Roll crusher working principle | Henan Deya Machinery Co., …
The structure of the single roll crusher is shown in Figure 3. The crushing mechanism consists of a rotating roll 1 and a jaw plate 4. The jaws are mounted on a bolt with a tooth bushing 2 on the core of the roll, with the tip of the tooth sticking forward like a hawk's beak, which can be removed and replaced when the bushing wears out.