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173-141610Single needle double-chainstitch machine with bottom feed and top puller feed • The constant speed top puller feed becomes effec-tive extremely close behind the needle • The top puller feed of the 173 can be swivelled up-wards – unrestricted clearance like class 171 • The feed length of the top puller feed is adjustable through a setting wheel and results in absolutely flat seams • Quick and easy conversion into a twin needle ma-chine • Optimum stitch formation due to automatic adapta-tion of the looper thread quantity Field of application • General operations • Sew endless zipper to left fly piece • Topstitch trousers side seams with special guide from below • Closing of long seams in jacket and trousers production • Attaching and topstitching of shirt back yokes Performance features • 4,000 left fly pieces with endless zippers / 480’ • 1,000 shirt back yokes / 480’ • Top puller feed adjustable up to a feed length of 7.0 mm • Max. stitch length 4.0 mm • Max. sewing speed 6,000 stitches/min. Last175-141621Next806N-121-01 |