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Statistical process control - monitoring and measuring processes, process and machine capability
SPC module is intended for statistic process control enabling based on sample selections of process variability, cause revelation and scrap. With the assistance of SPC statistic regulation through measuring, comparison and machine capability can be done. SPC uses AIAG methodics, VDA 4 and norm ISO 22514-2.
Variable character
Variable regulation can be seen in regulation charts type X-R or X-S eventually X-MR for moving spread. Diagrams allow the setting of different types of regulation limits. Measured data are evaluated according to AIAG SPC, VDA 4 and ISO 22514-2 indexes Cp, Cpk - process capability, Pp, Ppk - process performance or evaluation machine capability Cm, Cmk.
Attributive character
For attributive character a regulation diagram by comparison can be used. Acquired values can be seen in diagram types p, np, c, u. Diagrams for attributive character can calculate regulation limits. Diagrams c and u can be used for more types of faults in one card (summary card) and data visualization by Pareto analysis.
Testing data
Software allows testing of measured data in regulation diagrams (trends, runs). Software includes graphical tools for testing data samples to various distributions, Box plot diagram, QQ-plot diagram, autocorrelation, analysis of distribution and other. These tools help search definable causes, succession and addition in measured data.
Data collection from measured devices
Data can be transmitted to SPC transmitted from many digital devices. Routine devices - calipers, height gauges etc. can be used directly to load values. Measured automats, 3D Machines and similar devices can all be loaded in one time from TXT, CSV or DFQ files.
Measured station
The SPC module includes a single module Measured station, what allows user friendly data collection by an operator. This procedure must be prepared by the measured plan. An operator is guided in the software to the correct data collection, by hand or by connected devices and to any response to contravention of regulation limits. Measured station can guard period limits between measuring with visualization.
Collective evaluation
Measured data for more characters or parts can be seen in an arranged collective evaluation. The evaluation can be done using different parameters (time period, operator,...). It allows quick orientation and finds characters which are important for production.
Reports and outputs
This module includes many prepared print reports in English. With the help of print editor the user can create their own print reports with many types of graphs, data and calculations in SPC. Using the Reporting module (Palstat CAQ included) summary reports for weeks or months reports or online visualisation measured data can be created.
