E614EN_03.DOC
Operation
15
4.3 Nibbling
with
templates
The following requirements must be met when nibbling with
templates:
•
The template must be at least 3 mm thick.
•
The contour of the template must have a clearance of 8.5 mm
to the contour to be nibbled out.
•
Observe a minimum radius of 90 mm on the workpiece.
•
The nibbler is to be guided in such a way that the punch guide
is always up against the template.
h
1
a
h
2
R
1
R
2
2
3
1
1 Punch
guide
2 Workpiece
3 Template
a
Clearance of the contour of the
template to the contour of the
workpiece to be nibbled out
h
1
Thickness of the template
h
2
Thickness of the workpiece
R
1
Minimum radius in the template
R
2
Minimum radius in the workpiece
4.4 Making inner cutouts
¾
Make a start hole at least 41 mm in diameter.
Fig. 52793
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