Technical data & application report

A customer-polished drawing ring made of tool steel 1.2379 was coated with DUNOVA and used to form 3.25 mm DD13 sheet. The original report specifies drawing oil as the lubricant.

The report documents an average of 100,000 strokes. No comparison with an uncoated tool or another coating system is provided.

Original documentation DUNOVA, page 1: tool, machining data and comparison result

Results apply to the conditions described in the report.

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