Repeatability vs Accuracy
The two words are often used interchangeably and mean different things.
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Published articles
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What the Working Envelope Really Means
Reachable is not the same as usable.
Read articleUnderstanding IP Ratings
Two digits, one for solids and one for liquids.
Read articlePayload vs Mass: Getting the Load Rating Right
Tooling weight is the most commonly forgotten number in robot projects.
Read articleDegrees of Freedom and Redundant Axes
More axes do not automatically mean more capability.
Read articleRobot Mounting and Base Terms
Where the robot stands changes what it can reach.
Read articleProgramming Terms: Points, Frames and Offsets
Most program confusion is terminology confusion.
Read articleGripping Terms: Force, Travel and Compliance
Three numbers decide whether the part is held or crushed.
Read articleMotion Terms: Joint, Linear and Circular
The instruction you choose changes the path, not just the destination.
Read articleQuality Terms: Capability and Tolerance
Process capability tells you whether the cell can hold the tolerance.
Read articleProject Terms: FAT, SAT and Handover
Three stages, three different purposes.
Read articleService Terms: Response, Uptime and MTBF
Service level words mean specific, measurable things.
Read articleKinematics and Motion Terms
The vocabulary of robot movement.
Read articleCalibration Terms: Zero, Offset and Master
Calibration words describe different corrections.
Read articlePerformance Terms: Repeatability, Accuracy, Resolution
Three numbers that are routinely confused.
Read articleData Terms: Logging, Traceability and Telemetry
Data vocabulary is becoming contract vocabulary.
Read articleCollaborative Robot Terms
Collaboration has specific meanings in standards.
Read articleLoad and Inertia Terms
Weight is easy to understand; inertia is what breaks gearboxes.
Read articleMobile Robot Terms
AGV, AMR and the words around them.
Read articleEnclosure and Environment Terms
Environment vocabulary decides equipment selection.
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