Er Makina performs gear inspection and dimensional control precisely. Having advanced quality control department make us monitor accuracy of our parts during production processes. Ensuring the all parts we produce conform to cusotmers’ requirements is primary objective at Er Makina. Our gear inspection labrotary is enviromentally controlled and features the high technological inspection equipment including CMM, Gear Profile Measurement Machine (Gleason 475 GMS), hardness  tester, surface quality inspection machine, profile projector and wide range of gages.


In addition rigoruos quality control capabilities, Er Makina is able to perform Non Destructive Testing (NDT) methods in house. Our certified inspectors assure high quality for our parts to meet the requirements of international standards and customers. 

  • Magnetic Particle Inspection (MPI) , Level II
  • Nital Etch, ISO 14001 and AMS 2649
  • Dye Penetrant

Achievable Gear Qualities

  DIN Quality Level
Shaping 7 - 8 - 9
Hobbing 7 - 8 - 9
Grinding 3 - 4 - 5 - 6 - 7
Internal Grinding 5 - 6 - 7


In addition to customers approvals, Er Makina is AS9100 Rev C and ISO 9001:2008 certified for manufacturing of gears, gearboxes and components.
AS9100 Rev C . ISO 9001 : 2008