Pipe Length Measurement

LASER LENGTH MEASUREMENT FOR HOLLOW PIPE MANUFACTURING

Dimensional, non-contact length measurement of pipes with laser sensors

The dimensional measurement of pipes is crucial to their manufacturing according to strict tolerances. A system integrator uses a pair of AccuRange 1000 laser distance sensors to measure the differential length of hollow pipe during its production. The sensors are aimed at each other, over 30 meters apart. As a round pipe comes to rest in a holding cradle, linear stages move the sensors' laser spots across the pipe's edge. The positional data from each sensor is subtracted from the sensor separation distance to calculate an accurate length measurement.

Developers had to use non-contact sensors because the pipes are often glowing hot. The shop floor has many moving conveyors and other mechanical fixtures to move the large pipes from one stage to the next. Integrators needed non-contact sensors which could be installed away from such hazards.

See the video below for a demonstration of the system.

Axium International is a worldwide systems integrator to a variety of industries. If you would like more information about their measurement solutions, please contact Axium directly. Acuity sells the AccuRange 1000 sensors that were used in this measurement solution.

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