Oscillate and Rotate
Kneader
Continuous Kneaders
The industry-leading Continuous Kneader machine for gentle, precise, and efficient mixing of temperature-sensitive, shear-sensitive, and highly filled compounds.
- Gentle Material Processing
- 3-Flight Technology
- Excellent Self-Cleaning
- Modular & Flexible
- Adjustable Shear Rate
- Minimum Wear
- High Filler Loading
- High Turndown Ratios
Our Continuous Kneaders Technology
What is a Continuous Kneader?
A Continuous Kneader is a specialized compounding machine that applies a unique operating principle: the modular screw simultaneously oscillates and rotates. This distinctive motion, combined with stationary kneading teeth (pins) mounted in the barrel, produces exceptional dispersive and distributive mixing with minimal thermal and mechanical stress on the processed material.
The Continuous Kneader is the preferred technology for temperature-sensitive, shear-sensitive, or highly filled compounds — wherever broad processing windows, consistent quality, and extremely low wear are non-negotiable.
1. Rotation
The screw rotates continuously to convey and transport material forward through the processing zones.
2. Oscillation
Simultaneously, the screw performs an axial back-and-forth motion, creating ongoing material re-orientation.
3. Kneading Pin Interaction
Fixed kneading teeth in the barrel sweep every surface point of the screw clean, ensuring narrow residence time distributions and excellent self-cleaning.
Continuous Kneaders Series — 7 Machine Models
Key Features of Continuous Kneaders
| Feature | Description |
|---|---|
| Gentle Material Processing | The unique oscillation-rotation principle delivers superior mixing with minimal heat generation, making it ideal for heat-sensitive and shear-sensitive compounds that would degrade in high-intensity twin-screw extruders. |
| Excellent Self-Cleaning | The interaction between the moving screw and stationary kneading teeth ensures every surface point is continuously cleaned, producing narrow residence time distributions and preventing contamination between batches. |
| 3-Flight Technology | Proprietary 3-flight screw geometry delivers the broadest processing windows in the industry, allowing a wide range of formulations and throughput rates to be run on the same machine with consistent, uniform results. |
| Modular Setup | The complete processing section is fully modular. Screw elements, barrel sections, and discharge units can be configured and reconfigured to match the exact requirements of your application, formulation, and production volume. |
| Adjustable Shear Rate Level | Operators can actively adjust the shear rate level during production, providing precise control over compound properties across different formulations — a unique capability not available on fixed-geometry competitors. |
| Minimum Wear | The low-pressure processing unit design significantly reduces mechanical stress on screw and barrel surfaces, extending equipment lifetime and minimizing maintenance costs — especially critical for abrasive, highly filled compounds. |
| Highest Filler Loading Capacity | Engineered to incorporate the highest possible amounts of fillers (ATH, carbon black, silica) without compromising mixing quality — the machine of choice for HFFR and similar highly filled formulations. |
| High Turndown Ratios | Maintains uniform compound properties across a wide range of throughput rates, giving production managers the flexibility to run at partial capacity without sacrificing product consistency or compound quality. |
| Easy Process Section Access | Smart engineering design enables straightforward access to all process sections for cleaning, maintenance, inspection, and element replacement — reducing downtime and simplifying service procedures. |
Technical Specifications
| Model | Screw ⌀ (mm) | Process Length (L/D) | Max. Drive (kW) | Discharge ⌀ (mm) | Discharge L/D | Discharge Drive (kW) |
|---|---|---|---|---|---|---|
| CK 45 | 45 | 8 – 24 | 20 | 55 | 6 | 6 |
| CK 100 | 100 | 8 – 24 | 250 | 160 | 6 | 45 |
| CK 120 | 120 | 8 – 24 | 250 | 160 | 6 | 45 |
| CK 150 | 150 | 8 – 24 | 500 | 200 | 6 | 90 |
| CK 200 | 200 | 8 – 24 | 1,200 | 250 | 6 | 120 |
| CK 225 | 225 | 8 – 24 | 1,500 | 300 | 6 | 180 |
| CK 240 | 240 | 8 – 24 | 2,000 | 300 | 6 | 180 |
| Model | HFFR (kg/h) | Semicon (kg/h) | XLPE Silane (kg/h) | XLPE Peroxide (kg/h) | PVC Compounding (kg/h) |
