RD7 Machine Manufacturer – RD7-EL Double Needle Bar Raschel Machine for 3D Spacer Fabric
Product Description
What is an RD7 Warp Knitting Machine?
High-Speed 3D Spacer Fabric & Industrial Textile Production Solution
An RD7 machine is a specialized double-needle bar Raschel warp knitting machine engineered primarily for manufacturing three-dimensional spacer fabrics and high-performance air mesh textiles.
The A-ZEN RD7-EL utilizes 2 needle bars and 7 guide bars to produce versatile 3D warp-knitted structures with customized thicknesses, ventilation mesh patterns, and complex structural configurations.
Key Industrial Applications:
✔ 3D Spacer Fabrics
✔ Air Mesh Textiles
✔ Shoe Upper Fabrics
✔ Mattress Core Mesh
✔ Automotive Interiors
✔ Backpack & Gear Mesh
Technical Note: The final fabric density, flexibility, and structure depend on selected yarn types, guide bar lapping, machine parameters, and application requirements.
Key Features of A-ZEN RD7-EL
1. 7 Guide Bars Versatility
Equipped with 7 guide bars to allow multi-layer patterning, dynamic 3D spacer structures, and customized technical textile designs.
2. Double Needle Bar System
Engineered specifically for continuous production of breathable 3D air mesh and heavy-duty spacer constructions with uniform tension.
3. Electronic Pattern Drive (EL)
Precise electronic control enables rapid guide bar movements, seamless pattern switching, and reduced setup downtime.
4. Electronic Yarn Let-Off (EBA/EBC)
Ensures exact yarn feeding rates, maintaining stable fabric quality, uniform mesh size, and minimal material strain during high-speed operation.
5. Electronic Fabric Take-Up & Batching
Advanced take-up controls maintain optimal fabric tension across various roll diameters, supporting smooth handling for diverse textile structures.
Reliable Components for A-ZEN RD7-EL Warp KNITTING MACHINE
The A-ZEN RD7-EL is built with premium global industrial-grade components to guarantee continuous, low-maintenance operation:
* Component specifications can be customized according to client operational requirements and machine configurations.
A-ZEN Global Technical Support & Overseas Service
A-ZEN focuses on selecting reliable, market-tested components and providing continuous technical support for international warp knitting production.
Comprehensive technical assistance and remote diagnostics are provided through direct online channels and localized service resources in strategic regional markets.
Key International Operational Markets:
* Service deployment methods and regional engineer dispatch are tailored based on regional location, project scale, and operational requirements.
RD7-EL MACHINE PDF Technical Documentation
RD7-EL Machine Catalog & Technical Manual
Download official engineering specifications, configuration details, and dimension charts in PDF format.
RD7-EL Technical Specifications
| Specification Parameter | RD7-EL Technical Standard |
|---|---|
| Machine Type | Double Needle Bar Raschel Warp Knitting Machine |
| Model Designation | A-ZEN RD7-EL |
| Working Width | 138", 210" (Custom width options available) |
| Machine Gauge | E18, E22, E24 |
| Working Speed Range | 50 – 900 rpm (Subject to yarn characteristics & fabric structure) |
| Needle Bar System | 2 Individual Latch Needle Bars |
| Guide Bars Configuration | 7 Ground & Pattern Guide Bars |
| Knock-over Comb Distance | 2 – 12 mm (Adjustable spacer thickness) |
| Pattern Mechanism | Precision Electronic Shifting Drive (EL System) |
| Yarn Let-Off System | Electronic Constant-Tension Feeding (EBA/EBC) |
| Fabric Take-Up & Batching | Synchronized Electronic Take-Up and Automatic Batcher |
| Optional Attachments | Thermal Setting System, Auto Knock-over Comb Controller |
Need custom working widths or tailored configuration for specific 3D spacer production?
Request a Custom QuoteRD7 Machine Working Video – RD7-EL Running in Turkey
What Can The RD7-EL Machine Produce?
1. Shoe Upper Spacer Fabrics
Breathable spacer and air mesh fabrics for sports shoe upper applications, customized with diverse yarn combinations.
2. Mattress Spacer Textiles
Three-dimensional spacer fabrics built for bedding applications requiring high breathability and structural support.
3. Automotive Spacer Fabrics
High-performance warp-knitted spacer textiles tailored specifically for automotive interior applications.
