This document introduces the features and functions of the automatic lock edge sewing machine LBH-1790S, including a maximum storage of 99 sewing patterns, a liquid crystal display screen showing sewing patterns and sewing shapes, a large color liquid crystal touch screen, computer connection and data storage, data exchange and sharing between factories in the factory and remote factories, displaying machine operation status to support process improvement and maintenance management functions.
This manual describes the LBH-1790's electronic control system, stitch pattern memory (up to 99 patterns), and various sewing functions such as down‑stitch, double‑stitch, and needle tension control. It also covers optional accessories, maintenance features, and how to connect the machine to a PC for data exchange.
Technical specifications, optional oil‑free pot details, power requirements, and safety information are listed at the end of the document, helping users set up and operate the machine efficiently in an industrial environment. This manual is written in Japanese.
| Maximum sewing speed | 4,200 rpm |
|---|---|
| Standard sewing speed | 3,600 rpm |
| Needle stroke | 34.6 mm |
| Thread cutter size range | 6.4–31.8 mm |
| Maximum seam length | 41 mm (optional 70 mm, 120 mm) |
| Power supply | Single‑phase 100 V / Three‑phase 200 V, 600 VA |
| Machine weight | 112 kg |
| Maximum stored stitch patterns | 99 patterns |
The machine can store up to 99 stitch patterns.
The maximum speed is 4,200 rpm, with a typical operating speed of 3,600 rpm.
Yes, an optional oil‑free pot converts the machine to a dry‑head sewing machine.
It operates on single‑phase 100 V or three‑phase 200 V, consuming 600 VA.