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Contact SupplierThe chart-gage is a gage and it must be treated as such. The following considerations are important:
• It should be made of a dimensionally stable material. Rigid material is preferred.
• The humidity and temperature coefficients must be considered.
• The lines on the chart-gage must be uniform in width with sharp edges.
• The lines must withstand normal usage and cleaning.
• They should be stored flat (never rolled) in a normal gage room environment.
• They should be calibrated at intervals determined by the usage.
• The Chart-Gage Master image should be produced with a precision plotter to .001” or
better accuracy.
• The final chart-gage should be accurate to ±.002 or 10% of the part tolerance times
the magnification used, which ever is greater.
• Calibration fiduciary marks should be included for dimensional control.
Custom Optical & Digital Chart-Gages:
We have over 60 years of experience in chart-gage and we will put this experience to work for you. A CAD file or a marked-up print along with the chart size and magnification is all that is usually required for us to price your custom Chart-Gage.