Router Adapters? - Page 3 - Router Forums
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post #21 of 30 (permalink) Old 06-18-2018, 07:08 PM
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It would be great IMO if someone made ER20 collet adapters that screwed onto the spindle of 1/2" routers, I think there are some that can be used on a small range of fixed based routers but only ones with the same taper inside the router spindle shaft, there can't be that many different threads on 1/2" routers, that way we could use the range of ER20 collets. The ones in the link below are held with grub screws but if you got the one with a 19mm bore could it be threaded with a 20mm thread which is what most 1/2" router spindles are?

Just a thought, and to those engineering types would it work?

https://www.aliexpress.com/item/ER20...826074558.html

Tight fisted old so-and-so!
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post #22 of 30 (permalink) Old 06-18-2018, 08:43 PM
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Quote:
Originally Posted by Hypnotoad View Post
It would be great IMO if someone made ER20 collet adapters that screwed onto the spindle of 1/2" routers, I think there are some that can be used on a small range of fixed based routers but only ones with the same taper inside the router spindle shaft, there can't be that many different threads on 1/2" routers, that way we could use the range of ER20 collets. The ones in the link below are held with grub screws but if you got the one with a 19mm bore could it be threaded with a 20mm thread which is what most 1/2" router spindles are?

Just a thought, and to those engineering types would it work?

https://www.aliexpress.com/item/ER20...826074558.html
How about this? It is NOT cheap though.
https://www.precisebits.com/products...letadapter.asp
In future, it may be better to get water-cooled 2,200W VFD spindles with 1/2" ER20 Collets even for router tables.
They are now ONLY about AUD$300 with Inverter. 12V water pump and mounting brackets (Sydney Stock)
Low noise
Dust proof
Stainless steel casings and water chamber.
Can run even at very low RPMs for cutting soft metals (Air cooled spindles/routers will burn up at low RPMs)
Easy to mount - Even better to mount HORIZONTALLY so cheap bits can be used to cut raised panels
Already "brushless" so no fire hazards. No need to replace carbon brushes after every 100hrs.
Multiple collets size also available at low cost
Can take even CHEAPER router bits without losing concentricity.
Bearings are more easily replaceable than routers
Can adapt for use as a metal lathe head-stock too
Upgrade to CNC use later
Just food for thoughts..

Last edited by reuelt; 06-18-2018 at 08:50 PM.
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post #23 of 30 (permalink) Old 06-18-2018, 08:51 PM
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Quote:
Originally Posted by reuelt View Post
How about this? It is NOT cheap though.
https://www.precisebits.com/products...letadapter.asp
In future, it may be better to get water-cooled 2,200W VFD spindles with 1/2" ER20 Collets even for router tables.
They are now ONLY about AUD$300 with Inverter. 12V water pump and mounting brackets (Sydney Stock)
I have looked at the PreciseBits one and it fits into the 1/2" chuck, I am thinking that a ER20 extender that screws onto the router shaft would be better.

I really like idea of VFD spindles, the cost of them is getting lower but you have to pay more than that again for a decent lift mechanism.

So in the interim an adapter that screws onto your router shaft would be a low cost option for those who already have one in a table. Just my 2 cents worth.

Tight fisted old so-and-so!

Last edited by Hypnotoad; 06-18-2018 at 08:55 PM.
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post #24 of 30 (permalink) Old 06-25-2018, 12:39 AM
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I'm really puzzled as to what some of the above posters use their routers for, the accuracy seems to me to be reserved for metalwork. Talking of which here are shots of my milling collets.
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post #25 of 30 (permalink) Old 06-25-2018, 11:47 AM
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One thing to remember is that the farther the bit extends from the bottom bearing, the more torque is placed on it.
Herb Stoops likes this.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #26 of 30 (permalink) Old 11-12-2018, 11:48 PM
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I saw these Huhao brand reducing sleeves, I measured the depth of the spindle hole in my Makita M3600G and seems it would fit fine, I have a 6mm spiral solid carbide bit but the 6mm regular reducer I bought was so loose it would wiggle around before tightening so there was no way my collet would tighten it up enough. I wouldn't even consider using it, my smaller Bosch router has different collets of 6mm, 1/4" and 8mm and it works fine but want to use it to make finger joints etc with the Makita in my router table.

I have some good vernier calipers and the bit measures exactly 6mm.

So I ordered one of these to see if it would work. Work? It's a revelation the bit slides in nice and snug, I measured the outside and inside diameter and they are spot on, 12.7mm & 6mm, if you put the bit in and even squeeze it with your fingers you can feel it getting tighter. You don't have to put much effort into tightening the collet either. The length of the silver part is the same as the regular adapters, so the collet fingers grip it all the way.

I have just ordered another one 12.7mm to 1/4" as I can see that these work better than the regular one Makita supplied, anyone else tried them?




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Last edited by Hypnotoad; 11-13-2018 at 01:51 AM.
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post #27 of 30 (permalink) Old 11-29-2018, 07:08 PM
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I received the reducer the same as the ones above for my 1/4" bits with my 1/2" collet, it's fantastic, you wouldn't believe how much better it works than the one Makita supplied with the router. They are beautifully machined and if I had have known about these I would never have got rid of some 8mm shank bits I had I would have bought a 1/2" to 8mm one as well.

Tight fisted old so-and-so!
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post #28 of 30 (permalink) Old 11-29-2018, 08:50 PM
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I have used the white side 1/4 reducer with my muscle chuck with no problem it was a 1/8 inch round over bit.
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post #29 of 30 (permalink) Old 11-29-2018, 09:41 PM
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Quote:
Originally Posted by roofner View Post
I have used the white side 1/4 reducer with my muscle chuck with no problem it was a 1/8 inch round over bit.
I have used the older type reducers a lot and the one that came with my Makita works, not saying it doesn't. But the difference between these and the other reducers is that three sections are pushed in towards the center with little force needed, the other designs only have one slot that goes all the way through and two notch slots that don't, this requires a lot of extra force to squeeze it inwards, more force less grip IMO.

It seems to take a lot of force with the regular collet and the regular reducers, the muscle chuck is a different animal and has more gripping power than the regular collet, great idea.

Tight fisted old so-and-so!

Last edited by Hypnotoad; 11-29-2018 at 09:48 PM.
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post #30 of 30 (permalink) Old 12-08-2018, 10:45 AM
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Helpful information.
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