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BT taper spindle gauge is a key process in the seizure, with further improve machine performance, accuracy, speed, manufacturer of taper gauge raised higher demands, while the gauge for taper grinding a higher dimension and geometric tolerance accuracy. Taper gauges Usage: First, there must be a standard plug that is outside the cone, the red or blue oil evenly Dan 2-4 lines on plug then plug is inserted into the tapered bore of the research rotation 60-120 of extraction plug, see streak plug surface coatings to determine the quality of the contact area of ??the inner conical taper the more the better and vice versa is not good. General standard gauge test taper contact with more than 75% and is close to the big end. Taper gauges are mostly used to check www.hbbllj.com taper spindle machine tools and precision instruments, and holes