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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
 


  Material  |  Dirt  |  Equipment  |  Agents  |  Process  |  Costs  |  Evaluate  |  Comparison  

Material:

Parts from disassembled jet engines (repair, maintenance): parts from stainless steel (0.1 kg and 80 mm diameter), parts from Nickelbase alloy (20kg, 550 mm diameter), parts from Titan
METAL / NON METAL : stainless steel, titanium, nickel-based alloy
Shape : smooth surfaces, a complicated geometry
Utilisation of equipment (throughput,workload) in % : No statement
Maximum possible throughput of parts per year : 122.000
Max. area which can be cleaned per year : No statement

Dirt:

mineral oil, grease, burned oils
Previous process : Dissassembling of the jet engines

Equipment:

Einkammer Spritzreinigungsanlage
Size of working chamber, Gr├Â├če der Arbeitskammer ca. 1,5 x 1,5 x 1,5 m

Process:

Multitask equipment,Confined spray cleaning, low pressure (below 14-20 bar)

1. Spray-cleaning from a 800 ltr. bath (10%), 5 min. at 50┬░C; 2. Rinsing from a 400 ltr. bath (10%), 3.3 min. at 50┬░C; 3. Drying, warm air, 21.7 min.

Duration of cleaning process for one part (min.) : No statement
Duration of cleaning process for the charge (min.) : 30.00
Recycling : Step:1 So far (2/2007) there has been no bath exchange (13 months)
Step:2 No statement
Step:3 No statement

Quality:

No statement from company

No residue shown at wipe test, hydrophilic

Subsequent process:

measurement, testing, Crack inspection

Costs:

Total sum : No statement


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