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progressive die

1.     Materials for each components is

      

Classification

Material

Remarks

Die, stripper,

Punch,

Material guide

SKD-11

with heat treatment to achieve HRC 60 ± 2

Tube hole

SKH-51

HRC 64

Plate, die set,

Block

S45C

 

Punch plate

SK-3

HRC55

Piercing punch

SKH-9

HRC64

2.     Life time of die (considering production as to continuous operation in 30~35 SPM during one year)

    -. Initial failure ~ approximately 100,000th stroke

    -. MTBF(Mean Time Between Failure) ~ approx. 60,000 strokes

    -. Maximum life time ~ approx. 3,000,000 strokes