Large-scale machining of a pin with high surface finish requirements.

The customer requires a turning tool that can reliably realise the outer diameter of 0.5 mm while keeping the Ra value of the surface finish
constantly low.
This must not exceed Ra 0.8 µm. It should be possible to produce at least 5,000 turned parts per cutting edge.

Solution
The 069R geometry has two unique details. Firstly, the dimensions of the plate are very small. This means that the cutting edge can be positioned very close to the guide bush, enabling precise turning. On the other hand, all cutting edges have a double clearance angle. This improves the cutting conditions and provides high edge stability. With the given cutting data, the customer now achieves a tool life of 10,000 turned parts per cutting edge.

Customer success story 5 069R

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Large-scale machining of a pin with high surface finish requirements.

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