Marking Device Print Field Adjustment for Large Objects

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Solution Overview

Problem

Existing apparatuses for transmitting objects onto a boundary surface using a marking device are limited by the device's print field dimensions, unable to handle objects larger than the print field effectively.

Innovation Solution

A method involving a marking device, locator device, and control device that determines the current position and print field of the marking device, compares the object's starting position against the print field, and provides adjustment instructions for accurate marking, allowing for objects larger than the print field to be marked by positioning the device correctly and sequencing multiple objects based on distance from the print field.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If the marking device is used to mark objects, then marking precision is improved, but the device cannot handle objects larger than its print field

Engineering Contradiction:
Improvemarking precisionVSAvoidhandling capability for large objects
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The method segments the marking process into multiple sequential steps. The control device divides a large object into multiple marking zones based on the print field boundaries, and the marking device processes each zone separately by moving to different positions. This allows the marking device to handle objects larger than its print field while maintaining marking precision for each segment.

Inventive Principle:
Principle #1Segmentation

2Productivity

If the marking device processes multiple objects, then productivity is improved, but device complexity increases

Engineering Contradiction:
Improveprocessing capacityVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The locator device continuously provides feedback on the current position of the marking device and the boundary surface. The control device uses this feedback information to automatically calculate and determine the print field position, compare it with object coordinates, and generate appropriate marking instructions. This automated feedback loop enables efficient processing of multiple objects without requiring complex manual intervention.

Inventive Principle:
Principle #23Feedback

3Measurement precision

If the locator device determines position continuously, then positioning accuracy is improved, but energy consumption increases

Engineering Contradiction:
Improvepositioning accuracyVSAvoidenergy consumption
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The locator device determines the position of the marking device at regular intervals or at key decision points during the marking process, rather than continuously. The control device uses these periodic position measurements to calculate the current print field and determine whether marking operations should proceed. This periodic measurement approach maintains sufficient positioning accuracy while reducing energy consumption compared to continuous monitoring.

Inventive Principle:
Principle #19Periodic action

Data Source

PatentUS10907964B2Method for transmitting an object onto a boundary surface
Publication Date: 2021.02.02 HILTI AG
  • US10907964B2 patent drawing
  • US10907964B2 patent drawing
  • US10907964B2 patent drawing

AI summary

A method for transmitting objects onto a boundary surface by a system comprising a marking device having a print field, a locator device, and a control device is provided. The method includes selecting a first object to be marked having a first starting position and first target coordinates. The dimensions of the first object are bigger than the dimensions of the print field. The method also includes determining by the locator device a current position of the marking device, and determining by the control device a current print field of the marking device based on the current position of the marking device. The method also includes comparing by the control device the first starting position of the first object to the current print field of the marking device.