Cnc Programming

Smt Machine Cpk

Smt equipment capability cpk. Phil lets say you order a bunch of 06 03 passives and you want to make sure that the length which should be 60 mils is consistent with that.

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Process performance metrics 5.

Smt machine cpk. Cpk software 1 install the corresponding nozzle and material according to the nozzle and material configuration in the cpk program warm up operation. It is the number of times the spread of the machine fits into the tolerance width. Process control flow chart 3. Capability machine the cm index describes machine capability. 3 cpk glass substrate 4 cpk bracket glass piece general head 5 cpk lamps 6 cpk double sided tape. Cpk measurement was trialed on some of our lines. The cpk result and product yield after proper calibration were very encouraging. Reflow oven smt smt consumbles smt cutter smt feeder smt feeder parts smt filter smt machine smt nozzle smt spare parts smtsurface mount technologyai standard stencil cleaner such as smt nozzle tdkvcd sequencersmt tht. Cpk problem solvingpcba smt machine 1. Productprocess improvement flow chart 2. Measurement system capability 4. Statistical process control spc cp capability process. The machine is warmed up to reach normal production status. The measurement machine problem was analyzed and a proper measurement machine that fits the requirement was chosen. Find out what cp cpk cm cmk and control limits are.

Theyre not all going to be 60 but you have measured a lot and of course youve set a specification. The higher the value of cm the better the machine. Capability analysis measures equipment performance against desired specification. The cp is a measure of the sharpness of the distribution with respect to the specifications and cpk is a little tougher. For printing a doe was conducted based on the 04mm pitch bga.