Strainstall Ltd. - PRODUCT NEWS

 




Protect your Conveyors

Overloading and increased tension can lead to serious downtime and valuable lost production.

Reducing downtime has always been at the forefront of any mining operation, with the
material handling process being of the upmost importance. Any interruption in this cycle can prove very costly.

UK company Strainstall, a broad-based engineering business, specialising in load measurement and sensor based safety technology with over 45 years of experience in a wide range of industries has recently made a foray into the mining industry. The company's products are applicable to most bulk handling and quarry systems, but of particular interest to the mining industry is its introduction of a new system for monitoring the tension in chain conveyor applications such as the AFC (Armoured Face Conveyor~ utilised in longwall operations.

The chain monitoring system provides operators with data on the tensions in the chains, and should the loads reach pre-set limits, the system has the facility to decrease/increase tension in the chain, generate alarms to warn operators to take corrective action before any breakdown occurs or stop the conveyor. This avoids the possibility of chain failure resulting in machine downtime, which is crucial especially in a longwall operation.

The system utilises proven Strainstall load pins or compressive load cells (depending on the application) to measure the tension in the conveyor drive chain, with the resulting data transmitted to an electronic display.

Specifically designed to operate in extreme temperatures and resistant to high moisture levels, abrasive materials and vibration, both the load pins and load cells are ideal for use in the harsh conditions. The load pins are also resistant to the effects of metal fatigue, a condition caused by being subjected to repeated cyclic loads. The systems can also include custom designed software to suit the needs of the individual customer and a range of display options to provide a fully bespoke solution.

System features and benefits include:
• Significantly reduced system downtime providing substantial cost savings
• Maximised chain life
• Increased reliability and productivity
• Reduced maintenance requirement
• Simple (non intrusive) integrated system
• Robust and hermetically sealed
• ATEX/IECEx certified for use in Zone 1 and Zone 2 Hazardous Areas
• Reliable, long term operation

Adrian Coventry, engineering director said: "This new systems means conveyor operators no longer have to worry about chain overloading and potential system failure, which has the additional benefit of providing significant cost savings from both improved operation and increased chain life. Also, as it uses our load cells and pins that have many years of proven use in harsh environments, they are can be assured our system will provide long term, hassle-free operation."

Based in Cowes, Isle of Wight, the company has long been associated with the manufacture of standard and bespoke load cells.
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October 2012

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