Quality Standards, Tolerances & GD&T

ISO 2768 tolerances, surface finish Ra/Rz charts, CMM measurement, and CAD/CAM optimization.

Metallurgical Microscope: Microstructure & Grain Boundary QC: Metrology & Quality Inspection Standards

Polarized reflected-light optical microscopy examining polished and etched metal specimens for grain size, inclusion rating, and phase balance.

High-precision bridge CMM with scanning probe systems capturing thousands of surface points per second for 3D form tolerances.

Telecentric optical projection inspecting 2D thread profiles, contour radiuses, and chamfers against high-magnification master overlay charts.

High-resolution digital optical camera with sub-pixel edge detection algorithms for multi-point automated 2D dimensional inspection.

Diamond stylus profilometer traversing precision ground, milled, and turned surfaces to calculate micro-geometric Ra, Rz, and Rq roughness values.

High-pressure pneumatic back-pressure measurement determining internal bore diameters, taper, and roundness within 0.0005 mm.

Spherical retroreflector laser tracking measuring spatial 3D coordinates over large machine beds and aircraft tooling jigs up to 80 meters.

Dual-frequency laser interferometer measuring nanometer-level linear positioning errors, pitch, yaw, and straightness on CNC axes.

Telescoping double-ball magnetic link diagnosing mechanical backlash, squareness errors, and servo lag across simultaneous multi-axis arcs.