Da Jie Electricity Machinery Industrial Co., Ltd.

Electrical Middle Section Heater For Hot Metal Forming

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DJ-WVI3600 & DJ-WVI4800-SUPER SERIES

These machines apply the hydraulic system supplied by (Japan) and (Germany. Under the stable operating efficiency and spec-complied operating status, machine parts will hold a long operating lifetime. The concentric logic controller is provided by (Japan) and (Germany). The thermal sensors are supplied by (Japan) and (Germany), which provide high-accuracy temperature change data. The HF induction heating machines are under the MIT (Made in Taiwan) performance and quality guarantee. The parameters which are meaningful to the product quality, such as the heating current and others, could be controlled independently.
Phase AC is the most fundamental type of output solution. Current returns to zero every half cycle. This type of current solution creates a “no current flow” period and induces intermittent heating phenomenon. AC welding machines with Constant Current Controllers possess the functions of primary voltage compensation and primary/secondary constant current feedback control which automatically adjust power fluctuations.
Three Phase Rectified DC is with three-phase balanced input operating at 50 or 60Hz. It’s widely adapted before the emergence of Three Phase Inverter DC. The diodes on the transformers convert AC to DC.
Three Phase Inverter DC utilizes three-phase balanced input. Current wave is fully rectified to DC and switch to 1000Hz to produce AC supply to primary transformer. The current is rectified into DC for welding afterwards.
Three Phase Inverter DC solution has the following advantages:
1.It doesn't have blank period in the current wave form. Heat produced is continuous and efficient. The fast feedback control (roughly 0.1 millisecond) ensures stable welding quality and controls welding splash.
2.It doesn't have blank period in the current wave form. Heat produced is continuous and efficient. The fast feedback control (roughly 0.1 millisecond) ensures stable welding quality and controls welding splash.
3.High-frequency transformer makes wide-range welding possible. Traditional AC transformer may induce insufficient current disperse with poor welding quality
The operating interface is simple and brief, allow for customer design. The user-required production data/info in the interface is rich, which could display the fault point locations and is simple for maintenance. The interface could monitor the production process and record the related production data.
The machining process is:
Feeding by robot→heat the work piece→heat both ends by HF→output and transported to the next station by robot.

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