quick Specifications
Item | Specification |
|---|
Product Name | Titanium Alloy Rotor for Pulp Screen Machine |
Product Type | Precision Screen Rotor |
Material Standard | ASME SB-381 / ASTM B381 Titanium Alloy Forging |
Material Grade | Gr.2, Gr.5 (Ti-6Al-4V), Gr.12 or Customized |
Manufacturing Process | Titanium Forging + CNC Machining + Dynamic Balancing |
Outside Diameter | Customized |
Rotor Type | Foil Rotor / Screen Rotor / Pressure Screen Rotor |
Surface Finish | Precision Machining, Polishing, Pickling, Passivation |
Heat Treatment | According to Material Grade |
OEM / ODM | Available |
Inspection | UT, PMI, Dynamic Balance, CMM Inspection |
Applications | Pulp Screening, Paper Mills, Recycled Fiber Processing |
What Is a Titanium Alloy Screen Rotor?
A titanium alloy screen rotor is a precision rotating component installed inside pressure screens used in pulp and paper production. During operation, the rotor generates controlled pressure pulses that keep the screen basket clean, improve fiber flow, and maintain stable screening efficiency.
Compared with stainless steel rotors, titanium alloy rotors offer significantly better corrosion resistance, lower weight, and higher specific strength. These characteristics make titanium particularly suitable for pulp processing systems that operate in chemically aggressive environments containing bleaching agents, chlorides, or recycled fiber contaminants. Titanium is widely used in pulp and paper equipment because of its excellent corrosion resistance and long service life in demanding process environments.
Why Choose ASME SB-381 Titanium Forgings?
ASME SB-381 specifies the requirements for titanium and titanium alloy forgings used in demanding industrial applications.
Key Benefits
Excellent corrosion resistance
High strength-to-weight ratio
Outstanding fatigue resistance
Long service life
Excellent resistance to chemical attack
Reduced rotating mass
High dimensional stability
Reliable performance in continuous operation
Using forged titanium instead of cast material also improves grain flow and structural integrity, which is particularly valuable for rotating machinery.
Manufacturing Process
Every titanium rotor is manufactured under strict quality control.
Engineering Review
↓
Titanium Forging (ASME SB-381)
↓
Ultrasonic Inspection
↓
Stress Relief (If Required)
↓
Large CNC Turning
↓
5-Axis CNC Machining
↓
Foil Profile Machining
↓
Dynamic Balancing
↓
Surface Finishing
↓
CMM Inspection
↓
PMI Material Verification
↓
Final Inspection
↓
Packaging
Special attention is given to foil geometry, concentricity, balance, and surface finish because these features directly influence screening efficiency and vibration levels.
Technical Specifications
Typical manufacturing capabilities include:
Material: Titanium Grade 2, Grade 5, Grade 12
Standard: ASME SB-381 / ASTM B381
Rotor Diameter: Customized
Rotor Length: Customized
Dynamic Balance Grade: According to Customer Requirements
Concentricity: According to Drawing
Surface Roughness: Customized
Machining Accuracy: According to Drawing
OEM Manufacturing: Supported
Material Options
Material selection depends on process chemistry, corrosion conditions, operating speed, and mechanical load.
Available materials include:
Titanium Grade 2
Titanium Grade 5 (Ti-6Al-4V)
Titanium Grade 12
Duplex Stainless Steel (Optional)
Super Stainless Steel (Optional)
Titanium Grade 2 is often selected for excellent corrosion resistance, while Grade 5 provides higher mechanical strength for demanding rotating applications.
Surface Finish Options
Proper surface treatment improves corrosion resistance and operational reliability.
Available finishes include:
Smooth rotor surfaces help reduce fiber accumulation and improve stock flow through the screening zone.
Typical Applications
Titanium alloy screen rotors are widely used in pulp and paper production systems.
Applications include:
Modern pressure screen rotors are designed to improve screening efficiency while reducing energy consumption and preventing screen plugging.
Titanium Rotor vs Stainless Steel Rotor
Titanium Alloy Rotor | Stainless Steel Rotor |
Excellent corrosion resistance | Good corrosion resistance |
Lower weight | Higher weight |
Higher strength-to-weight ratio | Lower specific strength |
Better resistance to chloride attack | More susceptible in aggressive environments |
Longer service life | Shorter service life in corrosive media |
Higher initial cost | Lower initial cost |
For pulp screening systems exposed to corrosive process media or continuous operation, titanium alloy rotors often provide lower lifetime ownership costs through improved durability and reduced maintenance.
Quality Inspection
Every titanium rotor undergoes comprehensive inspection before shipment.
Inspection includes:
Material Certification
PMI (Positive Material Identification)
Ultrasonic Testing (UT)
Chemical Composition Analysis
CMM Dimensional Inspection
Dynamic Balance Test
Concentricity Measurement
Surface Quality Inspection
Visual Inspection
Packaging Inspection
Inspection reports can be provided according to customer requirements.
Frequently Asked Questions
What is a titanium alloy screen rotor?
A titanium alloy screen rotor is a rotating component used in pressure screening equipment to generate pressure pulses, improve fiber flow, and keep screen baskets clean during pulp processing.
Why use titanium instead of stainless steel?
Titanium offers superior corrosion resistance, lower weight, excellent fatigue performance, and a longer service life in chemically aggressive pulp and paper environments.
What is ASME SB-381?
ASME SB-381 (equivalent to ASTM B381) is the material specification for titanium and titanium alloy forgings used in high-performance industrial applications.
Which titanium grades are available?
We manufacture rotors using Titanium Grade 2, Grade 5 (Ti-6Al-4V), Grade 12, and other grades based on customer requirements.
Yes. We provide complete OEM manufacturing based on customer drawings, 3D CAD models, or reverse-engineered samples.
What inspections are provided?
We offer PMI verification, ultrasonic testing, CMM dimensional inspection, dynamic balancing, chemical analysis, and full material traceability.
Request a Quote
Looking for a reliable manufacturer of ASME SB-381 titanium alloy rotors for pulp screening equipment?
MetalKeen provides complete engineering support from titanium forging and precision CNC machining to dynamic balancing, quality inspection, and worldwide delivery. Whether you require replacement rotors or fully customized designs, our engineering team can manufacture components according to your drawings and process requirements.
Send us your drawings, rotor specifications, or project requirements today to receive a fast quotation and professional engineering support.
