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Ford Motor Co. recently announced that it has added dry-machining capability to six of its plants globally and will nearly double that number in the next few years.
Near-dry machining, also known as minimum quantity lubrication (MQL), is a process that lubricates cutting tools with a fine spray of oil exactly when and where it is needed. In comparison, conventional wet machining floods the part with metalworking fluids, requiring large amounts of fluid to cool and lubricate the tools used to make engines and transmissions.
For a typical production line, MQL can save more than 280,000 gallons of water per year. The Cologne Engine Plant in Germany decreased water use per engine by 50 percent from 2011 to 2012 by switching to the MQL process.
"Reducing the environmental footprint of our plants is a critical part of Ford's overall sustainability commitment," said Andrew Hobbs, director of Ford's environmental quality office. "Expanding new processes such as MQL across our global network of facilities allows us to have an even greater impact."
MQL also reduces the amount of oil needed to machine an engine or transmission by 80 percent or more. Without the need for a coolant system across most engine production lines, MQL also helps to reduce energy use. While conventional wet machining produces an airborne mist, MQL eliminates that mist, improving air quality in the plant.
Plants that have switched to the MQL process include the Livonia Transmission Plant in Michigan, the Changan Ford Engine Plant in China, the Romeo Engine Plant in Michigan, the Craiova Engine Plant in Romania, the Cologne Engine Plant in Germany and the Van Dyke Transmission Plant in Michigan.
"MQL technology will also be incorporated into future engine and transmission plants, underscoring our commitment to advanced manufacturing processes that reduce water and resource requirements," said Bill Russo, director of manufacturing for Ford powertrain operations.
Ford continues to work toward cutting water use 30 percent per vehicle by 2015. Between 2000 and 2012, Ford reduced global water use by 62 percent – about 10 billion gallons.
For more information, visit http://corporate.ford.com.