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Rubber Machine

Your Professional Rubber Machine Supplier

KUNYA Machinery has been continuously expanding its expertise in the mechanical design and manufacturing of dispersion kneaders, extrusion units, and pelletizing systems. Our machinery and production lines are widely utilized in various industries, including high-filler masterbatches, black and white masterbatches, color masterbatches, cable and wire compounds, general plastics, plastic modification, rubber granules, engineering plastics, and elastomers.

Professional Team
Our core team members possess over 15 years of technical experience in the aforementioned fields. They ensure optimal machinery performance through targeted design and assembly tailored to meet specific customer requirements.

Professional Solutions
With extensive industry experience and personalized one-on-one services, we assist clients in selecting suitable products and addressing technical inquiries effectively.

Efficient Transportation
We collaborate with reputable sea freight, air freight, and logistics companies to provide efficient and reliable transportation solutions for our customers.

Global Sales Market
Our market presence spans across Africa, the Americas, East Asia, Eastern Europe, the Middle East, Southeast Asia, and beyond.

Parameter

Model	KRF-150	KRF-200	KRF-250
Main motor	30kW	55-75kW	90kw
Rotor diameter	150mm	200mm	250mm
Blade	Made of H13, solid blade
Hydraulic station	2.2kw	2.2kw	3kw
Self-discharge belt conveyor	2.2kw	2.2kw	3kw
Screen hole size	Dia.3-7mm
Dimensions	3.351.652.95m	3.251.852.95m	2.72.053.45m

Types of Rubber Machine

The rubber machines produced by our company mainly include the following types

Rubber Extruder Granulator Machine

Rubber Extruder Granulator Machine

A rubber extruder granulator machine is a specialized piece of equipment that combines the functions of both a rubber extruder and a granulator. It processes rubber materials by first extruding them into a desired shape and then granulating or crushing them into smaller, usable pieces.

Rubber Sheets Machine

Rubber Sheets Machine

Rubber sheets machine is an efficient production equipment designed specifically for the rubber products industry. It adopts cold or hot feeding technology, adapts to various machine heads, and can continuously produce semi-finished products such as tire treads, sealing strips, rubber hoses, and sheets.

Rubber Filter Machine

Rubber Filter Machine

Rubber filter machine typically refers to a type of filtration device where rubber is used as the filtration medium or in the construction of the filter itself. This can include machines that utilize rubber belts, rubber-lined filter chambers, or crumb rubber for water filtration.

Features of Rubber Machine

01/

Multi Functional Integrated Design
Integrating crushing, extrusion, and granulation, reducing equipment investment and energy consumption by more than 30%, supporting efficient recycling of waste plastics/rubber.

02/

Intelligence And Automation
PLC touch screen control, dynamic monitoring of extrusion pressure, temperature, and speed. Single board dual station screen changing device eliminates downtime and increases filtration area by 50%.

03/

Low Temperature Processing Technology
The entire low-temperature process (<100℃) prevents the melting and recrystallization of additives, maintains material properties, and is particularly suitable for thermosensitive rubber masterbatch.

04/

Flexible Adaptability
Modular design, replaceable screws and molds (aperture 3-8mm), supporting customized needs (such as laboratory research and development, large-scale production).

05/

Environmental Protection And Safety
Wet granulation reduces dust by 90%, and the isolation agent system prevents particle adhesion; Equipped with exhaust gas catalytic combustion equipment that meets environmental standards.

06/

Efficient And Energy-Saving
Cold feeding design + screw core water cooling technology to reduce energy consumption. Variable frequency motor drive reduces energy consumption by 20% compared to traditional equipment.

Precautions for Rubber Machine Operation

Regular Lubrication
The rollers and bearings in a rubber machine need regular lubrication. This lubrication reduces friction, prevents wear, and keeps the machine running smoothly. Use the lubricant recommended by the manufacturer. Stick to the suggested schedule for lubrication.

Routine Inspections
Conduct routine inspections of all mechanical parts, including rollers, gears, and bearings. Check for signs of wear or damage such as cracks, corrosion, or misalignment. Early detection of potential issues can prevent costly repairs and downtime.

