Product Info: Juki AMS-251

The Juki AMS-251 is a high-end, 1-needle Computerized Numerical Control (CNC) programmable sewing machine featuring a unique machine-head-turning mechanism. This advanced industrial machine is engineered to deliver uniformly high-quality seams in every sewing direction, making it the top choice for applications where stitch perfection is critical .

Its primary applications include decorative stitching on high-end products such as car seats, luxury bags, school satchels, and airbags. The machine is designed to handle large workpieces with zero tolerance for irregular stitches, and it can also be used to sew multiple small products in a single operation .

Key Features

Revolutionary Machine-Head-Turning Mechanism
JUKI's proprietary synchronization technology controls the machine head, hook, and feed mechanism. The machine constantly detects the sewing direction during continuous circumference sewing, ensuring consistent and favorable stitch quality from every angle .

Extensive Sewing Area
With a large sewing area of 1,000 mm (W) x 600 mm (H) , the AMS-251 is ideally suited for decorating large products like automotive interiors and luxury luggage where design tolerance is minimal .

Slip Ring System for Limitless Rotation
The adoption of a slip ring system in the head-turning mechanism allows for limitless, uninterrupted rotation of the machine head. This enables the continuous sewing of complex and intricate patterns without any physical restrictions .

Multi-Axis Control Technology
Simultaneous control of six axes (machine-head turning, hook turning, main shaft, hook driving shaft, X-axis feed, and Y-axis feed) ensures precise movement and synchronization for optimal sewing performance .

Enhanced Productivity Features

• Horizontal-Axis, 3-Fold Capacity Rotary Hook: This large hook reduces the frequency of bobbin changes, even when using thick threads, supporting uninterrupted sewing of large products .

• Machine Head Lifting Function: The head can be lifted by 50 mm, providing ample space to accommodate thick materials, clamps, and pallets with protrusions .

Superior Handling & Operation

• Cutting Point Needle Usability: Because the machine head turns to always face the sewing direction, a cutting point needle can be used effectively regardless of the stitch path .

• User-Friendly Interface: It utilizes the familiar IP420 operation panel from the existing AMS series and is compatible with the "PM1" pattern input software .

• Easy Bobbin Replacement: A dedicated bobbin replacement cover allows for quick and easy access to change the bobbin without the operator needing to reach under the machine .

Optional Perforation Camera System
An optional JUKI original image recognition system enables high-quality sewing on challenging perforated materials, expanding design possibilities for decorative stitching .

Comprehensive Safety Features
Safety is enhanced with covers equipped with opening/closing sensors to prevent startup when open and to automatically stop the machine if opened during operation. A two-handed start button is also standard to prevent unintentional startup and hand injuries .

Specifications