Зупчаник мењача

1. Gear shaft. Gear and shaft are integrated.

2. Spline connection. Spline connection is composed of internal spline and external spline. The internal and external splines are multi tooth parts, the splines on the inner cylindrical surface are internal splines, and the splines on the outer cylindrical surface are external splines.

3. General key connection. Generally, the key connection is to realize the circumferential fixation between the shaft and the gear through the key to transmit motion and torque.

4. There is also a mechanism, such as ratchet mechanism, which can realize one-way rotation and disengage in the reverse direction.

1. The gear shaft is usually a pinion (a gear with a small number of teeth).

2. The gear shaft is generally at the high speed stage (i.e. low torque stage).

3. The gear shaft is rarely used as a sliding gear for speed change. It is generally a fixed running gear. First, because it is at a high speed, it is not suitable for sliding speed change.

4. 

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