A Rotary Grader for spices is designed to accurately sort and grade various spices based on size, shape, and density. This sophisticated machine consists of a rotating cylindrical drum with perforated plates or screens of different mesh sizes. As the spices are fed into the grader, they move along the drum’s surface, and the rotation causes smaller particles to fall through the screens, while larger particles are retained and carried to the discharge end. The grader’s speed and inclination can be adjusted to control the grading process, ensuring precise separation and classification of spices according to desired specifications. This technology not only enhances the quality and consistency of the final product but also increases efficiency by automating what would otherwise be a labor-intensive task. Additionally, rotary graders are versatile and can handle a wide range of spices, from fine powders to whole seeds, making them indispensable in modern spice processing facilities.