Planetary mixer VK series

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Overview
JCT offers vertical high‑viscosity kneaders designed for processing ceramic matrix composites (CMCs), silicon carbide and resin precursors. The top‑mounted bearing removes metal contact with the product and prevents shaft‑seal leakage. The machines support high‑vacuum degassing, optional wear‑resistant coatings, precise temperature control and high‑torque planetary kneading. Models cover laboratory to large production capacities (VK series).

Product Details
Ceramic matrix composites (CMCs) consist of a ceramic matrix reinforced with fibers, whiskers, platelets or particles made of ceramics, carbon or refractory metals. In powder‑metallurgy routes for specialty ceramics, matrix powders are mixed with reinforcements and a binder, cold‑pressed or hot‑pressed and sintered to obtain the final composite. The VK vertical kneader is engineered to uniformly process ultra‑high viscosity compounds while minimizing contamination and material loss.

Key Features

• Top‑mounted bearing design: eliminates metal contamination and shaft‑seal leakage
• High‑torque planetary kneading for ultra‑high viscosity materials
• High‑vacuum degassing and sealing capability (typ. abs. pressure <1.5 kPa)
• Customizable wear‑resistant coatings on blades and contact surfaces
• Precise temperature control and clean discharge
• No requirement for high‑speed dispersion; planetary action avoids dead zones
• Range of models for R&D and production (useful volumes from ~12 L to ~3000 L)

Parameters — Ceramic Matrix Composites Vertical Kneader (examples)
Header: Model | Dimension H*L*W (mm) | Weight | Barrel Inner Size D*H (mm) | Full Volume (L) | Useful Volume (L) | Min Volume (L) | Power (kW) | Pericentric Blade Speed (rpm) | Telecentric Blade Speed (rpm) | Revolution Speed (rpm) | Clearance (mm) | Vacuum Abs Pressure (kPa)
VK-10 | 2600*1600*1400 | 2.5t | 300*240 | 16.9 | 12 | 2 | 5.5 | 0~25 | 0~50 | 0~6 | 3±0.5 | <1.5
VK-100 | 3200*2000*1600 | 6t | 600*480 | 135 | 100 | 15 | 22 | 0~25 | 0~50 | 0~6 | 4.5±0.5 | <1.5
VK-500 | 4200*2500*2000 | 12t | 900*800 | 500 | 350 | 60 | 37 | 0~22.5 | 0~45 | 0~6 | 5.5±0.5 | <1.5
VK-1000 | 5100*3000*2500 | 24t | 1200*1100 | 1000 | 600 | 120 | 45 | 0~22.5 | 0~45 | 0~6 | 6±1 | <1.5
VK-2000 | 6000*4200*3000 | 32t | 1400*1300 | 2000 | 1200 | 200 | 55 | 0~20 | 0~40 | 0~6 | 7±1 | <1.5
VK-3000 | 6500*4600*3400 | 35t | 1600*1500 | 3000 | 1800 | 300 | 75 | 0~20 | 0~40 | 0~5 | 8±1 | <1.5
VK-5000 | 7300*5000*3600 | 40t | 1900*1800 | 5000 | 3000 | 500 | 110 | 0~18 | 0~36 | 0~5 | 9±1 | <1.5

Advantages

• No reliance on high‑speed dispersion — suitable for ultra‑high viscosity kneading
• Planetary mixing eliminates dead zones and increases homogeneity
• Tight structural bonding in processed materials, yielding high strength and toughness with low thermal expansion
• High production efficiency across model range

Specifications

• Brand: JCT Machinery
• Model series: VK series (VK-10, VK-100, VK-500, VK-1000, VK-2000, VK-3000, VK-5000)
• Capacity range: full volumes ≈ 16.9 L to 5000 L; useful volumes ≈ 12 L to 3000 L depending on model
• Power range: ~5.5 kW (VK-10) to 110 kW (VK-5000)
• Pericentric and telecentric blade speed ranges adjustable by model
• Revolution speed range typically 0~5 to 0~6 rpm
• Adjustable blade clearance: approx. 3±0.5 mm to 9±1 mm
• High‑vacuum degassing capability: vacuum absolute pressure <1.5 kPa
• Design highlights: top‑mounted bearing, customizable wear coatings, precise temperature control, high‑torque planetary kneading