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Minimum Quantity Lubrication (MQL)

SpiderCool and Accu-Lube have partnered to bring the benefits of MQL to the machining center market. Using the SpiderCool automated positioning technology and custom engineered nozzle design it is now possible to set and memorize variable MQL positions for each tool, regardless of length. Electronic fan nozzle positions can even be set using SpiderCool's "autodrill" oscillation cycle.

See SpiderCool MQL article in January 2009 Modern Machine Shop

MQL "Minimum Quantity Lubrication" (Near Dry Machining) Demo


To view video click on the "Play" button on or below video

Machining metal creates chips and heat. Some materials and cutters can tolerate more heat than others.  Chip removal from the cutting area is critical. Traditionally the machining industry has utilized flood coolant to cool the tool, the part, and evacuate chips. Advanced tool technology has created the ability to perform near dry machining and even totally dry machining on some materials. 

ITW Rocol North America, a subsidiary of Illinois Tool Works, a Fortune 200 company, manufactures and markets the Accu-Lube System. Accu-Lube has been the industry leader in Near Dry Machining/MQL for nearly 20 years. 

The Accu -Lube system uses a special applicator, manually positioned, to apply a proprietary lubricant via compressed air at the cutting edge of the tool. The Accu-Lube  process eliminates hazardous atomizing and "mist".  

Although this technology would be effective on machining centers with tool changers, up until now it has not been extensively used.  This is due to the necessity of manually positioning and repositioning the applicator to accommodate changing tool lengths, which would adversely affect part cycle times.