Calipers are calibration tools used to measure the distance between two opposite sides of a workpiece, machine part, or other object related to the machining process. Common manual calipers feature sliding jaws that are adjusted to fit across two points to be measured, and then compared to a ruler or other measuring tool to get a reading. Inside calipers measure the internal size of an object; outside calipers measure the external size of an object, including large-diameter objects. Divider calipers, also called compasses, incorporate sharpened points that can scribe a line on the material. ‘Oddleg’ calipers incorporate a bent leg, allowing it to scribe a line at a set distance from a workpiece’s edge. Modern calipers such as Vernier, digital, dial, and micrometer calipers measure distances with extremely high accuracy.
The Digital Depth Gage MarCal 30 EWR, MarCal Specialty Caliper 16 EWR and Universal Caliper 16 EWR from Mahr Federal provide wireless data transmission of measuring distance between bores and grooves and stepped workpieces.
Measurement & Inspection Industry News
Marposs Introduces Remote Video Conference Testing and Acceptance Service
Tests are livestreamed through Zoom, and customers can provide immediate feedback – then their requested alterations are made in real-time.
Exact Metrology Provides Updates on PolyWorks Inspector and Hexagon Romer
Watch the informational videos on PolyWorks Inspector and Hexagon Romer Absolute Arm on YouTube. The multi-piece editing function added to PolyWorks Inspector is described, and an online tutorial shows how to make sure the Hexagon Romer Absolute Arm is still in calibration.