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Mining

Operations in the mining industry include heavy machineries for the exploration and processing of metals, minerals and materials extracted from Earth. Due to safety concerns, these operations need to be monitored for any defect in machineries to avoid downtimes and operational hazards. Accomodating sensors to the mining processes helps in ensuring safe operation and protect critical assets of the industry.

The mining industry has seen the evolution of IoT technology in reducing the need of human intervention and revolutionising the management and operational processes. Wireless sensors also have had a great scope in this industry with devices operating from built-in internal battery or energy harvesting.  Other than these technologies, this industry also incorporates the use of RFID wireless communcation and data logging for pressure sensing applications.

Gas detection in the mining site

It’s no wonder that mining work can be really dangerous with the presence of harmful vapours inadvertently releasing within a mine. Some of these vapours such as methane are highly inflammable and they can cause explosions in the mine ending up in fatility within few minutes. This is why safety should be the primary concern to be addressed before getting on with any mining operation. Bestech Australia provides solution for detecting such harmful gases to determine which area is safe to work in. BeanDevice ONE-TIR system by Beanair is used for this purpose.  The system is integrated with an embedded wireless temperature...


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Monitoring the condition of infrastructure and equipment

The on-site equipment and infrastructure in a mining site need to be regularly monitored for health and compliance concerns. Although, due to the site being remotely located in a very less accessible location, the condition monitoring becomes very tough. To know the condition of an equipment, it’s good to know the vibration level of the equipment. Wireless accelerometers are ideal for use in this situation for dynamic measurement on embedded equipment. Bestech Australia provides BeanAir SmartSensor Series for  vibration analysis, movement detection, structural health monitoring (SHM) and inertial measurement. The setup and integration is fairly easy, with no wiring required for assembling. These...


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Detection of airflow and pressure in mines

A major concern of safety in the mining industry is the proper ventilation in the mine. Not taking care of underground ventilation may lead to reduced air quality, reduced oxygen levels, and even a build up of toxic gases. Therefore, monitoring and measuring airflow in mine shafts is indespensable to ensure operational efficiency and compliance with safety and health statutory requirements. Pressure sensors are used for the detection of airflow and pressure in the mines. Bestech Australia offers special wireless sensors facilitating industrial pressure sensing with RFID wireless communication and data logging. The 21D RFID series from Keller is based on chip-in-oil technology to measure pressure....


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Position of piston in hydraulic excavators

Hydraulic excavators are used in the mining industry for performing tough mining jobs such as demolition and other tasks related to moving large amounts of materials, such as minerals, from one area to another. The excavator use hydraulic cylinders for creating mechanical force in a linear motion. A hydraulic cylinder comprises of a tube  capped at either end with a rod sticking out of one side, which is attached to a piston separating the internal rod side from the internal cap side of the cylinder. Now, in order for the hydraulic cylinder to function well, the piston rod must be bored through its center....


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Detecting hot spots in a mine

In coal mining sites, due to the presence of moisture content in the coal and its volatile nature, combustion of coal becomes a significant hazard and is required to be monitored at its early stage in order to take appropriate controls to prevent accidents such as fires, explosions, asphyxiation, loss of life, equipment and resources. Using thermal imaging camera, these hot spots can detected at an early stage and such mining hazards can be prevented. Bestech Australia provides thermoIMAGER range of thermal imaging camera for this purpose. The sensors are ideal for temperature monitoring during melting, hardening and forming processes. The sensor features a USB...


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Mapping the profile of the underground mine

In a mining site, some crucial operations such as expansion of the mining site for operation and ensuring the safety of a site require proper mapping of the site. Since an underground mine has significant areas of rock mass movements and surface displacements, it is highly prone to slope instabilities with risks to personnel, equipment and production. Hence, mapping of the underground site is done using a long-range laser sensor for tracking the autonomous guided mining vehicles in the underground mine environment. The optoNCDT ILR series sensors by Bestech Australia provide non-contact measuring techniques for up to 300 m without reflector and up to 3000 m...


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Piston position detection in hydraulic cylinders

While magnetostrictive and inductive sensors are commonly used for the detection of piston position in hydraulic cylinders, they are often expensive options that are difficult to scale. The main problem is the availability of a wide variety of hydraulic cylinder models: what works on one cylinder model might not work on another. For this purpose, a cost-effective solution can be the use of a magneto-inductive sensor. These sensors are known to provide results with high resolution and repeatability.  The working principle of this sensor is quite simple. The sensor is positioned outside the cylinder that detects the magnetic field distribution...


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Gap analysis in axial piston pumps

Often used in slow-moving machines that lift, turn or grip objects, the axial piston pump is a device for converting kinetic energy into hydraulic lift energy. The inside of the pump is a cylinder with a piston that rotates between two fixed plates that helps to create hydraulic pressure. For efficient operation, it is important that all mechanical parts rotate properly. To ensure this, the gap between the components and friction must be minimum. In such cases, we require a sensor that is resistant to high speed and pressure, just like eddyNCDT inductive miniature sensors. This sensor belongs to Micro-epsilon...


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Optimizing weld seams with profile measurements

Whether it is about manufacturing, agriculture, or even the service industry, automation is at the core of every successful business. For example, “Inrotech-Crawler”, is a welding robot that is developed by Inrotech A/S in Denmark. The robot helps in calculating the welding process prior to its execution. Here, it uses the robust and extremely precise measuring components from Micro-Epsilon to monitor the quality of weld seams. A scanCONTROL 2900 is a laser scanner from a new generation of measurement devices. The scanner is used in the robot and performs profile measurements during the welding process.  With the SDK (Software Development...


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