2043 MK7(4 Cooling) Reflow Oven
ISO-Certified Industry 4.0 Solution
The ISO-certified Heller MK7 reflow oven is a pioneering system featuring groundbreaking designs. It incorporates essential requirements for lower Delta T, reduced nitrogen consumption, and extended maintenance within a new low-height package, enhancing visibility across the production floor. The MK7 offers high customizability with nitrogen chamber, air, and vacuum options.
Key Highlights of the Heller MK7:
New MK7 Reflow Oven for High-Throughput SMT and Semiconductor Applications
The MK7 reflow oven revolutionizes SMT and semiconductor production with innovative design and advanced engineering.
It integrates all key customer requests — including lower Delta T, reduced nitrogen usage, and extended preventive maintenance intervals — into a compact low-height system that ensures clear visibility across the production floor.
Highest Yield and Efficiency!
✔ Lowest Delta T on the board
✔ Minimal nitrogen and power consumption
✔ Maintenance-free design
✔ VOID-free reflow process with vacuum option
✔ Industry 4.0 compatible system
✔ Integrated Cpk software – free of charge!
The 2043 MK7 Reflow Oven – Ultra High-Volume SMT Production System
The 2043 MK7 reflow oven is an ultra-high-volume system equipped with 13 heating zones and belt speeds up to 1.88 m/min, designed for large-scale SMT manufacturing. It ensures the lowest Delta T, optimized nitrogen and power usage, and advanced flux management options for consistent soldering quality.
The 12” wide heater modules guarantee profile compatibility with other SMT reflow systems.
✔ Built-in Thermal Monitoring
✔ Nitrogen ready < 100 ppm
✔ Energy Management System
✔ Low-maintenance design
✔ 12” wide heater modules
The low-height top shell provides easier access for operators. All exterior panels feature dual insulation, reducing reflow soldering energy loss by 10–15%.
The integrated low-temperature catalyst system decomposes flux into harmless CO₂ and H₂O without producing any harmful byproducts. It requires no additional power or cooling, reducing operational costs. The catalyst also lowers oxygen concentration, which decreases nitrogen usage while maintaining target PPM levels. As a result, the oven remains cleaner for longer, extends PM intervals, and increases productivity.
| Basic Data Features | MK 2043 (4C) |
|---|---|
| Length (mm) | 7.224 |
| Width (mm) | 1.520 |
| Height (mm) | 1.440 |
| Weight (kg)** | 4180 |
| Features | MK 2043 (4C) |
|---|---|
| Power Inputs | 208/240/380/400/415/440/480 VAC |
| Max Current Draw | 100 Amp @ 480v |
| Continuous Power kW | 13 - 20 |
| N2 Supply Pressure (bar) | 5 -7 |
| N2 Operating Pressure (bar) | 6 |
| Typical N2 Consumption*** | 500-700SCFH |
| Features | MK 2043 (4C) |
|---|---|
| Heating Zones* | 13 |
| Heating Length (mm)* | 4.494 |
| Cooling Zones* | 4 |
| Cooling Length (mm)* | 1.550 |
| Max.Temp (°C)* | 350 |
| Resolution of Temp. Controller(°C) | ±0.1 |
| Profile Change Time (min) | 5-15 |
| Features | MK 2043 (4C) |
|---|---|
| Single Lane / MeshBelt* | 50 - 560 , Option 50 - 610 |
| Dual Lane in Single Lane Mode* | 50 - 400, Option 50 - 450 |
| Dual Lane in Dual Lane Mode* | 50 - 225, Option 50 - 250 |
| Dual Lane Rails* | FMMM, FMMF, FMFM |
| PCB Direction | L to R, R to L |
| PCB Top/Bottom Clearance (mm)* | ✔ Meshbelt: Top 58 ✔ Chain: ±29 & ±35 |
| Transportation Height (mm)* | ✔ Mesh belt: 930+/-60 ✔ Chain: 960+/-60, ✔ Option 900+/-60 |
| Conveyor Speed (mm/min)* | 250 - 1,880 |
| Length of PCB Support Pins | 4.75 |
| Auto Lubrication System | S |
| Power Width Adjustment | S |
| KIC Profiling Software | S |
| ❕ |
|---|
| *Special option per requrest |
| **Oven weight varies upon actual configurations |
| ***Varies with PPM, PCB size and oven configuration |
| S: Standard |
| ! Please note specifications for air ovens and N2 ovens may vary, and specifications of the actual product may vary from those listed in this promotional brochure due to product improvements or technical updates. For the latest information, please contact us. |
This product video introduces MK7 Series by summarizing its general working principle and typical application scenarios.
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