Nook ActionJac™ Trunnion adapter
plates allow for easy installation in applications where the jack
moves through an arc during operation. These jacks are typically
configured with motor mounts or right angle reducers. Trunnion adapter
plates bolt to the jack flange and have precision bores for trunnion
pins.
Design Information The trunnion pins should
be supported to within 1/16 inch of the trunnion adapter plate.
See the “A” dimension in the table for the width of the mounting
plate. The maximum distance between the trunnion pin support mounting
surfaces should be less than or equal to the “A” dimension plus
0.13 inches.
The trunnion pins should be ground to the
“D” diameters shown in the table. The trunnion pins should be made
from steel with a hardness greater than 30 HRC and a yield strength
greater than 60,000 psi.
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