Page 310 - Gear Technology Solutions

Figure 3: Seating of conventional, rectangular blades

Gleason introduced in 1998 the Pentac® blade design to the market. Pentac®
blades have a pentagon shaped cross section and therefore provide positive
seating versus friction seating in case of rectangular blades.

Figure 4: Pentac® pre-racked blades (left) and
Pentac® zero raked blades (right)

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