Transmission boxes are also known as gearbox which is the second part of the power in vehicles. The the main function of the gear system is to change the torque and the speed of the vehicle, according to the road and load conditions. 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. In auto industry, there are many types of transmission boxes. In the auto industry, there are a good number of gear systems which include, helical transmission boxes, spiral gear system, bevel transmission boxes, hypoid gear systems and spur transmission boxes. Spur gearboxes are the mainly ordinary and straightforward transmission boxes available. The order in which their radial teeth are situated enables them to handle high gear ratios thus giving exceedingly high level of helpfulness. Spur gearboxes have their demerits also. 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 gearboxes consist of cone-style teeth and crossing shafts that hearten versatile movement in the area straight between these shafts. They can manage a considerable amount of pressure due to the feature axes and how they are fitted with care. Bevel gearboxes have lower productivity levels than helical and spur gear systems. The bevel gear systems do work well with little gear ratios, possibly even more effective than helical gearboxes. Helical gear systems often considered to be like spur gears however their teeth are not positioned in a crossway manner to the revolving shaft. These helical gears are typically placed at an angle, which is right angle position. They have less load capacity due to the parallel positioning of their teeth. Their teeth positioning also allow for modest engagement hence ensuing in a job that is significantly quieter than that of spur transmission boxes.
The loading orders of helical gear boxes permit them to work with sophisticated torques even though their usefulness variety are alike. These types of transmission boxes have limitations too. The standard of medial push they utilize, require the use of enough oiled shaft bearings. Spiral gearboxes are modification of bevel types, and they offer benefits comparable to helical transmission box systems with teeth that connect little by little. Due to slowly engagement of the gear system, the process results in smoother and a reduced amount of noisy gear 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.