Topa Hydraulic Fitting Quality Control
Hydraulic Fitting Quality Control
Raw Material Check
Rockwell hardness test the material whether they are strong enough to bear the high pressure.
CMM & 2.5D Measuring
First sample inspection Before we manufacture the mass order, we will inspect the first sample with this machine till to the sample dimension match to drawings.
Trilinear Coordinates Test
Three Coordinate Measuring Machine thread, angle, Internal cone.
Self Inspection
For worker self-inspection, we use small and large boxes, ask them to load 20-30 pcs fitting in a small box, then inspect.
Routing Inspection
Routing inspection Inspector will make the routing inspection every 1.5 - 2 hours
Semi Fittings Inspection
Three Coordinate Measuring Machine thread, angle, Internal cone.
After Plating Inspection
1) we will fully inspect the surface 2) Check threads 3) Use GSG gauges
After Crimp Inspection
We will inspect the finished product one by one check size, burr, surface, and so on.







