In the usual design, the gear shaft is generally used in the following situations:
Generally gear shaft is a pinion (less teeth gear)
Gearshaft is in the high speed level (low torque level)
the gear shaft is rarely used as a speed sliding gear, generally are fixed running gear, because it is not suitable for sliding speed in the high-speed level.
gear shaft is shaft and gear synthesis as a whole, but, in the design, we need to shorten the length of the shaft, it is not easy to hobbing if the forging shaft is too long, and it would increase the strength (such as rigidity, deflection, bending) with long support.
We can produce forging pinion, gearshaft with max length 15000mm and max diameter 3000mm.