Rust produces more rust
Unless the processes of oxidation are kept in check, rust and corrosion will continue.
- This type of chemical reaction increases as the temperature and humidity rises. This is mainly problematic in the Eastern and Midwestern United States as drier states such as Arizona, Colorado, and New Mexico exhibit comparatively lower humidity. If the concentration of rust protection fluid does not meet this rise in humidity during seasonal changes, than it becomes necessary to adjust the concentration or apply additives to bolstered coverage.
- PH and bacteria can be a factor as well. Bacteria buildup will consume metalworking fluid components thus modifying the PH. Depending on the type of metal, a PH that is too high or low will increase the level of corrosion. Controlling bacteria growth with microbicides in a central system is a viable fix; within an individual machine is may be easiest to dump the mix, clean the sump and recharge with a new mix.
- Human touch on newly machined surfaces from a person with a highly acidic skin can cause rust and corrosion; using a neutralizing preventative is a good corrective measure. Tiny metal particles accumulating in metalworking fluid is another avenue for rust or corrosion to develop; recirculating a fresh fluid mix will filter out the “dirt”.
- Broken/unstable emulsions or using rust inhibitors passed their recommended effectiveness leads to rust and corrosion; monitoring samples of rust protection and being aware of time required for in-process may demand a longer term preventative.
While effectively using metalworking fluids plays a major role in protecting tooling machinery and its products from rust and corrosion; a secondary issue arises. The areas around these machines become a target arena for slip and falls. Utilizing absorbent pads, socks, and pillows in and around machinery will control this problem and contain the fluids from seeping into traffic areas.
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