Method of determining wear
AssigneeChroma Corporation
InventorsRobert D. Swain, Ralph A. Stanziola
Life of this patent
Estimating the term…
Abstract
The method uses color to determine the wear of the screw and barrel of the molding machine. The method measures the color and/or color variation to determine the wear. A first material of a first color and a second material of a second color are fed into the machine to create a third material with a third color. The third material is either extruded to form a part or is injected into a mold to form a part. The color of the part is then measured with a measuring device, such as, spectrophotometer. The color will change as the screw and barrel wear. The color value would then be compared with previous color values to determine the amount of wear.
Claims49
A method for determining wear in a machine comprising:
- a. providing a first material of a first color;
- b. providing a second material of a second color;
- c. melting the first and second materials in the machine to obtain a third material of a third color;
- d. obtaining the color of the third color to obtain a first color value;
- e. obtaining a comparison of the first color value with a second color value, a difference between the first color value and the second color value indicates wear in the machine.
A method for determining wear in a machine comprising:
- a. providing a first material of a first color;
- b. providing a second material of a second color;
- c. melting the first and second materials in the machine to obtain a third material of a third color;
- d. forming the third material into a part;
- e. obtaining the color of the third color at a first location on the part to obtain a first color value and obtaining the color of the third color at a second location on the part to obtain a second color value;
- f. obtaining a comparison of the first color value with the second color value.
A method for determining wear in a machine comprising:
- a. providing a first material of a first color;
- b. providing a second material of a second color, which will be melted with the first material in the machine to obtain a third material of a third color;
- c. obtaining the color of the third color to obtain a first color value;
- d. obtaining a comparison of the first color value with a second color value, a difference between the first color value and the second color value indicates wear in the machine.
A method for determining wear in a machine using a first material of a first color and a second material of a second color which are melted in the machine to obtain a third material of a third color, the method comprising:
- a. at a first period of time, obtaining a first sample of the third material and measuring the color of the third color to obtain a first color value;
- b. obtaining a comparison of the first color value with a second color value, a difference between the first color value and the second color value indicates wear in the machine.
Dependencies are inferred from the claim text.