Electrode Discharge Machining
When QC inspectors complete the dimensions check, electrodes will be sent to Polishing Section to polish away the surfaces to their requirements then released to the EDM Section.
EDM Technicians will check the number of the Work Piece (Steel Insert; Beryllium Copper and others), the Copper Electrodes , Set up Data Sheet and the EDM program number, to ensure all these items belong to the same job order.
Mount the work piece onto the EDM Machine and calibrate and reset the Datum, input the EDM program and Set according to the requirement. Double check the above then start the testing procedures, confirmed the tested EDM position and the settings are correct then start EDM process.
During the EDM processing, frequently checking the flow of the fluid to ensure no deposition of carbon on the work piece or no undercut was made. Check the dimensions of the work piece with measuring instrument or gauge during EDM process if necessary.