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	Shop Talk Blog Please keep comments relative to the subject and be respectful of others. Your opinion, even if it questions the content is valuable to help others learn! Basics: Introduction to CNC Thread Engagement Cartesian Coordinate System Right-Hand Rule Introduction to CNC Control and Servo Loop Electronics Electro-Mechanical: Axis Backlash How-To Measure Machine Backlash Leveling, Alignment, and Calibrations: Material Temperature Sensor Placement for Measuring Linear Displacement Six Degrees of Freedom Repeatibility, Accuracy, Resolution Machine Tool Leveling Basics: Terminology Programmable Electronic Levels and Leveling Measuring Instruments: Interferometer Lasers Precision Electronic Levels Cosine Error in Indicator Readings Electrical: Short Three-phase Voltage Unbalance Description including Calculator! Electric Motor Voltage Quality Problems Stopping a Costly Leak: The Effects of Unbalanced Voltage on the Life and Efficiency of Three-Phase Electric Motors Note: Submitted articles are welcome and will be posted upon approval. Submit Article

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