System and Method for Setting Roller Skew
First Claim
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1. A method for reducing roller skew for a plurality of rollers configured to support a rotary body, the method comprising:
- rotating the rotary body in a first rotational direction;
ascertaining a first thrust load property applied to a first roller of the plurality of rollers from the rotary body while the rotary body rotates in the first rotational direction;
rotating the rotary body in a second rotational direction that is opposite of the first rotational direction;
ascertaining a second thrust load property applied to the first roller from the rotary body while the rotary body rotates in the second rotational direction; and
adjusting an orientation of a bearing assembly for the first roller to reduce a difference between the first thrust load property and the second thrust load property.
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Abstract
A system and method for reducing roller skew, which involve ascertaining first and second thrust load properties applied to a roller while a rotary body rotates in opposing rotational directions, and adjusting an orientation of at least one bearing assembly for the roller until an amplitude difference between the first and second thrust load properties is below a predetermined threshold.
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Citations
20 Claims
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1. A method for reducing roller skew for a plurality of rollers configured to support a rotary body, the method comprising:
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rotating the rotary body in a first rotational direction; ascertaining a first thrust load property applied to a first roller of the plurality of rollers from the rotary body while the rotary body rotates in the first rotational direction; rotating the rotary body in a second rotational direction that is opposite of the first rotational direction; ascertaining a second thrust load property applied to the first roller from the rotary body while the rotary body rotates in the second rotational direction; and adjusting an orientation of a bearing assembly for the first roller to reduce a difference between the first thrust load property and the second thrust load property. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for reducing roller skew for a plurality of rollers configured to support a rotary body, the method comprising:
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ascertaining a first thrust load property applied to a first roller of the plurality of rollers from the rotary body while the rotary body rotates in a first rotational direction; ascertaining a second thrust load property applied to the first roller from the rotary body while the rotary body rotates in a second rotational direction that is opposite of the first rotational direction; and determining a difference between the first thrust load property and the second thrust load property; and comparing the determined difference to a threshold. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method for reducing roller skew for a plurality of rollers configured to support a rotary body, the method comprising:
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rotating the rotary body in a first rotational direction; ascertaining first thrust load properties applied to the plurality of rollers from the rotary body while the rotary body rotates in the first rotational direction; rotating the rotary body in a second rotational direction that is opposite of the first rotational direction; ascertaining second thrust load properties applied to the plurality of rollers from the rotary body while the rotary body rotates in the second rotational direction; and adjusting orientations of bearing assemblies for the plurality of rollers to reduce differences between the first thrust load properties and the second thrust load properties. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification