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US 8,616,042 B2Granted
Method and apparatus for calibrating dispensed deposits
AssigneeIllinois Tool Works Inc.
InventorRobert W. Tracy
Life of this patent
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Abstract
A method of calibrating a dispenser of the type having an actuator that is movable over a variable stroke distance includes dispensing a quantity of viscous material from the dispenser by moving the actuator over one of a plurality of stroke distances, weighing the quantity of viscous material, repeating the acts of dispensing and weighing for each of the plurality of stroke distances, and displaying the weight of each of the dispensed quantities to a user using a user interface device.
Claims8
A method of calibrating a dispenser of the type having an actuator that is movable over a variable stroke distance, the method comprising acts of:
- dispensing a quantity of viscous material from the dispenser by moving the actuator over one of a plurality of stroke distances;
- weighing the quantity of viscous material;
- repeating the acts of dispensing and weighing for each of the plurality of stroke distances;
- displaying the weight of each of the dispensed quantities to a user using a user interface device;
- dispensing a desired quantity of viscous material by adjusting the stroke distance of the actuator according to a function that relates the weight of each of the dispensed quantities to a respective one of the plurality of stroke distances, such that the desired quantity of viscous material substantially has a desired weight,
- wherein the actuator is a first actuator, wherein the quantity of viscous material is a first quantity of viscous material, wherein the dispenser further includes a second actuator that is movable over the variable stroke distance for dispensing a second quantity of viscous material, and wherein the method further comprises acts of:
- dispensing the second quantity of viscous material from the dispenser by moving the second actuator over one of the plurality of stroke distances;
- weighing the second quantity of viscous material;
- repeating the acts of dispensing the second quantity and weighing the second quantity for each of the plurality of stroke distances;
- and
- displaying the weight of each of the dispensed second quantities to the user using the user interface device,
- wherein the function is a first function, wherein the desired quantity is a first desired quantity, and wherein the method further comprises an act of dispensing a second desired quantity of viscous material by adjusting the stroke distance of the second actuator according to a second function that relates the weight of each of the dispensed second quantities to a respective one of the plurality of stroke distances, such that the second desired quantity of viscous material substantially has the desired weight;
- and
- determining a stroke distance offset based on a difference between the adjusted stroke distance of the first actuator and the adjusted stroke distance of the second actuator.
11 more elements
A controller coupled to a dispenser of the type having an actuator that is movable over a variable stroke distance, the controller comprising:
- a calibration component configured to perform acts of:
- dispensing a quantity of viscous material from the dispenser by moving the actuator over one of a plurality of stroke distances;
- weighing the quantity of viscous material;
- repeating the acts of dispensing and weighing for each of the plurality of stroke distances;
- and
- displaying the weight of each of the dispensed quantities to a user using a user interface device coupled to the controller;
- wherein the controller further comprises a dispensing component configured to perform an act of dispensing a desired quantity of viscous material by adjusting the stroke distance of the actuator according to a function that relates the weight of each of the dispensed quantities to a respective one of the plurality of stroke distances, such that the desired quantity of viscous material substantially has a desired weight;
- wherein the actuator is a first actuator, wherein the quantity of viscous material is a first quantity of viscous material, wherein the dispenser further includes a second actuator that is movable over the variable stroke distance for dispensing a second quantity of viscous material, and wherein the dispensing component is further configured to perform acts of:
- dispensing the second quantity of viscous material from the dispenser by moving the second actuator over one of the plurality of stroke distances;
- weighing the second quantity of viscous material;
- repeating the acts of dispensing the second quantity and weighing the second quantity for each of the plurality of stroke distances;
- and
- displaying the weight of each of the dispensed second quantities to the user using the user interface device;
- wherein the function is a first function, wherein the desired quantity is a first desired quantity, and wherein the dispensing component is further configured to perform an act of
- dispensing a second desired quantity of viscous material by adjusting the stroke distance of the second actuator according to a second function that relates the weight of each of the dispensed second quantities to a respective one of the plurality of stroke distances, such that the second desired quantity of viscous material substantially has the desired weight;
- and
- wherein the dispensing component is further configured to perform an act of determining a stroke distance offset based on a difference between the adjusted stroke distance of the first actuator and the adjusted stroke distance of the second actuator.
14 more elements
Dependencies are inferred from the claim text.