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The Automatic Pattern FIBC / Jumbo Bag Loop Sewing Machine is engineered for precision loop attachment in FIBC and jumbo bag manufacturing. Engineered specifically for high-speed, robust industrial use, this machine will provide precise, reliable, and repeatable stitching of Lifting Loops, ensuring that the strength and safety of the FIBCs are not compromised.

This machine comes in a variety of configurations, including the LS200-4030 and LS300-5030 models, enabling manufacturers to use this machine to sew FIBCs with varying design types, loop sizes, and different stitching patterns. The automatic pattern sewing function allows manufacturers to easily programme various loop styles and stitch lengths into the machine, allowing both the production of standard jumbo bags as well as those which are customized.By providing a consistent operating environment with regulated stitch tension and accurate sewing capability, this machine will produce Lifting Loops that are all aligned identically, which is essential for handling loads safely during lifting, storing, and transporting.

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Jumbo Bag Loop Sewing Machine Manufacturer

With over four decades of manufacturing expertise, Armstrong is recognized globally among leading FIBC sewing machine manufacturers and suppliers. Each machine is engineered to meet the demanding requirements of modern bulk packaging plants operating under continuous production cycles.

Designed for industrial-grade performance, the machine ensures:

  • Stable and uniform loop sewing for enhanced bag safety
  • High load-bearing strength for lifting loops
  • Precision stitching for cross-corner loops, side-seam loops, belt loops, and U-panel loops

Compatible with PP woven fabrics, HDPE fabrics, and all grades of FIBC webbing belts, the system integrates synchronized feeding mechanisms and advanced needle control. This results in higher output consistency, reduced rejection rates, and long-term stitching reliability across varied bag formats including standard FIBCs, Q-bags, baffle bags, conductive bags, and food-grade jumbo bags.

Applications

Armstrong’s automatic jumbo bag loop sewing machines are widely used in industries that rely on safe and reliable bulk packaging, including:

The machine ensures consistent loop quality and dependable load-bearing performance across all environments.

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Technical Specifications

The Jumbo Bag Loop Sewing Machine is a high-speed, heavy-duty system designed for continuous industrial use.

Parameter Specification
Sewing Speed

Up to 1400 rpm

Working Area

LS200 Series: 400 × 300 mm

LS300 Series: 500 × 300 mm

Stitch Length

Adjustable up to 12 mm

Hook Size

300 mm to 800 mm

Loop Length

Up to 680 mm

Thread Type

1300D × 3

Needle Type

DY × 3

Drive System

Servo motor driven

Power Supply

220V, single phase

The machine supports programmable patterns for different bag sizes and stitch designs, ensuring accuracy even during long production runs.

Jumbo Bag Loop Sewing Machine Key Features

FAQs – Jumbo Bag Loop Sewing Machine

Do loop sewing machines work with polypropylene (PP) and high-density polyethylene (HDPE)?
Yes, they can be used to sew any standard grade of PP woven fabric or HDPE fabric. The machine is also capable of sewing FIBC webbing belts that are used in the production of jumbo-style bags.
The sewing machine's maximum speed is 1400 revolutions per minute (RPM). This (high-speed) capability provides faster speeds for attaching loops while keeping the stitch consistency accurate.
Armstrong offers comprehensive installation and commissioning of the equipment as well as training on-site with operators during the start-up of production.
Yes, it is possible to customize loop size, stitch design, and sewing area according to the requirements of the bags you are creating based on the loop programmable pattern system.
Armstrong provides a durable and dependable supply of spare parts globally as well as long-term after-sales service technical support.
The Jumbo Bag Loop Sewing Machine accommodates many types of loop patterns, including cross corner, side seam, belt, U, and custom lifting loop patterns. Each design pattern can be easily accessed via the programmable pattern controls used by the manufacturer, providing quick changes to the different loop designs without sacrificing the quality of stitching and production speed.
Yes, the Jumbo Bag Loop Sewing Machine has a heavy-duty frame and servo-driven system; it has industrial quality parts and is able to be operated for long hours/ shifts in a reliable manner with a stable performance and low level of vibration.
Yes, the design of the Jumbo Bag Loop Sewing Machine allows for the easy integration of this equipment into any current FIBC production line including the FIBC cutting, body sewing and finishing lines providing manufacturers with the ability to add loop attachment capability without having to change or negatively impact their current production processes.

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