Twin-Shaft Concrete Mixer

Twin-Shaft Concrete Mixer

High-Efficiency Mixing for Demanding Construction Projects



The JS series twin-shaft concrete mixer, manufactured by Jianxin Machinery, is a top-tier model for both domestic and international markets.It boasts high automation, superior mixing quality, high efficiency, low energy consumption, low noise, and user-friendly operation. The JS forced concrete mixer is equally advanced, featuring durable liners and blades designed for long service life and easy maintenance. It is ideal for mixing plastic, dry hard, and light aggregate concrete, as well as various mortars. With its motorized discharge method, it seamlessly integrates with tipper trucks, dumper trucks, or mixer trucks.

Product details

JS concrete mixer Mixing system
The mixing system consists of pulleys, reducers, open gears, motors, mixer drums, and oil supply units, as well as other mechanisms. A special sealing device is provided at the junction of the stirring shaft and the two ends of the mixing drum. To ensure the quality of the seal, a special oil supply is provided on the end of the mixer drum.

JS concrete mixer Feeding system
The brake motor drives the reel to rotate through the reducer, and the wire rope climbs up along the loading rack rail, pulling the hopper through the pulley. When it rises to a certain height, a pair of rollers above the bucket door at the bottom of the hopper enters the guide rail of the loading rack, and the bucket door automatically opens. The material enters the mixing drum through the feed nozzle.

JS concrete mixer Discharging system
The discharging system consists of a discharge door, a gas pump, a reversing valve, a gas distribution valve, a cylinder, an electric and other mechanisms. The discharge door is installed at the bottom of the mixer and is pneumatically discharged through the cylinder. The discharge gate seal can be ensured by adjusting the position of the seal.

JS concrete mixer Electrical System
The electric control circuit is equipped with an air switch, a fuse, and a thermal relay, and has the functions of short circuit protection and overload protection. All control buttons and air switch handles and indicators are placed on the distribution box door with a door lock. A protective cover is placed outside the button. The electrical control power supply is a 380V three-phase four-wire power supply with a voltage tolerance of ±10%. Use is prohibited outside this range. If the user has their own power generation, the capacity shall be ≧100KVa. The surface temperature rise of the motor ≧ 60 ℃, the live part ≧0.5MΩ to the shell edge.

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Core Advantages

⚡ Ultra-Homogeneous Mixing

Dual-shaft forced mixing action achieves 95%+ uniformity in 30-60 seconds.

Ideal for stiff concrete, RCC, and fiber-reinforced mixes.

🛡️ Built for 24/7 Durability

Hardened Cr-Mo alloy shafts + replaceable liner plates (50,000+ cycles lifespan).

Heavy-duty gearbox with IP65 protection (dust/water resistance).

🔧 Low Maintenance Design

Centralized grease lubrication system (accessible ports for quick servicing).

Hydraulic discharge door (optional pneumatic) – zero leakage.

🌍 Global Standards Compliance

CE, GOST, ISO 9001 certified | Voltage: 380V/440V/50Hz or 60Hz customizable.

Technical Specifications for Twin-Shaft Concrete Mixer 

Model capacityFeed CapacityDischarge CapacityShape size(Length, Width and Height)mm
JS500 25m3/h800L500L4461×3050×4180
JS75035m3/h1200L750L5025×3100

×5680
JS100060m3/h1600L1000L4320×2200

×3300
JS1500A90m3/h2400L1500L4720×2200

×3000
JS2000120m3/h3200L2000L3500×2400×2125

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Contact us today to learn more about our concrete solutions and how we can support your construction needs.

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