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D 127 Jet engine parts microphase cleaning to allow cracks detection ( Date: 2007-02-09 )
Jet engine parts from repair and maintenance made of stainless steel, nickel-alloys and titan are cleaned from grease, oil and combustion residue by a micro phase system in a one-chamber spray plant; thereafter crack detection
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Type of cleaning : Multitask equipment
Confined spray cleaning, low pressure (below 14-20 bar)
Cleaning support : Heating up the agent
Automated mechanical support (spraying, brushing a
Description :
Since when do you apply current cleaningsystem? : 1 / 2006
Step : 1. Cleaning, 800 litre, 50,0 ░C, 5,0 min, (ZESTRON VD 200)
2. Spray-rinse, 400 litre, 50,0 ░C, 3,3 min, (ZESTRON VD 200)
3. Drying, 60,0 ░C, 21,7 min, (No agent)
Duration of cleaning process for one part (min.) : No statement
Duration of cleaning process for the charge (min.) : 30,0
How often is the cleaning done (per day) : 1,5
Further treatment : measurement, testing
Crack inspection
Surface requirements : No statement from company
Description: No residue shown at wipe test, hydrophilic
Quick tests Quick technical test for fatty/oily soiling
Wipe test, water break test
Advanced tests : No statement
Quality of cleaning : very good
Company evaluation of cleaning process in general : very good
Comment :
Incidences : No statement from company
Working environment : No statement from company
Protection equipment : gloves
Covered / closed plant

Evaluation by company personnel
Occupational safety and health : very good
Environment protection : very good
Cleaning time : good
Waste management : good
Cleaning quality : very good