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Founded in 1983, Prolink embarked on a mission to write a Statistical Process Control (SPC) software program called QC-CALC™ to interface with all automatic inspection equipment. The need for an easy-to-use data collection and analysis software was apparent then and continues to this day.

Their philosophy is, and has always been, to save the customer time and money by automating as much of the data collection and reporting as possible. Many other SPC packages perform similar statistical analysis functions as QC-CALC, but none offer the automatic data collection, database creation, and part switching that has been Prolink’s cornerstone.

Over the last several years, Prolink has added several new products that further the vision of SPC automation. These new product offerings include the SPC Office Buddy which automates the running of custom Excel and Minitab reports, the Enterprise Report Scheduler which allows you to create scheduled rollup reports and shop floor dashboards, and QC-PLC which collects data from Programmable Logic Controllers.

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QC-CALC Real-Time

QC-CALC Real-Time is used to collect and display measurement results from all CMMs and Video CMMs, without operator intervention. You can create reports and export data to spreadsheets, databases, and other SPC programs. This means you can transfer data from all of your measurement devices to any SPC package using one program!

This is the first program to provide one interface for all machines and one interface for all outputs. Our goal is to make your data collection seamless no matter what equipment you’ve purchased or software you use.


QC-CALC SPC is a complete SPC package that analyzes the data collected by QC-CALC Real-Time. Use QC-CALC SPC’s charts and reports to constantly monitor your process and keep it in control.

QC-CALC SPC offers a wide variety of charts and functions to aid your analysis and give you the power to make on-the-spot decisions. In seconds, QC-CALC SPC gives you a precise picture of how your production line is performing with easy-to-use menus.

Group data from multiple sources, filter it, monitor the shop floor, and run charts with a couple clicks.

SPC Office Buddy

The SPC Office Buddy is a revolutionary new application that integrates directly with Minitab, JMP, and MS Excel to run reports using CMM data collected by QC-CALC Real-Time. This direct integration virtually ends manual data entry once and for all. The Buddy allows you to set up custom filters to reduce your data before sending. When finished, you can run statistical reports or Sixpacks on any subset of your data and then place these charts into your Excel reports in the location of your choice. The Buddy automatically sends each feature’s label, nominal, tolerance, and subgroup information straight to Prolink Charting, Minitab, or JMP without typing, saving you time and money.


QC-Mobile is Prolink’s first web-based application to deliver reports and statistics to the shop floor through a browser. It works as a companion application to ERS by helping you to distribute reports, dashboards, full views and drill down statistics via any web browser on your network.

QC-Mobile is installed as a portable web server onto any PC on your network. Once installed and connected to your local ERS SQL Server database, it immediately allows you to see report history, dashboards and full views using the same user level functionality and ownership that exists in ERS.

There is no install on the client other than the browser of his or her choice.