Plasma Rotating Electrode Process SeriesHG-PREP

The HG-PREP syaem is deigned to produce tigh-peromance aupenalloy, tanium aloy, sainlss see and eractory metalpowdars. These powders axhibilt acellant cveral properties and ane widely used in advanced marufacturing applications such as lasercladding, themmal spraying, 3D printing, hot isostatic pressing and powder sintering.

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Product Description
Specification
Process Characteristics

Product Description

The HO-PREP syatem ia deaipred to produce high-pertormarce superaloy, tanium aloy, stainiess stee, and relractory metalpowders Thess powders ahiblt acelient cverall preperties and ane widaly used in adanced marulactuing applications such as lasercladding, themmal spraying, 30 printing, hot isostatic pressing, and powder sintering.

Specification

Equipment Models & Parameters

Parameter Type	PREP-3W	PREP-4W	PREP-6W
Electrode Bar Size (mm)	Φ(50–60)/L (400–700)	Φ(50–60)/L(400–700)	Φ(30)/L(<350)
Dimensions (m)	6.5×3.5×6.3	6.5×3.5×6.3	4.5×3.0×2.5
Plasma Gun Power (kW)	200	200	100
Total Power Supply (kW)	400	283	130
Rated Rotation Speed (rpm)	0–30,000	0–40,000	0–60,000
Atomization Chamber Diameter (mm)	2600	2800	1,400
Ultimate Vacuum (Pa)	/	6.67×10⁻¹–6.67×10⁻³	/

Compatible Materials & Performance Metrics

Metric Type	Ti6Al4V Titanium Alloy Powder 0–53μm	IN718 Superalloy Powder 0–53μm
Yield (%)	15–20	50–75
Oxygen Increase (ppm)	≤100
Sphericity (%)	≥95
Powder Yield (%)	80–85
Production Efficiency (kg/h)	15–18(PREP-3W); 30–35 (PREP-4W); 1–2(PREP-6W)

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＊The above data are obtained under HG-ATOMI operating conditions. The final equipment parameters are subject to the actually sold products.

Process Characteristics

Plasma Torch Melting

Highly concentrated thermal energy enables efficient melting of reactive and refractory metals and their alloys, including superalloys and titanium alloys
High Processing Precision

Enables precise control of the relative position between the plasma torch and the bar
electrode
Superior Powder Quality

Stable plasma heating ensures high sphericity, smooth particle surfaces, minimal satelliting, and low gas inclusion
Wide Material Compatibility

Suitable for producing titanium and its alloys, superalloys, cobalt-chro-mium alloys, and
refractory metal powders
Innovation

Breakthrough in ultra-high-speed electrode rotation: 40,000 RPM industrial dual-drive system developed
Independent non-transferred arc plasma system ensures the electrode operates without electrical contact
Smart

Integrated Operation
Real-time monitoring and traceable production data
Seamless

Continuous production capability with a capacity of loading up to 60 bars per charge
Supports inert gas recycling