XK-400 Two-Roll Rubber Mixing Mill | Industrial-Grade Open Mixing
Solutio
The XK-400 two-roll rubber mixing mill is a high-performance
industrial machine designed for precision compounding of rubber and
silicone materials. Engineered with chilled alloy cast iron rollers
and dual-shaft technology, it efficiently processes natural rubber,
NBR, SBR, food-grade silicone, and industrial silicone—seamlessly
integrating with vulcanizers to produce diverse rubber and silicone
products. Ideal for reclaimed rubber plants, footwear
manufacturers, cable industries, and silicone processors.
- Rubber Compounding: Tire treads, seals, gaskets, and molded parts
- Silicone Processing: Food-grade silicone products, industrial seals, and elastomers
- Recycling & Reprocessing: Reclaiming waste rubber into usable compounds
- Small-Batch & Large-Scale Production: From R&D labs to full-scale manufacturing lines
Premium Roller Performance
- Roller Material: Chilled alloy cast iron (HS 68-75 hardness), ground to a smooth
finish for uniform mixing
- Hollow Design: Steam/water circulation for precise temperature control (50-200℃,
±2℃ accuracy)
- Working Dimensions: 400mm roller diameter × 1000mm working length (XK-400 model)
Efficient Mixing Mechanism
- Counter-Rotating Rollers: Front roller (18m/min) and rear roller (14m/min) create 3:2 speed
ratio for optimal shearing
- Adjustable Roller Gap: 0.5-8mm (manual/electric control) for diverse material
thicknesses
- Throughput: 50-100kg/batch, suitable for 8-10 batches per hour
- Triple Safety Protection:
✅ Electrical overload auto-shutdown
✅ Mechanical safety fuse for roller protection
✅ Emergency brake lever (response time ≤0.5s) - Durable Construction:
- Q345B steel housing (impact resistance +40%)
- Gear hardness: 65-70 HRC (wear-resistant for 10,000+ hours)
- Low noise design (≤80dB) for operator comfort
| Parameter | Specification |
|---|
| Roller Diameter | 400mm |
| Working Length | 1000mm |
| Front Roller Speed | 18m/min (linear) |
| Speed Ratio | 3:2 (front/rear) |
| Motor Power | 30kW (380V/50Hz, three-phase) |
| Max. Roller Gap | 8mm |
| Batch Capacity | 80kg (approx.) |
| Dimensions | 2500×1200×1500mm (L×W×H) |
- Control Options: Manual operation or PLC automation (optional)
- Reducer Types: Helical gear or worm gear (choose per load requirement)
- Certifications: CE-compliant (EN ISO 12100), optional ISO 9001 documentation
- After-Sales Support: 1-year warranty, global spare parts network
- Multi-Material Versatility: Handles high-viscosity rubbers and sensitive silicones with equal
efficiency.
- Energy Efficiency: 12% lower power consumption than standard models (verified by SGS
report).
- Easy Maintenance: Modular design reduces downtime for roller replacement (2-hour
average maintenance).
Features
1.Roller Material:Chilled Alloy Cast Iron
2.Roller Hardness:68-75 HRC
3.Gear Material Hardness:65-70 HRC
4.Cooling System:Water Cooling
5.Control Mode:Manual or automatic optional
6.Compact Structure,Low noise.
