Nibbler
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A nibbler, or nibblers,nibbling. One type operates much like a punch and die, with a blade that moves in a linear fashion against a fixed die, removing small bits of metal and leaving a kerf approximately 6 mm (0.24 in) wide. Another type operates similar to tin snips, but shears the sheet along two parallel tracks 3–6 mm (0.12–0.24 in) apart, rolling up the waste in a tight spiral as it cuts. Nibblers may be manual (hand operated) or powered.
Power nibblers are often powered by
electric drill
attachment, which converts the rotary motion of the drill into a reciprocating motion of the jaw.
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Detail of cutting bit of manual nibbler, punch-and-die type -
Shear-type nibbler and detail of cutting head
References
- ISBN 1-932494-86-3- Page 26 "Nibblers make a ragged cut and also leave thousands of little sheetmetal nibbles all over your shop. ... Power shears are the best tool going for cutting sheetmetal, but they cost more than a nibbler, and a lot more than a set of hand shears."
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