In the high-precision manufacturing sectors, components such as aerospace gears, medical implants, and specialized alloy molds must withstand extreme mechanical loads. Traditional heat treatments often introduce excessive thermal stress, which deforms critical dimensions.

To overcome these challenges, Jiangsu Juchuang Automation Technology Co., Ltd. offers the E-RPNS Bell-Type High-Frequency Pulsed Plasma Nitriding Furnace. Engineered for absolute uniformity, outstanding thermal control, and maximum cycle efficiency, the E-RPNS series is the ultimate vacuum surface hardening solution for high-value precision parts.

Core Technical Strengths of the E-RPNS Series

The E-RPNS series represents a major advancement in vacuum surface engineering, delivering five core technical advantages:

1. AI-Driven Intelligent Control

At the heart of the system is a high-performance controller powered by an advanced AI chip. The system automates the entire nitriding cycle with closed-loop parameter tuning. By adjusting current, voltage, temperature, and gas flows in real time, the control system ensures highly stable, reliable, and user-friendly operations.

2. High-Speed, High-Efficiency Nitriding

Thanks to an exceptionally high plasma ionization rate, the E-RPNS system accelerates nitrogen diffusion at the atomic level. Consequently, the active nitriding stage is shortened to just $1$ to $2$ hours (excluding the heating and cooling phases), which is several times faster than traditional gas nitriding processes.

3. Extra-Deep and High-Density Case Quality

The system forces active nitrogen atoms deep into the metallic matrix, achieving a uniform diffusion depth that easily exceeds $100\ \mu\text{m}$. This creates a highly dense surface compound layer completely free of porosity, pinholes, and micro-cracks, providing unmatched wear and fatigue resistance.

4. Advanced Multi-Process & Eco-Friendly Design

Operating cleanly in a sealed vacuum using harmless Nitrogen ($N_{2}$) and Hydrogen ($H_{2}$) gases, this green process poses zero risk of toxic emissions or hazardous liquid runoff. It fully supports standard ion nitriding, nitrocarburizing, and specialized post-oxidation cycles. Furthermore, we offer customized high-temperature models rated up to $900^{\circ}\text{C}$ to process titanium alloys, tantalum alloys, and other exotic metals, fully complying with aerospace standards such as AMS2750 and AMS2759.

Advanced Thermal Management & Heat Sources

Achieving a uniform metallurgical structure requires strict control over the thermal fields inside the vacuum chamber. The E-RPNS furnace integrates a highly sophisticated heating and insulation design:

• Composite Dual-Heat Source Mode: The system combines an active auxiliary wall heating system with high-energy ion bombardment. By utilizing both heat sources in harmony, the system achieves rapid, uniform heating across the entire load.

• Precise Temperature Compensation: The auxiliary heating elements maintain an extremely stable ambient thermal field, allowing the pulsed ion source to focus exclusively on generating high-activity nitrogen ions.

• All-Zone "Hot" Furnace Wall: By actively heating the entire inner vacuum wall to the target process temperature, the system eliminates cold spots. This maintains a highly precise temperature uniformity of $\pm 5^{\circ}\text{C}$ across the entire working zone.

• Superior Thermal Insulation: A fully wrapped multi-layer insulation structure surrounds the hot zone, significantly reducing heat radiation losses and lowering energy usage.

Flexible B2B Product Configurations

Every factory floor layout and batch size is unique. To maximize your capital equipment utilization, Juchuang offers the E-RPNS system in multiple physical configurations:

• M-Type (Single-Chamber System): Comprised of one vacuum bell chamber and one base, suitable for standard production lines with regular cycle times.

• S-Type (Alternate System): Features one movable vacuum bell chamber paired with two independent base seats. While one batch undergoes the nitriding cycle, operators can safely unload and reload parts on the second base, maximizing the heating bell's active run-time.

• T-Type (Double-Chamber System): Features two fully equipped vacuum chambers sharing a highly integrated system. This design consolidates the electric control cabinet, vacuum pumps, process gas lines, and chamber lifting mechanisms into a single, compact footprint. By alternating cycles, the double-chamber design drastically reduces idle times and increases daily workshop output.

Beyond standard bell-type designs, our engineering team can configure the system into pit-type (vertical) or horizontal layouts depending on your part geometries.

Technical Specifications & Product Matrix