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Minimum Quantity Lubrication
For over a decade, the concept of minimum quantity lubrication, sometimes referred to as "near dry machining", has been suggested as a means of addressing environmental concerns and occupational hazards associated with airborne mist.
In most instances, when cutting fluids are used, an airborne mist is released into the air that eventually falls to shop floors, causing concern for employee health and safety.
By minimizing the use of cutting fluids economical benefits can be achieved; such as reduced costs of lubricant and disposal, as well as machine and workpiece cleaning time.
WHAT IS MINIMUM QUANTITY LUBRICATION?
The basic principal of minimum quantity lubrication is the utilization of precision dispensers to apply the smallest amount of lubricant (typical applications use 1 oz. of lubricant in an 8-hour shift) needed to effectively perform the metal cutting operation.
These dispensers help eliminate friction at the tool chip interface by minimizing the heat that can be generated. Special lubricants, such as Tri-Cool MD-1 and MD-7, are used with these dispensers which are virtually consumed during the machining operation, resulting in residue-free machine surfaces and work pieces, and the elimination of airborne mist.
BENEFITS OF MINIMUM QUANTITY LUBRICATION:
When using minimum quantity lubrication dispensers, the following benefits will be achieved:
Increased tool life
Increased material removal
Improved tolerances
Improved surface finish
No sump maintenance
Less machine downtime
No coolant disposal costs
Higher resale value of chips
Elimination of airborne mist
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