Florida, USA: Faro has acquired Laser Projection Technologies (LPT), a supplier of 3D laser projection and measurement systems based in Londonderry, New Hampshire in the US.
These trackers make extremely appealing metrology instruments, especially the ability to capture large volumes of 3-dimensional coordinate data quickly and in real-time. By Minta Chen, marketing specialist, Faro.
The accuracy of an aircraft assembly jig directly affects the precision of a piece that it produces, which, in turn, affects an aircraft’s flight safety and the safety of its crew and property.
Typically, laser trackers are used to inspect the aircraft assembly jigs which form part of the production line. Once component parts of the jig are manufactured, they are put together to become the tool on which aircraft assembly takes place.
Inspection of aircraft tooling jigs with the laser tracker.
These trackers are extremely appealing metrology instruments due to their size, portability, repeatability and accuracy. In addition, the ability to capture large volumes of 3-dimensional coordinate data quickly and in real-time, appeal to the technicians involved.
Through accurate measurements taken, a technician can check to ensure that various component parts are in the right position and within tolerance, as stipulated by design. Without the tracker, these measurements would not be possible with common measurement methods such as fixed coordinate measuring machines or traditional tools.
Manufacturing Applications
Not too long ago, manufacturers had to perform tests on parts and components using stationary coordinate measurement machines (CMMs). This proved vexing and difficult if you were trying to measure large parts or parts still on the production machine. With the portability of laser trackers, 3D measurements can now be completed with unprecedented speed and minimum disruption.
The aerospace industry was one of the earlier adopters in the technology. Using one or more laser trackers, metrology engineers could rapidly and accurately deliver 3D measurements and process improvements.
Tianjin TQM Feiyue Aviation (a subsidiary of Tianjin Motor Dies) based in Tianjin, China, focuses on aviation equipment technology development, transfer and consultancy, as well as the manufacturing of aviation equipment such as spare parts and aircraft sheet metal parts.
Tooling for a Bombardier C-series hatch door.
The company purchased a Faro Laser Tracker back in 2008. Tianjin TQM Feiyue’s project manager, Yan Zhichao, said: “At that time, Airbus was using the Faro Laser Tracker on their shop floor. That prompted us to purchase from Faro, because we wanted to ensure consistency between us and our customer.”
Seven years later, the company purchased a Laser Tracker Vantage, the CAM2 Measure software, as well as the Prime from Faro. Two additional laser trackers and a FaroArm in were added in 2015.
Making Full Use
At TQM Feiyue, the team’s work revolves around different assembly jigs and transportation jigs. Despite the wide-ranging measurement needs of between 8 – 16 m, and accuracy requirements of 0.05 – 0.08 mm, the laser trackers were able to meet the company’s variety of needs. Separately, the FaroArm is used to verify smaller-sized tooling at time of delivery, or used to complement the Laser Trackers in measuring difficult-to-reach areas.
Inspecting a LE700 small aircraft assembly jig with a laser tracker.
In 2015, TQM Feiyue built and commissioned a complete set of aircraft assembly line for General Aviation International (Xi’an) Aircraft Technology (Gavin) line of private jets. The laser trackers were used to perform measurements and inspections, especially in the final stages of the project, before handover.
The company found that its usage of the laser trackers increased over time, with its team clocking as much as 12 hours on the devices each day. The increase in frequency is linked to the need for accuracy on the assembly jigs. The team would bring the laser tracker on-site to take pre-delivery measurements. In addition, as a post-sales service, TQM Feiyue would deploy the laser trackers at their customers’ premises 60 percent of the time, using the device on a variety of work environments.
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Eddy Lek, product marketing manager, Asia Pacific, Faro Technologies explains to us on the importance of measurement accuracy within the metalworking industry.
Eddy Lek, product marketing manager, Asia Pacific, Faro Technologies explains to us on the importance of measurement accuracy within the metalworking industry.
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