Thousands of machine shops across the globe perform a variety of machining operations for different industries using a wide range of materials. As a result, they face diverse operational and metallurgical challenges.  Additionally, their  customers  often  demand  short  production runs and fast turnarounds, and they must be able to customize and deliver high-quality end products. But many times the common friend of work piece and cutting tool “Metalworking Fluid” complicates the whole process. So who are our enemies? Foam, corrosion, residues, odor & dermal irritation. How do you stop them?  Joe Bennick and John Frauenhoffer,  Castrol Industrial North America, Inc explains most common cutting fluid problems and their probable solutions.  (Originally published at hasscnc.com)