The Most Common Gearbox Types Gearbox is also known as the transmission box which is the second component of the power in an automobile. The adjustment of speed and torque of the automobile depends on the gear system but also according to the load and road condition. Transmission box adjust the engine speed into torque as it moves up the hills and when it’s important for the auto to do so. Gearbox can also be defined as the torque converter. There are many types of gearbox in the automobile industry. They include the following, Spur gearboxes, helical gearboxes, bevel gearboxes, spiral gearboxes, hypoid gearboxes among others. Spur transmission boxes are the chiefly standard and simple gear systems accessible. In the manner in which their radial teeth are placed, permit them to handle high gear ratios hence offering incredibly high level of effectiveness. Spurs transmitters have their disadvantages as well. They normally be likely to come up with a lot of pressure and sound, and that’s why they are often desirable used for low-impact and low-speed works where loud noise is acceptable. Bevel gear system consist of crossing shafts and cone-style that thrust flexible movement in the part directly amid these shafts. They can manage a considerable amount of pressure due to the feature axes and how they are fitted with care. Bevel transmission boxes have lower efficiency levels than helical and spur gearboxes. The bevel transmission boxes do work well with smaller gear ratios, conceivably, even more, better than helical gear systems. Helical transmission boxes do look like spur gears although their teeth are not placed in a crossway order in the revolving axis. Although these gears are placed at an angle, often at a right angle. They have less load capacity due to the parallel positioning of their teeth. Their teeth positioning, that is in helical gears, tolerate reticent engagement consequently resulting in the job that is drastically quieter than that of spur gearboxes. The loading directions of helical transmission boxes allow them to work with advanced torques, even if their effectiveness ranges are similar. These types of transmission boxes have limitations too. The standard of medial push they utilize, require the use of enough oiled shaft bearings. Spiral gear systems are alteration of bevel types, and they present benefits like in helical transmission boxes systems with teeth that are linked progressively. The engagement of gear system bit by bit in spiral gear systems has caused a reduction of noise and smoothness in the system shafts. Hence their efficiency level is very high. Hypoid transmission boxes look like spiral bevel kind, but their drive shafts only do not touch. Hypoid gearboxes function properly with right angle impel shaft. They result in lesser noise, and they are powerful than spiral bevel gearboxes. High-speed ratio can be handled with this system.