Punching Information - Alfra
Punching Information - Alfra Punching Information - Alfra
A Nibbling tools ASN Made in Germany by ALFRA Application: n Pre-punched round holes can be expanded easily and in a cost-saving manner to make square and rectangular holes. n What is especially recommended for manufacturing rare sizes, square and rectangular shapes (special shapes), for manufacturing special tools appear uneconomical. Operation: n Use a puncher and Compact hand punch to pre-punch a pilot hole Ø 21.5 mm or Ø 28.5 mm. Apply a nibbling tool with Compact punch and a round hole can be expanded to a square or rectangle of arbitrary size by multiple punching (nibbling) to the desired final dimension. The final dimension should be pre-marked to avoid skew punches. Material thickness: max. 2,0 mm mild steel (F = 370 N/mm 2 ) Dimensions: a b c ASN 15 15,0 6,5 21,5 ASN 20 20,0 9,0 28,5 Prod.-No. ASN 15 03016 ASN 20 03017 Spare punch ASN 15 03018 Spare punch ASN 20 03019 A/18 Prod.-No. 03016 Inch sizes are available on request C
A A/19
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A<br />
Nibbling tools ASN<br />
Made in Germany by ALFRA<br />
Application:<br />
n Pre-punched round holes can be expanded easily and in a cost-saving<br />
manner to make square and rectangular holes.<br />
n What is especially recommended for manufacturing rare sizes, square<br />
and rectangular shapes (special shapes), for manufacturing special<br />
tools appear uneconomical.<br />
Operation:<br />
n Use a puncher and Compact hand punch to pre-punch a pilot hole<br />
Ø 21.5 mm or Ø 28.5 mm.<br />
Apply a nibbling tool with Compact punch and a round hole can be expanded<br />
to a square or rectangle of arbitrary size by multiple punching<br />
(nibbling) to the desired final dimension.<br />
The final dimension should be pre-marked to avoid skew punches.<br />
Material thickness:<br />
max. 2,0 mm mild steel (F = 370 N/mm 2 )<br />
Dimensions: a b c<br />
ASN 15 15,0 6,5 21,5<br />
ASN 20 20,0 9,0 28,5<br />
Prod.-No.<br />
ASN 15 03016<br />
ASN 20 03017<br />
Spare punch ASN 15 03018<br />
Spare punch ASN 20 03019<br />
A/18<br />
Prod.-No. 03016<br />
Inch sizes are available on request<br />
C
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