![]() | Shearing - Course: Technique of working sheet metals, pipes and sections. Trainees' handbook of lessons (Institut für Berufliche Entwicklung, 17 p.) |
![]() | ![]() | 6. Sequence of Selected Shearing Operations |
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- Scribe length of angle section accurately to size. Scribe the line inside.
- Shove angular section through the shears angular-profiled blade (in line of vision to the shear).
- Align scribed line with upper shear blade.
- Release hand lever locking device.
- Pull down hand lever with a jerk.
- Pull angular section out of the shear. Throw waste par into the waste container.
Figure 27. Correct section knife for
the shearing of angles
Why must steel sections be cut with section
knives?
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What will happen when steel sections are cut on plane shear
blades?
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Why must the hand lever of the lever shear be locked after the
cutting
operation?
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Why must waste material rendered during the shearing operation
be immediately thrown into the waste
container?
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