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A worm wheel, also known as a worm gear, is a type of gear mechanism used in sewing machines to control the movement of various components. It consists of a cylindrical gear, called a worm, and a toothed wheel, called a worm wheel. The worm wheel is mostly used to control the movement of the needle bar or the feed dogs. The worm gear is connected to the sewing machine motor or handwheel, and as it rotates, it engages with the teeth on the worm wheel, causing it to rotate as well, which are responsible for controlling the stitch formation and fabric feeding in a sewing machine. The worm gear mechanism provides precise and controlled movement, allowing for accurate stitching and fabric handling in order to save time and money. Please chose worms with durable materials such as metal or high-quality plastic to ensure longevity and smooth operation.We have special designs to withstand the constant rotation and friction generated during sewing machine use to boost performance. Try our new brand products and overcome competition in the market.