What is the maximum needle speed
A sewing machine needle moves with a rapid vibratory motion, rather like SHM, as it sews a seam. Suppose the needle moves 7.8 mm from its highest to its lowest position and it makes 26 stitches in 8.7 s. What is the maximum needle speed?
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Suppose the needle moves 7.8 mm from its highest to its lowest position and it makes 26 stitches in 8.7 s. What is the maximum needle speed?
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