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Battery Hot Press Forming Machine for Pouch Battery Thickness Calibration | Dual-Station Turntable Cell Flattening System
This Hot & Cold Press Forming Machine is designed for thickness calibration and flattening of soft pack (pouch) batteries and cells, ensuring consistent thickness and uniform appearance. Featuring a turntable system with two press stations – hot pressing (copper platen) and cold pressing (steel platen) – the machine automatically processes cells through heat and pressure, then cooling and setting cycles. with pressure up to 5T and output up to 16PPM, this system delivers precise thickness control for high-quality pouch cell production.
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Battery Hot Press Forming Machine Product Overview
The Hot & Cold Press Forming Machine is a specialized press system for flattening and thickness calibration of soft pack (pouch) batteries and cells. After the lamination and sealing processes, pouch cells often have uneven thickness or surface irregularities. This machine applies controlled heat and pressure followed by cooling and setting to achieve consistent cell thickness and uniform appearance.
The system features a turntable design with two press stations:
Hot Pressing Station: Copper platen applies heat (up to 100°C) and pressure to soften and form the cell to a uniform thickness.
Cold Pressing Station: Steel platen applies pressure to cool and set the cell, locking in the calibrated thickness.
The operator manually loads batteries onto the turntable, which indexes the cells sequentially through hot pressing, cold pressing, and unloading positions. The machine is available in two models with different platen sizes and pressure capacities to accommodate various battery sizes and production requirements.
Process Flow
Manual Loading: Operator places batteries onto the turntable at the designated loading area.
Hot Pressing Station: Turntable indexes the battery to the hot pressing station. The copper platen applies heat (room temp to 100°C adjustable, ±5°C) and pressure (300-3000Kg or 300-5000Kg depending on model) for a set time (0-999.9s adjustable), softening the cell and forming it to a uniform thickness.
Cold Pressing Station: Turntable indexes the battery to the cold pressing station. The steel platen applies pressure (same range) to cool and set the cell, locking in the calibrated thickness.
Manual Unloading: Turntable indexes the finished cell to the unloading area for removal by the operator. The cycle repeats continuously.
Pouch battery hot press machine Key Features & Advantages
| Feature | Benefit |
| Turntable Design with Hot & Cold Press Stations | Sequential hot forming and cold setting in one machine for consistent results |
| Copper Hot Platen | Excellent heat transfer for uniform temperature distribution during forming |
| Steel Cold Platen | Rapid cooling and setting to lock in calibrated thickness |
| High-Pressure Capability | Up to 3T (Model 300) or 5T (Model 400) for effective cell flattening |
| Precise Parallelism Control | ±0.1mm parallelism ensures uniform pressure distribution across the entire cell surface |
| Adjustable Pressure Range | 300-3000Kg or 300-5000Kg flexible range for different cell types |
| Precise Temperature Control | ±5°C accuracy for consistent forming results |
| Adjustable Holding Time | 0-999.9 seconds for process optimization |
| High Output | 2-16PPM depending on model and cycle time |
| Tool-Free Changeover | Quick adjustment for different cell sizes |
| Chiller Ready | Cooling system interface for external chiller (customer-provided) |
Parallelism & Pressure Verification:
The machine’s parallelism is verified using carbonless paper (3-layer) under 1T pressure at operating temperature. A uniform impression across the entire platen surface confirms proper parallelism (≤±0.1mm), ensuring even pressure distribution and consistent cell thickness across the entire battery surface.
Control System:
PLC Control: Fully programmable logic controller for reliable and repeatable operation.
HMI Touchscreen: User-friendly interface for setting temperature, pressure, holding time, and other process parameters.
Temperature Monitoring: Real-time display of hot platen temperature with alarm for abnormal conditions.
Pressure Monitoring: Adjustable pressure control with real-time feedback.
Cycle Control: Automatic turntable indexing with interlock protection
Battery hot press machine Product Models & Specifications
| Parameter | P-HPM300 | P-HPM400 |
| Platen Size (L×W) | 300mm × 300mm | 300mm × 400mm |
| Platen Material | Hot: Copper / Cold: Steel | Hot: Copper / Cold: Steel |
| Booster Cylinder Pressure | 3T | 5T |
| Hot Press Temperature | Room temp – 100°C adjustable, control accuracy ±5°C | Room temp – 100°C adjustable, control accuracy ±5°C |
| Upper/Lower Platen Parallelism | ±0.1mm (tested with carbonless paper at 1T pressure, uniform impression) | ±0.1mm (tested with carbonless paper at 1T pressure, uniform impression) |
| Platen Pressure Range | 300 – 3000Kg adjustable | 300 – 5000Kg adjustable |
| Holding Time | 0 – 999.9 seconds adjustable | 0 – 999.9 seconds adjustable |
| Mechanical Speed | 12PPM (1-out-6, within 30s cycle) | 16PPM (1-out-8, within 30s cycle) |
| Cooling System | 10-25°C adjustable (chiller provided by customer) | 10-25°C adjustable (chiller provided by customer) |
| Air Source | ≥0.5MPa, 100L/min | ≥0.5MPa, 100L/min |
| Power Supply | AC380V, 5KW | AC380V, 5KW |
| Vacuum Source | Not required | Not required |
| Machine Dimensions | 750mm(L) × 1500mm(W) × 1750mm(H) | 1170mm(L) × 1300mm(W) × 1750mm(H) |
| Machine Weight | Approx. 1T | Approx. 1.3T |