Monitoring Equipment Manufacturers
Shaft Encoders, Speed Relays and Vibration Sensors
Minimising downtime, optimising plant efficiency
The “Rotech” range of monitoring equipment includes motion sensors/encoders, vibration sensors, and associated speed relays. Users install the heavy-duty sensors on the end of the shaft or on the belt they want to monitor. The sensors send an electrical signal proportional to the speed of the shaft or belt to a suitable control unit. The control unit may be a “Rotech” speed relay, a programmable controller, a computer, a data logger device, or other proprietary control equipment. Operators set the alarm level just below the normal running speed of the shaft.
In the event of the shaft/belt slowing below the set level, the control unit operates and can be connected to give an alarm to the operator and/or shutdown preceding items of plant. Wherever materials are transported or processed by conveyors, elevators, screws, crushers, mixers etc. there are applications for “Rotech” motion sensors/encoders.
Applications for Shaft Encoders, Speed Relays and Vibration Sensors
Excellent examples of applications include factories, quarries, mines, power utilities and dock installations which process food, grain, pharmaceuticals, chemicals, sand, stone, cement, ore, coal, ash, in factories, quarries, mines, power utilities, and dock installations.
A single conveyor can operate smoothly for long stretches of time without showing any signs of trouble; however, it will not continue running efficiently forever. Over time, components gradually wear down, tension decreases, and friction increases. As a result, the system may begin to slip, hesitate, or slow down. At first, these changes may seem minor; nevertheless, they often signal the beginning of more serious mechanical issues. Therefore, when these warning signs appear, operators must respond immediately. If they do not switch off the conveyor, the crusher, or the upstream plant equipment that feeds material onto the belt, material will continue to accumulate. Consequently, this buildup can quickly escalate into a significant spillage event that disrupts operations and increases cleanup costs.
Similarly, in a large industrial facility that operates numerous conveyors and multiple drive systems, overall system complexity increases substantially. In addition, each added drive, pulley, and motor expands the number of components that require monitoring and maintenance. As complexity rises, the likelihood of mechanical issues, belt misalignment, overload conditions, or unexpected shutdowns also increases. Ultimately, every additional drive element creates another potential point of failure, and thus, the overall risk multiplies across the plant.
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