3D Printer Heat Dissipation Upgrade Solution | Fengheng Technology
Fengheng Technology provides professional heat dissipation solutions for the 3D printing industry. Addressing the heat dissipation challenges of different types of 3D printers, including FDM, SLA, and SLS printers, they offer comprehensive upgrade solutions for throat cooling, model cooling, and control board cooling. Below is a comparison of the original fan configurations for mainstream 3D printer models and Fengheng Technology's upgrade recommendations.
I. Comparison and Upgrade Recommendations for Mainstream 3D Printer Brand Fan Models
| Brand/Model | Installation location | Original model/specification | Frequently Asked Questions | Fengheng Upgrade Recommendation | Reasons for upgrading |
|---|---|---|---|---|---|
| Bambu Lab X1/X1C | throat heat dissipation | 5V 3010 / 4010 | Insufficient heat dissipation during prolonged high-speed printing | FH4010 Ball Bearing Version | Larger airflow provides stable support for high-speed printing. |
| Auxiliary model cooling | 24V 92mm Side-blowing Fan (12W) | Limited wind force on one side results in mediocre overhang performance. | FH9225 High Airflow Version | Increase airflow and air pressure to improve heat dissipation on the other side. | |
| Prusa MK4 | throat/model | 5V 5015 Blower (BFB0505HHAC) | Good overall performance | FH5015 High-Speed Version | Provides superior cooling performance, especially suitable for high-speed printing. |
| — | — | — | — | — | |
| Anycubic Kobra 2 series | Model cooling | 24V 5020 Dual Intake Fan | The airflow is weak, and the large hanging panels are prone to stringing. | FH5020 Double Ball Version | Increased airflow significantly improves drape performance. |
| throat heat dissipation | 24V 3010 Hydraulic Fan | Prolonged exposure to high temperatures can cause it to fail. | FH3010 Ball Bearing Version | Improve lifespan and high-temperature resistance, and prevent clogging. | |
| Anycubic Kobra 3 | throat heat dissipation | 24V 3010 Hydraulic | Same as above | FH3010 Ball Bearing Version | Improve lifespan and high temperature resistance |
| Motherboard cooling | 24V 8015 Hydraulic | Risks of working in high temperatures for extended periods | FH8015 Double Ball Version | Ensures stable operation of the main control chip, suitable for long-term printing. | |
| Creality Ender-3 series | throat heat dissipation | 24V 4010 Oil-impregnated bearing | It's widely acknowledged that it "starts arguing after a few months of use."“ | FH4010 Hydraulic Bearing Version | Solving noise and lifespan issues |
| Model cooling | 24V 4010 blower | The air volume is small and it is frequently modified. | FH4010 Blower Upgrade Version | Significantly increases airflow and improves print quality. | |
| Creality CR-10 / K1 | throat heat dissipation | 24V 4010/7515 | High-speed machines generate a lot of heat | FH7515 High-Pressure Blower | Coping with the high heat generated by high-speed printing |
| — | — | — | — | — |
II. Four Core Pain Points of 3D Printer Heat Dissipation
Pain Point 1: Insufficient heat dissipation in the throat tube → Blockage/no material output
Phenomenon:During the printing process, the extruder suddenly stopped printing, causing it to "idle" and the model to be scrapped.
root cause:If the cooling fan in the throat tube fails or the airflow is insufficient, heat will rise and cause the consumables to melt and expand prematurely inside the throat tube, blocking the passage.
User feedback:Creality's official Wiki clearly states that "abnormal throat cooling causes the consumables inside the throat to melt, resulting in insufficient extrusion thrust, insufficient material output, or no material output at all."
Pain Point 2: Insufficient Model Cooling → Deformation/Wire Drawing/Suspension Collapse
Phenomenon:The suspended parts and sharp corners of the model showed signs of melting, sagging, and stringing.
root cause:The model's cooling fan has insufficient airflow, and the extruded filament cannot cure in time.
User feedback:The official FLUX support page states that "when the temperature is too high and the material is extruded without cooling, the model will deform."
Pain Point 3: Control board overheating → Triggers protection/printing interruption
Phenomenon:The printer suddenly stopped and alarmed, displaying "overheat protection".
root cause:Prolonged continuous printing can lead to insufficient heat dissipation in the control board, power supply, and motor driver.
User feedback:Industry data shows that the control board temperature can reach over 70°C when printing continuously for 8 hours without stopping.
Pain Point 4: Original Fan is Noisy and Has a Short Lifespan
Phenomenon:After a few months of use, the fan started making a "buzzing" sound until it stopped spinning.
root cause:Cheap oil-impregnated bearings will become noisier and eventually seize up once the oil dries out.
