My concern would be that Loctite requires a gap between the cutter and the 
holder. Is there a guarantee that concentricity would be maintained?

BTW: Heat will release even the red Loctite. See 
https://www.henkel-adhesives.com/ca/en/insights/all-insights/blog/how-to-remove-red-threadlocker.html
 
for details.

> -----Original Message-----
> From: Roland Jollivet [mailto:[email protected]]
> Sent: Wednesday, July 31, 2019 3:35 PM
> To: Enhanced Machine Controller (EMC)
> Subject: [Emc-users] OT: loctiting cutters
>
> Hi All
>
> Was wondering what you guys think about loctiting cutters in place, as a
> principle.
>
> First, here is a typical 2.2kW spindle
> <http://ugracnc.com/store/cnc-spindles/atc-spindles/ken-water-cooled-atc-
> spindle-2-2kw-220v-iso20-30000rpm-detail>
> . It has a max torque of 1.75N.m  (ISO20 taper)
>
> Now what if I MADE a tool holder that looks.. like this
> <https://www.aliexpress.com/item/32893543034.html> shrink fit holder, but
> instead of shrink-fitting say, a 6mm jobber drill, I just loctited the bit
> in place. That's all.
>
> Below is the property of the Red loctite. I can't see how any drill bit or
> cutter would come loose given approx 20mm of engagement. (slip fit)
> While it is unorthodox, it's quite in keeping with today's glued-together
> world..
> Does anyone see an obvious reason why it's not in practice?
>
> Roland
>
> PS, I don't ever want to remove it..
>
> Type Typical     color code   Torque to break free(3?8-16 size bolt)
> Torque to continue turning   Temperature range
> High strength
> ? Red
> 230 in-lb (25 N?m)                                         225 in-lb (25
> N?m)                        ?54 to 149 °C
>
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