1-needle, Lockstitch Machine DDL-5550N DDL-5550N-7(with automatic thread trimmer) Newly developed lockstitch machine provides upgraded quality and a comfortable production environment that increases efficiency.   DDL-5550N-7-WB / CP-160A   DDL-5550N Sewing mechanism that demonstrates outstanding responsiveness to materials to be sewn. The thread take-up mechanism, feed mechanism, thread paths and hook have been further improved to enhance responsiveness to material changes and to ensure consistent stitch quality.       Sure thread trimming mechanism. The machine comes with a thread trimming mechanism that performs speedy and sure thread trimming to achieve highly efficient sewing work.         Higher lift of the presser foot. The ample lift of the presser foot makes it easier to set or remove materials or to sew overlapping sections.             The arm configuration is designed to provide a larger sewing space. Permits easier cloth handling while sewing.         The feed and lubricating mechanisms have been improved in durability. The durability of the machine frame and components has been improved. This will result in long-range economy. Newly developed control box / Compact motor unit. SC-910 / M91 SC-910 model control box is resistant to voltage fluctuations. It comes with a compact and energy-saving type switching power supply system that does not use a transformer. This contributes to improved reliability.     The M91 model compact motor unit featuring low vibration and low noise capabilities is installed on the control box.     The number of revolutions can be selected from among three different types (standard, slow and fast) according to the preference of the operator. In addition to this feature, the control box incorporates many different functions for upgraded workability. The operation panel can be selected according to the process. IP-100C The operation panel has been provided with a large user-friendly LCD. A pictograph and set values are shown on the same screen, which promises improved operability of the panel.     The operation panel has been provided with a variety of communication and maintenance control features and is able to store data on a SmartMedia or personal computer.     The features of the operation panel can be updated without the need for changing the PWB/ROM.       CP-160A Pattern sewing can be performed by the number of stitch control feature.     Four different kinds of pattern sewing are possible: automatic reverse stitching, constant-dimension sewing, rectangle-shape sewing, and multi-layer stitching. The maximum number of stitches that can be set for automatic reverse stitching (single or double) is 19.