PREP Plasma Rotating Electrode Process Equipment

PREP equipment is mainly used to produce nickel-based superalloy powder, titanium alloy powder, stainless steel powder and refractory metal powder, etc. The powder produced is of high quality and is widely used in electron beam selective melting, laser melting deposition, spray coating, hot isostatic pressing, etc.

Application Area






New Energy


Technical characteristics

High-Quality Powder

PREP equipment ensures top-notch powder quality, characterized by a smooth, clean surface with minimal hollow or satellite particles and low gas inclusions, enhancing material integrity and performance.

Simple Process Parameter Control

With PREP equipment, controlling process parameters is straightforward. Its user-friendly interface allows for easy operation and automated production, simplifying workflows and reducing manual intervention.

Versatile Applicability

Highly adaptable, PREP equipment is well-suited for producing a diverse range of materials including titanium, nickel, cobalt, refractory metals, and alloys, meeting various manufacturing needs with ease.

Mature Process Technology

Built on mature process technology, PREP equipment offers reliability and efficiency. Its proven track record in research and batch production instills confidence in meeting industry demands efficiently.

Suitable Materials

Pulverizing Characteristics

High Sphericity

PREP equipment consistently delivers powder with high sphericity, ensuring uniform particle shape and size distribution, which is crucial for various manufacturing processes.

Particle Size Range

With a versatile particle size range typically from 30 to 300 micrometers, PREP equipment offers flexibility to customize according to specific application requirements, accommodating various material needs.

Specific Example - Ti64 G5 Powder

For instance, in the case of Ti64 G5 powder, PREP equipment achieves a D50 particle size distribution ranging from 75 to 200 micrometers. This targeted size range is ideal for additive manufacturing and other applications where precise powder characteristics are essential.

Technical Parameter

Induction Electrode Diameter 50~80mm
Induction Electrode Length ≤700mm
Bar Capacity 60
Rotaional Speed 0~33000r/min
Overall Power 200KW
Working Vacuum Degree 6.67×10-3Pa
Ultimate Vacuum Degree 6.67×10-1Pa
Pressure Rise Rate ≤2Pa/h
Sphericity ≥95%
Size(L×W×H) 8m×7m×7.5m

FAQ of PREP equipment

What is PREP equipment?

EIGA equipment is a specialized system used for the production of alloy metal powders through a process that involves electrode induction melting of the metal followed by gas atomization to form fine powder particles.

PREP equipment operates by melting metal electrodes using a plasma arc, followed by atomization to produce fine powder particles. The rotating electrode design ensures uniform particle distribution and consistent quality.

PREP equipment is capable of processing a wide range of materials, including metals such as titanium, nickel, cobalt, and refractory metals, as well as their alloys, meeting various industrial needs.

Some advantages of PREP equipment include high sphericity of powder particles, precise control over particle size distribution, customization options for specific applications, and efficient production processes.

Yes, PREP equipment is designed for both research and industrial-scale production, offering high throughput and scalability to meet the demands of various manufacturing applications.

Yes, PREP equipment allows for precise control over particle size distributions, with the ability to customize parameters according to specific requirements, ensuring consistent quality and performance.

PREP equipment typically includes quality control measures such as particle size analysis, morphology examination, and chemical composition analysis to ensure the production of high-quality powders meeting industry standards.

Many suppliers of PREP equipment offer comprehensive training programs for operators, covering equipment operation, maintenance procedures, safety protocols, and troubleshooting techniques to ensure safe and efficient operation.