Atomfair-CRP8866 Continuous Roller Press
Product Overview
Atomfair-CRP8866 Continuous Roller Press is a high-precision sheet and coil rolling equipment, which is mainly used in the rolling process of positive and negative electrodes in the lithium-ion battery industry. It can stably realize high-precision rolling of electrode sheets and provide a reliable guarantee for the core performance of batteries.
Functional Features
High-Precision Integral Housing
Adopts integral cast rigid structure of 45# steel (or QT500), equipped with adjustable support block anti-backlash device, easy to complete high-precision assembly, and has excellent rolling precision performance; the equipment has small deformation and stable rigid state, while taking into account the convenience of disassembly and assembly and the convenience of later maintenance.
Short-Distance Vibration Damping Design
Through structural optimization design, the transmission path of rolling pressure during the rolling of battery electrode sheets is shortened to the maximum extent, which effectively improves the rigidity of the rolling mill and ensures the stable development of seam rolling process and the rolling precision of electrode sheets; the symmetrical gap adjustment design is adopted, which can accurately ensure the uniform thickness of the rolled electrode sheets.
Deep Hardening Process
Adopts induction hardening process, scientifically matches the alloy content, roll surface hardness and non-attenuating hardness layer thickness, to ensure that the surface quenching hardness of the roll body reaches HRC≥65, and the non-attenuating hardness layer thickness can reach 8~12mm. Compared with the conventional integral hardening process in the industry, it can completely solve the pain points of roll surface hardness lower than HRC65, thin hardness layer and hardness attenuating from outside to inside.
Variable Frequency Speed Regulation System
Equipped with variable frequency governor, it can realize free setting of rotating speed from 0 to 5 revolutions per minute, support online real-time speed regulation and clear display of rotating speed, can flexibly adapt to different rolling process requirements, and has convenient and efficient operation.
Electric Boost System
The maximum pre-pressure of the electric boost system can reach 150 tons, the double hydraulic cylinders can realize synchronous advance and retreat, equipped with clear pressure display function, taking into account the convenience of operation, pressure stability and use safety, to ensure the efficient and orderly development of the rolling process.
Technical Parameters
| Parameter Category | Specific Specifications |
|---|---|
| Power Supply | Voltage: 380VAC±10% (3-phase), Frequency: 50Hz/60Hz, Power: 4.5KW |
| Air Supply | Compressed Air: 0.5-0.8MPA |
| Operating Environment | Recommended Ambient Temperature: 25±3℃, Humidity: 30~90RH, No Vibration & No Electromagnetic Interference |
| Roll Specification | ф300mm×350mm |
| Effective Roll Surface Size | 100-300mm |
| Linear Pressure Between Two Rolls | 1500KN |
| Roll Body Hardness | HRC≥66 |
| Pressure Control Precision | ≤0.5T |
| Non-Attenuating Hardness Layer Thickness | Minimum 12mm |
| Roll Surface Roughness | Ra≤0.04 |
| Installed Roll Jump Precision Error | ≤0.0015mm |
| Roll Cylindricity Error | ≤0.0015mm |
| Electrode Sheet Rolling Precision | ≤±0.003mm (Coating Precision≤±0.003mm) |
| Roll Gap Adjustable and Measurable Range | 0~2.0mm (Adjustment Precision 0.001mm) |
| Roll Rotating Speed | Stepless Adjustable, Maximum Speed 5 Revolutions Per Minute |
| Equipment Dimensions | Approx. 2.5m×1.2m×1.5m (L×W×H) |
| Equipment Weight | Approx. 3 Tons |
| Roll Press Drive | Gear Reducer |
If you’re interested, have any questions, or have specific customization requirements, please feel free to contact us at inquiry@atomfair.com.
The equipment requires a stable, vibration-free environment with ambient temperature of 25±3°C and humidity between 30-90% RH to maintain rolling precision. Operation demands a 380VAC±10% three-phase power supply and compressed air at 0.5-0.8 MPa, with no electromagnetic interference.
- Environmental Sensitivity: The rolling precision is sensitive to ambient temperature and humidity, requiring controlled conditions of 25±3°C and 30-90% RH to prevent thermal deformation and maintain dimensional accuracy.
- Infrastructure Requirement: The equipment requires a 380VAC±10% three-phase power supply and a compressed air supply of 0.5-0.8 MPa for operation.
- Mechanical Precision Constraint: The roll gap adjustment precision of 0.001mm and electrode sheet rolling precision of ±0.003mm demand a rigid, vibration-free foundation to avoid deviations.
- Safety and Stability: The electric boost system's maximum pre-pressure of 150 tons requires careful pressure monitoring to prevent overloading and ensure operational safety.
This procedure outlines the essential steps to safely set up and operate the roller press, ensuring optimal rolling precision and equipment longevity. Proper preparation and adherence to operational parameters are critical to avoid damage and achieve consistent electrode thickness.
Required Equipment: Variable frequency speed regulator, Electric boost system with pressure display, Gap adjustment mechanism with 0.001mm precision
- Verify environmental conditions
Confirm ambient temperature is 25±3°C, humidity is 30-90% RH, and the area is free from vibration and electromagnetic interference. - Connect utilities
Connect the equipment to a 380VAC±10% three-phase power supply and compressed air at 0.5-0.8 MPa. - Set roll gap
Adjust the roll gap to the desired thickness using the precision adjustment mechanism, ensuring the gap is within 0-2.0mm with an accuracy of 0.001mm. - Set rolling speed
Set the rolling speed between 0-5 RPM using the variable frequency governor, adjusting as needed for the specific electrode material. - Engage electric boost system
Activate the electric boost system and gradually increase pressure to the required level, monitoring the pressure display to avoid exceeding 150 tons. - Feed electrode sheet
Feed the electrode sheet into the roll nip, ensuring it is aligned and centered to maintain uniform thickness. - Monitor rolling process
Monitor the rolling process continuously, checking electrode thickness and adjusting speed or pressure as needed to maintain precision.
What is the maximum linear pressure and roll hardness of the Atomfair-CRP8866 continuous roller press, and how does this affect electrode densification?
The Atomfair-CRP8866 delivers a maximum linear pressure of 1500 kN between rolls and a roll body hardness of HRC≥66, with a non-attenuating hardness layer thickness of at least 12 mm. This combination ensures uniform densification of electrode coatings, achieving an electrode sheet rolling precision of ≤±0.003 mm, which is critical for consistent battery performance and energy density.
What are the electrical and pneumatic infrastructure requirements for installing the Atomfair-CRP8866?
The Atomfair-CRP8866 requires a 380VAC±10% (3-phase) power supply at 50/60Hz with a total power of 4.5 kW, and a compressed air supply of 0.5–0.8 MPa. The recommended operating environment is 25±3°C with 30–90% RH, and the equipment must be installed in a vibration-free area with no electromagnetic interference to maintain rolling precision.
How does the roll gap adjustment and speed control system work on the Atomfair-CRP8866, and what precision can be achieved?
The roll gap is symmetrically adjustable and measurable from 0 to 2.0 mm with an adjustment precision of 0.001 mm, ensuring uniform electrode thickness. The variable frequency drive allows stepless speed control from 0 to 5 revolutions per minute, enabling real-time speed adjustments to suit different rolling process requirements while maintaining high precision.
The Atomfair-CRP8866 Continuous Roller Press delivers a 150-ton electric boost system with 0.001mm gap adjustment and ±0.003mm rolling precision, supported by a deep-hardened roll surface (HRC≥66, 12mm non-attenuating layer) for sustained electrode calendering accuracy in lithium-ion battery production.
Positive
- Deep-hardened roll surface: Induction-hardened rolls achieve HRC≥66 with a non-attenuating hardness layer of 12mm minimum, ensuring consistent rolling performance and extended service life compared to conventional hardening methods.
- High-precision gap control: Symmetrical gap adjustment with 0.001mm resolution and roll cylindricity error ≤0.0015mm enables electrode thickness uniformity within ±0.003mm, critical for battery performance consistency.
Trade-offs
- Environmental sensitivity: Requires controlled ambient conditions (25±3°C, 30-90% RH) and a vibration-free, electromagnetically shielded environment to maintain rolling precision and avoid process variability.
- Infrastructure dependencies: Operates on 380VAC±10% three-phase power and requires compressed air at 0.5-0.8MPa, necessitating dedicated utility connections and air supply infrastructure in the lab or production facility.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
