Cylindrical Cell Assembly Equipment
Fully Automatic Cylindrical Lithium Battery Winding Machine
Item Number : YZ03
Price varies based on specs and customizations
- Supported Cylindrical Cell Diameter
- φ16 to φ28
- Power Supply
- Single-phase AC220V 50HZ
- Required Air Supply
- 5~7 kgf/cm², approximately 100 l/min
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Easy ordering process, quality products, and dedicated support for your business success.
Product Overview
This fully automatic cylindrical lithium battery winding machine is engineered for continuous winding of cylindrical lithium-ion battery cells. Positive electrode, negative electrode, and separator materials are actively unwound, tension-controlled, cleaned, edge-corrected, and guided into the winding station. The process concludes with termination tape application, finished-cell reaming, automatic unloading, short-circuit inspection, defective-cell rejection, and transfer of qualified cells to a collection table.
The equipment supports cylindrical cell sizes from φ16 to φ28, with material widths of approximately 50 to 60 mm achievable through a suitable take-out clamp change and parameter adjustment. It is intended for battery research, pilot production, process development, and advanced manufacturing environments requiring repeatable cell assembly with reduced manual intervention.
A servo-driven indexing turntable, dual half-pin single-side withdrawal mechanism, guided slide-rail construction, segmented tension control, and mechanical-hand unloading provide a robust foundation for stable operation. Protective guarding around the testing area, accessible controls, and a layout designed for downstream connection support safe, consistent production under demanding operating conditions.
Key Features
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Fully Automatic Winding Workflow: Active unwinding, tension control, dust removal, edge correction, winding, termination tape application, reaming, unloading, short-circuit testing, defect rejection, and qualified-cell collection are integrated into one continuous process.
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Servo Indexed Positioning: A servo motor and indexing mechanism drive the workstation turntable, providing accurate station positioning and fast changeover movement for efficient production cycles.
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High-Speed Dual Half-Pin Winding: The dual half-pin, single-side withdrawal design improves winding speed while supporting controlled removal of the winding pin from the finished cylindrical cell.
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Fast Winding-Pin Replacement: The winding pin can be replaced and returned to normal production in approximately five minutes, reducing maintenance-related downtime and improving equipment availability.
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Stable Material Tension: Positive electrode, negative electrode, and separator rolls use automatic unwinding. Proportional-valve control allows winding tension to be adjusted in separate process segments for improved consistency across the cell structure.
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Accurate Edge Correction: Edge-seeking correction detects the material edge directly, enabling faster and more accurate correction than less targeted alignment methods. Pre-winding correction is included to improve material entry alignment.
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Clean Material Handling: Dust-removal devices are installed at electrode unwinding and end-cutting areas. Separator static-elimination capability helps reduce electrostatic interference during material handling.
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Reliable Termination Tape Application: Rolling application of the termination tape helps limit wrinkles and supports a more uniform finished-cell surface.
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Low-Damage Automated Transfer: A mechanical hand unloads completed cells onto a belt conveyor, reducing impact damage and providing a controlled connection to the next process stage.
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Integrated Short-Circuit Screening: The short-circuit testing mechanism completes testing and discharge in one operation. Positive contact performance, protective guarding, and automatic defective-cell rejection help reduce missed defects and unnecessary manual inspection.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Cylindrical lithium-ion cell fabrication | Wind positive electrode, negative electrode, and separator materials into cylindrical battery cores before downstream cell finishing and assembly. | Integrates critical winding and inspection steps into a repeatable automatic workflow. |
| Battery R&D laboratories | Evaluate winding parameters, electrode entry order, tension profiles, separator handling, and termination processes during cell development. | Parameter-based setup supports process experimentation without requiring extensive mechanical modification. |
| Pilot-scale battery production | Produce development or pre-production cylindrical cells using automatic material handling and controlled station indexing. | Reduces operator dependence while maintaining a practical scale for engineering validation. |
| Electrode process verification | Use controlled unwinding, edge correction, and segmented tension adjustment to assess whether coated and slit electrodes meet winding requirements. | Helps identify material and alignment issues before they affect larger production runs. |
| Advanced materials research | Fabricate cylindrical test cells for new electrode formulations, separator structures, and battery materials studies. | Provides consistent winding conditions for more reliable comparison between experimental batches. |
| Battery manufacturing quality control | Apply integrated short-circuit testing, discharge, defective-cell rejection, and qualified-cell conveyance after winding. | Establishes an automated screening point before cells enter subsequent operations. |
| Cell production line integration | Connect the belt discharge path with a downstream process while keeping the electrical cabinet positioned beside the winding machine. | Supports orderly material flow and minimizes interference with downstream equipment connections. |
