Method and apparatus for vibration dampening of barfeeders
OwnerRaymond O. Varadyinventor
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Abstract
A barstock bar feeder with a guide channel for encasing a barstock in a electro- or magneto-rheological hydrostatic oil bearing. Electro- or magneto-field generators are provided along the guide channel for selectively applying a field to the guide channel for changing the viscosity of the oil in the guide channel to dampen barstock vibration in the barfeeder.
Claims12
In a barstock feeder for a lathe having a guide channel for encasing a barstock in a hydrostatic oil bearing, the improvement wherein the oil is an electro- or magneto-rheological fluid and means are provided for selectively applying an electric or magnetic field to the guide channel to dampen vibration of the barstock by changing the viscosity of the fluid in the guide channel only around the barstock.
In a barstock feeder for a lathe having a guide channel formed in two sections for encasing a barstock in a hydrostatic oil bearing, each said section having steel leafs in a molded guide, the improvement wherein the oil is a magneto-rheological fluid and means are provided for selectively applying a magnetic field to the guide channel to dampen vibration of the barstock by changing the viscosity of the fluid in the guide channel only around the barstock.
A method for damping vibrations in a barstock feeder for a lathe having a guide channel for encasing barstock in a hydrostatic oil bearing wherein the improvement comprises providing an electro- or magneto-rheological fluid as the hydrostatic oil bearing and selectively applying an electric or magnetic field to the guide channel to dampen vibration of the barstock by changing the viscosity of the fluid in the guide channel only around the barstock.
Dependencies are inferred from the claim text.