Source for small, cheap bt30 spindle?

[jgwentworth96]

Im looking to make my own cnc machine and I dont have the knowledge or desire to attempt to make my own BT30 spindle so I've been trying to find one online with little success (outside of a tormach spindle or unknown garbage from china). It may go into a pivoting head for a 5th axis so the smaller the better. Any leads?

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[DSpeck]

If you can find one, an old Emco Maier F1 CNC mill uses BT30 tooling for it's quick-change spindle. You could salvage one off that, but maybe not that cheap. These were good quality Austrian made machines, not Chinese. It would be fairly compact as well (it's a benchtop mill), and comes with a 1/2HP DC motor, running up to 2000 rpm, or could be faster if you change the pulley ratio.

[jgwentworth96]

If you can find one, an old Emco Maier F1 CNC mill uses BT30 tooling for it's quick-change spindle. You could salvage one off that, but maybe not that cheap. These were good quality Austrian made machines, not Chinese. It would be fairly compact as well (it's a benchtop mill), and comes with a 1/2HP DC motor, running up to 2000 rpm, or could be faster if you change the pulley ratio.

I'm looking to run 5-7 hp through it so it's gonna need to be beefier than that probably. Thanks for the response though.

[Jim Dawson]

Maybe something like this?

https://www.ebay.com/itm/1997-MIYANO...0AAOSwB3BaKeew

[RTP_Burnsville]

Have you looked at these:

https://www.tormach.com/search.html?...le%20Cartridge

Robert

[generaldisarray]

Have you looked at these:

https://www.tormach.com/search.html?...le%20Cartridge

Robert

Reading is fundamental

OP
"(outside of a tormach spindle or unknown garbage from china)"

The ebay Brother spindle has everything OP needs. A Robodrill rebuilt spindle is $2500. lacks drawbar and everything else.

[RTP_Burnsville]

Reading is fundamental

OP
"(outside of a tormach spindle or unknown garbage from china)"

The ebay Brother spindle has everything OP needs. A Robodrill rebuilt spindle is $2500. lacks drawbar and everything else.

Well excuse me for trying to help...... Not a Tormach shrill, but the OP listed 'cheap' first and foremost, I rather doubt several thousand dollars would qualify as cheap, so suggest that it is your skills at reading should be examined before casting stones!

Robert

[footpetaljones]

Any objections to a Taiwanese spindle? Posa and Royal are both established brands, and Kenturn is a younger company. A few months ago I got a few quotes for an a2-4 spindle from Posa and Kenturn. Both responded quickly and had good prices, ~$2k.

[digit23]

What about this, can't seem to find any review

https://www.ebay.com/itm/BT30-Mechan....c100005.m1851

https://www.ebay.com/itm/MT3-BT30-ER...T39wCiBAqNDQhw

[Zenji]

It may be worth designing your own with donor parts to save build time.
To my mind, the ultimate is a universal style mill head with a quill that can be used on 'feed hold'.
With this you could do crankshaft drilling, cylinder head seats and after feed hold return to running the program, sort of a mix of manual and cnc.
The design goal should be not the machine itself, but what can be done with the machine other than cutting little square blocks with holes.