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Related Concept Videos

Leveling Equipment01:18

Leveling Equipment

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As leveling involves measuring vertical distances relative to a horizontal line of sight, it requires a graduated rod, called a level rod, for vertical measurements and an instrument called a level for a horizontal sight line. A level includes a high-powered telescope with a mechanism for leveling to ensure the line of sight is horizontal when the bubble in the spirit level is centered. Leveling rods, made of wood, metal, or fiberglass, are graduated in feet or meters and commonly used in two-...
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Electronic Distance Measuring Instruments01:30

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Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over...
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When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
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Development of a High Precision Telescopic Instrument Based on Simultaneous Laser Multilateration for Machine Tool

Juan José Aguilar1,2, Raquel Acero1, Francisco Javier Brosed1,2

  • 1Department of Design and Manufacturing Engineering, University of Zaragoza, María de Luna 3, 50018 Zaragoza, Spain.

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|July 11, 2020
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Summary
This summary is machine-generated.

A new high-precision telescopic system uses simultaneous laser multilateration for autonomous machine tool tracking. This design significantly reduces data capture time and enhances measurement accuracy by minimizing environmental effects.

Keywords:
interferometrykinematic couplingmachine toolmultilaterationtelescopic system

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Area of Science:

  • Metrology and Measurement Science
  • Mechanical Engineering
  • Optical Engineering

Background:

  • Traditional machine tool verification methods can be time-consuming and susceptible to environmental factors like temperature variations.
  • Interferometer systems offer high precision but can be complex and less adaptable for autonomous tracking.
  • Existing systems may require multiple cycles, introducing errors due to machine tool repeatability and thermal drift.

Purpose of the Study:

  • To design and present a novel high-precision telescopic system for machine tool verification.
  • To achieve the precision of interferometer systems with enhanced autonomous tracking capabilities.
  • To reduce data capture time and improve measurement accuracy in machine tool metrology.

Main Methods:

  • Simultaneous laser multilateration as the core measuring principle.
  • Integration of at least three telescopic arms with a novel multipoint kinematic coupling for simultaneous data capture.
  • Autonomous tracking of a sphere attached to the machine tool's spindle nose.

Main Results:

  • The system achieves high precision comparable to interferometer systems.
  • Data capture is performed in a single cycle, significantly reducing measurement time.
  • Improved accuracy is achieved by eliminating errors from temperature variations and machine tool repeatability.

Conclusions:

  • The developed telescopic system offers a practical solution for high-precision machine tool verification.
  • Its design enables compact, agile, and user-friendly operation for small- to medium-sized machine tools.
  • The system's simultaneous data capture capability addresses key limitations in current metrology practices.