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Customizable Sizes Rubber Mixing Mill with Automatic Grease Lubrication and Hydraulic Thruster Brakes

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Customizable Sizes Rubber Mixing Mill with Automatic Grease Lubrication and Hydraulic Thruster Brakes

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Brand Name : Beishun

Model Number : XK-450

Certification : ISO/CE

Place of Origin : Qingdao

MOQ : 1set

Price : Negotiable

Payment Terms : T/T,L/C

Supply Ability : 30sets

Delivery Time : 40day

Packaging Details : Wooden box/20GP/40GP

Use : Compounding Rubber And Plastics

Capacity : 30-40 kg per batch

Lubrication : Automatic grease

Roll Speed Ratio : 1:1 Or 1:1.17

Brakes : Hydraulic Thruster Brakes

Service Overseas : provision

Core Components : PLC, Bearing, Motor, bearbox

Gear Box : Hard-teeth speed reducer

Max Roll Space : 16 mm

Rollerbearings : NSK

Voltage : 380V or Custom

Applicable Industries : Rubber industry

Speed Ratio : 1:1.27

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Low Price Rubber Open Mill / Rubber Mixing Mill Customized To Different Sizes
Our rubber mixing mill with 450mm roller diameter is a versatile and reliable rubber processing equipment designed for various industrial applications.
Machine Structure & Components
Roller: Core component with 450mm diameter working surface, featuring hollow structure for heating/cooling operations and specially treated high-hardness, wear-resistant surface.
Frame: Welded steel structure providing high strength and rigidity to support and fix all components, ensuring overall stability.
Transmission System: Efficient power transfer from motor to rollers using gear transmission for smooth operation and high efficiency.
Gap Adjustment: Worm gear or hydraulic adjustment system for precise control of roller spacing to meet different processing requirements.
Safety Features: Emergency brake system with quick-stop functionality and emergency stop button for operator protection.
Temperature Control: Electric or steam heating with water cooling capability to maintain optimal processing temperatures.
Working Principle
The mixing mill operates with two counter-rotating rollers at different linear speeds. Rubber material is fed into the roller gap where it undergoes strong shearing and extrusion forces. This mechanical action breaks molecular chains and distributes components evenly, achieving thorough plasticization and mixing through repeated processing cycles.
Performance Specifications
  • Roller Linear Speed: Front roller 18-25m/min (varies by manufacturer)
  • Speed Ratio: Front to rear roller ratio approximately 1:1.27
  • Batch Capacity: 25-50kg per cycle (depending on rubber type and formula)
  • Motor Power: 45-75kW driving motor for optimal working capacity
Applications
  • Rubber plasticization to reduce molecular weight and increase processability
  • Rubber mixing for uniform dispersion of compounding agents (carbon black, sulfur, accelerators)
  • Hot refining to improve rubber fluidity and temperature uniformity
  • Rubber sheeting for producing consistent thickness rubber sheets
Advantages & Limitations
Key Benefits:
  • Simple operation with minimal training requirements
  • Strong applicability for various rubber types and formulas
  • Open structure allows direct process observation and adjustment
Considerations:
  • Manual material handling requires operator effort
  • Working environment may include dust and exhaust emissions
  • Production efficiency lower compared to internal mixers
Technical Parameters
Model XK-160 XK-250 XK-360 XK-400
Roller Diameter (mm) 160 250 360 400
Roller Length (mm) 320 620 900 1000
Front Roll Linear Speed (m/min) 9 15.1 16.25 18.65
Friction Ratio 1:1.35 1:1.1 1:1.25 1:1.27
Batch Capacity (kg) 1-2 10-15 20-25 18-35
Driving Motor (kW) 5.5 18.5 30 37
Machine Size (mm) 1380×860×1320 3400×1350×1500 3940×1780×1740 4200×1850×1870
Weight (kg) 1000 3500 5600 7600
Model XK-450 XK-550 XK-560
Roller Diameter (mm) 450 550 560/510
Roller Working Length (mm) 1200 1500 1500
Front Roll Linear Speed (m/min) 24.5 27.94 27.87
Friction Ratio 1:1.27 1:1.22 1:1.2
Motor (kW) 55 110 90
Batch Capacity (kg) 25-50 50-60 50-60
Machine Size (mm) 5200×2380×1770 5900×2680×2080 6500×2300×2000
Machine Weight (kg) 12000 27000 19500
Safety Operating Procedures
Pre-Startup Preparation:
  • Inspect all equipment components for normal condition
  • Verify electrical system functionality and instrument accuracy
  • Clear work area debris and ensure clean environment
  • Adjust roller spacing according to process requirements
  • Wear appropriate personal protective equipment
Startup Operation:
  • Ensure no personnel or obstacles near equipment before starting
  • Start main motor gradually and monitor for normal operation
  • Add rubber materials according to process specifications after stable operation
During Operation:
  • Maintain safe positioning - never place hands or body parts in roller gap
  • Add materials evenly and appropriately to avoid equipment overload
  • Continuously monitor rubber mixing and stop immediately if abnormalities occur
  • No maintenance or adjustments during equipment operation
  • Use emergency stop button immediately in case of emergencies
Shutdown Procedure:
  • Stop material addition after mixing completion
  • Discharge all rubber from rollers before stopping main motor
  • Shut down electrical system and clean equipment/workspace
  • Perform daily maintenance including lubrication and cleaning
Additional Safety Requirements:
  • Only trained personnel permitted to operate equipment
  • No unauthorized personnel near operating equipment
  • Regular equipment inspection and maintenance for optimal condition
  • Strict adherence to operating procedures and safety regulations
Product Images
Customizable Sizes Rubber Mixing Mill with Automatic Grease Lubrication and Hydraulic Thruster Brakes Customizable Sizes Rubber Mixing Mill with Automatic Grease Lubrication and Hydraulic Thruster Brakes Customizable Sizes Rubber Mixing Mill with Automatic Grease Lubrication and Hydraulic Thruster Brakes

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