With no need for electrical or air connections, Sunnen’s PG-Series Bore Gages can be mounted directly to machining stations, making them immune to fluctuations in line voltage or air pressure. The unique fixtures enable a two-minute setup, eliminating the need for plug gages, mikes, Jo blocks, master rings or micrometers.

According to the company’s press release, the PG-Series Bore Gages remove complexity, skill and “feel” from the measurement process, allowing machine operators to confirm part size with a visually intuitive analog scale. The speedometer-type scale provides readouts down to 0.000050" for inspection of machining operations or fast sampling of large vendor lots.

The gages are available for shops of all sizes and can be purchased outright or leased on a monthly basis directly from Sunnen. The lease program includes maintenance and system updates. Models are available for gaging IDs from 0.090" to 4.310". Metric models cover IDs from 2.0–109.47 mm.The PG-Series Bore Gages can examine the entire bore for diameter, taper, barrel, bell mouth, out-of-round and lobbing. A sliding faceplate with adjustable stops permits end-to-end examination of bores. Stops can be set to examine particular sections of the bore.

Accuracy is not affected by temperature, moisture, air pressure or vibration. The floating reed system helps to eliminate friction and wear to maintain repeatability and linearity, no matter the gage’s age or amount of use. A PC-Series Bore Gage system comes standard with everything needed to measure any bore size in its range. Accessories are available for special requirements.