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | YZ03 |
| Primary function | Automatic winding of cylindrical lithium-ion battery cells |
| Process configuration | Positive electrode, negative electrode, and separator active unwinding; tension control; dust removal; edge correction; separator static elimination; winding; termination tape application; reaming; automatic unloading; short-circuit testing; defective-cell rejection; qualified-cell collection |
| Supported cylindrical cell diameter | φ16 to φ28 |
| Applicable material width | 50 to 60 mm, subject to suitable take-out clamp replacement and parameter adjustment |
| Electrode entry order | Positive electrode first or negative electrode first, freely selected by parameter adjustment |
| Positive electrode inner diameter | φ76.2 mm |
| Positive electrode outer diameter | ≤φ400 mm |
| Positive electrode width | 40 to 66 mm |
| Positive electrode thickness | 0.1 to 0.2 mm |
| Negative electrode inner diameter | φ76.2 mm |
| Negative electrode outer diameter | ≤φ400 mm |
| Negative electrode width | 42 to 68 mm |
| Negative electrode thickness | 0.1 to 0.2 mm |
| Separator inner diameter | φ76.2 mm |
| Separator outer diameter | ≤φ300 mm |
| Separator width | 44 to 70 mm |
| Separator thickness | 0.015 to 0.030 mm |
| Termination tape inner diameter | φ76.2 mm |
| Termination tape outer diameter | ≤φ150 mm |
| Termination tape width | 20 to 60 mm |
| Termination tape thickness | 0.02 to 0.05 mm |
| Maximum tabs per individual electrode | ≤2 |
| Recommended tab welding process | Through-welding process |
| Recommended exposed tab length | Less than 25 mm |
| Electrode coating requirement | Uniform coating with controlled length and position |
| Electrode calendering wave | Less than 1 mm |
| Electrode serpentine bend | Less than 0.3 mm/1000 mm, subject to not affecting winding accuracy |
| Electrode slitting width error | Less than ±0.05 mm |
| Electrode roll telescoping | Not more than ±1 mm |
| Electrode roll winding tension | Uniform |
| Tab condition | Tabs should be flat; bending should be avoided as far as possible to prevent misjudgment |
| Post-welding thickness condition | Tab welding must not affect the original electrode thickness |
| Termination tape roll condition | Uniform winding without obvious telescoping, wrinkles, or warping |
| Electrode defect marking | Spliced sections, missing tabs, bright spots, and other defects should be identified with color marks for manual detection |
| Unwinding control | Automatic unwinding for positive electrode, negative electrode, and separator |
| Tension adjustment | Proportional-valve control with segmented tension adjustment |
| Edge correction method | Edge-seeking correction based on material-edge detection |
| Pre-winding correction | Included |
| Winding-pin structure | Dual half-pin, single-side withdrawal |
| Winding-pin replacement time | Approximately five minutes to replace and resume normal production |
| Winding component construction | Slide-rail structure with controlled clearance fit |
| Termination tape application | Rolling application |
| Unloading method | Mechanical-hand unloading |
| Cell transfer method | Belt conveyor to collection table or downstream process |
| Short-circuit inspection | Short-circuit testing mechanism with testing and discharge completed in one operation |
| Short-circuit protection | Protective cover included |
| Human-machine interface | Sliding-type interface for more convenient and safer material replacement and operation |
| Electrical cabinet position | Right side of the winding machine |
| Downstream connection | Unloading area designed to avoid affecting connection with the next process |
| Equipment dimensions | Approximately 2400L × 1500W × 2100H mm, excluding conveyor connection extension |
| Power supply | Single-phase AC220V 50HZ |
| Power consumption | Approximately 10 KW |
| Equipment weight | Approximately 3000 kg |
| Required air supply | 5~7 kgf/cm², approximately 100 l/min |
| Gas and liquid restrictions | No corrosive gas, corrosive liquid, or explosive gas |
| Pneumatic arrangement | Blow-air section and air-source triplex unit separated |
| Noise requirement | Must comply with TJ36-79 Industrial Enterprise Design Health Standards |
| Noise limit reference | Noise must not exceed 80dB (A), national standard GB3096-82 |
| Noise measurement condition | Measured at a distance of 1 m from the equipment |
| Noise during idle operation | Not more than 75dB |
| Noise during cutting and loaded operation | Not more than 85dB |
| Interface and maintenance | User-friendly interface, simple operation, and straightforward maintenance |
Why Choose This Product
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Designed for Consistent Cell Quality: Servo indexing, edge-seeking correction, segmented tension control, and controlled material entry help maintain repeatable winding alignment throughout production.
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Built for Practical Production Uptime: The quick winding-pin replacement procedure, slide-rail construction, accessible sliding interface, and straightforward maintenance design reduce avoidable service interruptions.
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Integrated Quality Control: Short-circuit testing, one-step discharge, protective guarding, automatic defect rejection, and qualified-cell collection provide a controlled inspection path after winding.
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Flexible Research and Pilot Production: Adjustable electrode entry order, support for φ16 to φ28 cylindrical cells, and format changes through clamp replacement and parameter adjustment allow the unit to serve multiple development programs.
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Careful Material and Cell Handling: Dust removal, separator static elimination, rolling termination tape application, mechanical-hand unloading, and belt conveyance protect process stability and help minimize finished-cell damage.
Contact us for a quotation, application review, and a customized winding solution matched to your electrode materials, cylindrical cell format, and production workflow.
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