Radiator Fin Forming Machine

Radiator Fin Forming Machine for Automotive & Industrial Heat Exchangers

High-Precision Aluminum, Copper, Brass & Stainless Steel Strip Forming Lines Engineered Around Your Finished Fin Drawings
Our automatic Radiator Fin Forming Machine continuously converts precision metal coils into ultra-consistent folded fins for automotive radiators, condensers, evaporators, charge air coolers (CAC), and industrial intercoolers. Rather than selecting machinery based purely on motor horsepower or nominal line speed, we engineer every forming line around your actual fin drawing, material temper, and strict core assembly tolerances.

Stainless Steel Fin Forming Machine
For standard fin requirements, our stainless steel fin forming machine offers a reliable and cost-effective solution. It is suitable for small refrigeration and heat exchange units, including home
Alloy Fin Forming Machine
The commercial cooling industry requires stable and reliable production equipment. Our alloy fin forming machine is designed to meet these demands. It is suitable for cabinet air conditioner outdoor
Thin Material Fin Forming Machine
The medium industrial market is expanding rapidly, and our thin material fin forming machine is designed to help customers take advantage of this growth. It is suitable for commercial central air
Durable Fin Forming Machine
Industrial heat exchanger production requires both high speed and high precision. Our Durable Fin Forming Machine is designed to achieve a balanced performance between the two. It is suitable for
Heat Exchanger Fin Forming Machine
Large-scale commercial and industrial systems require exceptional precision and stability. Our heat exchanger fin forming machine is designed to meet these demands. It is suitable for subway air
Condenser Fin Forming Machine
Large-scale systems and high-end industries require stable and powerful production equipment. Our condenser fin forming machine is designed for demanding applications such as nuclear radiators,

Technical Specifications

Parameter	Engineering Capability Standard	Procurement & Quality Note
Supported Materials	Aluminum, Copper, Stainless Steel, Brass	Supports full hard to soft tempers (e.g., AA3003-O/H14)
Material Thickness Range	0.05 mm – 0.30 mm	Constant tension uncoiling prevents strip stretching
Fin Height Range & Tolerance	2.0 mm – 25.0 mm (Tolerance: ±0.02 mm)	Ensures precise tube-to-fin gap for CAB brazing
Fin Pitch Range & Tolerance	1.0 mm – 8.0 mm (Tolerance: ±0.03 mm)	Critical for smooth loading into automatic core builders
Max. Strip Width	Up to 100 mm (Customizable)	Accommodates multi-row CAC and industrial cores
Forming Speed	0 – 150 m/min (Stepless frequency control)	Speed adjusted based on material thickness and fin profile
Cutting Method	Synchronized Servo Guillotine / High-Speed Rotary	Burr-free cut edge to eliminate brazing voids
Tooling Steel Grade	SKD11 / D2 / Cr12MoV	Vacuum heat-treated to HRC 58–62
Tooling Changeover Time	30 – 45 Minutes	Modular cassette quick-change mechanism
Control System	Siemens / Mitsubishi PLC + Multi-Language HMI	Industrial Ethernet interface ready for Industry 4.0

Eliminating Core Assembly Bottlenecks

In heat exchanger manufacturing, minor dimensional deviations in fin pitch or height can cause core assembly failure or incomplete joint wet-out during Controlled Atmosphere Brazing (CAB). Our system addresses forming dynamics at every stage:

Coil Uncoiling with Tension Control -> Servo-Driven Strip Feeding -> Cassette Tooling Fin Forming -> Optical/Mechanical Pitch Calibration -> Synchronized Servo Cut-Off -> Automatic Fin Collection

Aluminum Alloys (0.05–0.30 mm): Specially ground forming rollers minimize surface micro-cracking and work-hardening on low-thickness foil (such as AA3003 and AA4343/3003 clad materials).

Copper & Brass Strips: Custom die clearances compensate for high material springback and higher yield strength, maintaining consistent fin leg perpendicularity.

Stainless Steel Alloys: Heavy-duty rigid forming stands and hard-alloy inserts withstand elevated localized forming stresses without machine deflection.

Core Engineering Features

30–45 Minute Quick Tooling Changeover (Modular Cassette System)
For radiator plants running multiple OEM part numbers daily, extended machine downtime reduces profitability. Our quick-change cassette tooling allows complete die swap-outs in under 45 minutes:

• Pre-aligned modular cassettes eliminate tedious manual micrometer adjustments during product switches.
• Precision slide-in docking mechanisms ensure immediate repeatable alignment between feeding rollers and cut-off blades.
• Ideal for flexible production environments manufacturing radiators, CACs, and condensers on a shared base line.

Premium Tool Steel Dies with HRC 58–62 Hardness
Forming rolls, side guides, and cutting blades are precision-machined from premium SKD11 / D2 tool steels and vacuum heat-treated to HRC 58–62. Integrated micro-dosing spray lubrication reduces die friction, extends sharp-edge service life, and prevents material galling during 24/7 continuous operation.

