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How does the computer quilting machine adjust the height of the needle?
Nov 30, 2018

method one:


   When the bottom of the household sewing machine needle is just lifted, the hook crochet and the needle groove are normal.


   Method Two:


   The industrial sewing machine is also the normal position of the hook crochet and the needle groove when the needle is lifted at the lowest position.


   The position of the adjustable needle bar is not high.


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