Method and calculator for determining offset and angularity of coupled shafts

Claim 1

A alculator for calculating at least one of offset and angularity of two interconnected drive shafts with respect to one another comprising; a. a keyboard having at least numerical keys for inputting measurement data, b. a display connected to the keyboard for displaying numbers typed on the keyboard and numbers calculated therefrom, c. a face plate to which the keyboard and display are attached having thereon: (i) at least one illustration of a stationary machine having a shaft connected to a shaft of a machine to be shimmed with gauges mounted on the shafts, and (ii) indicia near the illustration which identifies (a) a coupling center line through the connected shafts, (b) a front foot and a back foot of the machine to be shimmed, (c) distances between the gauges, (d) a distance between the front foot and the back foot of the machine to be shimmed, (e) a distance between the coupling center line and the front foot of the machine to be shimmed, and (f) at least one distance between the gauges and one foot of the machine to be shimmed, d. a memory unit storing at least one program and capable of storing the input measurement data, e. indicator means attached to the face plate near the illustration and indicia to indicate places to be measured in a sequence compatible with a program contained in the memory unit, f. a processing unit connected to the keyboard, memory and display for receiving data entered on the keyboard, calculating at least one of offset and angularity according to a program contained in the memory and transmitting a result to the display, and g. a decoding unit connected to the processing unit, display, indicator means and memory for receiving signals from the processing unit and for actuating the indicator means, display and memory.

Claim 5

A method for determining the angularity of two coupled shafts one of which extends from a first machine and the second of which extends from a second machine having at least a back foot and a front foot comprising the steps of: a. determining a first distance by which the front foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, b. determining a second distance by which the back foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, c. computing a difference between the first and second distances, d. measuring a third distance between the front foot and the back foot of the second machine, and e. dividing the computed difference of step c by the third distance thereby obtaining angularity.

Claim 6

A method for determining the angularity of two coupled shafts one of which extends from a first machine and the second of which extends from a second machine having at least a back foot and a front foot comprising the steps of: a. determining a first distance by which the front foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, b. determining a second distance by which the back foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, c. computing a difference between the first and second distances, d. measuring a third distance between the front foot and the back foot of the second machine, and e. dividing the computed difference of step c by the third distance thereby obtaining angularity.

Claim 8

A method for determining the offset of two coupled shafts one of which estends from a first machine and the second of which extends from a second machine having at least a back foot and a front foot comprising the steps of: a. determining a first distance by which the front foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, b. determining a second distance by which the back foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, c. computing a difference between the first and second distances, d. determining a third distance between the front foot and the back foot of the second machine, e. dividing the computed difference of step c by the third distance thereby obtaining angularity, f. defining a coupling center line through the coupling shafts, g. measuring a fourth distance between the coupling center line and the front foot of the second machine, h. multiplying the angularity by the fourth distance to create an interim number, and i. substracting from the interim number the first distance thereby obtaining offset.

Claim 9

A method for determining the offset of two coupled shafts one of which estends from a first machine and the second of which extends from a second machine having at least a back foot and a front foot comprising the steps of: a. determining a first distance by which the front foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, b. determining a second distance by which the back foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, c. computing a difference between the first and second distances, d. determining a third distance between the front foot and the back foot of the second machine, e. dividing the computed difference of step c by the third distance thereby obtaining angularity, f. defining a coupling center line through the coupling shafts, g. measuring a fourth distance between the coupling center line and the front foot of the second machine, h. multiplying the angularity by the fourth distance to create an interim number, and i. substracting from the interim number the first distance thereby obtaining offset.

Claim 10

A method for determining the offset of two coupled shafts one of which extends from a first machine and the second of which extends from a second machine having at least a back foot and a front foot comprising the steps of: a. determining a first distance by which the front foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, b. determining a second distance by which the back foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, c. computing a difference between the first and second distances, d. determining a third distance between the front foot and the back foot of the second machine, e. dividing the computed difference of step c by the third distance thereby obtaining angularity, f. defining a reference line through one of the coupling and the coupled shafts, g. measuring a fourth distance between the reference line and the front foot of the second machine, h. multiplying the angularity by the fourth distance to create an interim number, and i. subtracting the first distance from the interim number thereby obtaining offset.

Claim 11

A method for determining the offset of two coupled shafts one of which extends from a first machine and the second of which extends from a second machine having at least a back foot and a front foot comprising the steps of: a. determining a first distance by which the front foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, b. determining a second distance by which the back foot of the second machine must be shimmed to achieve a perfect alignment of the coupled shafts, c. computing a difference between the first and second distances, d. determining a third distance between the front foot and the back foot of the second machine, e. dividing the computed difference of step c by the third distance thereby obtaining angularity, f. defining a reference line through one of the coupling and the coupled shafts, g. measuring a fourth distance between the reference line and the front foot of the second machine, h. multiplying the angularity by the fourth distance to create an interim number, and i. subtracting the first distance from the interim number thereby obtaining offset.