Bridge Crane Calculation And Design Software Software And Laser
Bridge Crane Calculation And Design Software Trial Control Panel

Bridge Crane Calculation And Design Software Trial Control Panel

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Grant Gerke Jan 26th, 2015 For this metal industry plant, the production goal was seven-minute cycles per crane to move metal coils weighing 1 to 20 tons.

Two distance meters per crane communicate wirelessly via a Profinet network to the cranes PLC to control the cranes motion.

Overhead gantry cranes are the workhorses inside heavy industry plants throughout the world, lifting massive loads that are either production inputs or the outputs of a plants manufacturing process.

For example, gantry-crane applications in the metal manufacturing arena include the pouring of feedstock into furnaces or the loading of 60-ton coils onto inventory racks.

Given the size and scope of gantry-crane operations, collisions are a real problem.

The sheer size of overhead gantry cranes and their massive loads almost ensures that accidents are never minor.

Through its customers, Trutegra learned that many were incurring ongoing safety issues as well as substantial maintenance and downtime costs when cranes would accidentally bump into various objects or structures as they moved along their work paths.

Many of Trutegras metal industry customers use manually operated bridge cranes with rotating masts that have hoists to lift huge coils of metal.

The system automated gantry-crane operations to the extent that the manufacturer reported that 98 percent of coil stacking is now done automatically.

Bridge Crane Calculation And Design Software Software And Laser

The PC-based control technology, combined with mapping software and laser-guided sensors, enables 10-ton metal coils moving at 3 meters per second to know when to make a 90-degree turn into a 12-foot aisle.

It is stored on the Nanobox PC, located on the gantry bridge.

The industrial PC is ideally suited for the factory floor application.

Its powerful, has no moving parts, is fanless, and it mounts on a DIN rail, says Paul Vogt, vice president of RD for Trutegra.

For this installation, two distance meters per crane communicate wirelessly via a Profinet network to the cranes PLC to help control the cranes motion.

Using the laser-enabled inputs, the Industrial PCs server does the calculations to predict future collisions; it will decelerate the crane if it detects the crane is traveling along a vector that will result in a collision.

The server software running on the Nanobox PC carries two sets of data, along with the direction and velocity of the crane, Vogt says.

The system is constantly assessing all these parameters to determine whether to apply the brakes in any particular axis.

When an e-stop is actuated wirelessly, we disable the safe torque off (STO) inputs on the crane to stop motion.

This can happen when power to the operators wireless is removed, says Vogt.

This HMI functionality allows historical data to be played back as if the data stream were live.

When viewing an archive, the user sees DVR-like controls (forward, reverse, fast forward, fast reverse).

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