feed throat 中文意思是什麼
feed throat
解釋
進料喉-
For replacing part ( s ) of needle, presser foot, throat plate, looper, spreader, feed dog, needle guard, folder, cloth guide etc
更換機針、壓腳、針板、彎針、分離器、送布牙、護針器、支架、布導向器等時。 -
Turn the vertical driving cam to the position where throat plate surface 3 and needle tip 4 align with each other, and the first or the second tooth of the top end of feed dog 5 descends from the throat plate surface
讓針尖4與針板上面3對齊,在送布牙5的前端1 2齒從針板上面下沉的位置,轉動上下傳送凸輪,進行固定。
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