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Router speed suggestion?

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Forum topic by BroncoBrian posted 02-26-2015 11:45 PM 770 views 0 times favorited 16 replies Add to Favorites Watch
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BroncoBrian

435 posts in 1419 days


02-26-2015 11:45 PM

Topic tags/keywords: router bit speed incra cleansweep

I am setting up a Rockler table, Incra lift with a new PC 7518 router. It is a five speed and I am going to install it with the Incra Clean Sweep dust system but the switch is placed where the router will have the speed switch away from the door to the box.

The speeds are 10k, 13k, 16k, 19k, 21k

Curious what speed is the most likely setting for average size bits or how much any of you change speed on your router. I can get the the switch but it will not be easy to read.

Curious if anyone has a pointer for me.

-- Bigfoot tries to take pictures of me


16 replies so far

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timbertailor

1591 posts in 885 days


#1 posted 02-27-2015 12:06 AM

ALWAYS FOLLOW THE ROUTER BIT MANUFACTURERS RECOMMENDATIONS FOR ROUTER RPM SPEEDS.

If they are not listed on the packaging, go to their website or send them an email.

The general rule is the larger the bit, the slower the speed setting.

-- Brad, Texas, https://www.youtube.com/user/tonkatoytruck/feed

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dawsonbob

1910 posts in 1216 days


#2 posted 02-27-2015 02:29 AM

If you’re only going to use one size bit, the set the appropriate speed, and you’re all done. If, however, you’re going to be using a mix of small and large bits, you’ll need to change speeds to suit the bit. In other words, there’s no one answer as to speed: you’ll need access to the speed control.

-- Mistakes are what pave the road to perfection

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MrUnix

4207 posts in 1659 days


#3 posted 02-27-2015 02:50 AM

In other words, there’s no one answer as to speed:

Unless you have a fixed speed router :)

The Bosch 1617 has a fixed speed of 25,000rpm.. as does my C-man. I’ve seen others that even though are variable, only have something like a 19,000-22,000 rpm range or thereabouts (don’t remember exactly off hand). I’d set it for the fastest it will go and only worry about it when using really large bits that need it slower. For most work, you want it to be as fast as possible (round overs, bevels, straight bits.. most of which are not really that big).

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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dawsonbob

1910 posts in 1216 days


#4 posted 02-27-2015 02:56 AM

Excuse me Brad, but the Bosch 1617 is a variable speed, soft start router, not a fixed speed. I’m sitting about ten feet from mine, so I’m sure of that.

-- Mistakes are what pave the road to perfection

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timbertailor

1591 posts in 885 days


#5 posted 02-27-2015 03:00 AM

I guess people like to open themselves up to a law suit. What I wrote in caps was for a good reason.

-- Brad, Texas, https://www.youtube.com/user/tonkatoytruck/feed

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MrUnix

4207 posts in 1659 days


#6 posted 02-27-2015 03:12 AM

Excuse me Brad, but the Bosch 1617 is a variable speed, soft start router, not a fixed speed

Nope.. 25,000 fixed speed.. here it is on Bosch’s web site:
http://www.boschtools.com/Products/Tools/Pages/BoschProductDetail.aspx?pid=1617

What you got is the 1617EVS or 1617EVSPK which ARE variable speed.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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BroncoBrian

435 posts in 1419 days


#7 posted 02-27-2015 03:14 AM

You are right about following the bit speed rating. Looks like I will be able to change it easily enough, just might have to make a not of the speeds from front to back as I will not be able to read it on the router.

Should be ok though.

Thanks, Brian

-- Bigfoot tries to take pictures of me

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dawsonbob

1910 posts in 1216 days


#8 posted 02-27-2015 03:51 AM

Well, I’ll be danged. I stand corrected, Brad.

You are absolutely correct. When you said 1617 I immediately thought of variable speed, as I think most people would. I’m a fan of Bosch routers, yet had no idea that anything in the 1617 series was fixed speed. And you’re correct; mine is the 1617 EVSPK.

Live and learn, as they say.

-- Mistakes are what pave the road to perfection

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Garbanzolasvegas

356 posts in 687 days


#9 posted 02-27-2015 01:24 PM

Soft start. Yes my DeWalt has soft start. What I hate about it is that one can not, RETSTART the motor turning until it has completely stopped

-- If you don't Play, you can't win

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BroncoBrian

435 posts in 1419 days


#10 posted 03-12-2015 03:34 AM

Thanks everyone. I was able to mount the speed switch to the back side and will be able to reach through the Incra cleansweep to adjust. I just have to note the five positions b/c I will not be able to see the lines and numbers. Now that I think about it, the switch will be upside down and it might not be an issue.

On to the next project….

-- Bigfoot tries to take pictures of me

View MT_Stringer's profile

MT_Stringer

2851 posts in 2691 days


#11 posted 03-12-2015 03:41 AM


Thanks everyone. I was able to mount the speed switch to the back side and will be able to reach through the Incra cleansweep to adjust. I just have to note the five positions b/c I will not be able to see the lines and numbers. Now that I think about it, the switch will be upside down and it might not be an issue.

On to the next project….

- BroncoBrian

You can tell by the sound whether you are spinning it fast or slow. Start slow and go up counting the changes each time.

My Bosch is “electronic variable speed” so I simply turn the knob to change the rpm. I run it by ear. :-)

-- Handcrafted by Mike Henderson - Channelview, Texas

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TheFridge

5764 posts in 946 days


#12 posted 03-12-2015 03:45 AM

Fast.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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pintodeluxe

4853 posts in 2274 days


#13 posted 03-12-2015 04:17 AM

The thing about router speed that most people don’t consider it that faster speeds means higher power output from the router. Luckily your router has plenty of power, so that’s not an issue for you.
In general the smaller the bit, the faster the speed. Bits with 1/4” or 1/2” cutting diameter can run close to full speed. Large diameter profiling bits and panel raising bits will run slower.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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JeffP

573 posts in 852 days


#14 posted 03-12-2015 01:06 PM

Is the slower speed for larger bits a safety issue (might fly apart)?

Or does it have to do with the quality of the cutting?

-- Last week I finally got my $*i# together. Unfortunately, it was in my shop, so I will probably never find it again.

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firefighterontheside

13447 posts in 1317 days


#15 posted 03-12-2015 01:17 PM

It’s about the speed the cutter is traveling. Router speed is rpms. Small bits travel a short distance to make one revolution, but big panel raising bits travel a much longer distance to make one rev. If that big bit were set to 24,000 rpms, then the cutter would be traveling much, much faster than a 1/4” bit at the same rpm.

-- Bill M. "People change, walnut doesn't" by Gene.

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