Burr-Free Cutting System (Servo Guillotine vs. Rotary Cut-Off)
• Servo Guillotine Cutting: Best for high-accuracy programmable cut lengths, complex louvered profiles, and applications requiring clean, burr-free end cuts.

• Rotary Cut-Off: Optimized for ultra-high-speed continuous forming lines where continuous strip synchronization is essential.

Both cutting systems feature micro-adjustable positioning to cut precisely along the fin crest without crushing or distorting the fin profile.

Quality Control & Factory Acceptance Testing (FAT)

Component & Die Inspection: Dimensional verification of forming rolls, cut-off blades, and guide channels using optical coordinate measuring equipment.

Assembly & Electrical Testing: Comprehensive check of wiring, servo drive response, emergency stop safety circuits, and PLC control logic.

Dry Run & Continuous Trial: Full-speed mechanical endurance testing to monitor thermal stability, vibration, and noise levels.

Material Sample Trial Run: Testing the machine with your actual metal strip sample according to your fin drawing.

Finished Fin Quality Audit: Dimensional inspection of fin height, pitch, width, and cut length tolerances, complete with a video report sent for customer sign-off prior to shipment.

How to Request an Accurate Quotation

To enable our engineering team to evaluate your fin forming requirements and provide an exact quotation, please provide the following technical details with your inquiry:

• Fin Drawing / Specification: Corrugated, Louvered, Serrated, or Flat profile drawing.

• Material Specification: Alloy grade (e.g., Aluminum 3003), temper condition (e.g., H14/O-temper), and strip thickness.

• Key Dimensions: Required Fin Height, Fin Pitch, Strip Width, and Finished Cut Length.

• Target Production Output: Required meters per minute or total fins per hour.

• Downstream Integration: Manual collection or integration into an automated core building system.

• Rotary Cut-Off: Optimized for ultra-high-speed continuous forming lines where continuous strip synchronization is essential.

Both cutting systems feature micro-adjustable positioning to cut precisely along the fin crest without crushing or distorting the fin profile.

Quality Control & Factory Acceptance Testing (FAT)
To guarantee machine performance prior to dispatch, every order follows a strict quality verification protocol:

• Component & Die Inspection: Dimensional verification of forming rolls, cut-off blades, and guide channels using optical coordinate measuring equipment.

• Assembly & Electrical Testing: Comprehensive check of wiring, servo drive response, emergency stop safety circuits, and PLC control logic.

• Dry Run & Continuous Trial: Full-speed mechanical endurance testing to monitor thermal stability, vibration, and noise levels.

• Material Sample Trial Run: Testing the machine with your actual metal strip sample according to your fin drawing.

• Finished Fin Quality Audit: Dimensional inspection of fin height, pitch, width, and cut length tolerances, complete with a video report sent for customer sign-off prior to shipment.

FAQ

Q: How does the fin forming machine prevent burrs that interfere with CAB brazing?

A: Cutting burrs can puncture thin-wall radiator tubes or create voids during Controlled Atmosphere Brazing (CAB). Our lines feature micro-adjustable servo guillotine or rotary cut-off units with tool-steel blades hardened to HRC 60+. Precision blade clearance ensures a clean shearing action rather than tearing, eliminating burrs on the fin edges.

Q: Does the forming lubricant affect downstream core assembly and furnace brazing?

A: High residual oil can cause surface staining or flux contamination in the brazing furnace. Our machine integrates a programmable micro-dosing electrostatic lubricant sprayer. It applies a minimal, uniform oil mist required for forming without leaving excess free oil on the finished fin.

Q: Can one single machine produce fins for both radiators and charge air coolers (CAC)?

A: Yes. If the fin heights and strip widths fall within the machine's primary design envelope, you can produce both radiator and CAC fins on the same base machine by swapping out the modular cassette tooling within 30 to 45 minutes.

Q: How do you handle thin aluminum foil (0.05–0.08 mm) prone to wrinkling or tearing?

A: Thin foil forming requires precise strip tension management. Our machine employs a closed-loop servo uncoiler with dancer roll feedback to maintain constant web tension, combined with mirror-polished, high-precision roller profiles that distribute forming force evenly to eliminate tearing or micro-fracturing.

Q: What is the expected service life of the forming tooling and cassette die?

A: Under standard operating conditions with recommended lubrication and maintenance, our SKD11 / D2 vacuum heat-treated forming rollers typically achieve a continuous production life of 15,000,000 to 30,000,000 meters before requiring re-grinding or re-polishing.

We are one of the most professional radiator fin forming machine manufacturers in China, also support customized service with low price. We warmly welcome you to buy discount radiator fin forming machine for sale here from our factory. If you have any enquiry about quotation, please feel free to email us.

Heat Exchanger Fin Forming Machine, Condenser Fin Forming Machine, Durable Fin Forming Machine