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40 Reel Mowers
Toro University Technical Training
Grinders
There are several manufacturers of reel grinders.
These same manufacturers also produce bedknife
grinders.
WARNING !
Always wear a face shield or
safety glasses when grinding or
backlapping.
Remember to always wear a face shield or safety
glasses when grinding or backlapping.
Milled Relief (Scalloped Blades)
It is important to understand that Toro reel mowers
are designed and manufactured to optimize
available power from the engine and hydraulic
systems. To help do this, we put a “relief” or back
grind on every reel blade to reduce the width of reel
blade that contacts the bedknife. This has been
proven to reduce power requirements, as well as
allow the machine to operate more efficiently. This
can be very important, depending on the terrain,
type of grass and amount of grass being cut.
Toro has two different methods of manufacturing
reel blades with a relief. The reel blades are made
from straight stock steel and then are either relief
ground or the relief is milled in. Either way, there is
a relief on the blade when it is manufactured. A
small, ground relief is also put on milled relief
blades, during manufacture.
Toro greens mowers and DPA fairway cutting units
are manufactured with a milled relief. Other trim,
utility, and fairway mowers have a ground relief.