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[December 2004]
New Lifting Bars Cut Costs for Ceramic Mill Operators
Grinding mill operators can save money and reduce waste, according to Metso Minerals Mill Linings (Trelleborg, Sweden), by using its new Skega Ecoline lifter bars. Breakthroughs in design mean that the new system offers further enhancements to the company's proven technology for batch and continuous grinding mills.
One of the key innovations in Skega's new system is that the rubber lifting bar can be easily separated from the aluminium attachment profile. A detachable fixing system allows it to be replaced when it eventually wears out. The profile can then be fitted with a new rubber bar ready to resume work. Reusing the aluminium profile gives a significant cost saving and reduces the amount of waste compared to earlier bonded systems where both profile and rubber had to be replaced together.
Ecoline has been developed with both economy and the environment in mind, drawing on Skega's expertise in plates and lifter bars which has been proven in more than 1,500 installations world-wide. The eco-friendly policy includes the manufacture of the new range, which minimises the use of solvents.
The Skega system is tailor-made to each installation and is quick to install and easy to replace. The lifter bars are delivered in standard lengths to be cut during installation. A full range of profiles and sizes is available. Bars are 1760mm long with widths of 140mm and 100mm and heights from 85mm to 135mm to suit different applications. The width, height and spacing of the Ecoline lifting bar can be matched with suitable plate thicknesses to produce optimum performance in any situation.
The system also features a tighter joint design. The detachable aluminium profile allows the rubber to be compressed during installation, minimising the risk of underpacking.
Even the fixing system can be salvaged and reused in due course. When the components eventually wear out, they can be easily separated for recycling.
Use of the Skega system can reduce lining weights by up to 75% and noise by up to 50% compared with other non-polymeric lining materials.
ENDS