Main composition of screw press briquetting machine The main components of the screw briquetting machine are: box rest, box cover power unit, screw power unit, and electrical unit. The machine is easy to operate and safe and reliable. China's current metallurgical plants and waste material recovery departments use hydraulic pressure briquetting machines for the briquetting of scrap metal scraps, scraps and scrap wires. The inadequacies are: the manufacturing technology is complex, hydraulic components are easily damaged, and maintenance is difficult. Large maintenance workload. Looking forward to your inquiry for this screw press briquetting machineme mechanical screw press