This is essentially an inverted 3 jaw scroll chuck used to preload the jaws of a chuck while machining them in. I think most would use it for soft jaws, but I guess you could also grind true hard jaws. You can preload radially inward or outward at a range of clamping diameters so you can do ID or OD clamp surfaces of the machine's chuck. You can also reverse the jaws on the adapter for an increased range. I am going to put it on ebay as well, but it will be cheaper here. It looks slimy because I have Fluid Film anti-rust treatment all over it.
If you need me to make specific measurements, just let me know.
From ad information:
Normal jaw position (1-2-3) From 1 to 150 mm (up to about 6")
Reversed jaw position (A-B-C) From 256 a 345 mm (a bit over 10" to about 13.5")
Max grip load 13,000kg
This is an italian made unit that is currently sold new by CDMeccanica:
www.cdmeccanica.it
For reference- SteveM had a previous ad for a similar unit a while back:
Similar on ebay:
If you need me to make specific measurements, just let me know.
From ad information:
Normal jaw position (1-2-3) From 1 to 150 mm (up to about 6")
Reversed jaw position (A-B-C) From 256 a 345 mm (a bit over 10" to about 13.5")
Max grip load 13,000kg
This is an italian made unit that is currently sold new by CDMeccanica:
Outlock – For turning soft jaws on the self-centering chucks
www.cdmeccanica.it
For reference- SteveM had a previous ad for a similar unit a while back:
Rivelica OutLock 450 soft jaw machining adapter
I have two of these and won't even use one all that often, so I'm selling one. This device works like a scroll chuck with jaws that have pins to fit in the mounting holes in your soft jaws to hold your soft jaws out so that you can machine them (also can be used to true hard jaws). Also sold...
www.practicalmachinist.com
Similar on ebay:
OUTLOCK 500 APPAREIL POUR RETAILLER LES MORS DOUX | eBay
Les meilleures offres pour OUTLOCK 500 APPAREIL POUR RETAILLER LES MORS DOUX sont sur eBay ✓ Comparez les prix et les spécificités des produits neufs et d'occasion ✓ Pleins d'articles en livraison gratuite!
www.ebay.fr
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