Measurement & Fluids

Metalworking Fluids
thumb_metalworking_fluids.jpg Metalworking fluids are the oil- and water-based liquids that facilitate turning, milling, drilling and grinding. These fluids are often lumped together under the general term "coolant," though many metalworking fluids do not primarily perform a cooling effect. Rather, the primary value of many metalworking fluids is to provide lubricity that extends cutting performance and tool life, and to assist in clearing chips out of the way of the cut. Metalworking fluid technology has advanced considerably in recent years, to the extent that finding just the right cutting fluid for a particular machining process can dramatically increase efficiency or productivity.

Featured Zone Content

Long-Lasting Coolant Reduces Costs, Downtime


This shop provides a case in point of the substantial savings that can be realized with the proper coolant formulation. Rustlick Ultracut Pro, available from ITW Rocol North America, lasted twice as long in the sump than the shop’s previous coolant, leading to significant operating and maintenance cost savings.

Take good care of your coolant. Here's how.

Metalworking Fluid Troubleshooting Guide


Here are quick tips for solving the problems with your shop's most significant liquid asset.



Low Foam Technology Solves Production Problems

By: Lori Beckman (editor)
QualiChem brought in its Xtreme Cut 250C coolant to get rid of a foaming issue in a coolant delivery system.

Through-Tool MQL Basics

By: Derek Korn
A white paper from Unist explains a bit about what’s involved with through-tool minimum quantity lubrication (MQL).

PRAB paper bed filter

Paper Bed Filters Control Bacteria Contamination

By: Edited by Stephanie Monsanty
PRAB’s standard and magnetic paper bed filters are said to control bacteria contamination and extend coolant and tool life while increasing surface finish by an average of 27 percent.

Eriez HydroFlow coolant recycling system

Coolant Recycling Systems Minimize Fluid Disposal

By: Edited by Stephanie Monsanty
HydroFlow coolant recycling systems from Eriez are designed to recycle any water-miscible fluid.

Hybrid Lubricant Offers Advantages

By: Derek Korn
An organic-urea-based, oil/grease hybrid lubricant can reduce machine maintenance costs and lead to longer coolant life.


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