4. Backpack & Technical Mesh
Durable spacer and mesh fabrics designed for backpacks and other multi-functional technical textiles.
Spacer Mesh Shoe Upper
Mattress Textiles
Car Seat Spacer Mesh
Advantages of A-ZEN Service
Original Machine Design & Custom Development
A-ZEN offers tailored machine designs and custom development solutions to meet specific client needs, ensuring optimal performance for diverse textile applications.
Original Machine Design
Custom Development Solutions
ISO-Standard Assembly and Quality Inspection
Quality Control During Assembly
Precision Component Setup
Rigorous Machine Testing
ISO-Standard Inspection
Professional Packing and Shipping Team
Machine Delivery
Seaworthy Package
Professional Shipping
Global Safe Transport
Why Choose A-ZEN For An RD7-EL Machine?
✓ Machine Configuration Support
Recommended according to your specific fabric and production requirements.
✓ Factory Testing
Rigorous machine testing conducted before final delivery.
✓ Technical Support
Professional installation and commissioning guidance.
✓ Overseas Service
Reliable technical support and service for international customers.
✓ Spare Parts Support
Long-term spare parts supply and dedicated after-sales support.
Factory Testing Before Delivery
Each machine is thoroughly tested before delivery according to the selected machine configuration and production requirements. Testing procedures include:
* Factory testing confirms machine stability before shipment and supports a smooth, efficient installation and commissioning process at the customer's factory.
FAQ About RD7-EL Double Needle Bar Raschel Machine
Q1: What is an RD7-EL double needle bar Raschel machine?
The RD7-EL is a double needle bar Raschel warp knitting machine designed primarily for producing three-dimensional spacer fabrics, air mesh textiles, and other technical warp-knitted fabrics.
The machine uses two needle bars and multiple guide bars to form three-dimensional textile structures for applications such as shoe uppers, mattresses, automotive interiors, and technical textiles.
Q2: What fabrics can the RD7-EL produce?
The RD7-EL machine is capable of manufacturing a wide range of technical textiles, including:
* Note: The final fabric structure depends on yarn selection, machine configuration, and knitting design.
Q3: What is the difference between RD7-EL and a Jacquard double needle bar machine?
The RD7-EL is engineered primarily for producing standard spacer fabrics and technical mesh textiles using a double needle bar structure combined with an electronic pattern drive system (EL).
Jacquard double needle bar machines incorporate additional Jacquard technology to enable highly complex pattern development and specialized engineered textile designs.
* The appropriate machine choice depends on the customer's target fabric structure and design complexity requirements.
Q4: How many guide bars does the RD7-EL have?
The RD7-EL is configured with 7 ground bars.
This guide bar configuration flexibly supports the production of diverse spacer fabric structures and technical mesh patterns.
Q5: Can A-ZEN customize the RD7-EL machine configuration?
Yes. A-ZEN offers customized machine configurations tailored to specific fabric specifications, yarn types, working widths, and production capacity targets.
* Custom specifications are thoroughly discussed and confirmed prior to machine manufacturing.
Q6: Can A-ZEN help with fabric development?
Yes. A-ZEN provides technical consulting and machine configuration advice based on the target fabric requirements provided by the client.
* Customers are encouraged to supply physical fabric samples, photos, or detailed technical datasheets for assessment.
Q7: Is A-ZEN a manufacturer? Does A-ZEN provide installation support?
Manufacturer Status: A-ZEN is a dedicated manufacturer of warp knitting machinery and technical solutions. Our integrated setup includes machine assembly, key component manufacturing, spare parts production, and fabric R&D support.
Service Support: Yes. A-ZEN provides complete installation guidance, commissioning support, operator training, and ongoing technical support (available on-site or online depending on the project location).
Q8: Does A-ZEN provide overseas technical service?
A-ZEN offers on-site technical service in major overseas markets and comprehensive online technical support for global customers.
* Please contact the A-ZEN team to confirm service availability for your specific region.
Q9: Are spare parts available after purchasing the machine?
Yes. A-ZEN maintains a full stock of genuine spare parts and offers long-term technical support to ensure smooth machine operation and maintenance.
* Customers can provide machine serial numbers and part requirements to our service team for quick verification.
Certificates & Qualifications
ISO9001
CE Standard
CE Compliance
CE Safety Standard
UL Standard
Strategic Partner
Official Qualification
A-ZEN Trademark
Technology Patent
Machine Patent