The study results on the 6A-12M1 apparatus with upgraded screw conveyor piles are presented in this paper. Studies were conducted on the small-impurity removal apparatus used in the Rishton cotton ginning business. A better version of the spiked cylinder augerwas incorporated into the initial part of the second of the two side-by-side cleaning machines. 6A-12M1. https://foldlyers.shop/product-category/trailer-adapter/