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TaeguTec Launches Specific Sleeves For HUSH-BORE Boring Bars

TaeguTec Launches Specific Sleeves For HUSH-BORE Boring Bars

Vibration free HUSH-BORE boring bars are cylindrical shank type products, with no flat parts, for deep internal turning operations in 7xBD to 10xBD (BD: shank diameter) range. Therefore, based on the flat surface design of the head, set-up time can become an issue.

To solve this issue, TaeguTec has launched HUSH-BORE sleeves that can be easily set up in the machine’s tool holder.

These specific sleeves with one-sided slit maintain a robust clamping force and high precision because of its wide contact area when combined with the new HUSH-BORE shank. First, gently tighten the flat surface onto the sleeve with a screw onto the holder. Second, match the HUSH-BORE’s shank line with the sleeve-line. Third, check the zero setting with the dial gauge, ensure it is within ±0.01 mm. Fourth, secure the sleeve by screwing tightly to the tool holder. Thereby, making for easier, faster setting time with better accuracy.


  • Easier and faster shank setting time due to simpler, yet practical design
  • Robust clamping force and high precision
  • Full sleeve line for HUSH-BORE shank diameter range(Ø16-50mm)

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Significantly Better Surface Finishes Thanks To Vibration Damping

Significantly Better Surface Finishes Thanks To Vibration Damping

Vibration often occurs during machining. This leads to dynamic instability of the system. Inadequate surface finishes, insufficient accuracy, high machining noises, shortened tool lives and, in extreme cases, broken tools and cutting edges can be the result.

In order to minimise these vibrations and their consequences, MAPAL has now developed an innovative system for vibration damping in the tool shank, as particularly tools for boring and milling with very long projection length tend to vibrate due to an inadequate dynamic rigidity of the overall system. When designing the new system, the developers took into account all factors arising from the interaction of the machine tool, the tool and type of clamping as well as the component. The result: A system for vibration damping that is matched to all common types of machine stiffness. It can be used for machining different materials with different tools.

The self-contained system of auxiliary mass and several steel spring packages counteracts the deflection of the tool body and minimises it. The vibrations can be up to 1,000 times lower compared to tools without absorber system. Despite the long projection length, quiet, stable running is achieved. This makes it possible to work at higher cutting speeds and significantly increases the material removal rate.

In addition, significantly better surface finishes are achieved thanks to vibration damping. When milling case hardened steel (16MnCr5), for example with a 250 mm long combination of milling cutter arbor and milling cutter with five cutting edges and ISO indexable inserts (diameter 50 mm), the Rz value was halved from 7.8 µm to 3.9 µm for material removal ae of 18 mm and ap of 3 mm compared to the same tool system without vibration damping.



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WFL: M200 Millturn

WFL: M200 Millturn

The M200 Millturn can machine workpieces of up to two m in diameter, 14 m in length and 60 tons in weight.

The a new dimension in complete machining M200 MILLTURN WFL Millturn Technologies machine is built in different turning lengths and nominal centre distances, making the range of applications correspondingly diverse: large landing gear extensions, large crankshafts, shafts for turbines and for generators, large manifolds as well as shafts and rollers for heavy industry.

The turning-boring-milling unit can work on difficult-to-machine materials, and at up to 80 kW of power and 1800 Nm of torque with minimal vibration. The machine can work on any type of inclined machining due to its B-axis; it also supports WFL M200 MILLTURN 5-Axis CNC Lathes interpolation.


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