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We already had general blog posts … But I would also like to have some reactions to technical questions. One example among many others is the question of why the quenching oil is very seldom filtered in German hardening shops.

Four reasons why this should be reconsidered:

1. Better quenching results

With clean oil you can deter you faster and better than with an oil slab, which is often reminiscent of the landings of dumped oil residues on the coasts of the seas. Only missing after the sad picture of sticky bird plumage…. Perhaps not a bad idea to put an appropriate sticker on every furnace that does not endure filtered quenching oil …

Advantage of clean oil: You don’t have to calculate the result, present it with PP or the like, because …

You can SEE it, instantly !!!

2. Only cash is true

Do I have to make any other calculations if the quenching oil service life doubles?

Buyers haggle down to the blood because supplier A is 10 € cheaper than supplier B for a fan blade.

In the case of quenching oil, the service life could be more than doubled if appropriate filter systems were installed, but soiled oil is often accepted without even thinking about the savings potential.

In all negotiations about production systems, the “return on investment” is a key question in all purchases. The purchase of a filter system pays for itself in no time at all, and yet filter systems are not even considered in many systems in our industry.

3. Protection of systems, pumps, etc.

I am always amazed to see that the relatively expensive oils are used “to death” until the oil pan is almost encrusted with residue.

In a vehicle, it goes without saying that there are filters to keep the dirt particles away from the important assemblies in order to achieve the longest possible life expectancy for the engine, for example. And with the car (except for Mr. Vettel & Co.) not even money is made …

This goes without saying with engine and gear oil, but not with quenching oils.

Question to you: Does the oil pump like that? Will it last longer?

 

Not only that the service life of the oil pump is extended, the washing system is also spared, because this is where all of the Schmonz ends up. What happens if the washed component also looks like it has been doused with old frit fat?

One thinks about even more aggressive (and more expensive …) detergent additives … absurd! See heading “Only cash …”

This then inevitably leads (even if you may not be able to hear it anymore …) to the next advantage

4. Environmentally friendly

Everyone knows that old oil is better centered in a filter bag than

  • On the component,
  • In the quenching tank
  • In the pump
  • In the car wash
  • In the sewage

Collecting used oil and disposing of it professionally is active environmental protection!

Now the sticker comes back into play …

The answers are simple, but unfortunately nobody in the companies asks these questions.

When purchasing new systems, the filter system is the first coating position.

Quenching is a core process of heat treatment.

Why is that? Is this topic discussed in the companies? Let’s hear what speaks against it! Have you had similar experiences?

I look forward to your contributions!

Have a busy week

 

Roland Caminades

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