7/15/2019 | 1 MINUTE READ

Tungaloy’s -01 Geometry for Precision Finish Turning on Swiss Lathes

Originally titled 'Geometry for Precision Finish Turning on Swiss Lathes '
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The -01 geometry is designed to deliver consistent chip control at light cutting depths of 0.5-mm (0.020") or smaller.

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Tungaloy enhances its ISO positive turning inserts in “-01” geometry to include a 0.4-mm (0.0157") nose radius prepared in a minus tolerance, specifically for precision finishing in Swiss turning applications. 

The -01 geometry is designed to deliver consistent chip control at light cutting depths of 0.5-mm (0.020") or smaller. The introduction of a 0.4-mm nose radius insert is implemented because of the increased demands in the Swiss turning market where workpieces with 0.4-mm corner radius requirements are as popular as workpieces with 0.2-mm radii. In addition, these corner radii are often required to be finished equal to or smaller than the required radius dimensions in order to minimize the impact on dimensional accuracy. Therefore, the insert nose radii of the -01 geometry are all designed and constructed in a minus tolerance to the nominal nose radii and not exceeding it.

Combined with the existing -JS geometry, the first-choice for small part turning, the enhanced lineup of the -01 geometry provides customers with optimal chipbreaker options for various cutting depths and feed rates in Swiss turning operations, the company says.

The -01 geometry is optimized for cutting depths of 0.5 mm (0.020") or less, while -JS geometries are effective for depths of cut ranging from 0.5 mm to 3.0 mm (0.020" to 0.118").

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