Bush F - 370 Manuale Utente Scaricare il pdf (Pagina 18)

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 ex-

panded 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

)

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

Prod.-No. 03016

Inch sizes are available on request

A/18

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Bush F - 370 Manuale Utente Pagina 18