Abstract
In the article, it is presented materials on abrasive blasting of teeth of saw blades of cotton processing machines with particles of black silicon carbide. The micro-profile of the surface, characterized by the height and pitch of irregularities, after microcutting with abrasive particles is able to intensify the process of fiber separation by activating the tank surfaces of the teeth. This machining process is also accompanied by deformation hardening of the surface layer of the teeth, leading to an increase in the wear resistance and durability of the saws.
Highlights
The main purpose of cotton processing machines is the gin and linter gin separation
While gins remove the bulk of the fibrous material from cotton seeds, linters remove the fibrous cover remaining after the ginning operation from comparatively short fibers, the amount of which depends on the selection and industrial grade of raw cotton
Industrial tests and the introduction of abrasive blasting at the cotton ginning industry have shown that the durability of saw blades for linters is doubled or more, which is especially important, since their demand is much higher than that of genie saws
Summary
The main purpose of cotton processing machines is the gin and linter gin separation. While gins remove the bulk of the fibrous material from cotton seeds, linters remove the fibrous cover remaining after the ginning operation from comparatively short fibers, the amount of which depends on the selection and industrial grade of raw cotton. The fibrous material remaining on cotton seeds consists of short fibers ranging in length from 1 ... Technological machines for cotton processing have special requirements for the quality of the surface layer of the working body parts. The working body is a saw cylinder consisting of discs of the same name ø320 mm in diameter and 0.95 mm thick, made of 65G and U8G steels (tensile strength σ = 1150 n/mm, hardness HRA 67-70, elongation δ = 6%) by cold cutting teeth
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