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Heller 1936 MK5 is a 10‑zone premium nitrogen‑type reflow oven, the new‑generation flagship model upgraded from classic 1809 MK III. Featuring longer heating zone, excellent nitrogen sealing and ultra‑low void rate, it is widely applied in automotive electronics, medical devices, servers and new‑energy high‑precision production lines.
Core Specifications
Zones: 10 upper + 10 lower independent PID control zones
Conveyor: Single‑lane (dual‑lane optional)
Effective Heating Length: Approx. 3650 mm
Temperature Accuracy: ±0.5℃, furnace temperature difference ＜±1.2℃
Nitrogen System: Built‑in nitrogen chamber, oxygen level stable below 500 ppm
Transport: Chain & mesh conveyor, PCB thickness 0.4–6.5 mm
Cooling System: Multi‑stage water + air cooling
Power Supply: 380V 3‑Phase, ~105kW
Process: Lead‑free & nitrogen‑protected soldering for high‑density boards and flip‑chips
Key Features
Upgraded MK5 platform with optimized hot‑air circulation and low nitrogen consumption
Long heating zone ensures stable thermal profile for complex BGA soldering
Low‑oxygen environment reduces oxidation and voids, complying with IATF16949 standards
Robust US‑built structure for stable 24/7 mass production
Full‑process data monitoring compatible with MES for smart‑factory integration
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