|---|---|---|---|---|---|
| CK 45 | 25 – 50 | 30 – 60 | 30 – 60 | 40 – 70 | 60 – 100 |
| CK 100 | 300 – 600 | 350 – 700 | 500 – 700 | 600 – 800 | 700 – 1,200 |
| CK 120 | 450 – 900 | 550 – 1,100 | 700 – 1,100 | 900 – 1,200 | 1,200 – 1,800 |
| CK 150 | 750 – 1,500 | 900 – 1,750 | 1,200 – 1,800 | 1,500 – 1,600 | 2,000 – 3,500 |
| CK 200 | 1,400 – 2,600 | 1,600 – 3,000 | 2,300 – 3,200 | 2,500 – 3,200 | 4,000 – 5,600 |
| CK 225 | 1,600 – 3,000 | 1,800 – 3,500 | 2,600 – 3,600 | – | 5,000 – 8,000 |
| CK 240 | 1,800 – 3,500 | 2,200 – 4,000 | 3,000 – 4,400 | – | 6,000 – 10,000 |
| Specific Energy | 0.08 – 0.14 kWh/kg | 0.15 – 0.20 kWh/kg | 0.18 – 0.25 kWh/kg | 0.12 – 0.16 kWh/kg | 0.05 – 0.08 kWh/kg |
| Model | Calender Jacketing (kg/h) | Thermoset (kg/h) | Elastomer (kg/h) | Black MB (kg/h) | Engineering Plastics (kg/h) |
|---|---|---|---|---|---|
| CK 45 | 60 – 100 | 10 – 40 | 15 – 50 | 40 – 70 | 30 – 60 |
| CK 100 | 700 – 1,200 | 125 – 500 | 190 – 640 | 500 – 750 | 390 – 775 |
| CK 120 | 1,200 – 1,800 | 200 – 800 | 300 – 1,000 | 750 – 1,200 | 600 – 1,200 |
| CK 150 | 2,000 – 3,500 | 350 – 1,400 | 550 – 1,800 | 1,200 – 1,900 | 1,100 – 2,200 |
| CK 200 | 4,000 – 5,600 | 750 – 3,000 | 1,100 – 3,600 | 2,300 – 3,500 | 2,200 – 4,400 |
| CK 225 | 5,000 – 8,000 | 900 – 4,000 | 1,500 – 4,900 | 2,600 – 4,000 | 3,000 – 5,900 |
| CK 240 | 6,000 – 10,000 | 1,150 – 4,600 | 1,750 – 5,700 | 3,000 – 5,000 | 3,500 – 7,000 |
| Specific Energy | 0.05 – 0.08 kWh/kg | 0.12 – 0.22 kWh/kg | 0.20 – 0.30 kWh/kg | 0.15 – 0.25 kWh/kg | 0.15 – 0.25 kWh/kg |
Industries We Serve
Cable & Wire
Power cables, building wires, automotive cables, medium & high-voltage cable compounds, HFFR, XLPE, semicon
Pharmaceutical & Healthcare
Medical grade polymer and PVC compound processing, clean-room compatible configurations available
Construction & Flooring
PVC flooring compounds, vinyl tiles, technical profiles, calender-fed sheet production
Paint & Coatings
Masterbatch production, highly filled pigment compounds, colour masterbatch, additive systems
Automotive & E-Mobility
Cable insulation compounds, sheathing, under-bonnet polymers, e-mobility cable compounds
Animal Feed & Agriculture
Specialty thermoset and elastomer compounding for agriculture and technical rubber applications
Chemical Manufacturing
Elastomers, thermoset compounds, engineering plastics, highly filled specialty formulations
Defence & Electronics
High-performance HFFR compounds, engineering plastics, specialty cable materials for critical applications
Generating more value at every level and building long lasting relationship with customers
Years of Experience
Completed Projects
Brand Collaboration
Worldwide Reach
Frequently Asked Questions About Continuous Kneaders
1. What is a Continuous Kneader and how does it work?
2. Which materials can be processed in a Continuous Kneader machine?
3. How long does a special Continuous Kneader screw last?
Due to the low-pressure processing unit design of Continuous Kneaders, mechanical stress on screw and barrel surfaces is significantly reduced compared to conventional extruders. This results in substantially longer screw and barrel lifetimes, especially when processing abrasive, highly filled compounds. The exact service life depends on the compound type, filler loading, and operating conditions, but X-Compound’s design philosophy of minimum wear is a core differentiator. As an authorised partner of X-Compound Continuous Kneaders, Skills Engine Projects also provides full refurbishment services and spare parts support from Vadodara, Gujarat, India when replacement is eventually needed.
4. What is the throughput capacity of a Continuous Kneader?
5. What after-sales support and spare parts availability does Skills Engine Projects offer?
As an authorised partner of X-Compound Continuous Kneaders, Skills Engine Projects provides comprehensive after-sales support for all Continuous Kneader installations: a full range of spare parts available from our facility in Vadodara, Gujarat, India; on-site maintenance by experienced field engineers dispatched on short notice; full equipment refurbishment including wear part replacement and damaged component repair; software and electrical control system upgrades; tailored preventive and predictive maintenance programs; and dedicated support coordination with X-Compound’s global network for customers requiring the fastest response times.