Keeping Coolant Contamination at Bay

Nov 10, 2023
Keeping Coolant Contamination at Bay

CNC machines have revolutionized the manufacturing industry, offering precision, efficiency, and consistency in producing various components. These machines rely heavily on coolants to keep cutting tools at the right temperature and remove debris during the machining process. However, over time, coolant systems can become contaminated with debris, oils, and other impurities, leading to a range of issues. Sump Shark® sump cleaners for CNC machine sumps play a crucial role in preventing these problems and ensuring optimal performance.


Contamination: The Enemy of Coolants

As essential as coolants are to CNC machining, they are not immune to contamination. Over time, coolants can become polluted with various contaminants, including:

  1. Tramp Oil: Oils from machine parts or lubrication systems can mix with the coolant, leading to reduced lubrication efficiency, increased tool wear, and poor surface finish.
  2. Bacteria and Fungi: Coolant sumps can provide an environment conducive to the growth of bacteria and fungi, leading to foul odors, reduced coolant life, and potential health hazards for operators.
  3. Solid Particles: Chips, swarf, and other solid particles from the machining process can accumulate in the sump, reducing coolant flow and causing filter blockages.
  4. Inorganic Contaminants: Minerals and other inorganic impurities can also accumulate in the coolant, affecting its performance.


Issues Caused by Contaminated Coolant

Contaminated coolant can lead to various problems in CNC machining:

  1. Reduced Tool Life: Contaminants can accelerate tool wear, resulting in more frequent tool changes and increased production costs.
  2. Poor Surface Finish: Contaminated coolants may not provide effective lubrication, leading to rough or imperfect surface finishes on machined parts.
  3. Increased Downtime: Frequent coolant changes and machine maintenance are necessary when contamination is severe, causing unnecessary downtime and production delays.
  4. Health and Environmental Hazards: Bacterial growth in coolants can produce harmful byproducts, posing health risks to operators and environmental hazards if not properly managed.


How Sump Shark Sump Cleaners Can Prevent Issues

Sump cleaners are specialized machines designed to remove contaminants and maintain the integrity of the coolant in CNC machine sumps. Here’s how they work:

  1. Contaminant Removal: Sump cleaners use vacuum systems to extract tramp oil, solids, and other impurities from the coolant.
  2. Coolant Filtration: They often include a filtration system to remove fine particles and debris, extending the life of the coolant.
  3. Bacterial Control: Some sump cleaners use ultraviolet (UV) or other technologies to control bacterial and fungal growth within the sump.
  4. Coolant Replenishment: Sump cleaners can also add fresh coolant or top up the existing coolant, maintaining the desired concentration levels.


Benefits of Using a Sump Shark®

Implementing a Sump Shark® sump cleaner into your production can lead to several advantages:

  1. Extended Tool Life: By keeping the coolant clean and effective, the Sump Shark® extend the lifespan of cutting tools, reducing replacement costs.
  2. Improved Surface Finish: Clean coolant ensures consistent lubrication, resulting in better surface finishes and higher product quality.
  3. Reduced Downtime: Less frequent coolant changes and maintenance mean increased machine uptime and productivity.
  4. Operator Safety: Sump Shark® sump cleaners mitigate health risks associated with bacterial growth, contributing to a safer working environment.
  5. Cost Savings: The reduction in tool wear, maintenance, and coolant replacement costs can result in substantial cost savings over time. Check out CECOR’s ROI Calculator.


In the world of CNC machining, the role of coolants cannot be overstated. Keeping coolant free from contaminants is essential for achieving optimal machining results and minimizing operational costs. Sump Shark® sump cleaners for CNC machine sumps provide a practical and efficient solution to this challenge. By using these specialized machines, manufacturers can ensure their CNC machines operate at peak efficiency while maintaining a safe and clean working environment. Request your quote, today!

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