disadvantages of the gear drive

now we will discuss some of the disadvantages of the gear drive:-

1.the main and important disadvantage of the gear drive is that it is very difficult to manufacture the gears because to manufacture gears the specials equipments are needed which is costly..

2.another disadvantage of the gears is that is there is any error during manufacturing then it may cause a big accident ....such as take a example:if the error in cutting teeth then it will cause a vibrations and noise during the operation.