B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
B29D 30/66 (2006.01) B26D 1/00 (2006.01) B26D 1/20 (2006.01) B26D 1/28 (2006.01) B26D 7/08 (2006.01) B26D 7/10 (2006.01) B26D 7/26 (2006.01)
Patent
CA 2145321
A high speed rotary cutter assembly and method for cutting sheets of elastomeric materials wherein a rotary blade is affixedly mounted on one end of a spindle and rotates therewith at a rotational speed greater than 2000 rpm. The spindle includes a spindle bore which communicates cooling air to the rotary blade. The rotary cutter assembly also includes preloaded, permanently lubricated, angular contact ball bearings and a labyrinth seal to provide high speed operation without heat build up. The cutter assembly includes a quick connect adjustment means for replacing worn shoe inserts and the insert assembly without the necessity for adjusting of the shoe or blade. The shoe insert has a top surface in the same plane as the top surface of the shoe and further includes grooves in the cutting face to relieve the surface. The lobes of the blade have a truncated trailing surface to provide relief to cut edges of the elastomeric material and reduce cut edge variation.
Sim & Mcburney
The Goodyear Tire & Rubber Company
LandOfFree
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