Small Cylinder for Collars, Cuffs & Tubes

• Small cylinder-bed design makes it easy to sew closed, tubular parts such as:
• T-shirt necks, rib knit collars and bands
• Cuffs and sleeve openings
• Leg openings on shorts and athletic wear
• The compact cylinder allows the garment to rotate smoothly around the bed, improving control and seam accuracy on round and tight areas.

FR02 Mechanical Tension – Stable Neck Seams

• Equipped with the FR02 mechanical tension device, designed to keep thread and feeding stable when attaching neck ribs and bindings.
• Helps prevent waviness, stretching or distortion around the neckline.
• Especially useful when working with elastic, rib knits and jersey where control and balance are crucial for a professional finish.

Materials & Applications

The JK-797DI-4-514-M03/333/FR02 is ideal for:

1. T-shirt necks & collars – rib knit neckbands on T-shirts, polos, jerseys and fashion tees.
2. Sweatshirts & casualwear – round necklines, cuffs and bottom bands on fleece and jersey.
3. Sportswear & activewear – necks, sleeve openings and leg openings on performance knits.
4. Kidswear & babywear – small circular openings where a standard flat-bed overlock is hard to maneuver.

Wherever you need a clean, stretchy, stable overlock seam on tubular knit sections, this is the right machine.

Key Features

• 4-thread overlock configuration for strong, stretchy seams on knit fabrics
• Small cylinder bed for collars, cuffs, leg openings and tubular operations
• FR02 mechanical tension device for stable thread control, ideal for neck binding
• Differential feed to control stretch or gathering on tricky knits and ribs
• High-speed industrial performance for continuous production
• Fully submerged table setup – machine head sits below flush, improving handling of garments around the cylinder
• Assembled with industrial table, stand and servo motor (typical configuration) for smooth, quiet, energy-efficient operation

Technical Specifications (typical configuration)

• Model: JACK JK-797DI-4-514-M03/333/FR02
• Machine Type: 4-thread overlock, small cylinder-bed
• Application: Knitwear, T-shirts, neck binding, cuffs and tubular seams
• Bed Type: Small cylinder for circular operations
• Feed System: Differential feed (adjustable)
• Tension System: FR02 mechanical tension
• Needle System: DCx27/B27 #11
• Material Range: Light to medium knit fabrics (jersey, rib knits, fleece, sports knits)
• Max Sewing Speed: high-speed overlock range (typical 7,000 spm depending on setup)
• Motor: Energy-saving servo motor (assembled with the machine, 110V or regional voltage as specified)

(Exact speed and parameters may vary depending on final configuration and factory settings.)

What’s Included

• JACK JK-797DI-4-514-M03/333/FR02 overlock machine head (small cylinder, 4-thread)
• Servo motor, mounted and wired
• Fully submerged industrial table & stand, assembled
• Differential feed and FR02 mechanical tension system installed
• Thread stand, oil, needles and basic accessory kit (varies slightly by batch)