The Prinhead to powder distance (PPD) is cirtical to ensure part quality.
With this tool we provide a way to check PPD on costumers site. With this tool you can measure also is
possible to recalibrate PPD after a mechanical repair.
This tool gives a way to measure PRS in operational conditions (hot machine, and with powder)
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INC, HP, "PRINHEAD TO POWDER SPACE LASER MEASURE TOOL", Technical Disclosure Commons, (July 30, 2018)