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close this bookShearing - Course: Technique of working sheet metals, pipes and sections. Trainees' handbook of lessons (Institut für Berufliche Entwicklung, 17 p.)
close this folder6. Sequence of Selected Shearing Operations
View the document(introduction...)
View the document6.1. Cutting-in Sheets on the Tinners’ Snip
View the document6.2. Cutting-off the Sheet on the Lever Shear
View the document6.3. Cutting-off Angular Sections on the Lever Shear

6.1. Cutting-in Sheets on the Tinners’ Snip

- Scribe sheet as to accurately to size.

- Exactly set shear horizontally with 15° wide jaws onto the scribed line and align.


Figure 25. Tinners’ snip jaws correctly opened

- Cut in the sheet, but do not close the shear completely, otherwise the sheet is laterally torn at the end of cut.

- Continue shoving the shear by repeatedly opening the jaws.

- Again cut in the sheet up to the preset length.