A length grader machine in an auto rice mill is an essential apparatus designed to classify rice grains based on their length. Using precision grading mechanisms, this machine separates rice into different categories, ensuring uniformity in grain size. By removing shorter or broken grains, the length grader enhances the overall quality of the milled rice. This process contributes to consistency in appearance and cooking characteristics, meeting market standards and consumer expectations. The length grader is a key component in the auto rice milling process, facilitating the production of high-quality, sorted rice.