GE2815 Double Needle-bar Warp Knitting Machine for Tubular Nets and Flexible Bags

The GE2815 Double Needle-bar Warp Knitting Machine is a new product from LongLongSheng, developed for the production of tubular nets and flexible bag fabrics. With a 136-inch working width, E12 gauge, 8 guide bars, and a stated machine speed range of 100–600 r/min, the GE2815 offers a specialized configuration for manufacturers producing net products.

The machine features an oiled eccentric gearing system, electronic let-off, and electronic take-up. Electric shogging and a dynamic yarn-tension detection system are available as optional features. These specifications give manufacturers a starting point for evaluating whether the machine's configuration matches their intended product and production process.

Selecting a warp knitting machine involves more than comparing speed figures. The target net structure, yarn specifications, finished dimensions, operating conditions, and downstream handling all affect machine suitability. This article explains the GE2815's key specifications, its main application areas, and the practical points manufacturers should review before choosing a machine.

1. GE2815 Machine Overview and Key Specifications

The GE2815 is a double needle-bar warp knitting machine designed for tubular net production and flexible bag fabrics. Its configuration combines 8 guide bars with electronic yarn let-off and electronic fabric take-up. The machine also uses an oiled eccentric gearing system as part of its mechanical drive arrangement.

For manufacturers, these details should be considered together rather than in isolation. Working width relates to the dimensions of the intended product; gauge is relevant to the knitting structure; guide-bar configuration contributes to yarn movement and pattern formation; and yarn supply and fabric take-up influence the operating conditions of the knitting process.

The main specifications supplied for the GE2815 are summarized below. Confirm the final machine configuration and any options with LongLongSheng before placing an order.

Technical Item	GE2815 Specification
Machine type	Double needle-bar warp knitting machine
Main applications	Tubular nets and flexible bag fabrics
Working width	136 inches
Gauge	E12
Number of guide bars	8
Machine speed range	100–600 r/min
Drive system	Oiled eccentric gearing
Yarn let-off	Electronic
Fabric take-up	Electronic
Electric shogging	Optional
Dynamic yarn-tension detection	Optional

2. What Products Can the GE2815 Produce?

The GE2815 is intended for two main application areas: tubular nets and flexible bag fabrics. The machine's suitability for a particular product depends on the required mesh structure, yarn properties, finished dimensions, and production conditions. A product sample or a clear specification is often the most useful starting point when assessing compatibility.

2.1 Tubular Net Production

Tubular nets have a continuous net structure formed into a tube. Depending on the application, the finished product may need to meet specific requirements for mesh opening, tube dimensions, flexibility, and material characteristics. These requirements influence the choice of yarn and the settings used during knitting.

For a manufacturer considering the GE2815, the first step is to define the intended tubular net: its material, mesh design, required dimensions, and how it will be used or processed after knitting. The machine configuration can then be reviewed against those requirements. It is not advisable to assume that every tubular net specification can be produced without checking the structure and yarn.

2.2 Flexible Bag Fabrics

Flexible bag fabrics are another stated application for the GE2815. Net bag products can differ in mesh size, width, flexibility, and final construction. The required knitted fabric must therefore be matched to the bag design and any downstream cutting, sewing, or finishing operations.

When evaluating the GE2815 for flexible bag fabrics, manufacturers should provide the intended bag dimensions, yarn details, mesh requirements, and any relevant sample. These details help establish whether the proposed machine setup is appropriate for the planned product range.

3. Key Features of the GE2815 Warp Knitting Machine

3.1 Eight Guide Bars for the Required Knitted Structure

The GE2815 is equipped with 8 guide bars. Guide bars control yarn movement in relation to the needles and contribute to forming the selected knitted structure. Their arrangement is one part of the machine configuration that must be considered when matching equipment to a target net product.

The number of guide bars alone does not determine the finished mesh size, strength, or quality. Yarn characteristics, guide-bar movement, machine settings, and the desired fabric structure all play a role. Manufacturers should therefore assess the full specification rather than using guide-bar count as the only selection criterion.

3.2 136-Inch Working Width and E12 Gauge

The GE2815 has a stated working width of 136 inches and uses E12 gauge. Working width is a key consideration when checking whether a machine fits the dimensions and production arrangement of the intended fabric. The usable finished width can depend on the product and operating setup, so manufacturers should confirm their dimensional requirements with the supplier.

Gauge describes the needle spacing or needle density of the knitting system. Its suitability depends on the yarn and the structure required in the finished fabric. E12 should be evaluated alongside mesh design and product specifications; it should not be treated as a direct measure of mesh opening or finished-product quality.

3.3 Machine Speed Range of 100–600 r/min

The GE2815 has a stated machine speed range of 100–600 revolutions per minute. This figure is a reference for the machine's operating range, not a guarantee of finished fabric output. Actual output depends on the knitting structure, yarn, operating settings, production stability, and any required quality checks.

