Chain stitch sewing machine PFAFF 3721 PREMIUM

single-needlefor upholsteryfixed

Docu seam system with needle feed, differentiable wheel feed, roller presser and edge trimmer Documented Quality - Stitch by Stitch The POWERLINE 3721, 3741, 3745 and 3791 are quality assurance systems designed for use on safety-relevant seams. The PFAFF docu-sewing systems making an important contribution to extra driving safety. They monitor and guarantee perfect execution of the nominal breakage point on the reference seam from where the side airbag unfolds in the event of a serious incident. The seam must meet precisely stipulated parameters: on one hand it should not be too resistant as this will prevent the side airbag from expanding and unfolding; on the other hand the seam must have a minimum strength so that it does not tear open unexpected during normal use. POWERLINE 3721, 3741, 3745 and 3791 machines significantly increase process safety and reliability. An essential benefit of these systems is to guarantee constant seam quality by identifying and sorting out unusable seams in real-time. This is important for product liability to counter and effectively refute any potential claims of recourse. The machines can be connected to the customer's ERP system - an important precondition especially in the automotive industry. PFAFF docu-sewing systems are an important tool for quality assurance within the overall automotive production chain, even if it "just" deals with one simple element - an approx. 40 cm long seam section.