One kind of a conical outer surface diameter detecting means

The present invention discloses a conical outer surface diameter detection means, characterized by: a slider comprising, a pair of the probe assembly, a spring, a table frame and a meter, the measuring head includes a slider assembly, measured measuring rods and standard ball, the space between the two measurements is measured standard ball region, with a test length of the outer conic section height to match the spindle; a fixed probe assembly, the probe assembly further sliding, the table erected on said probe assembly slidably disposed in the outer side of the slider, the spring is disposed between the frame and the slide table probe assembly, respectively, and both ends of the slide against the measuring head and slider assembly table rack opposite faces, the measurement table is provided in the frame table, which measures against the end face of the outer end sliding slider probe assembly. The present invention by sliding the probe assembly and a compression spring slidably probe, and enable detection of the cone diameter roundness of the workpiece, and convenient and accurate detection can improve workpiece machining precision.