Stretched thinned terrace die for air-conditioner fin
The invention discloses a stretched thinned terrace die for an air-conditioner fin and relates to a punching stretching processing mould field, a groove is arranged on the outer wall, the connection position of the circumference of the outer wall and the groove is provided with an arc uplifting part...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
02.01.2013
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a stretched thinned terrace die for an air-conditioner fin and relates to a punching stretching processing mould field, a groove is arranged on the outer wall, the connection position of the circumference of the outer wall and the groove is provided with an arc uplifting part. The contact area of the stretched thinned terrace die and the hole wall of the fin can be reduced through the structure, thereby avoiding the surface blacking of the product, and simultaneously, the wear of the terrace die is reduced. |
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Bibliography: | Application Number: CN20121324981 |