JJG 1110-2015 Verification Regulation of Measuring Ruler for Difference of Wheels Set Position and Brake Discs Set Position of Railway Vehicles (English Version)
This procedure is applicable to the initial calibration, subsequent calibration and in-use inspection of railway vehicle wheel set and disc position difference measuring instruments (hereinafter referred to as "measuring instruments").
JJG 1110-2015 history
1970JJG 1110-2023 Railway wheel set wheel position difference and disc position difference measuring instrument
2015JJG 1110-2015 Verification Regulation of Measuring Ruler for Difference of Wheels Set Position and Brake Discs Set Position of Railway Vehicles