Summary:1.The distance between the pusher looper and the bottom surface of the needle plate should be 0.5-1mm. If it is too high...
1.The distance between the pusher looper and the bottom surface of the needle plate should be 0.5-1mm. If it is too high, the needle plate will be worn and the thread will not pay off; if it is too low, the loop thread will easily pop out from the needle tip of the pusher looper, resulting in skipped stitches.
2. The most forward position of the pusher looper should be 1.5-2mm beyond the middle center of the machine needle and the straight crochet needle. After more than 2mm, when the pusher looper is retracted at the end, because the back is too slow, the bead thread pulled by the straight crochet needle is pulled a little more, so that the bead thread cannot be tightened, and the stitches are not closed well. If the line quality is poor, it is easy to hang up the line. If it is less than 1.5mm, the pusher looper retracts too quickly, which will suddenly soften the loop hooked by the straight crochet needle. If the thread is elastic or the thread is easy to rotate, it is easy to pop out of the straight crochet needle, resulting in skipped stitches. At the same time, adjust the gap between the pusher looper and the straight crochet needle to 0-0.1mm, so that the loop can be better hooked by the straight crochet needle.
3. The cooperation between the hooking looper and the pushing looper, first adjust the hooking looper, then adjust the pushing looper to cooperate with it. When the hooking looper sends the loop to the vertex, the pushing looper will The needle is also synchronized to traverse the loop to the apex. If the time for the pusher looper to reach the top is too fast or too slow, the eccentric wheel can be changed to swing the pusher line to achieve the simultaneous movement of the pusher looper. When the two loopers move together, it is only necessary to consider the synchronization and simultaneous delivery to the apex, without considering the last ejection time of the loop under the needle plate hole.
The two loopers retreat synchronously, and the distance and time of the retreat are equal to the distance and time when the straight crochet needle rises. Therefore, the loop of the straight crochet needle can be kept tight all the time. If the two crochet needles pay off the thread quickly, the loop thread will be completely soft, and it is easy to unhook and skip the stitch; if the two crochet needles pay off the thread slowly, the loop thread will be pulled too tightly, and it may be torn off by the hook or ripped. Until the straight crochet hook drags the loop into the needle plate, the two loopers will then bounce off the needle plate one after the other.