| 摘要 |
At normal warp thread tension, a transmission gear turned by the warpbeam, rotates a brake disc which is in contact with a brake surface due to the action of a spring. When the warp thread tension increases, the transmission gear turns a carrier, on which the brake disc is mounted, so that the brake disc moves away from the brake surface against the action of the spring so that the warp thread tension is reduced, and the carrier with the brake disc is moved by the spring to press the brake disc against the brake surface.
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