BCM Unité d'Etude d'un Modèle en Coupe à Relèvement

It is a worm gear with shafts perpendicular to each other. It consists of a helical worm screw and a circular cogwheel. Some applications of this device are automatic doors or elevators systems, where motion in one direction and blocking the...

It is a mitre gear. It is made up of bevel gears that consist of two conical cogwheels. This device is used to transmit motion between two perpendicular shafts.

It is a spur gear. This type of gear is the simplest one, normally used for low or medium speeds, since they are noisy if not well-formed.

It is a two-stage spur gear. Two-stage gears are used when rotation transmission between shafts cannot be obtained with only one pair of gears.

It is a planetary gear. It consists of one or more external or planet gears that revolves about a central or sun gear. Planetary gears are normally used as reducers in gearboxes or as differentials.

It is a variable speed belt drive. Continuously variable gearboxes are the ideal transmission since they change the speed ratio continuously. For that reason they are considered an automatic transmission with infinite number of ratios. Variable...

It is a control gear. Its function is to control the space between teeth.

It is a multiple-disk clutch. Multiple-disk clutches allow for transmitting higher torques. Such clutches are used in the steering of chain tractors.