Cleaning Protocols
Keep the machine clean from rubber dust and particles that can accumulate during the calendering process. Regular cleaning helps in maintaining the quality of the rubber sheets and extends the life of the rollers.

Temperature Monitoring
Temperature control is critical in calendering. Regularly check and calibrate the machine’s temperature settings. Ensure that the rollers are heated evenly to avoid any quality issues with the rubber sheets.

Pressure Adjustments
Check and adjust the pressure settings often. This ensures the rubber sheets stay the right thickness and quality. Inconsistent pressure can lead to defects in the final products.

Training for Operators
Ensure that all machine operators are properly trained in both the operation and the maintenance of the calendar machine. Operators with knowledge can better spot early problems. They can make correct fixes.

Scheduled Downtime for Servicing
Plan for regular downtime. Use it to do thorough maintenance and servicing of the machine. This includes checking the hydraulic systems, and electrical components, and replacing any worn-out parts.

Documentation and Records
Keep detailed records of all maintenance activities, repairs, and replacements. This documentation can help in troubleshooting future issues and planning preventive maintenance schedules.

Ordering Process

Contact with our sales to get more information about machines.

Our sales prepare proposal with machine details.

Clients confirm machine details and request sales contract with stamp & signature.

Clients arrange first payment according to contract. Then we start machine manufacturing.

We inform clients when machines ready. Clients are welcomed to visit or assign someone to join machine testing.

We arrange machines loading and delivery after receiving balance payment.

Packaging and Shipping

Packaging	Wooden box
Shipping	We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

Our Service

Before-Sale

● Introduce products in detail
● Recommend suitable solution

During Manufacturing

● Provide layout and engineering conditions
● Offer machine plan and related documents
● Inform the project processing status
● Insure the product designed in accordance with technical document

After-Sale

● Provide installation, commissioning and training
● Offer spare parts
● Provide necessary technical support and update information

FAQ

Q: What is a rubber extruder granulator machine?

A: A rubber extruder granulator machine is a device that combines extrusion and granulation functions for rubber materials. It first forces rubber, which can be raw, recycled, or compounded with additives, through a die to form specific shapes like strands or sheets. Then, it cuts or breaks these extruded shapes into small, uniform granules. These granules serve as raw materials for various rubber products such as tires, rubber mats, and rubber - coated items.

Q: How does rubber extruder granulator machine work?

A: Rubber material is fed into the extruder. The rotating screw(s) transport the rubber, applying shearing forces to break agglomerates and mix additives. Heating elements raise the rubber's temperature to its melting or softening point. Once properly melted and mixed, the rubber is forced through the die, taking on its shape.

Q: How do you choose the right rubber extruder granulator machine for your needs?

A: Consider the amount of rubber granules you need to produce. Larger - scale production may require a more powerful machine with higher throughput capabilities, such as a die - face pelletizing machine with a large - capacity extruder.

Q: Can rubber extruder granulator machine handle a wide range of rubber materials?

A: Yes, rubber extruder granulator machine can process natural rubber, various synthetic rubbers (EPDM, SBR, NBR), recycled rubber, and rubber compounds with fillers and additives. However, recycled rubber may need pre - treatment, and machine settings may need adjustment depending on the rubber type.

Q: How to avoid the burning of rubber material in the rubber filter machine?

A: The equipment adopts a split cooling system, and the rubber material is fully temperature controlled throughout the process (preheating temperature is recommended to be 80-120℃). The plunger type model can also achieve zero temperature rise filtration.

Q: How do you clean rubber extruder granulator machine?

A: Let the machine cool and disconnect power. Remove screws if possible and use a cleaning compound or solvent to clean the screws and barrel. Check heating and cooling components for damage and clean them. In strand pelletizers, clean the cutting chamber, knives, and cooling system. In die - face pelletizers, clean the die face and cutting mechanism. Also, clean the screen or sieve used for granule separation.

As one of the most professional rubber machine manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy rubber machine for sale here from our factory. Contact us for customized service.

rubber extruders, rubber cutting machine, rubber stamp machine

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