The furnace dimensions are 3.5m wide, 3.5m high, and 7.0m deep. It is capable of heat treatment for large workpieces!
We would like to introduce a case where a control system was implemented, allowing the measurement temperature throughout the furnace to remain within ±15°C. A request was made for the installation of a large heat treatment furnace at a newly expanded factory. However, due to its size, there was a high possibility that the temperature distribution would not fall within the tolerance range when the set temperature was reached, presenting a significant challenge in achieving uniform heating. Therefore, after introducing the furnace we manufactured in 2021, we implemented an impulse burn system that allows for individual setting of the HIGH-LOW times for each burner during the temperature distribution measurement in 2025. This has enabled us not only to achieve the set temperature of 625±15°C but also to maintain it below 625±10°C, receiving high praise from the installation site. We can also accommodate even higher temperatures. Features of the impulse burn system: By installing multiple high-speed burners and adjusting the output time of the burners at 100% output, we can stir the interior of the furnace and achieve uniformity in the ambient temperature. [Case Overview (Partial)] ■ Target Industry: Metal Processing Industry ■ Process: Heat Treatment Process ■ Machinery Classification: Heat Treatment Furnace ■ Installation Site Information: Metal Processing (Cutting) *For more details, please download the PDF or feel free to contact us.
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Narita Manufacturing Co., Ltd. belongs to the Narita Group and has been engaged in the design and manufacturing of firing furnaces for the production of lighting tubes and various processing equipment associated with them in recent years. In addition to these manufacturing facilities, we have started to venture into new fields. Fortunately, our experience in manufacturing CCFL production equipment for LCD televisions has allowed us to cultivate sophisticated mechanical design capabilities alongside the combustion technology provided by Osaka Gas, which has guided us for many years. We believe we have also been able to further refine our control technology, which has received praise from our customers. Moving forward, we will continue to strive for further improvement to meet the needs of our customers and to maintain their patronage.