When estimating production, manufacturers should discuss the intended product and operating conditions with the supplier. A practical assessment should consider the speed at which the required structure can be produced consistently, rather than relying only on the upper end of the stated range.

3.4 Oiled Eccentric Gearing

The GE2815 uses an oiled eccentric gearing system as part of its mechanical drive arrangement. Like other mechanical systems with moving components, it requires suitable lubrication and routine inspection. Following the manufacturer's maintenance guidance helps operators maintain equipment condition and identify issues that require attention.

For production planning, maintenance procedures, operator familiarity, and access to technical support are useful considerations alongside the machine's headline specifications.

3.5 Electronic Let-off and Electronic Take-up

The GE2815 is equipped with electronic let-off and electronic take-up. The let-off system manages the supply of yarn to the knitting area, while the take-up system controls the removal of knitted fabric. Their settings form part of the overall process used to establish suitable knitting conditions.

Consistent yarn supply and fabric take-up are important when aiming for stable production. However, the result also depends on yarn properties, fabric construction, machine settings, and operating conditions. These electronic systems should be understood as components of the machine's control arrangement, not as a guarantee of a particular fabric result.

3.6 Optional Electric Shogging and Dynamic Yarn-Tension Detection

Electric shogging and a dynamic yarn-tension detection system are listed as optional features for the GE2815. Electric shogging supports guide-bar movement for the selected knitting pattern. Dynamic yarn-tension detection can help operators monitor changes in yarn tension during operation.

Whether these options are necessary depends on the target product and the manufacturer's process requirements. Buyers should confirm the availability, scope, and configuration of optional equipment when requesting a quotation.

4. How to Evaluate the GE2815 for Your Production Needs

A machine should be selected according to the product it needs to make, not simply by comparing model names or maximum speed figures. Before deciding whether the GE2815 is suitable, manufacturers should review the following points.

4.1 Define the Product and Finished Dimensions

Identify whether the planned product is a tubular net or flexible bag fabric. Record the required mesh structure, finished dimensions, and any performance requirements relevant to its end use. Product samples, drawings, or written specifications can help reduce ambiguity during technical review.

4.2 Confirm Yarn and Mesh Requirements

Provide the yarn material and specification, together with the intended mesh design. These details affect how the knitting structure is formed and help the supplier assess whether the proposed configuration is appropriate.

4.3 Review Speed and Production Expectations

Use the stated 100–600 r/min range as an initial reference, then evaluate the operating conditions required for the actual product. Avoid treating machine speed as equivalent to output per hour or per day; a meaningful production estimate requires product-specific information.

4.4 Confirm Required Options and Support

Decide whether electric shogging or dynamic yarn-tension detection is relevant to the planned production process. Confirm which features are included in the proposed configuration and which are optional. It is also useful to clarify installation, operator training, maintenance, and technical support arrangements before finalizing the purchase.For a general introduction to the process, read our guide to how a warp knitting machine works.

5. Frequently Asked Questions About the GE2815

What is the GE2815 warp knitting machine used for?

The GE2815 is designed for tubular nets and flexible bag fabrics. Suitability for a particular product depends on its mesh structure, yarn, and finished dimensions.

What is the working width of the GE2815?

The stated working width is 136 inches. Confirm the required usable fabric dimensions for the intended product before ordering.

How many guide bars does the GE2815 have?

The GE2815 is equipped with 8 guide bars. The appropriate knitting setup depends on the target fabric structure and yarn requirements.

What is the speed range of the GE2815?

The stated machine speed range is 100–600 r/min. Actual operating speed and finished output depend on the product and production conditions.

What gauge does the GE2815 use?

The machine uses E12 gauge. Gauge suitability should be evaluated alongside yarn characteristics and the required knitted structure.

Does the GE2815 have electronic let-off and take-up?

Yes. The GE2815 is equipped with electronic let-off and electronic take-up systems.

Are electric shogging and dynamic yarn-tension detection standard?

They are listed as optional features. Confirm their availability and scope when specifying the machine.

How can I check whether the GE2815 is suitable for my product?

Share the target product, yarn specification, mesh requirements, finished dimensions, and production expectations with LongLongSheng for a configuration review.

6. Conclusion

The GE2815 Double Needle-bar Warp Knitting Machine is a new addition to LongLongSheng's warp knitting machinery range, designed for tubular nets and flexible bag fabrics. Its stated configuration includes a 136-inch working width, E12 gauge, 8 guide bars, a speed range of 100–600 r/min, an oiled eccentric gearing system, and electronic let-off and take-up. Electric shogging and dynamic yarn-tension detection are available as optional features.

For manufacturers considering the GE2815, the key step is to match the machine configuration to the intended product. Confirming the yarn, mesh structure, dimensions, operating expectations, and required options helps establish whether the machine is appropriate for the planned production process.