Shop fox D3117 Bosch 1617EVS - Router Forums
 
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post #1 of 6 (permalink) Old 11-20-2014, 11:49 AM Thread Starter
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Default Shop fox D3117 Bosch 1617EVS

I recently purchased the D3117 shopfox template guide bushing set for use with my Bosch 1617EVS plunger router using the RA1100 and the RA 1126 it fits into. I have the center cone as well. Problem is the where the busing contacts the adapter hole it fits into it measures 1.345 inches OD while the diameter of the RA1100 is 1.375. That .03 inches leaves a lot of wiggle room and after a short while of routing the knurled ring comes loose and the guide is chattering on the bit. (Yes i got it as tight as possible.) Every bushing in the box has the same slop except for one which measures just over 1.35 inches and that little bit extra makes a big difference. I tried them in an old PC base I have and it is the same.

My question is: Is the Shopfox bushing supposed to fit snug in the RA 1100 hole or is there going to be some play?
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post #2 of 6 (permalink) Old 11-20-2014, 07:09 PM Thread Starter
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Default Note to self: It does matter

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Originally Posted by Joesf View Post
I recently purchased the D3117 shopfox template guide bushing set for use with my Bosch 1617EVS plunger router using the RA1100 and the RA 1126 it fits into. I have the center cone as well. Problem is the where the busing contacts the adapter hole it fits into it measures 1.345 inches OD while the diameter of the RA1100 is 1.375. That .03 inches leaves a lot of wiggle room and after a short while of routing the knurled ring comes loose and the guide is chattering on the bit. (Yes i got it as tight as possible.) Every bushing in the box has the same slop except for one which measures just over 1.35 inches and that little bit extra makes a big difference. I tried them in an old PC base I have and it is the same.

My question is: Is the Shopfox bushing supposed to fit snug in the RA 1100 hole or is there going to be some play?
Yes it matters. It has to. But there was no way i was getting that ring tight enough installed in the router. I did call shop fox and really didn't get an answer to my question other than that's the way it is and you can return it. The fellow did try. So I can't say they are not responsive.

Here is what I did since then. I placed a small 1/8 wide inch rubber band around the bushing ring ,installed the bushing in the Ra1100 and tightened the ring with channel locks with the jaws on the rubber band (it gets real tight this way with no damage to the brass) , installed the RA 1100 assembly in the Base which has the RA1126 attached. Loosened the pan head screws on the sub base till they were just snug and centered the base with the Bosch center cone. Tightened the screws. Now we shall see if the bushing ring stays tight. So if you are new to using these bushings like I am
and have an idea or comment tune in. I still think they should be a better fit though.

Last edited by Joesf; 11-20-2014 at 07:13 PM.
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post #3 of 6 (permalink) Old 11-20-2014, 08:36 PM
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I have a set of Porter Cable bushings that fit very snuggly. It is Porter Cable's standard by the way. I guess it's kinda what happens when a 3rd party manufacture makes parts for someone else's standard. Should fit doesn't always match reality.

Hopefully your idea will work, and the bushing will not move around in the .030 slop. For things like dovetail jigs, .015+- will give really bad results.

Lets us know how it works out for you, please.

I have found that hand tools are the best choice when I want to make mistakes at a slower rate of speed.

I don't suffer from insanity. I enjoy every minute of it.
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post #4 of 6 (permalink) Old 11-22-2014, 09:16 AM Thread Starter
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Hi Duane,

I got a Wood River set for a few bucks more from Woodcraft. They all have OD's of 1.365 and fit snug (.01 under versus .03 for the shopfox). They are also prefect in the PC base. Some of the OD.s of the collars themselves were a little under(.005-.010) but the Id.s were spot on. With the expense of a bit I cant see saving 15 bucks on the sloppy set from slopfox. As instructed by the company I am returning it to the vendor.
I checked out the condition of a Shopfox set we have at the school I go to. All the collars were mutilated from bit strikes which obviously occurred after the ring loosened and the collar wandered into the bit. . I know a school environment is not the best for tools but that set is what I want to own.

The Wood River set is made in Taiwan. The shop fox China. Both sets do have all collars for the various sizes the same length.

I hope my experience with getting collars for a Bosch 1617 plunge base with the RA1100 adapter set up helps some one else new to using them .
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post #5 of 6 (permalink) Old 11-22-2014, 09:57 AM
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Glad you got a better set, Joe. Nice thing about the forum is the info will be around for a long time... bound to help someone down the road!

I have found that hand tools are the best choice when I want to make mistakes at a slower rate of speed.

I don't suffer from insanity. I enjoy every minute of it.
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post #6 of 6 (permalink) Old 11-22-2014, 09:21 PM
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I can't relate to the bushings but will say I was terribly dis appointed with the extension I got for my shop fox mobile base last week
The mounting flange for the center support was welded abot 5 degrees out of square
A shame,I was happy with the original Mobile base purchase,but after receiving such a shoddy product and reading of your woes,I will not purchase anouter shop fox product
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