Engineering Services – eZround

eZround Roundness Upgrade System

Breathe new life into your old roundness gage with complete data acquisition and comprehensive roundness analysis system running on a modern PC with Windows XP or later operating system. The eZround system can be installed to upgrade most any roundness measurement system, Mahr, Taylor Hobson, Zeiss, TSK, Sheffield/Bendix, Hommel, Precision Devices, Jenoptik, etc.

eZround System Features:

24 bit digital probe signal conditioner
Direct to PC with RS232 or USB
24-Bit Resolution
Storage for 2 Calibrated Probes
Selectable Probe Gains
Data acquisition and calibration software
Comprehensive Roundness Analysis Software

eZround Analysis Software Features:

Filter types:

Gaussian
Robust Spline-Based Gaussian (based on robust regression)
Fourier (“brick wall”)
2CR-PC

Reference Circles:

Least Squares Circle (LSC)
Minimum Zone Circles (MZC)
Maximum Inscribed Circle (MIC)
Minimum Circumscribed Circle (MCC)

Parameters:

Roundness (same as circular element “flatness”)
Roundness Peak
Roundness Valley
RMS Roundness
Runout/Eccentricity
Eccentricity Angle
Sector Roundness
Concentricity
Harmonics

Harmonic Tolerancing
Bandpass Filtering
Data Eliminations- Interrupted Surface Analysis
Outlier Removal
Data Adjustment
Parameter Export to spread sheet

Comprehensive Analysis Software

Apply the latest metrology tools (many are not yet available in instruments) including:
– Robust filtering – a methodology recently introduced in ISO.

Export parameter results to a spreadsheet file.
Analyze harmonics and apply tolerance and warning limits to each harmonic.