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With respect of the motor axis?

I know how to tram a spindle. Thanks. I'm not interested in that.
Your indications does not show if the cone of the chuck is tilted. They are a check for perpendicularity. That's a different stuff....

Yes, not-static spindles are a PITA for router owners like me.
I love routers because they have a greater versatility. Furthermore, the big surface speedups your work by having a lot of different...

Got it.

Actually, I measured for circularity inside the cone at three different height from the lower border of the spindle chuck (+2, + 6, +10 mm) but I understand it makes no big differences......

Oh yes indeed, it is true.
if you have perfect circle the cone is squared. Otherwise you would get an ellipse (an angled planar section of a cone) and your dial indicator would reveal it.

Hello Craig,
nice explaination!

I don't know why a plain and simple description like the one you wrote is so hard to find on internet!

There is an online distributor/vendor of Kintek stuff, or I have to contact them directly by email?

My typing error. Sorry.
I got what you meant.


Do you usually assembly collet+nut+tool and then you insert them all in the spindle end? Or you first fit/screw collet+nut, and after you fit the...

Just ordered one ER20-4mm collect from FAHRION.
Maybe too much pricey? But I want to check if a good/top quality collet is the right direction to solve my problem, before buying a complete set of...

It will be a long night...

Rego-Fix, Teknics, Kintek.
Thanks for the hints!

In the meanwhile, I have found FAHRION, a 100% german manufacturer based near Stuttgart:
https://www.fahrion.de/startpage.html

Medium range...

Thanks for the adivces.
I will check the chuck-face for concentricity too (even if I do not know exaclty how to do that - shame on me!)

I read that bearing nuts are prone to be rapidly ruined by...

Today a big day for my router.
To solve the problem with my ER-collet I have done what below:


1. I cleaned with alcohol the internal taper of the spindle (some brown dirty stuff has come out)...

Tomorrow I will carefully degrease and clean my collet as well as the taper of the spindle. Then I will put a thin layer of oil with my finger on the top leading taper.
I will report here if...

@joeavaerage:
Mmmmmmh... I will try that tomorrow. Thanks!

In the meanwhile, a guy for Mary-Tool wrote:
"Personally I use solid nuts. I apply a little oil on the collet nut internal thread and...

I'm using very often 2 or 3 or 4 mm dia on an ER20 collet.

I was thinking that maybe I do something wrong when I tight the nut...
You put a washer when you tight a bolt with a nut, but in the...

@awerby
Yes, I snap the tool inside the collect.
I do not know the reason: but sometimes I get perfect vertical "walls" after a sping-cut, sometimes not. But the tool is the same... (usually a 3 or...

Hello everybody,

I suspect that sometimes the tool stays not perfectly vertical after I tightened it in my ER20 collet by using a standard collet nuts.

I read somewhere that a defect of ER...

Absolutely. Backlash could be the source of this behaviour. But why the west/north/east sides are affected and south one is not?

If I remember correctly, the cut started at the south/west corner,...

That was my new tool... I just tested it before with a finish spring cut long 3 or 4 centimeters on a raw block of aluminum. And it was cutting very well, nice chips.


Yes, I will try to...

Tool LOC is 12 mm. More than enough, IMO.

All of the sides have the same WOC.
After the roughing pass I left 0.1 mm on all sides of the plate. Then I applied the spring-cut on all the countour in one pass (i.e. DOC = 10 mm).

I also...

If so, why the south side is shiny and nice, while the east/north/west sides have this crappy finish on the top side?
The tool is rotating on his axis, so its irregularity should be applied on all...

Hello all,

I decided to mill some simple shapes from a 10mm thick alu-plate. Before I always cut max 5mm alu-plates without problems.
So I cut the designed holes and then I used some screw to...