Image

Making accurate measurements on large gantry machines

May 20, 2013
Gantry machines used in the aerospace and die/mold industries process large components that need to be machined accurately. But it is difficult to mount an accurate scale on a gantry machine’s large work envelope. To solve this problem, engineers at Heidenhain Corp., Schaumburg, Ill. (www.heidenhain.us), developed the LC 200, a multisection absolute scale that assembles and mounts on a gantry or other large-scale machine tools. Its tongue-and-groove design lets the extrusions of the scale easily slide together.

Gantry machines used in the aerospace and die/mold industries process large components that need to be machined accurately. But it is difficult to mount an accurate scale on a gantry machine’s large work envelope. To solve this problem, engineers at Heidenhain Corp., Schaumburg, Ill. (www.heidenhain.us), developed the LC 200, a multisection absolute scale that assembles and mounts on a gantry or other large-scale machine tools. Its tongue-and-groove design lets the extrusions of the scale easily slide together.

The scale, a steel tape, can measure components and raw materials up to 28 meters long with ±5-μm accuracy. But even with large measuring lengths, the position value comes from only two graduation tracks. The absolute track has a serial code embedded in it that provides unique values over its entire length. The other track, an incremental track, is interpolated for the exact position value.

The LC200’s optoASIC ensures high output signal quality. The device can be powered by 3.6 to 14-Vdc power supplies.

Sponsored Recommendations

Sept. 16, 2025
From robotic arms to high-speed conveyors, accuracy matters. Discover how encoders transform motor control by turning motion into real-time datadelivering tighter speed control...
Sept. 16, 2025
Keep high-torque gearboxes running efficiently with external lubrication and cooling systems delivered fast. Flexible configurations, sensor-ready monitoring, and stocked options...
Sept. 16, 2025
Now assembled in the U.S., compact P2.e planetary gear units combine maximum torque, thermal efficiency, and flexible configurations for heavy-duty applicationsavailable faster...
Aug. 22, 2025
Discover how to meet growing customer demands for custom products without overextending your engineering team. Learn how scaling your automation strategy can help you win more...

Voice your opinion!

To join the conversation, and become an exclusive member of Machine Design, create an account today!