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28
2019.06
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16
2019.05
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20
2018.09
在縫制工作中有時出現衣料不向前走動，反而向操作者方向移動，即衣料向后退。產生這種故障是由于上軸曲拐與凸輪偏心螺絲的角度不對。牙齒所以能夠有節奏地向前移動.完全是靠送布凸輪的撥動。因凸輪本身是偏心的。所以使牙叉前后撥動，而牙叉又帶動送布軸和牙架，促使牙齒前后往復運動。由此可見，凸輪的偏心位置是非常重...
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20
2018.09
When sewing clothes, there is often a phenomenon that the clothes move back and forth, that is, one step forward and one step back. This is caused by the feeding teeth being too high, the plane of the teeth exposed to the needle plate is too high, and the teeth are always exposed outside the need...
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10
2020.04
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10
2020.04
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30
2019.11
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30
2019.11
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