Three-dimensional printer with force detection
DCFirst Claim
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1. A method comprising:
- identifying build instructions for fabricating an object;
initiating a build using a three-dimensional printer comprising a fabrication tool and one or more sensors mechanically coupled to the fabrication tool, the one or more sensors configured to detect a current contact force between the fabrication tool and a separate structure;
detecting the current contact force based on a sensor signal from the one or more sensors; and
creating a control signal to control at least one component of the three-dimensional printer in response to the current contact force while depositing material during the build.
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Abstract
An extruder or other tool head of a three-dimensional printer is instrumented to detect contact force against the extruder, such as by a build platform or an object being fabricated. The tool head may also be instrumented to detect deflection forces and the like acting on the tool that might indicate an operating error. The resulting feedback data can be used in a variety of ways to control operation of the three-dimensional printer during fabrication or diagnostics.
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Citations
15 Claims
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1. A method comprising:
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identifying build instructions for fabricating an object; initiating a build using a three-dimensional printer comprising a fabrication tool and one or more sensors mechanically coupled to the fabrication tool, the one or more sensors configured to detect a current contact force between the fabrication tool and a separate structure; detecting the current contact force based on a sensor signal from the one or more sensors; and creating a control signal to control at least one component of the three-dimensional printer in response to the current contact force while depositing material during the build. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification