Minimum Quantity Lubrication VS Flood Cooling
In the manufacturing industry, one of the most critical processes is cutting. The accuracy, timeliness, and the quality of the final product rely on it. However, cutting can result in residual heat, leading to tool failure, excessive wear and tear on the machine, and surface roughness that may affect the product's quality. Two popular technologies to combat these issues are Minimum Quantity Lubrication (MQL) and Flood Cooling.
What is MQL?
MQL is a technology that uses a minimal amount of lubricant mixed with compressed air to cool and lubricate the cutting tool. The lubricant creates a thin film on the cutting surface, reducing friction and heat. The use of MQL reduces the amount of lubricant used and limits the amount of debris produced during cutting.
What is Flood Cooling?
Flood cooling pumps a coolant through the machining tool and onto the cutting surface to reduce the temperature of the workpiece and the cutting tool. It keeps the workpiece and tool cool and removes the debris generated during cutting.
Comparison
The main difference between MQL and flood cooling is the amount of lubricant used. MQL uses only a small amount of fluid, making it an environmentally friendly and cost-effective choice. On the other hand, flood cooling uses a large amount of fluid and produces a significant amount of waste. However, flood cooling is known to provide high productivity and excellent surface finish for the product.
The table below provides a comparison between MQL and Flood Cooling:
| MQL | Flood Cooling |
|---|---|
| Minimal amount of lubricant used | Large amount of coolant used |
| Environmental Friendly | Produce a significant amount of waste |
| Fewer hazards | More hazards |
| Reduces heat and friction | Provides high productivity and surface finish |
Conclusion
MQL and Flood Cooling are both useful technologies in the manufacturing industry. MQL is a great option when maintaining an eco-friendly workplace and cost reduction is a priority. On the other hand, Flood Cooling is perfect for complex machining operations that require a high level of productivity and superior surface finishes.
When choosing between these technologies, it is essential to take into account the specific needs of your business to identify which technology would be the best fit.
References:
[1] Comparing flood coolant and minimum quantity lubrication: What do they offer? (2019, November 7). Retrieved September 17, 2021, from https://www.prab.com/comparing-flood-coolant-and-minimum-quantity-lubrication-what-do-they-offer/
[2] Minimum Quantity Lubrication (MQL) for Machining. (n.d.). Retrieved September 17, 2021, from http://www.coolube.com/mql/minimum-quantity-lubrication.html