11
MAB 465
GB
Check the condition
of the substrate
The magnetic holding force is dependent
on the condition of the substrate. The
clamping force is significantly reduced by
paint, zinc and scale coatings and rust.
The substrate must satisfy the following
conditions in order to achieve sufficient
magnetic holding force:
■
The substrate must be magnetic.
■
The clamping surface and the magnetic
foot (13) must be clean and grease-
free.
■
The clamping surface must be com-
pletely smooth and level.
NOTE
►
Clean the substrate and the magnetic
foot (13) of the machine before use.
►
Remove any unevenness and loose
rust from the substrate.
►
The BDS range of accessories in-
cludes special holding devices.
The best clamping effect is obtained on
low-carbon steel substrate with a thickness
of at least 20 mm.
Steel with low thickness
When drilling into low thickness steel, an
additional steel plate (minimum dimensions
100 x 200 x 20 mm) must be placed under
the workpiece. Secure the steel plate to
prevent it from falling.
NF metals or workpieces with an uneven
surface
A special holding device must be used
when drilling into NF metals or into work-
pieces with an uneven surface.
NOTE
►
BDS offers a range of accessories
with special clamping devices for
tubes and non-magnetic materials.
Preparation
WWW.CSUNITEC.COM
