Rack and Pinion Router Fence Control help? - Router Forums
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post #1 of 19 (permalink) Old 05-01-2012, 04:28 PM Thread Starter
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Default Rack and Pinion Router Fence Control help?

Good morning, I am attempting to create a precision router fence via rack and pinion adjustment

I would like 1/16th precision, but 1/32nd would be wonderful. I drew a rough model in sketchup


Any ideas as to resources where i can get the appropriate racks and pinions for a decent price? Or im open to completely new ideas as well. Requirements are as follows

A) Keep fence 100% square at all times (hence the rack on each side)
B) Micro and macro adjust down the 1/16th of an inch tuning at a time in the Y axis.

Ideas, pointing to existing projects, insults, suggestions, etc all welcome.

Thanks in advance!

Last edited by jbrukardt; 05-01-2012 at 05:03 PM.
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post #2 of 19 (permalink) Old 05-01-2012, 04:48 PM
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[QUOTE=jbrukardt;282492]Good morning, I am attempting to create a precision router fence via rack and pinion adjustment

I would like 1/16th precision, but 1/32nd would be wonderful. I drew a rough model in sketchup



Any ideas as to resources where i can get the appropriate racks and pinions for a decent price? Or im open to completely new ideas as well. Requirements are as follows

A) Keep fence 100% square at all times (hence the rack on each side)

Square to what? Router bits are round. No need for fence to be suare to anything. Occasionally it is nice to be parallel to miter slot if you have one for some jigs, but not that often.

B) Micro and macro adjust down the 1/16th of an inch tuning at a time in the Y axis.

Might have a look at this...

LS Standard System

Last edited by Dmeadows; 05-01-2012 at 04:54 PM.
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post #3 of 19 (permalink) Old 05-01-2012, 04:51 PM Thread Starter
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[QUOTE=Dmeadows;282494]
Quote:
Originally Posted by jbrukardt View Post
Good morning, I am attempting to create a precision router fence via rack and pinion adjustment

I would like 1/16th precision, but 1/32nd would be wonderful. I drew a rough model in sketchup



Any ideas as to resources where i can get the appropriate racks and pinions for a decent price? Or im open to completely new ideas as well. Requirements are as follows

A) Keep fence 100% square at all times (hence the rack on each side)

Square to what? Router bits are round.

B) Micro and macro adjust down the 1/16th of an inch tuning at a time in the Y axis.

Might have a look at this...

LS Standard System
well of course i could just buy an incra thats where half my inspiration came from.

But I

A) dont have that kind of cash
B) Like to make things myself.
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post #4 of 19 (permalink) Old 05-01-2012, 06:07 PM
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Can get you to + or - .001". Travels on precision integral slide-guides, screw driven, always parallel from last setting.
Rough changes up to 1.25", fine-adjust to .001" or ~.055"/revolution of drive screw.
Its first generation has been published in FWW and available from them.
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post #5 of 19 (permalink) Old 05-01-2012, 06:18 PM
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The Incra solution would be quite inexpensive. Aside from their TS-LS/Wonder Fence solutions, they do sell 1/32" miter saw fence equipment. Take a closer look at these, if you haven't already.
MikeD
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post #6 of 19 (permalink) Old 05-01-2012, 06:47 PM Thread Starter
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Quote:
Originally Posted by mjdorsam View Post
The Incra solution would be quite inexpensive. Aside from their TS-LS/Wonder Fence solutions, they do sell 1/32" miter saw fence equipment. Take a closer look at these, if you haven't already.
MikeD
cheapest i can find is about 140 for a non-precision fence with no adjust. I must not be looking in the right place. I have a fence already, i just need the adjust
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post #7 of 19 (permalink) Old 05-01-2012, 09:24 PM
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It must just me, but I think the INCRA stuff just looks hideous and not only would I never pay the price, it just looks like it would fall apart or take too much space. But what do I know
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post #8 of 19 (permalink) Old 05-01-2012, 09:57 PM
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Quote:
Originally Posted by Quillman View Post
Can get you to + or - .001". Travels on precision integral slide-guides, screw driven, always parallel from last setting.
Rough changes up to 1.25", fine-adjust to .001" or ~.055"/revolution of drive screw.
Its first generation has been published in FWW and available from them.
Pat(Quillman) is too modest, he obviously doesn't want to hawk his day job on a forum like this. Check out the FWW article he mentions, if you don't think you're up to building it yourself he can fix you up: Precision Integrated Curtain Fence.

Great guy, I'm a customer, he doesn't BS: when he says "accurate to .0005" he's serious, no BS. You could do a lot worse.

HTH,
Bill
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post #9 of 19 (permalink) Old 05-01-2012, 10:27 PM
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Quote:
Originally Posted by billg71 View Post
Pat(Quillman) is too modest, he obviously doesn't want to hawk his day job on a forum like this. Check out the FWW article he mentions, if you don't think you're up to building it yourself he can fix you up: Precision Integrated Curtain Fence.

Great guy, I'm a customer, he doesn't BS: when he says "accurate to .0005" he's serious, no BS. You could do a lot worse.

HTH,
Bill
WOW Bill that's got to be the nicest looking fence I've ever seen. I'm really impressed.
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post #10 of 19 (permalink) Old 05-02-2012, 07:05 AM
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For the Incra, I believe you can purchase the rack & pinion ("The Original Incra Jig") for $60; or if you call them, I'm sure they can help you - they're very easy to work with. They sell something similar (the r & p set) for their miter saw fence application: you can probably get the r & p set as a replacement part; in this manner, you don't need to pay for the fence.

Regarding Incra products - while, I don't like the gold & red color scheme; the products are precisely milled, highly-engineered, and durable - I've been abusing their products for years.
MikeD
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