III. Fengheng Technology 3D Printer Heat Dissipation Solution
Option 1: Upgrade the heat dissipation of the throat tube
- Recommended model: 301040107515 ball bearing fan
- Bearing type: Ball bearings (life 40,000-60,000 hours)
- Air volume requirements: ≥4-6 CFM
- Expected results: Completely solve the problem of blockage caused by heat rising into the throat.
Option 2: Model Cooling Upgrade
- Recommended model: 5015 blower5020 Dual Air Intake, 6020
- Wind pressure requirements: High wind pressure design, wind pressure >10mmH₂O
- Air volume requirements: ≥5-8 CFM
- Expected results: Consumables cure quickly, and the suspended structure has no sagging or stringing.
Option 3: Heat dissipation for control board and power supply
- Recommended model: 40108015 Dual Ball Bearing Fan
- Bearing type: Hydraulic bearings (quiet operation) or ball bearings (long lifespan)
- Noise control: ≤25dBA
- Expected results: Supports continuous printing 24/7 without triggering overheat protection.
IV. Quick Reference Table for 3D Printing Heat Dissipation Solutions
| Heat dissipation requirements | Recommended Model | Core parameters |
|---|---|---|
| Throat heat dissipation (Hotend) | FH3010 / FH4010 / FH7515 | 24V, ball/hydraulic bearing, high static pressure |
| Model cooling (part cooling) | FH5015 / FH5020 / FH6020 | 5V/24V, blower, high air volume |
| Control board/power supply heat dissipation | FH4010 / FH8015 | 24V, dual ball bearings, long lifespan |
V. Industry Trends: 3D Printing is Transforming Radiator Manufacturing
According to industry information from Formnext Asia Shenzhen 2026:
- Additive manufacturing enables heat sinks: 3D printing technology can process pure copper and copper alloys, enabling the creation of complex internal flow channels that are impossible to machine using traditional CNC.
- Market growth: The global 3D printed heat sink market is estimated at $18.51 million in 2025 and is projected to reach $65.16 million by 2032, with a CAGR of 19.91%.
- Microchannel technology: Additive manufacturing can achieve hydraulic diameterMicrochannels smaller than 1 mm significantly improve heat transfer efficiency.
Implications for 3D printing users: Don't be satisfied with just "the original fan works." Professional-grade cooling is key to improving print success rates and reducing malfunctions.
VI. 3D Printer Heat Dissipation Upgrade Selection Guide
| Printer type | Recommended throat cooling | Model Cooling Recommendations | Recommended heat dissipation for control board |
|---|---|---|---|
| Desktop FDM (such as Ender-3) | 3010 ball bearing | 5015 blower | 4010 hydraulic bearing |
| Medium-sized FDM (such as CR-10) | 4010 blower | 5015 blower × 2 | 5015 |
| High-speed/large-size FDM (such as Bambu Lab K1) | 4010/7515 ball bearings | 6020 blower / 9225 large air volume | 5015 ball bearing |
| SLA/DLP light curing | — | — | 4010 Silent Fan |
VII. Frequently Asked Questions (FAQ)
Q1: How do I determine if the cooling fan in the throat tube needs to be replaced?
A: When the nozzle temperature reaches 35℃, observe whether the axial fan rotates. If it does not rotate or makes abnormal noise, it needs to be replaced.
Q2: What should I do if the cooling fan speed of the model is still not enough even when it is set to 100%?
A: Confirm that the nozzle cover is on (the nozzle cover has air ducts inside so that air can blow onto the model). If this is correct, it means that the original fan has insufficient airflow and a high-pressure blower needs to be upgraded.
Q3: Will the noise increase after upgrading the cooling fan?
A: No. Cheap original factory fans use oil-impregnated bearings, which actually become noisier over time. WindPower Technology uses ball bearings or hydraulic bearings, resulting in better noise control and a longer lifespan.
Q4: What should I do if my printer model is not in the comparison table?
A: Please provide your printer's brand and model, as well as your cooling requirements, and we will help you find a suitable upgrade solution.
Q5: Do you support custom 3D printer cooling kits?
A: Yes. We offer OEM/ODM customization services, including wire length, terminal type, mounting hole positions, protection rating, etc.
Q6: Do you support sample testing?
A: Free sample testing is available. You can send us an original fan or provide your specifications, and we will help you find a suitable upgrade solution.
More solutions: View all 31 industry cooling solutions →
Client Case Studies: View Fengheng Technology's success stories →
8. Contact us to obtain samples
Telephone: +86 13751170802
Official website: www.szfengheng.com
We welcome inquiries and collaborations from 3D printer manufacturers, modders, and after-sales service providers.