Rubber mixing mill
The XK Series Rubber Mixing Mill is designed for plasticating, mixing, and sheeting of rubber compounds.
Keywords:
Category:
Rubber Internal Mixer Series
1.Product Overview
The XK Series Rubber Mixing Mill is designed for plasticating, mixing, and sheeting of rubber compounds. The equipment is widely used in tire, rubber flooring, recycled rubber, and general rubber processing industries.
The machines are designed and manufactured in compliance with Chinese National Safety Standard GB20055-2006 and relevant international practices.
2.Model Comparison (Key Specifications)
Model | XK-450 | XK-550B | XK-560 | XK-610 |
Roll Diameter (mm) | 450 | 550 | 560 / 510 | 610 |
Roll Length (mm) | 1200 | 1100 | 1530 | 1930 |
Front Roll Speed (m/min) | 24.26 | 28 | 27.72 | 29.2 |
Speed Ratio | 01:01.3 | 01:01.2 | 01:01.2 | 01:01.1 |
Motor Power | 55 kW | 110 kW (PM VFD) | 110 kW | 160 kW |
Batch Capacity | 35–50 kg | ~60 kg | 30–50 kg | 120 kg |
Roll Structure | Hollow smooth rolls | Drilled + hollow | Hollow | Hollow |
Bearing Type | Self-aligning rolling bearing | Double-row self-aligning | Double-row self-aligning | Self-aligning |
Lubrication | Manual grease | Grease | Auto grease | Electric grease pump |
Nip Adjustment | Manual | Electric | Manual | Electric |
Max Nip (mm) | 15 | 15 | 15 | 15 |
3.Main Components & Scope of Supply
Each machine includes:
● Mixing rolls (2 sets)
● Machine frame and base
● Nip adjustment device
● Stock guide (side plates)
● Stock pan (tray)
● Gear reducer
● Main motor
● Emergency stop system
● Lubrication system
● Electrical control system (control cabinet & operation panel)
Optional / model-dependent:
● Cutting knife device (XK-610)
● PM motor + inverter system (XK-550B)
4. Structural Description
4.1 Rolls
● Type: Hollow smooth rolls (some models: front drilled roll)
● Material: Alloy chilled cast iron (LTG-H)
● Surface hardness: 68–75 HSD
● Cooling: Rotary joints with water circulation
● Features: High wear resistance, excellent thermal performance
4.2 Frame & Base
● Frame: Cast iron or welded steel structure (annealed)
Base:
● Integral (XK-450)
● Split welded base (XK-550B, XK-610)
● Stress relieved to prevent deformation
4.3 Transmission System
● AC motor / Permanent magnet variable frequency motor
Gear reducer:
● Hardened gear surface
● Oil bath lubrication
● Single or dual output shaft
Couplings:
● Elastic coupling (motor ↔ gearbox)
● Pin or universal coupling (gearbox ↔ rolls)
4.4 Nip Adjustment System
● Manual or electric adjustment
● Adjustment range: 0.5–15 mm
● Electric models equipped with digital display
● Mechanical anti-collision protection between rolls
4.5 Bearings & Lubrication
● Bearings: Self-aligning rolling bearings
Lubrication:
● Manual grease pump / automatic / electric grease system
● Designed for long service life and stable operation
4.6 Safety System
● Emergency stop buttons (front & rear)
● Safety spacer (shear pin protection)
Brake system:
● Roll stops within 1/4 rotation (XK-550B ≤1/6 rotation)
● Optional rope-type emergency stop
● Reverse rotation after stop (selected models)
4.7 Stock Guide & Tray
● Split or fixed steel stock guides
● Nylon-lined for wear resistance (XK-550B, XK-610)
● Stainless steel or welded tray structure
4.8 Electrical System
● Power supply: 380V / 50Hz / 3-phase
● Control cabinet with ventilation or industrial air conditioner
Major components:
● PLC: Siemens (XK-550B)
● Inverter: INVT
● Low-voltage components: Schneider / CHINT
● Clear wiring identification and layout compliant with standards
5. Technical Features
● High-strength chilled cast iron rolls
● Stable transmission with hardened gear reducer
● Accurate nip adjustment system
● Reliable safety protection system
● Low noise operation (≤85 dB for gearbox)
● Efficient cooling and lubrication system
● Designed for continuous industrial operation
6. Installation & Commissioning
Installation:
● Buyer responsible (or optional supplier service)
● Supplier provides layout & foundation drawings
Commissioning:
● Performed by supplier engineers
● Includes no-load and load testing
7. Acceptance Criteria
● Stable operation without abnormal vibration or noise
● Bearing temperature rise within normal limits
● No leakage in lubrication system
● Electrical system operates normally
● 72-hour continuous trouble-free operation
8. Documentation
Provided with equipment:
● Operation manual
● Maintenance manual
● Electrical drawings
● Foundation drawings
● Spare parts list
● Certificate of conformity
9. Spare Parts
Standard spare parts include:
● Elastic rings for couplings
● Safety shear pins
10. Warranty & Service
● Warranty period: 12 months after acceptance
● Free repair/replacement for quality issues
● Lifetime technical support available
● Training provided during commissioning
11. Delivery & Painting
● Delivery time: approx. 150 days
Standard color:
● Main body: RAL7035
● Moving parts: RAL2004 (orange)
● Safety areas: Yellow/Black stripes
12. Optional Customization
● Drive type (left/right)
● Automation level
● PLC brands
● Safety configuration
● Cooling system upgrade
Consult now
Need help? We’re here to help!