7.Different types of reducer available
| Model | XK-230 | XK-250 | XK-300 | XK-360 | XK-400 | XK-450 | XK-560 | XK-550B | XK-660 |
Working Diameter of rolls (mm)
| 230 | 250 | 300 | 360 | 400 | 450 | 560/510 | 550 | 660 |
| Working Length of Rolls (mm) | 600 | 620 | 750 | 900 | 1000 | 1200 | 1530 | 1500 | 2130 |
| Front Roll Surface Speed (m/min) | 10.21 | 14.1 | 15.1 | 16.25 | 18.65 | 24.26 | 27.72 | 27.94 | 28.6 |
| Friction Ratio | 1:1.19 | 1:1.17 | 1:1.25 | 1:1.25 | 1:1.27 | 1:1.2 | 1:1.22 | 1:1.24 | 1:1.09 |
| Max. nip (mm) | 7 | 8 | 10 | 10 | 10 | 15 | 15 | 15 | 15 |
| Capacity per Batch(kg) | 6-10 | 8-15 | 15-20 | 20-25 | 18-35 | 25-50 | 35-50 | 50-60 | 165 |
| Motor Power (kw) | 15 | 18.5 | 22 | 30 | 37 | 55 | 90 | 110 | 245 |
| Dimensions (mm) | L | 2800 | 3400 | 3400 | 3780 | 4350 | 5200 | 5845 | 5870 | 7465 |
| W | 1200 | 1500 | 1500 | 1850 | 1850 | 2380 | 2284 | 2475 | 3662 |
| H | 1120 | 1500 | 1550 | 1750 | 1785 | 1840 | 1978 | 2045 | 2080 |
Packing and Shipping
Equipment painting completed before delivery, and then wrapped with
stretch film, avoid rubbing the paint off the surface, wooden
packaging can be customized, key parts, such as electronic control
box, will be wrapped by shockproof packaging materials, and then
packed in wooden cases.
About Us
Qingdao shun cheong rubber machinery manufacturing co.,ltd is a
chinese manufacturer with establishment in 2007, and have 10 years
experience in making various of rubber machines area, also pass the
ISO 9001:2008 , SGS, CE certificates too.
our factory major in rubber kneader/rubber mixing mill ; various of
plate vulcanizing press ; 2 roll/3 roll/4 roll rubber calender;
rubber batch off cooler; waste tire recycling line;reclaimed rubber
production line;conveyor belt production line;rubber seals
extruding &vulcanizing line etc...
Market: our machineries have exported to America, Mexico, ndia,
Vietnam, South Africa, Singapore, Malaysia, Indonisia, Australia,
Sri Lanka and many other countries and regions
Our Service
♦ Our engineers can design target machines for customers and send
them the drawing to confirm. We are always on the side of saving
your cost.
♦ In the process of production, we will take photos and send to
customers for their track the progress.
♦ Documents such as packing list, commercial invoice, and bill of
lading etc. will be sent after the delivery.
♦ We could supply free English foundation DWG, installation
drawing, user guide, maintenance manual and part drawing.
FAQ
1. What does your factory do regarding quality control?
We pay much more importance to quality control from the very
beginning to the end of production. Every machine will be fully
assembled and carefully tested before shipment.
2. What's the machine quality guarantee?
Quality guarantee time is one year.We choose world famous brand
components to keep our machine in perfect working condition.
3. Are you able to give installation and commissioning overseas?How
long time will it take?
Yes, we can supply overseas service and technical support but
customer needs to pay for the cost of the installation. Small
machine usually takes within 2~3 days. Big production line usually
takes about 30 days.
4. How can I trust you to deliver the right machine as I ordered?
We will absolutely deliver a good quality machine as we discussed
and confirmed in the order. The core of our company culture is
innovation,quality,integrity and efficiency. Also we have had many
good cooperation with world famous rubber production manufacturers.
If you come to our factory, we can show the user around us.
5. How can we go to your side?
We are located in Qingdao City, Shandong province, China. The name
of airport is Qingdao Jiaodong airport. We will pick up you at the
airport.
Contact Us
Alan
Qingdao Shun Cheong Rubber Machinery Manufacturing Co., Ltd.
Web: www.cn-rubbermachine.com
Add:No.1 Kangting Road, Huangdao District, Qingdao City, China
Email:sales-6@sfcjx.com
Tel: +86(0)-532-85185697
Fax: +86(0)-532-85182359
Tel: +86 176699158998
Whatsapp: +86 176699158998
