F - Mech Eng,Light,Heat,Weapons – 16 – M
Patent
F - Mech Eng,Light,Heat,Weapons
16
M
248/3
F16M 1/00 (2006.01) B23Q 1/00 (2006.01) B23Q 11/00 (2006.01) F16F 15/023 (2006.01)
Patent
CA 1236812
Abstract of the Disclosure A machine leveling pad with damping properties is disclosed, wherein a first support member having a damping cavity is located on a base, ant a second support member having an outer surface cooperatively shaped to the damping cavity is disposed within the damping cavity so as to create a peripheral boundary space between the first and second support members. Spring means are provided to support the second support member relative co the first support member in a direction substantially parallel to the longitudinal axis of the boundary space. A machine member is located on the second support member, and, in one embodiment, a viscous damping material is provided to substantially fill the boundary space between the first and second support members. In operation, the spring means and damping medium are compliant in several directions to permit relative movement between the first and second support members. Thus, when the spring means are oriented in a vertical direction to carry the weight of a machine member, the machine is allowed to move with the second support member in a horizontal, unloaded, direction thereby causing the first and second support members and damping medium in the boundary space to undergo squeeze film damping, effecting an increase in the overall dynamic stiffness of the machine. An alternate embodiment employs a visco-elastic medium in the damping cavity to effect damping.
476226
Hasz John R.
Piotrowski Tadeusz W.
Borden Ladner Gervais Llp
Cincinnati Milacron Inc.
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