The Fein Multimaster is one of the best multipurpose power tools on the
market, but many people find that Fein Multimaster blades are fragile
and wear out very quickly. Even owners of rivals to Fein power tools,
like the Bosch Multi-X, Rockwell Sonicrafter, and Dremel Multi-Max have
the same complaint. The problem seems to be a side-effect of the special
technology which gives these power tools their ability to make
precisely controlled cuts.
The use of a special oscillating motor
to vibrate the blades of these multimaster tools forces certain
structural limitations on the blades used. Unlike the rotary motor of
older or cheaper multipurpose power tools, the Fein Multimaster blade
needs to be stiffer so that it can be vibrated at up to 21,000
oscillations per minute. This extra stiffness and other limits make the
blades more fragile, wear out more quickly and more expensive to
produce.
However, despite these design limitations, there are
several ways to make the blades of your Fein power tools last longer.
These tips also apply to other brands of multimaster tools. The first
rule is to remember that Fein power tools are not meant for large volume
jobs. For example, if you need to cut lots of wood, the Milwaukee
Sawzall is almost always a better choice. Or if you need to cut a lot of
holes in a lot of drywalls, you should be using the Bosch Rotozip
spiral saw. Whenever there is a specialty tool available, use it, not
the Fein Multimaster (Bosch Multi-X, Rockwell Sonicrafter, or Dremel
Multi-Max).
The second important rule is to use the right blades
or accessories. Too many people use only the carbide blade whenever they
need to cut anything hard. However, sometimes you need something even
harder - the diamond blade. And while the standard E-blade is a good
general purpose blade, there are times you want to use the wood blade
when you know you will not hit anything hard, or the HSS blade if you
know there are a lot of nails or other metal bits embedded in the wood
you are cutting. Fein makes many different blades for different
purposes, so check the user manual or call their help line if you have
any doubts.
The third rule is to use the right cutting technique.
If you look at new power tool users (even regular power tools), they
tend to apply too much pressure to the materials they are cutting. It
almost seems like they are hammering a nail or chopping wood with an
axe. Unfortunately, this is a habit that they never break. This is the
sort of thing that quickly wears out blades. But when you look at a
seasoned craftsman, whether amateur or professional, you can see that he
is almost gentle in using his Fein power tool. He lets the multimaster
blade work its own way through the material he is cutting, applying only
enough force to control the direction of the cut.
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