CASE STUDY.
Ashburn Chemical Technologies.
Ashburn 7090 Provides Significant Cost Savings in Magnesium Machining Operation
November 2019
An automotive die casting and precision machine shop in Missouri was experiencing excessive coolant usage in machining operations on die cast magnesium. Ashburn Chemical was brought in to analyze the operation and recommend a solution.
THE CHALLENGE
The shop was dumping and re-charging the coolant every two weeks due to coolant discoloration and part staining. Ashburn Chemical was brought in to analyze the operation and recommend a solution.ASHBURN 7090 was recommended due to its multi-metal compatibility including magnesium, and long sump life.
- Part Machined: Automotive Die Castings
- Material: Magnesium and Aluminum
- Material Grades: AZ91, AM50, AM60, A360, A383
- Coolant Concentration: 10%
RECOMMENDED SOLUTION
ASHBURN 7090 was recommended due to its multi-metal compatibility including magnesium, and long sump life.
THE RESULTS
The low cost soluble oil was effectively the highest cost product due to high carry-off, low tool life, part staining and poor machine condition. Ashburn 7090 outperformed the incumbent product in tool life and part finish while leaving the machine in cleaner condition. 7090 was able to be run at a lower concentrate while achieving the required tapping results. This lower concentrate usage along with lowered initial cost has resulted in a significant cost savings.
RESULT DATA
| Measurement | Ashburn 7090 |
Competitor |
| Sump Life |
||
| – Coolant Discoloration | No color change | Turned black |
| – Coolant Dump/Recharge | Six months | 2 weeks |
| Coolant Usage | ||
| – Annual Drum Usage | 80 drums | 300 drums |
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