Fengdong

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FBQ Box-Type Multi-Purpose Furnace

Equipment Overview: The FBQ box-type multi-purpose furnace is a high-capacity, heavy-duty, multi-purpose furnace. Its unique rear-drive mechanism and heat-resistant steel furnace bottom rollers ensure reliable operation under heavy loads. Main Applications: Carburizing, carbon-nitrogen co-diffusion, quenching in protective atmospheres, normalizing, annealing, and secondary heating quenching. Equipment Features: ◆ The front chamber door, partition door, and lifting mechanism are driven by pneumatic cylinders. ◆ Equipped with a large-capacity quenching oil tank and an independent dual-sided stirring system, with variable-frequency adjustable stirring speed. ◆ Rapid automatic nitrogen charging to prevent negative pressure in the front chamber. ◆ The quenching lifting mechanism adopts a double-layer structure; while the upper-layer workpieces are slowly cooled at the top of the cold chamber, the lower layer can simultaneously load and unload materials. (Optional) ◆ The top of the cold chamber is equipped with a stirring fan, allowing precise control of the cooling rate according to process requirements. (Optional) ◆ Workpiece movement within the furnace utilizes a rear-drive system positioned at the rear of the hot chamber; there are no drive mechanisms inside the furnace itself, resulting in a simple structure and low failure rate. ◆ The furnace bottom is supported by high-grade heat-resistant steel rollers, making it particularly suitable for heavy-load applications. ◆ The furnace chamber features a round, muffle-free design. ◆ Atmosphere types and heating methods are both optional. ◆ Equipped with Ethernet connectivity; programming, historical data recording, and data acquisition can all be performed via network. (Optional) ◆ Computer-based online case-depth control system. (Optional) Technical Parameters

Detailed information

 FBQ Box-Type Multi-Purpose Furnace
Introduction to the FBQ Box-Type Multi-Purpose Furnace Product
   Device Overview: The FBQ box-type multi-purpose furnace is a high-capacity, heavy-duty, multi-purpose furnace. Its unique rear-drive mechanism and heat-resistant steel furnace bottom rollers ensure reliable operation under heavy loads.
   Main uses: Carburizing, carbon-nitrogen co-diffusion, quenching under protective atmosphere, normalizing, annealing, and double-heat quenching.
Device features:
◆The antechamber door, partition door, and elevator are driven by cylinder mechanisms.
◆ Equipped with a large-capacity quenching oil tank and an independent dual-sided stirring system, with variable-frequency adjustable stirring speed.
◆ Rapid automatic nitrogen filling to prevent negative pressure in the front chamber.
◆The quenching lift features a double-layer structure: while the workpieces on the upper layer are slowly cooled at the top of the cooling chamber, the lower layer can simultaneously load and unload materials. (Optional)
◆The top of the cold chamber is equipped with a stirring fan, which can control the cooling rate of the workpiece according to process requirements. (Optional)
◆ The workpiece is moved within the furnace using a rear-drive mechanism, positioned at the rear of the hot chamber. The furnace itself has no drive mechanism, resulting in a simple structure and low failure rate.
◆The furnace bottom support features high-grade heat-resistant steel rollers, making it particularly suitable for heavy-duty applications.
◆The furnace chamber features a circular, muffle-free structure.
◆ Atmosphere type is optional; heating method is optional.
◆ Ethernet configuration, programming, brief history, and data logging can be performed over the network (optional).
◆ Computer-based online case-hardening control system (optional).
Technical Parameters
 
 Technical Parameters

Other Business

Radiation tube

Radiant tubes—used in our company’s heating furnaces—come in three types of inner heating cores: Cr20Ni80, rare-earth alloy, and FeCrAl. As for the outer casing manufacturing processes, we offer three options: rolled-plate welding, seamless tubing, and centrifugal casting, ensuring that we can meet a wide range of customer needs. Depending on the material, radiant tubes are covered by a warranty period of 1 to 2 years.

Oxygen probe

Oxygen probes: Our company uses Oriental oxygen probes, an imported brand from Japan. These probes offer precise measurement of carbon potential inside furnaces, are easy to install, and boast a long service life. Available models include: OS-650, OS-750, OS-850, and OS-950. The oxygen probe warranty period is 1 year.

Thermocouple

Thermocouples—Our company uses thermocouples that offer accurate temperature measurement, simple installation, and convenient maintenance and upkeep. We provide thermocouples for various applications, including furnace temperature-control thermocouples, overtemperature-monitoring thermocouples, and thermocouples for general temperature measurement. (Available in both domestic brands and U.S.-imported brands.) Thermocouples come with a one-year warranty.

Material tray and tooling

We offer two types of material trays and tooling: heavy-duty reinforced trays and lightweight, energy-efficient trays. For customers with high production volumes and frequent furnace loading, we recommend the heavy-duty reinforced trays, which have a relatively longer service life. For customers with lower production volumes and lighter products, we suggest the lightweight, energy-efficient trays, which feature a faster furnace heating rate, lower energy consumption, and a more affordable price. The manufacturing processes for these trays and tooling include precision casting and silica sol investment casting, both of which come with a one-year warranty. We also provide customized services for material trays and tooling.

Stirring fan

Agitator fans—Our company uses integrally cast agitator fans, available in two material options: Cr25Ni20 and Cr25Ni35. The warranty period for agitator fans made of Cr25Ni20 is 1 year, while the warranty period for those made of Cr25Ni35 is 2 years.

Cylinder seal ring

Pneumatic Components: Our company uses pneumatic components such as solenoid valves and cylinders from two brands—CKD and SMC—and offers a one-year warranty period.

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