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3. Speed selection for annular cutters (also see plate on gearbox):
o Ø 27-60 mm
oo Ø 12-26 mm
[image 4-4]
WARNING: never touch moving machine parts!
4.4 Electromagnet
Make sure the magnetic drilling machine is placed on a smooth, clean, level and solid surface without
any objects or debris to guarantee maximum adhesion.
The workpiece must at least be 6 mm (1/4") thick for the magnet to stick and to drill safely. In case
the workpiece is between 3 mm (1/8") and 6 mm (1/4"), make sure to make a proper base to create
a good magnetic field as shown below.
[image 4-5]
The electromagnet will work best on surfaces of at least 10 mm (3/8") thickness.
(1 1/16" - 2")
Speed 60-275 rpm;
(1/2" - 1")
Speed 100-500 rpm.
18
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