Quarry Southern Africa May 2017 - Page 41

MARKETS MARKETS The system uses the moving conveyor to generate electricity, powering a compressor to maintain optimum blade pressure. Sensors detect whether the belt is loaded, automatically relieving tension when the conveyor is empty to help minimise wear. New automated tensioner offers precision, extends service life The Automated Blade System (ABS) can be supplied in two variations, for locations with or without an existing power source. On sites with available power, the company will offer a 120/240V AC version of the system to power the system’s 24V compressor. In facilities able to supply power and compressed air to the head pulley, Martin designs the system so that the panel simply handles the ‘smart’ portion of engaging and disengaging the cleaner blade. For locations lacking convenient power access, the self-contained version uses the moving conveyor to generate its own electricity, Martin Engineering has introduced an automated pneumatic tensioning system for belt cleaners that delivers precise monitoring and tensioning throughout all stages of blade life, reducing labour required to maintain optimum blade pressure and extending the service life of both belt and cleaner. Equipped with sensors to confirm that the belt is loaded and running, the system automatically backs the blade away during stoppages or when the conveyor is running empty, minimising unnecessary wear to both the belt and the cleaner. which powers a small 24V DC air compressor to maintain optimum blade pressure always. Built around the patented Martin Roll Generator, the new self-powered version includes a proprietary storage system developed specifically for this application. With lead acid batteries to hold the energy, the system can produce ample power to drive the compressor, which maintains pressure in the reservoir to re-tension the cleaner as needed. The generator can produce up to 40W at maximum speed, which is sufficient to run components such as weigh scales, proximity switches, moisture sensors, solenoids and relays, as well as timers, lights and safety devices. The batteries, which re-charge during normal running of the belt, supply the extra energy to power the compressor. Wireless communication can be used to transmit directly to a central controller, giving operators a cost-effective way to access data that has not been readily available in the past. The system’s regulated outputs can be individually adjusted to the desired pressure to tension multiple cleaners. MB Crusher’s smallest bucket gets an upgrade system has been added to simplify and speed up on- site maintenance operations. “All our products undergo MB Crusher’s smallest model of crusher bucket, the BF60.1, has been upgraded and the fourth generation is now available. The new series 4 BF60.1 is suitable for heavy equipment from 7.25 tonnes upwards. This version of the crusher bucket has been updated and strengthened, both structurally and technically. A restyling of the BF60.1’s structural layout allows for more agile movement and increased speed during crushing operations, facilitating its use on the excavator. Parts that are subject to stress have been reinforced, new regulation options have been added, the dimension range of crushed material has been extended and a new centralised greasing continuous testing and experimentation to improve them and render them more efficient in the several types of work sites that our clients deal with every day,” says Diego Azzolin, head of MB Crusher design and production. The new series 4 BF60.1 is suitable for heavy equipment from 7.25 tonnes upwards. QUARRY SA | MAY 2017 _ 39