... beam, Furthermore, we increase middle support to ensure that our loom could work in high speed ,low voice, and the reed ... high output torque when the loom operate. The purpose is to increase the beating force of first shuttle. At the same time ... in bath positive let-off driving shaft ,to make the loom working speed higher , and more sensitive to adapt to ... and relaxation of the weft. HJA-N Air Jet Loom