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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.)
View the document(introduction...)
View the documentPreliminary Remarks
View the documentHints on Labour Safety
View the document1. Purpose of Shearing
View the document2. Tools and Machines
View the document3. General Construction of Shears
View the document4. Mode of Operation of the Shearing Process
View the document5. Shearing Techniques
Open this folder and view contents6. Sequence of Selected Shearing Operations

1. Purpose of Shearing

Shearing denotes non-chip cutting of sheet-metals and sections. Cuts may be straight-lined or curve-shaped in optional lengths.

Figure 1. Shearing

Compared to sawing and chiselling, shearing has the following advantages:

- No metal is removed from the material.
- Scribed lines can be exactly followed up.
- Joint faces only require little re-work.
- Shearing process is fast.
- Way of cut may be straight-lined and curve-shaped.

Special shearing techniques are:

Cutting-in, cutting off, cutting out, punching