Mark Techpro And Consultants Private Limited
Mark Techpro And Consultants Private Limited
Guindy, Chennai, Tamil Nadu
GST No. 33AAICM1622R1Z8
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DICRONITE Coating For Anti-Galling

Our service range includes a wide range of dicronite coating for anti-galling.

DICRONITE Coating For Anti-Galling

DICRONITE Coating For Anti-Galling
  • DICRONITE Coating For Anti-Galling
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Service Details:

Service LocationPan India
Service ModeOffline
Service Duration1-2 Days
BrandDicronite

Galling Prevention and Run-InTorque Reduction Situation:
  • An aircraft structures manufacturing company was encountering galling when installing titanium bolts (type NAS1581) to threaded stainless steel nut-plates (type MS21060L6). The fastener system is used to attach a large exterior communications structure to the airframe. The end customer had set a specification of 5 installation/removal cycles with no galling for maintenance purposes. While the manufacturer could achieve this at times during pre-production testing, the results were not reliable and required careful manual installation. 

Testing: 
  • DICRONITE® dry lubrication was coated on bolts and nut-plates for testing of manual and automated installation. Run-in torque was measured and fasteners were inspected for damage following test trials. 

Results: 
  • Manual Installation: As shown, the run-in torque was low and decreased with every installation/removal cycle. No evidence of galling was noted and the coating was found to be in good condition throughout the test. 

  • Automated Installation: The run-in torque measured after the 5th cycle was 32 in-pounds and no evidence of galling or coating loss was noted. The data from the subsequent five cycles (s 6-10) is shown. Interestingly, the 6th cycle run-in torque was higher but then consistently decreased with each cycle. No evidence of galling was noted throughout; minimal coating degradation was observed. 
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Kanakaraj S M (MD)
Mark Techpro And Consultants Private Limited
Regus Olympia, Olympia Tech Park Level 2, Altius Building, No. 1, SIDCO Industrial Estate
Guindy, Chennai - 600032, Tamil Nadu, India


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