MIRS Introduced By Pirelli

Pirelli recently invited journalists and analysts to its factory at Bicocca, Milan in order to see first hand the company’s new manufacturing process MIRS (Modular Integrated Robotized System). MIRS reduces the steps in tyre manufacturing from 14 to 3 and a tyre can be produced every three minutes. Tyres are built round a special drum, with the instructions given to the robots (the process is totally automated) through a barcode.

The tyres are said to be more uniform and consistent. As well as its speed and flexibility, MIRS has the advantage of compactness and a line capable of producing 125,000 tyres a year can be sited in an area of a mere 350 square metres. Pirelli Chief Executive Marco Tronchetti Provera said that Pirelli will invest 50 million Euro over the next three years in 80 MIRS lines, increasing output by ten million tyres a year.

Two of these lines will be located at Pirelli’s Burton-on-Trent factory in the UK, concentrating on SUV and 4×4 tyres. Burton stopped making tyres in 1994 and the news is a welcome change for the UK tyre manufacturing industry. It is a large factory, and there is ample scope for more MIRS lines to be added in the future, should this be Pirelli’s strategy.

The figures associated with MIRS are truly impressive; investment costs are lower than for traditional factories and the minimum economic batch size has been reduced from 3,200 units to 375. The time taken to change sizes comes down from 375 minutes to 20. Workforce productivity is increased by 80% and MIRS uses less energy than a ‘normal’ plant.

The manpower needed is significantly reduced too – it is estimated that 850 staff will be needed to produce the proposed ten million tyres. There is one other figure which, in these days of competition and falling prices, is even more interesting – a MIRS tyre is 25% cheaper to produce than a conventional tyre..