Phone
+8617753353359
Contact email
shl.rubber@hotmail.com
Contact Address
Huangdao District, Qingdao, China
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What rubber machines do you manufacture?
We manufacture a wide range of rubber processing machines including internal mixers, rubber mixing mills, rubber extruders, vulcanizing presses, and rubber recycling equipment.
What industries use your rubber machines?
Our machines are widely used in:
Tire manufacturing
Automotive rubber parts
Industrial rubber products
Rubber recycling plants
Can you customize machines according to our requirements?
Yes. We can design and manufacture customized rubber machines based on your production capacity, product specifications, and factory layout.
What is the delivery time?
Normally the delivery time is 90 days, depending on the machine type and order quantity.
What is the warranty period?
We provide 12 months warranty after installation or 18 months after shipment.
Do you provide installation and training?
Yes. Our engineers can provide:
On-site installation
Commissioning
Operator training
What payment terms do you accept?
Common payment terms:
T/T (Telegraphic Transfer)
L/C (Letter of Credit)
Typical terms:
30% deposit
70% before shipment
Do you provide spare parts?
Yes. We provide complete spare parts and long-term technical support for all machines.
Can we visit your factory?
Yes, you are welcome to visit our factory anytime. We can also arrange online factory tours.
How can we get a quotation?
Please send us the following information:
Rubber product type
Production capacity
Machine requirements
Factory layout (if available)
Application fields
Our products are widely used in rubber processing industries such as:Tire manufacturing、Rubber products manufacturing、Rubber recycling and reclaimed rubber production
Automotive Rubber Parts Industry
Waste Tire Recycling Industry
Wire and Cable Industry
Tyre Manufacturing Industry
Automotive Rubber Parts Industry
Waste Tire Recycling Industry
Wire and Cable Industry
Tyre Manufacturing Industry
Smart Factory
With total assets of over RMB 100 million, the company has strong technical capabilities, advanced manufacturing equipment, and complete inspection systems
Visiting client
Sincerely welcomes customers and partners from all over the world to visit our factory and establish long-term cooperation
Packaging and shipping
The equipment has been sold to more than 30 provinces across China and exported to many countries and regions in Asia, Africa, Europe, and the Americas, earning a strong reputation among domestic and international customers.
Consult now
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Other products
Our product range covers more than 100 specifications and models, mainly including:
Internal Mixer Series、Open Mixing Mill Series、Rubber Extruder and Strainer Series、Rubber Calendering Equipment、Plate Vulcanizing Press Series、Tire & Tube Vulcanizing Machines、Radial Tire Production Equipment、Rubber Recycling & Reclaimed Rubber Production Lines、Rubber Cutter and Auxiliary Equipment
Rubber processing machinery manufacturer
Customer satisfaction is always our ultimate goal. We are dedicated to providing high-quality rubber machinery, competitive solutions, and professional services to help customers improve productivity and achieve long-term success.
Contact now
Need help? We’re here to help!
Phone
+8617753353359
Contact email
shl.rubber@hotmail.com
Contact Address
Huangdao District, Qingdao, China
If you have any questions about our products or need assistance, please feel free to contact us.
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