Boring Head Arbor, Tormach TTS

Quick change boring head shank with 7/8-20 thread
Minimal clearance height for tool change
Repeatable tool positioning
Hardened and precision ground

Part Number: 2456
Weight: 0.65 lb

Price: $48.95

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Part of the Tormach Tooling System (TTS) this boring head arbor fits to 7/8-20 UN F mounted hears or other tooling with the 7/8-20 thread.

Chris' Tips

Chris' Tips
Tool switching with the Tormach Tooling System (TTS) is extremely easy: Simply loosen the drawbar, slide out the current tool holder, then slip in the next and retighten. The unique geometry of the TTS tool holder ensures that, as the drawbar is tightened, the tool holder moves into an exact Z height while increasing rigidity. Each TTS holder has a shoulder that is undercut so it contacts the spindle itself, not the end of the collet. As the drawbar is tightened the collet will simultaneously squeeze the shank and be pulled upward into the spindle taper. This simultaneous action, grasping while moving up, pulls the tool holder tightly against the spindle face. The high-pressure contact between the shoulder of the tool holder and the spindle is the equivalent of a zero tolerance fit; the vertical location (Z-height) of the tool is exact. The initial placement, created by simply sliding the tool holder up until it stops, is normally within a few thousandths of an inch. The final location, after tightening the collet, is exact, highly repeatable, and not affected by the variable tension of the drawbar or wear on the collet.

Here is the complete Tormach Tooling System Catalog and the Tormach Tooling System Manual.

Here is a picture and an animated graphic showing how the Tormach Tooling System works.

Photos

"Boring Head Shank

Compatibility

Compatibility

This product works with these LittleMachineShop.com products:

1266 Boring Head, 2"
4764 Boring Head, 2" Professional