METAL DIE WEAR LOSS ESTIMATION APPARATUS, METAL DIE WEAR LOSS ESTIMATION METHOD, METAL DIE WEAR LOSS ESTIMATION PROGRAM, METAL DIE LIFE ESTIMATION APPARATUS, METAL DIE LIFE ESTIMATION METHOD, METAL DIE LIFE ESTIMATION PROGRAM, METAL DIE WEAR LOSS DETECTION APPARATUS AND METAL DIE LIFE DETECTION APPARATUS

摘要

PROBLEM TO BE SOLVED: To make life estimation and further life detection expressed as a number of strokes possible in terms of wear loss deciding metal die life, enabling a quantitative wear loss calculation formula on a relationship between wear loss and number of strokes according to a wear loss model taking account of conditions characteristic of a forged metal die, enabling estimation and detection of number of strokes to start wear, wear loss per a stroke, total wear loss for total number of strokes and enabling quantitative and quick feed back on metal die designing. SOLUTION: The zero wear threshold number of strokes until which metal die wear caused by stroke is negligible, and wear loss for a stroke after starting wear, are calculated based on the mechanical load which is an attacking factor against the metal die and high temperature strength of the metal die which is a strength deterioration factor for the metal die and thermally deteriorated strength caused by repetitive exposure to the high temperature.