Basically Chinese collets. Get the best you can. As those specs are
sometimes not so accurate
On Wed, 8 Dec 2021, 13:36 dave engvall, wrote:
> Apparently standard grade collets are grade A , AA collets are
> concentric to 5 um.
>
>
>
Apparently standard grade collets are grade A , AA collets are
concentric to 5 um.
https://www.parlec.com/Products/Tool-Holding/ER-Collet-Chucks/Collets/5-Micron-(AA)/Inch-(1)
Dave
On 12/7/21 4:16 PM, John Dammeyer wrote:
Does anyone know the difference between the non AA and AA collets?
Received answer from supplier.
The precision of ER32-18pcs is 0.015, which can meet the requirements of
General precision processing.
The precision of AA ER32-18pcs is 0.005, which is suitable for high precision
processing.
> -Original Message-
> From: John Dammeyer
I assume that you meant "ER40". I use one of these on my Myford lathe (not
CNC!):
https://www.arceurotrade.co.uk/Catalogue/Collets/ER-Lathe-Collet-Chucks/ER40-Lathe-Collet-Chucks
There are many other vendors charging more and less. Searching eBay for "lathe
collet chuck" will get dozens of hits
My 4th axis has a MT2 so I use a MT2 to ER40 adapter. Something like
https://www.ebay.ca/itm/224459288505 although I don't recall the source and
definitely have no opinion on that particular vendor. It centers within a
couple of thou with no adjustment required. It is secured into the MT2
On Tue, 7 Dec, 2021 at 5:39 PM, John Dammeyer wrote:
To: enhanced machine controller (emc)
I'm thinking of ordering one of these for my 4th axis so that I can finally get
LCNC to do more than just demonstrate that I can rotate it under computer
control. It appears to fit the same
