KRAFFT KF-461U
LONG-ARM CYLINDRICAL-BED LOCKSTITCH MACHINE FOR EXTRA-HEAVY-DUTY SEWING
The KRAFFT KF-461U is a professional long-arm, single-needle cylindrical-bed lockstitch machine designed specifically for sewing extra-heavy technical materials. Featuring triple feed (bottom feed, walking foot, and needle feed), it ensures stable and precise feeding even with extremely thick and difficult fabrics such as tarpaulins, tents, filter materials, and other industrial textiles.
Equipped with a large-capacity Barrel oscillating hook, the KF-461U allows extended operation with fewer bobbin changes. The machine also features pneumatic presser foot lift, significantly improving operator comfort and workflow speed.
KEY ADVANTAGES:
- Designed for very heavy technical materials
- Triple feed ensures consistent and accurate fabric handling
- Large-capacity Barrel hook – fewer interruptions for bobbin changes
- Long-arm construction and 81 mm cylinder diameter – perfect for large and bulky items
- Pneumatic presser foot lift for operator convenience
- Energy-efficient 750 W servo motor – quiet and powerful operation
TECHNICAL SPECIFICATIONS:
- Sewing speed: 800 stitches/min
- Stitch length: up to 11 mm
- Needle bar stroke: 56 mm
- Presser foot lift: 13 / 23 mm (manual/pneumatic)
- Cylinder diameter: 81 mm
- Cylinder length: 960 mm
- Needle system: DYx3
- Thread size range: Nm 30/3 – 8/3
- Lubrication: manual
- Motor: 750 W energy-efficient servo
- Power supply: 230 V / 50 Hz
- Compressed air connection required
The KF-461U is a robust and reliable solution for manufacturers of technical textiles and industrial products requiring maximum durability and precision. Ideal for heavy-duty production environments where strength, efficiency, and consistent stitch quality are crucial.