cyma Recta Profile Bit Available?

Router Bits - Types and Usage Discuss Cyma Recta Profile Bit Available? in the Routers forums; Hi Dave, I believe you have to have 10 posts before you can post any pics. A prevention to help ...

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Old 04-01-2008, 08:18 PM   #11
Hamlin
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Hi Dave,

I believe you have to have 10 posts before you can post any pics. A prevention to help stop spam upon this wonderful site. You could probably send to a member thru reg email like I've done in the past. I sent mine to Bj. I'm sure he'll be glad to give you a hand.
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Old 04-01-2008, 08:28 PM   #12
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I learned that my image size (3072 x 2304) is too large to upload, so will need to take more pictures another day and upload then. Keep watching!
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Old 04-01-2008, 08:33 PM   #13
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Quote:
Originally Posted by Dave Bishop
I learned that my image size (3072 x 2304) is too large to upload, so will need to take more pictures another day and upload then. Keep watching!

Hi Dave,

If you have Paint.Net or PaintShopPro or other type program, you can resize them to fit. I learned this the hard way until Bj taught me how to change the sizing of the pics.
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Old 04-01-2008, 08:38 PM   #14
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Hi Dave

You can download FREE software but do this , upload your pictures to
http://tinypic.com/
They will resize them for you and give you a url code,,,that you can use but you will still run into the 10 post min.thing..but you are on 7 so it will only take 3 more to get over the 10. just say hi 3 time in this thread and it's done with...

Do this goto http://www.irfanview.com/ and get the free software that will let you rezise the snapshots so you can upload them to the forum..

JUST a note ****** the 10 post thing is only for the URL items,,it should let you post pictures right off the bat but they must not be to big...
If I recall it's 999 x 999 ...


=============

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Originally Posted by Dave Bishop
I learned that my image size (3072 x 2304) is too large to upload, so will need to take more pictures another day and upload then. Keep watching!
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Last edited by bobj3 : 04-01-2008 at 08:46 PM.
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Old 04-02-2008, 09:40 PM   #15
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Finally, here are photos of the "cyma recta" profile and the steps I used to make it:

Photo #1: This is taken from FWW #166, p. 74 (Dec. 2003). This is the built-up molding I want to make. It consists of (from the top) quarter round, fillet, cyma recta, fillet, elongated cove, astragal, and cove. The cyma recta is what I wanted to duplicate using roundover and cove bits.

Photo #2: A front view of the 30° fence and retainer mounted to my router table.

Photo #3: A side view showing how the stock will ride on the retainer and be held against the fence.

Photo #4: The first cut, made with a 3/8" roundover bit with the bearing removed.

Photo #5: After the second cut, made with a 3/8" cove bit (bearing removed) with the stock flat on the table. A 3/4" roundnose bit would have worked here, too.

Photo #6: Showing how the notch due to the overcut of the roundover bit will be hidden when the molding is built up.
Attached Thumbnails
cyma-recta-profile-bit-available-router-001.jpg  cyma-recta-profile-bit-available-router-002.jpg  cyma-recta-profile-bit-available-router-003.jpg  cyma-recta-profile-bit-available-router-004.jpg  cyma-recta-profile-bit-available-router-005.jpg  

cyma-recta-profile-bit-available-router-006.jpg  
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Old 04-02-2008, 09:47 PM   #16
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Thanks to all with the suggestions on how to post pictures. The size limit is 2000 x 2000 - I learned this from an error message. So I went back, set my camera for 1600 x 1200, and took more photos, the ones I have now uploaded.

Dave
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Old 04-02-2008, 11:25 PM   #17
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You Welcome Dave

When you resize them they will upload quicker and popup quicker, I used one of your snapshots a resize it , for a show and tell thing..

Yours is 453.85 kb and the one I reworked is 10.9 kb..
You will see it jump up quick when you click on it...
==========
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cyma-recta-profile-bit-available-frame.jpg  
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Old 04-03-2008, 07:05 AM   #18
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That's quite a diiference in file size and performance, with no noticeable change in appearance. I need to look at those sites you mentioned. Thanks.
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Old 04-03-2008, 10:38 AM   #19
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Wish you had posted a picture of what you wanted in the beginning. The moulding you made is what I always thought was the Cyma Reversa. This may have worked for you:


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Old 04-03-2008, 08:07 PM   #20
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Charles M,

Thanks for your interest in my work. I wasn't aware of the new Freud 99-482 when I started this thread (my Freud catalog is five years old). You are correct in that this bit cuts the correct profile, but in a larger size than I wanted. It appears to have cove and roundover radii of 1/2", judging from the length of the profile. I used 3/8" radii bits for my molding.

Incidentally, a cyma reversa (ogee) on the edge of a board laid flat starts and ends in a vertical plane, while a cyma recta (Roman ogee) starts and ends in a horizontal plane. Most standard ogee and Roman ogee bits include a full 90° of both roundover and cove cuts, while the Freud 99-482 cuts 60° of both roundover and cove, the same as I was able to do with the 3/8" bits.

Dave
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