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SICOMA MAO Twin Shaft Mixers Advantages

March 25, 2025

With its quadruple sealing, wear-resistant, intelligent monitoring system and high-efficiency energy-saving design, the SICOMA MAO twin shaft mixers have become a high-end benchmark in the field of concrete mixing.

The following is a detailed explanation of the core features of the SICOMA MAO series horizontal twin shaft concrete mixer:

1. Sealing and lubrication system

– Multiple shaft end sealing protection:

The use of quadruple shaft end sealing technology, including steel shaft head protection ring, air pressure protection pad, special molybdenum alloy floating sealing ring and self-compensating O-ring, effectively prevents sand from entering and slurry leakage, and the sealing life can reach 6-10 years.

The unique wind pressure sealing protection device forms a protective pad by injecting compressed air into the shaft end, isolating the mud from the shaft head and extending the service life.

– Intelligent lubrication system:

Equipped with a dedicated electric lubricating oil pump, four independent pump cores are used to directly supply oil to the four shaft heads, without the need for a diverter valve, ensuring uniform lubrication and easy maintenance.

The working status of the reducer, discharge pump and lubricating oil pump can be monitored in real time, and potential faults can be warned in advance.


2. Structural design and durability

– High-precision cylinder and mixing system:

The cylinder is manufactured by a gantry-type pentahedron machining center and welded with imported welding robots to ensure industry-leading concentricity accuracy and reduce wear on the mixing shaft and reduction gearbox.

The mixing arm adopts a streamlined design with an elliptical structure on the top to reduce resistance and increase strength. The surface is cast with a wear-resistant alloy layer, and the service life is 3-5 times that of an ordinary mixing arm.

– Optimization of wear-resistant parts:

Scraper and liner: High wear-resistant alloy materials (such as composite chromium carbide coating) are used, and the wear resistance is increased by 2-3 times. After 1.2 million cubic meters of concrete is produced, there is still no need to replace it.

Reduction gearbox: International standard design, enhanced impact resistance, long maintenance cycle, low operating noise.


3. High-efficiency energy saving and intelligent control

– Improved mixing efficiency:

Compared with the traditional straight column mixing arm, the mixing time of SICOMA twin shaft concrete mixer is reduced by 33% (45 seconds → 30 seconds), and the power consumption is reduced by 19.2% (59.4kW → 48kW), which significantly improves energy efficiency.

The multi-tube multi-channel water spraying system realizes uniform water spraying to ensure the quality of concrete.

– Intelligent monitoring and expansion functions:

Optional weighing protection system and microwave moisture measurement system can be used to monitor the concrete ratio and humidity in real time.

Support IoT integration, remote monitoring of equipment operation status, and adapt to the management needs of modern mixing stations.


4. Application scenarios and capacity specifications

Applicable to commercial concrete, prefabricated components, hydraulic engineering and other scenarios, especially in large-scale projects .

Various capacity specifications, covering 1.5m³, 2.0m³, 3.0m³, 4.0m³, 4.5m³, etc., adapt to the needs of concrete batching plants of different sizes.


5. After-sales service

Low maintenance cost

Long life of wearing parts (such as liner life is 3-5 times that of ordinary products), reducing the frequency of downtime replacement, and reducing the comprehensive maintenance cost by more than 30%.

Provide customized accessories and technical support to meet high-intensity production needs.

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