Quality Control

Lab and Foundry

Rapsri has comprehensive quality assurance and quality control facilities in the foundry with a wet laboratory for checking chemistry as a back up. Rapsri measures process capability of chemistry within specification to higher than a CpK of 1.66.


  • Vacuum Emission Spectrometer- ERP integrated for online melt control
  • Microstructure Microscope
  • Universal Tensile Testing Machine/Tensometer
  • Hardness Testing on BHN, VPN and RB Scales
  • Conductivity Meter- temperature control built in
  • Hot Tensile Tester (Sand Strength)

Metrology and Machining

Rapsri measures dimensions for quality control and assures quality by process and machine capability studies. Strong systems in Statistical Quality Control as well as Measurement Systems Analysis for Gauge R&R ensure consistency in outgoing quality.

  • Coordinate Measurement Machine (CMM)
  • Roundness Tester
  • Monochromatic (Optical) Checklite for Flatness Testing
  • Profilograph Computer Integrated
  • Digital Height Gauge
  • Surface Finish Testers Digital
  • Gauges of various types