R8 Tooling for Warco Super Major Mill

[HOWARDTParticipant @howardt]

Had a SX2P Sieg 3MT, now a GH Universal Warco R8. Have stuck with er25, some 3MT shanks I turned down to fit 18 or 20mm R8 holders. As other have said small er size is adequate for most slotting and small tool work, you may want a dedicated holder for larger diameter tools. When I used to work Bridgeports mostly used a Clarkson holder and only switched for facing work. Using a straight 18/20/ 3/4” allows you to create a tooling system like Tormech system.

[Martin CurrieParticipant @martincurrie]

Posted by HOWARDT on 16/12/2022 13:04:08:

Had a SX2P Sieg 3MT, now a GH Universal Warco R8. Have stuck with er25, some 3MT shanks I turned down to fit 18 or 20mm R8 holders. As other have said small er size is adequate for most slotting and small tool work, you may want a dedicated holder for larger diameter tools. When I used to work Bridgeports mostly used a Clarkson holder and only switched for facing work. Using a straight 18/20/ 3/4” allows you to create a tooling system like Tormech system.

I like the idea of having a small tooling system, I've ordered the ER20 short straight shank holder form APT in the UK, I'll have a quality R8 20mm collet for holding in the spindle and then buy a few more or the ER20 holders so I can have all my end mills that I'll be using for that particular job set up in there holders with the offsets programmed into the DRO for quick changing during jobs.

I did look at the Tormach TTS, holders but the price of each holder a too expensive compared to APT's prices. and with APT I know there tooling is great quality and an affordable price..

[JasonBModerator @jasonb]

If you are going down that route then the Tormach R8 collet would be the best choice as it will pull your plain shank items upto the fixed end of the spindle rather than depend on how tightly you draw a standard R8 collet into the spindle. Though I suppose if tightened with a torque wrench on the draw bar you should get reasonably consistant tool heights, That's assuming no internal fillet where 20mm shank meets ER body so chuck can but up to R8 collet

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