Transmission Boxes Types Transmission boxes are also known as gearbox which is the second part of the power in vehicles. Actually its primary purpose is to adjust the speed and torque of vehicle according to the variety of highway and cargo condition. Gear system helps to change the speed of the vehicle into torque as it ascends to the hills, which are very import to the cars to. At times it is identified as 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. The way their radial teeth are positioned, allow them to handle high gear ratios, giving extremely high level of efficiency. Spurs transmitters have their disadvantages as well. They usually tend to create a lot of pressure and noise, and that the reason why they are generally desirable used for low-speed and low-impact jobs where loud noise is tolerable. Bevel transmission boxes are made up of bridge rods and cone-style that support versatile movement in the area directly linking these shafts. They are capable of handling a sizeable amount of pressure because of the element axes and the care used to install them. Bevel gearboxes have lower productivity levels than helical and spur gear systems. The bevel transmission boxes do work well with smaller gear ratios, conceivably, even more, better than helical gear systems. Helical gearboxes are like spur gears though their teeth are not placed crossways to the revolving axis. However, these gears are locked at an angle, most commonly right angle. They have little load capability due to the similar pose 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 transmission boxes are adjustment of bevel gear system, and they give benefits equal to helical gearbox systems with teeth that join bit by bit. 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 managed with this system.