Tool-holding system for high-accuracy calibration of holes

Details Tool-holding system for high-accuracy calibration of holes Tool-holding system for high-accuracy calibration of holes

2006-11-14

2006-11-14

Carter, Monica (Department: 3722)

Gear cutting, milling, or planing

Milling

With means to dampen vibration

C409S135000, C409S136000, C409S231000, C409S239000, C408S056000

Reexamination Certificate

active

07134818

ABSTRACT:
The invention relates to the field of toolings for high-accuracy finishing through-holes and non-through-holes, such as for example for calibration, lapping operations. More precisely the invention refers to a tool-holding system for high-accuracy calibration of the type comprising a driving shaft (2) and a driven shaft (3) mutually connected by two cardan joints (5) and that provides an external cylindrical body (6) supported through bearings (8) by said driving shaft (2). The cylindrical body or liner (6) is closed on its bottom side by a driving bush oscillating in a plane perpendicular to the driven shaft rotation axis; said oscillations being compensated by elastic means. Axial compensation means for driven shaft movements are also provided. The liner (6) forms a chamber (7) that is kept full of oil.

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