Royal Pack Industries

A bag closer machine with a conveyor is a semi-automatic industrial system designed to efficiently seal filled bags (10-50 kg) using a sewing head mounted over a moving belt. These machines feature adjustable speeds,, robust motors (typically 3-phase), and durable construction (steel or stainless steel) to handle materials like jute, HDPE, and paper, providing 400-600 bags per hour.
Description
System Components: Comprises a high-speed industrial sewing head a sturdy conveyor belt (belt-over-slat or plain belt), a height-adjustable pedestal for the sewing head, and a motor for conveyor speed control.
Operation: Filled bags are placed on the moving conveyor, guided through the stitching mechanism, and automatically stitched at the top, then often trimmed by an integrated cutter.
Control: Usually operated via a foot pedal for the sewing head and a variable speed controller for the conveyor to synchronize with packaging speeds.
Key Specifications
Throughput: 400 - 600 bags per hour (varies by model).
Sewing Speed: 1600 - 3000 stitches per minute (SPM).
Stitch Type: Two-thread, single chain-stitch (401 type) or similar, for high-strength closure.
Conveyor Length: Commonly 1.5 to 3 meters, with adjustable height (e.g., 250mm - 1000mm).
Bag Material Compatibility: HDPE, PP, Jute, Hessian, and Kraft paper.
Motor/Power: Typically 3-phase motor for the conveyor (550W - 1.5 Kw).
Needle Type: Typically