Centrifuge Rotor Chuck

Name: Centrifuge Rotor Chuck | High-Speed Holding Adapter – Frigate
Price: 249.00 USD
Availability: InStock

Centrifuge Rotor Chuck must pflegen micron-level concentricity and axial alignment to prevent imbalance during high-speed operation. Tapered interface geometries, fine-pitch threading, and hardened locking components enable exact rotor seating and repeatable torque application. This ensures dynamic balance consistency across cycles and eliminates variability in load distribution.

Overall Diameter

100–500 mm (±0.05 mm), Larger rotors up to 1000 mm (±0.1 mm)

Height/Length

50–300 mm (±0.1 mm), Custom lengths up to 500 mm (±0.2 mm)

Material Specification

7075-T6 Aluminum (AMS-QQ-A-250/12), 17-4PH SS (AMS 5643), or Titanium (Grade 5, AMS 4928)

Mounting Interface

Tapered (1 -10 Morse Taper), Threaded (M20–M40), or Direct-Drive Flange (ISO 6664)

Gripping Mechanism

3-Jaw (Self-Centering, ±0.01 mm), Collet (ER-40/ER-50), or Hydraulic Chuck (±0.005 mm grip)

Product Description

Centrifuge Rotor Chuck operates under extreme centrifugal forces, often exceeding 100,000 x g. Design incorporates symmetrical mass distribution, minimal runout tolerances (<2 µm), and low dynamic imbalance to prevent shaft resonance, reduce noise amplitude, and ensure stable high-RPM functionality across long duty cycles.

Balancing Requirements

G1.0 (ISO 1940-1), ≤0.5 g·cm residual unbalance (for >10,000 RPM)

Runout Tolerance (TIR)

≤0.02 mm (Static), ≤0.05 mm (Dynamic at max RPM)

Surface Finish

Contact Surfaces – Ra ≤0.4 µm, Non-Critical – Ra ≤1.6 µm, Taper – Ra ≤0.2 µm (for secure seating)

Concentricity

≤0.01 mm TIR (relative to drive axis), Jaw Runout – ≤0.005 mm

Certification Standard

ISO 9001, ASTM B209/B265 (Al/Ti), IEC 61010 (Lab Safety), DIN 12350 (Centrifuge Standards)

Technical Advantages

Centrifuge Rotor Chuck experiences significant torsional stress during ramp-up and braking phases. Use of high-yield-strength materials such as PH stainless steels or Ti-alloys, combined with optimized spline or key coupling geometry, ensures efficient torque transfer without micro-slippage or fretting fatigue at the rotor interface.

Centrifuge Rotor Chuck faces variable thermal gradients caused by prolonged operation and chamber heat buildup. Material selection is based on CTE-matching to adjacent spindle and rotor components, minimizing distortion and preserving locking precision across temperature fluctuations from -20°C to +150°C.

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Industry Applications

Pharmaceutical Batch Separation

Used in high-speed centrifuges for separating biological fluids, ensuring rotor alignment and containment during GMP-compliant drug manufacturing processes.

Clinical Diagnostics Automation

Supports rotor stability in automated centrifuges handling blood, serum, and plasma for high-throughput clinical sample analysis and processing.

Biotechnology Cell Harvesting

Enables precise rotor engagement in cell separation centrifuges, maintaining structural integrity under extended high-speed bioprocessing cycles.

Nuclear Fuel Reprocessing

Applied in uranium enrichment and isotope separation centrifuges where extreme rotational speeds require zero runout and secure rotor locking.

Aerospace Material Testing

Used in spin test rigs to simulate flight-induced centrifugal loads on turbine components, requiring exact concentricity and fatigue resistance.

Food and Beverage Clarification

Installed in decanter centrifuges for protein, yeast, and fat separation processes demanding hygienic design and secure rotor engagement.

Fatigue Life and Microstructural Integrity

Centrifuge Rotor Chuck is exposed to millions of stress cycles during service. Components are manufactured with fine-grain microstructures, low inclusion counts, and controlled residual stresses via vacuum heat treatment or HIP processing. This approach extends fatigue life and resists crack initiation under cyclic loads.

Centrifuge Rotor Chuck must remain chemically inert in aggressive environments involving acids, solvents, or biological matter. Corrosion resistance is achieved through electro-polishing, passivation, and optional PVD coatings on all exposed surfaces, meeting ASTM A967 or ISO 16048 standards for stainless and reactive alloys.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure rotor chuck fatigue resistance under repeated high-RPM cycles?

Fregatte uses high-grade precipitation-hardened stainless steel with low inclusion content to improve fatigue life under cyclic stress. Each Centrifuge Rotor Chuck is heat-treated to achieve uniform grain structure and eliminate residual stress. Fatigue simulations are conducted using finite element methods to verify performance. This ensures long-term reliability in high-speed centrifugation environments.

What quality checks does Frigate perform to maintain concentricity in rotor chuck assemblies?

Frigate uses CNC machining with real-time probing to achieve sub-2-micron concentricity in Centrifuge Rotor Chuck interfaces. Optical runout testing and laser alignment are used post-machining. Each chuck is assembled under cleanroom protocols to avoid particle-induced misalignment. This guarantees stable rotor balance during operation.

Can Frigate customize rotor chucks for hybrid rotor systems with non-standard taper profiles?

Frigate offers full customization of Centrifuge Rotor Chuck geometry based on rotor-specific interface data. CAD-based reverse engineering is used when mating profiles are not standard. Each custom chuck undergoes fitment trials using dummy rotors before production release. This approach ensures precise fit with minimal field adjustments.

How does Frigate handle thermal mismatch between chuck, rotor, and spindle during high-speed runs?

Frigate selects chuck materials with matched thermal expansion coefficients relative to rotor and spindle alloys. Thermal simulation models validate material behavior up to 150°C. The Centrifuge Rotor Chuck design also includes compensation grooves to absorb micro-expansion without loosening. This prevents deformation or loss of clamping force during operation.

Does Frigate provide chucks with integrated sensor capability for monitoring performance?

Frigate offers Centrifuge Rotor Chucks with embedded MEMS-based sensors for torque, vibration, and cycle count monitoring. Sensors are housed in sealed enclosures with EMI shielding. Data is output via digital interface for real-time system feedback or predictive maintenance. These smart chucks support integration into automated and GMP environments.

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