The double trolley type vacuum annealing furnace is mainly used for tempering, annealing and aging of various mechanical parts. The vacuum furnace can also be added on the trolley for vacuum bright annealing of various parts.

The double trolley type vacuum annealing furnace is composed of a heating furnace body, two vacuum furnaces, two charging racks, two trolleys and an electrical control cabinet. Any trolley can be moved to the heating furnace body and combined with it to form a heating furnace. During the heating process of 1 trolley, 2 trolley can be used for loading and unloading. When the 1 trolley is finished, it can be moved out of the furnace body, and then the 2 trolley can be moved into the furnace, the furnace door can be closed, and the 2 trolley can start to work. 1. The trolley can be used for loading and unloading. In this way, the energy is saved and the efficiency is improved, and the operation is very convenient.