Quality Control
STY Machinery has plenty of testing equipments.And we have a professional inspection team with strict requirements for product testing.The testing tool will be calibrated periodically.Each year, all equipment include Japanese Mitoyo automatic CMM, Mitoyo tool microscope, automatic height gauge, height gauge, roughness tester, hardness tester, marble terrace, plug gauge, thread gauge, as well as some common detection tools, all need to be checked and calibrating regularly.
Partial test Equipement Calibration
CMM Calibration and Testing Certificate
Height Gauges Calibration and Testing Certificate
Digital Micrometer Calibration and Testing Certificate
Digital Caliper Calibration and Testing Certificate
Test equipment daily checklist
The surveyors are required to do the spot checking of the tools and record it on the spot check list before the daily testing. The purpose of the spot check is to maintain the high stability of equipment performance and guarantee the high precision of the test equipment. The case of the daily spot check list is as following:
Three coordinate daily checklist tool microscope daily checklist
Tool microscope daily checklist
Hardness tester daily checklist
Surface roughness tester daily checklist
Drawing case after testing
During the production process,production operators need to test the production parts by themselves,record the verified result into the corresponding column in the process card for confirmation,sign and record their own processing time,then surveyors must be strictly in accordance with the requirements of the drawings and technical documents provided for testing.After testing the parts size,the size must be written in the book of the drawings,must strictly abide by tolerance.For non-conforming parts,surveyors need to record in the bad product list of repairing,signed by the repair personnel after repair processing for second inspection.Data is recorded on the defect change list.The drawing after testing is as following:
Drawings after testing
Confirmation on the Technological Process
Defective Products Record list