Technical parameters: 　　1. Reed width: 400mm 　　2.Main drive: the belt pulley is driven by motor . 　　3. Loom speed: 10-35rpm, stepless variable speed. 　　4. Beating-up: crankshaft four-linkage weft beating. 　　5. Weft insertion: shuttle single-weft insertion. 　　6. Shedding: positive single-dobby rigid shedding. 　　7. Let-off：positive let-off. 　　8. Take-up: positive take-up.