The oscillating reamer holder with Morse taper shank (CM) and ER collet connection is a technical solution designed to guarantee maximum precision in hole finishing. Ideal for use with high-speed steel (HSS) and carbide reamers, this tool ensures excellent results even in the most demanding machining operations.

 

Collets	Radial stroke R	Nut
ER11	± 1 mm	Hexagonal "A type" ER11
ER16	± 1 mm	Hexagonal ER16 Standard
ER20	± 1 mm	Hexagonal ER20 Standard
ER25	± 1 mm	ER25 Standard
ER32	± 1,5 mm	ER32 Standard
ER40	± 1,5 mm	ER40 Standard

 

The structure of the reamer holder consists of a fixed part and a movable part, allowing the tool to perfectly adapt to the hole and to the spindle’s rotation axis, automatically correcting possible radial and horizontal alignment errors. This makes the oscillating reamer holder an essential tool for machining operations on parallel lathes, automatic lathes, conventional machine tools, and CNC machining centers, suitable for ferrous and non-ferrous materials as well as light alloys.

 

The operating principle is based on an optimal balance between rigidity and controlled freedom of movement. The fixed part, through the shank, is securely anchored to the machine tool spindle, while the movable part allows the reamer to automatically compensate for possible misalignments. Radial error adjustment is performed by means of the adjusting screw that controls the internal spring pressure, maintaining the correct centering even in horizontal operations. To correct the horizontal oscillation error, the locknut can be slightly loosened, creating a small clearance that allows a controlled pendular movement. In this way, the reamer naturally aligns with the axis of the rotating workpiece, ensuring a high-precision and superior surface finish of the hole.

 

Thanks to this advanced design, the oscillating reamer holder provides a significant improvement in hole quality, increases tool life, and enhances overall process reliability. The reduction in production waste and cycle times makes it the ideal choice for precision mechanical and industrial machining requiring consistent and repeatable performance over time.

 

With Tadaah, you can rely not only on a complete range of oscillating reamer holders and ER collet accessories, but also on qualified technical support ready to assist you in the proper setup and adjustment of your tool. Contact our specialists for personalized advice and discover how to optimize your machining processes with high-performance professional solutions.