Thread Ring Gage Calibration

Calibration procedures for thread ring gages.

Thread ring gage calibration.

A thread ring gauge is designed to check the correctness of the thread to include thread depth and pitch diameter to the given pitch tpi. The go and no go rings are normally separate pieces. Lubricate the setting plug gage with a thin film of light viscosity oil. 1 adjustable thread ring gage calibration procedure by joe greenslade greenslade company inc.

Indirect measurement of adjustable thread rings. If a gage is dropped or nicked it may lose its. A solid thread ring gauge is used to check acceptance of a screw i e. These tolerances are smaller than x tolerance.

Thread setting plug gages a k a. To measure external thread pitch diameter use the best size wire whenever possible. Wouldn t it be great if you could somehow look at an adjustable thread ring and calibrate it. Store gages individually after dipping them in a rust preventive to prevent oxidation of the metal.

We specialize in american petroleum institute api spec 7 2 5b. Calibration procedures by greenslade co inc. Confirm all pitch diameters and class size match the ring gages. Select the corresponding master set plug.

Used to check x tolerance thread ring gages in a temperature controlled calibration lab. The set plug must be clean and calibrated to ensure it is not nicked tapered or out of tolerance. Adjustable thread ring gage calibration procedure. This approach is very intriguing from a calibration point of view.

Sending ring gages out for calibration. All thread ring gages are precise calibration instruments so it s important never to force the gage onto a part as this could alter the gage and destroy its integrity. Third coast gage calibration designs manufactures outsourced re manufacturers in house supplies calibrates industry standard custom thread gages offers calibration services for a wide variety of measuring equipment.